Bump version to 1.0.5.0

.gitea/workflows/test.yaml

@@ -23,6 +23,16 @@ jobs:
             echo "No files with BOM found"
             exit 0
           }
+      - name: Check for code smells
+        shell: powershell
+        run: |
+          git grep -IEn "\.(Single|First|Min|Max|Any)(OrDefault)?Async\([^)]|^using System.Data.Entity;"
+          if ( $lastexitcode -ne 1 ) {
+            exit 1
+          } else {
+            echo "No files with code smells found"
+            exit 0
+          }
       - name: Setup MSBuild
         uses: microsoft/setup-msbuild@v1.1
       - name: Setup NuGet

CHANGELOG.md

@@ -2,6 +2,72 @@
 Changelog
 =========
 
+[v1.0.5.0][v1.0.5.0] (2026-04-08) {#v1.0.5.0}
+---------------------------------------------
+
+### Neue Funktionen {#v1.0.5.0-features}
+
+* Flächenbindungen werden nun in _Verträgen_ zusammengefasst um bessere Übersicht und historische Nachvollziehbarkeit zu gewährleisten. ([#77][i77])
+
+### Sonstiges {#v1.0.5.0-misc}
+
+* Erhebliche Verbesserung der Leistung/Geschwindigkeit. ([#79][i79], e5e5e10cd7, 22fbb0772f)
+* Am Stammdatenblatt (`MemberDataSheet`) wird nun als Datum das Datum der letzten Bearbeitung angegeben. (e5e5e10cd7)
+* Abhängigkeiten aktualisiert. (07d93dd384, ce1a55df86, cc6e31a006)
+
+[v1.0.5.0]: https://git.necronda.net/winzer/elwig/releases/tag/v1.0.5.0
+[i77]: https://git.necronda.net/winzer/elwig/issues/77
+[i79]: https://git.necronda.net/winzer/elwig/issues/79
+
+
+
+
+[v1.0.4.1][v1.0.4.1] (2026-03-27) {#v1.0.4.1}
+---------------------------------------------
+
+### Behobene Fehler {#v1.0.4.1-bugfixes}
+
+* In der Anlieferungsbestätigung (`DeliveryConfirmation`) war in einer Spalte der Text nicht rechtsbündig. (0aefab5d63)
+* Die zweite Zeile des Absenders wurde nicht mehr abgedruckt und der Briefkopf (`Letterhead`) beinhaltete zu viele Informationen. (3c52156b7e)
+
+### Sonstiges {#v1.0.4.1-misc}
+
+* Evtl. wurden bei Änderungen in der Datenbank unnötigerweise einige Daten in Elwig doppelt angefordert. (cc018ded10)
+* Massenaktionen im Lieferungen-Fenster (`DeliveryAdminWindow`) sind nun nicht mehr während dem Bearbeiten oder Erstellen möglich. (b1075d1e69)
+* Das Datum auf Lieferscheinen (`DeliveryNote`) ist nun statt des heutigen, das Datum der letzten Änderung der Lieferung. (982a6616e1)
+* Sollte es im Rundschreiben-Fenster (`MailWindow`) zu einem Fehler während dem Bereinigen der Dokumenten kommen wird dieser ignoriert. (ae0a082421)
+* Abhängigkeiten aktualisiert. (ddfc86197d, cdb4b0a2bd)
+
+[v1.0.4.1]: https://git.necronda.net/winzer/elwig/releases/tag/v1.0.4.1
+
+
+
+
+[v1.0.4.0][v1.0.4.0] (2026-03-16) {#v1.0.4.0}
+---------------------------------------------
+
+### Neue Funktionen {#v1.0.4.0-features}
+
+* Im Lieferungen-Fenster (`DeliveryAdminWindow`) gibt es nun über die Menü-Leiste die Möglichkeit _Massenaktionen_ für mehrere Lieferungen durchzuführen (z.B. Attribut oder Zu-/Abschlag setzen). ([#78][i78])
+
+### Behobene Fehler {#v1.0.4.0-bugfixes}
+
+* Waagen mit Netzwerkschnittstelle versuchen die Verbindung nun wieder neu aufzubauen, sollte diese unterbrochen werden. ([#74][i74])
+
+### Sonstiges {#v1.0.4.0-misc}
+
+* Die bisher verwendeten Programm-Bibliotheken zum Erstellen von PDF-Dokumente wurden vollständig durch [iText](https://itextpdf.com/) ersetzt.
+  Das ermöglicht ein schnelleres, effizienteres, und stabileres Erstellen der PDF-Dokumente.
+  Außerdem konnte so die Größe der Installations-Datei von ~138 MB auf ~98 MB um ca. 30 % reduziert werden. (d8c967b2f2, 8054a024f4)
+* Abhängigkeiten aktualisiert. (af73226c90, f4fddd111f)
+
+[v1.0.4.0]: https://git.necronda.net/winzer/elwig/releases/tag/v1.0.4.0
+[i74]: https://git.necronda.net/winzer/elwig/issues/74
+[i78]: https://git.necronda.net/winzer/elwig/issues/78
+
+
+
+
 [v1.0.3.4][v1.0.3.4] (2026-02-19) {#v1.0.3.4}
 ---------------------------------------------
 

Elwig/App.xaml.cs

@@ -6,6 +6,7 @@ using Elwig.Helpers.Printing;
 using Elwig.Helpers.Weighing;
 using Elwig.Models.Entities;
 using Elwig.Windows;
+using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Data;
@@ -104,7 +105,9 @@ namespace Elwig {
 
             Dictionary<string, (string, string, int?, string?, string?, string?, string?, string?)> branches = [];
             using (var ctx = new AppDbContext()) {
-                branches = ctx.Branches.ToDictionary(b => b.Name.ToLower(), b => (b.ZwstId, b.Name, b.PostalDest?.AtPlz?.Plz, b.PostalDest?.AtPlz?.Ort.Name, b.Address, b.PhoneNr, b.FaxNr, b.MobileNr));
+                branches = ctx.FetchBranches()
+                    .ToDictionaryAsync(b => b.Name.ToLower(), b => (b.ZwstId, b.Name, b.PostalDest?.AtPlz?.Plz, b.PostalDest?.AtPlz?.Ort.Name, b.Address, b.PhoneNr, b.FaxNr, b.MobileNr))
+                    .GetAwaiter().GetResult();
                 try {
                     Client = new(ctx);
                 } catch (Exception e) {
@@ -218,7 +221,8 @@ namespace Elwig {
             MainDispatcher.Invoke(() => {
                 foreach (Window w in CurrentApp.Windows) {
                     if (w is not ContextWindow c) continue;
-                    MainDispatcher.BeginInvoke(c.HintContextChange);
+                    MainDispatcher.Invoke(c.HintContextChange);
+                    MainDispatcher.BeginInvoke(c.TryContextReload);
                 }
             });
         }

Elwig/Controls/IntegerUpDown.cs

@@ -41,13 +41,21 @@ namespace Elwig.Controls {
             incButton!.Click += IncrementButton_Click;
             decButton!.Click += DecrementButton_Click;
             base.OnApplyTemplate();
+            UpdateButtons();
+        }
+
+        private void UpdateButtons() {
+            var incButton = GetTemplateChild("IncrementButton") as RepeatButton;
+            var decButton = GetTemplateChild("DecrementButton") as RepeatButton;
+            incButton?.IsEnabled = Maximum == null || Value < Maximum;
+            decButton?.IsEnabled = Minimum == null || Value > Minimum;
         }
 
         private void IntegerUpDown_TextChanged(object sender, TextChangedEventArgs evt) {
             var idx = CaretIndex;
-            Text = new string(Text.Where(char.IsAsciiDigit).Take(4).ToArray());
+            Text = new string([.. Text.Where(char.IsAsciiDigit).Take(4)]);
             CaretIndex = idx;
-            evt.Handled = !(Value >= Minimum && Value <= Maximum);
+            evt.Handled = !((!Minimum.HasValue || Value >= Minimum) && (!Maximum.HasValue || Value <= Maximum));
             if (idx >= 4) {
                 if (Value < Minimum) {
                     Value = Minimum;
@@ -56,6 +64,7 @@ namespace Elwig.Controls {
                 }
                 CaretIndex = 4;
             }
+            UpdateButtons();
         }
 
         private void IntegerUpDown_LostFocus(object sender, RoutedEventArgs evt) {

Elwig/Dialogs/AreaComModifyDialog.xaml.cs

@@ -1,4 +1,5 @@
 using Elwig.Helpers;
+using System;
 using System.Windows;
 using System.Windows.Controls;
 
@@ -12,23 +13,27 @@ namespace Elwig.Dialogs {
         public string OrigYearTo { get; set; }
         public string Area { get; set; }
 
-        public AreaComModifyDialog(int? yearFrom, int? yearTo, int area, bool delete) {
+        public AreaComModifyDialog(int? yearFrom, int? yearTo, int area, bool delete, bool forceRetroactive = false) {
             Area = $"{area:N0}";
             OrigYearFrom = $"{yearFrom}";
             OrigYearTo = $"{yearTo}";
             InitializeComponent();
             Title = delete ? "Flächenbindung löschen" : "Flächenbindung bearbeiten";
             RetroactiveInput.Content = delete ? "Rückwirkend löschen" : "Rückwirkend bearbeiten";
+            forceRetroactive = forceRetroactive || yearFrom.HasValue && yearTo.HasValue && yearFrom.Value == yearTo.Value;
+            RetroactiveInput.IsEnabled = !forceRetroactive;
             if (delete) {
                 QuestionBlock1.Visibility = Visibility.Hidden;
                 QuestionBlock2.Visibility = Visibility.Visible;
                 DescBlock1.Visibility = Visibility.Hidden;
                 DescBlock2.Visibility = Visibility.Visible;
             }
-            if ((yearTo.HasValue && yearTo < Utils.CurrentNextSeason) || (yearFrom.HasValue && yearFrom >= Utils.CurrentNextSeason)) {
+            SeasonInput.Minimum = yearFrom.HasValue ? yearFrom + 1 : null;
+            SeasonInput.Maximum = yearTo.HasValue ? yearTo : null;
+            if (forceRetroactive || (yearTo.HasValue && yearTo < Utils.CurrentYear) || (yearFrom.HasValue && yearFrom >= Utils.CurrentYear)) {
                 RetroactiveInput.IsChecked = true;
             } else {
-                SeasonInput.Text = $"{Utils.CurrentNextSeason}";
+                SeasonInput.Text = $"{Utils.CurrentYear}";
             }
         }
 
@@ -48,7 +53,7 @@ namespace Elwig.Dialogs {
                 DescBlock2.Visibility = Visibility.Hidden;
             } else {
                 SeasonInput.IsEnabled = true;
-                SeasonInput.Text = $"{Utils.CurrentNextSeason}";
+                SeasonInput.Text = $"{Math.Max(SeasonInput.Minimum ?? Utils.CurrentYear, Utils.CurrentYear)}";
                 DescBlock1.Visibility = QuestionBlock1.Visibility;
                 DescBlock2.Visibility = QuestionBlock2.Visibility;
             }

Elwig/Dialogs/AreaComTransferDialog.xaml

@@ -8,7 +8,7 @@
         ResizeMode="NoResize" ShowInTaskbar="False" Topmost="True"
         WindowStartupLocation="CenterOwner"
         DataContext="{Binding RelativeSource={RelativeSource Self}}"
-        Title="Flächenbindungen übertragen" Height="260" Width="450">
+        Title="Flächenbindungen übertragen" Height="240" Width="450">
     <Window.Resources>
         <Style TargetType="Label">
             <Setter Property="HorizontalAlignment" Value="Left"/>
@@ -48,12 +48,8 @@
                             Minimum="1900" Maximum="9999"
                             HorizontalAlignment="Center" VerticalAlignment="Top"
                             TextChanged="SeasonInput_TextChanged"/>
-        <CheckBox x:Name="CopyYearToInput" Content="Beginn der Laufzeit von Vorgänger übernehmen" Margin="0,80,0,0"
-                  HorizontalAlignment="Center" VerticalAlignment="Top"
-                  Checked="CopyYearToInput_Changed" Unchecked="CopyYearToInput_Changed"
-                  IsChecked="{Binding MaintainYearFrom}"/>
 
-        <TextBlock x:Name="DescBlock1" Margin="0,105,0,0" TextAlignment="Center"
+        <TextBlock x:Name="DescBlock1" Margin="0,90,0,0" TextAlignment="Center"
                    HorizontalAlignment="Center" VerticalAlignment="Top">
             Die Flächenbindungen beim <Bold>Vorgänger</Bold> sind bis inkl. Saison <Bold><Run x:Name="CancelSeason1"/></Bold> gültig,<LineBreak/>
             und werden beim <Bold>Nachfolger</Bold> ab <Run x:Name="DescBlock1Season" Text="inkl. Saison "/><Bold><Run x:Name="TransferSeason"/></Bold> übernommen.

Elwig/Dialogs/AreaComTransferDialog.xaml.cs

@@ -5,51 +5,51 @@ using System.Windows.Controls;
 namespace Elwig.Dialogs {
     public partial class AreaComTransferDialog : Window {
 
-        public int CancelSeason { get; set; }
+        public int CancelSeason => SuccessorSeason - 1;
-        public int SuccessorSeason => CancelSeason + 1;
+        public int SuccessorSeason { get; set; }
-        public bool MaintainYearFrom { get; set; }
 
         public string AreaComNum { get; set; }
         public string Area { get; set; }
 
         public AreaComTransferDialog(string name, int areaComNum, int area) {
-            CancelSeason = Utils.FollowingSeason - 1;
+            SuccessorSeason = Utils.FollowingSeason;
             AreaComNum = $"{areaComNum:N0}";
             Area = $"{area:N0}";
             InitializeComponent();
-            SeasonInput.Text = $"{CancelSeason}";
+            SeasonInput.Text = $"{SuccessorSeason}";
+            SeasonInput.Minimum = Utils.CurrentLastSeason;
             Title = $"Aktive Flächenbindungen kündigen - {name}";
             QuestionBlock1.Visibility = Visibility.Hidden;
             QuestionBlock2.Visibility = Visibility.Visible;
             DescBlock1.Visibility = Visibility.Hidden;
             DescBlock2.Visibility = Visibility.Visible;
-            CopyYearToInput.Visibility = Visibility.Hidden;
             Height = 240;
             SeasonInput.Margin = new(0, 40, 0, 0);
             SeasonLabel.Margin = new(0, 40, 100, 0);
         }
 
         public AreaComTransferDialog(string name, string successorName, int areaComNum, int area) {
-            CancelSeason = Utils.FollowingSeason - 1;
+            SuccessorSeason = Utils.FollowingSeason;
             AreaComNum = $"{areaComNum:N0}";
             Area = $"{area:N0}";
             InitializeComponent();
-            SeasonInput.Text = $"{CancelSeason}";
+            SeasonInput.Text = $"{SuccessorSeason}";
+            SeasonInput.Minimum = Utils.CurrentLastSeason;
             Title = $"Aktive Flächenbindungen übertragen - {name} - {successorName}";
             InfoBlock.Visibility = Visibility.Hidden;
         }
 
         private void SeasonInput_TextChanged(object sender, TextChangedEventArgs evt) {
-            CancelSeason = (int)SeasonInput.Value!;
+            SuccessorSeason = (int)SeasonInput.Value!;
             CancelSeason1.Text = $"{CancelSeason}";
             CancelSeason2.Text = $"{CancelSeason}";
-            TransferSeason.Text = MaintainYearFrom ? "" : $"{SuccessorSeason}";
+            TransferSeason.Text = $"{SuccessorSeason}";
-            DescBlock1Season.Text = MaintainYearFrom ? "dem originalen Beginn der FB" : "inkl. Saison ";
+            DescBlock1Season.Text = "inkl. Saison ";
         }
 
         private void CopyYearToInput_Changed(object sender, RoutedEventArgs evt) {
-            TransferSeason.Text = MaintainYearFrom ? "" : $"{SuccessorSeason}";
+            TransferSeason.Text = $"{SuccessorSeason}";
-            DescBlock1Season.Text = MaintainYearFrom ? "dem originalen Beginn der FB" : "inkl. Saison ";
+            DescBlock1Season.Text = "inkl. Saison ";
         }
 
         private void ConfirmButton_Click(object sender, RoutedEventArgs evt) {

Elwig/Dialogs/DeliverySplittingDialog.xaml.cs

@@ -44,15 +44,10 @@ namespace Elwig.Dialogs {
         }
 
         protected override async Task OnRenewContext(AppDbContext ctx) {
-            ControlUtils.RenewItemsSource(MemberInput, await ctx.Members
+            ControlUtils.RenewItemsSource(MemberInput, await ctx.FetchMembers().ToListAsync());
-                .Where(m => m.IsActive)
-                .OrderBy(m => m.Name)
-                .ThenBy(m => m.GivenName)
-                .ToListAsync());
             ControlUtils.RenewItemsSource(DeliveryInput, await ctx.Deliveries
                 .Where(d => d.DateString == $"{_delivery.Date:yyyy-MM-dd}" && d.ZwstId == _delivery.ZwstId)
                 .OrderBy(d => d.LsNr)
-                .Include(d => d.Member)
                 .Include(d => d.Parts)
                 .ToListAsync());
             if (DeliveryInput.SelectedItem == null)

Elwig/Documents/BusinessDocument.cs

@@ -2,6 +2,7 @@ using Elwig.Helpers;
 using Elwig.Models;
 using Elwig.Models.Entities;
 using iText.Kernel.Colors;
+using iText.Kernel.Geom;
 using iText.Kernel.Pdf;
 using iText.Kernel.Pdf.Action;
 using iText.Kernel.Pdf.Canvas;
@@ -21,6 +22,7 @@ namespace Elwig.Documents {
         public bool IncludeSender = false;
         public bool UseBillingAddress = false;
         public bool ShowDateAndLocation = false;
+        public DateOnly? DateFrom;
         protected Table? Aside;
 
         public string Address {
@@ -46,16 +48,16 @@ namespace Elwig.Documents {
             return NewAsideCell(new KernedParagraph(text, 10), colspan, isName);
         }
 
-        public BusinessDocument(string title, Member m, bool includeSender = false) :
+        public BusinessDocument(string title, Member m, DateOnly? dateFrom, bool includeSender = false) :
             base(title) {
             Member = m;
             Location = App.BranchLocation;
             IncludeSender = includeSender;
+            DateFrom = dateFrom;
         }
 
-        protected override void RenderHeader(iText.Layout.Document doc, PdfDocument pdf) {
+        protected override void BeforeRenderBody(iText.Layout.Document doc, PdfDocument pdf) {
-            base.RenderHeader(doc, pdf);
+            base.BeforeRenderBody(doc, pdf);
-
             var uid = new KernedParagraph(Member.UstIdNr ?? "-", 10);
             if (!Member.IsBuchführend) uid.Add(Normal(" ")).Add(Italic("(pauschaliert)"));
             Aside = new Table(ColsMM(22.5, 42.5))
@@ -68,6 +70,20 @@ namespace Elwig.Documents {
                 .AddCell(NewAsideCell("UID:", isName: true)).AddCell(NewAsideCell(uid));
         }
 
+        protected void RenderAddress(Canvas canvas, Rectangle pageSize) {
+            canvas.Add(new Div()
+                .SetFixedPositionMM(25, 50, 80, 45, pageSize)
+                .SetFont(NF)
+                .Add(new KernedParagraph(IncludeSender ? $"{App.Client.Sender1}\n{App.Client.Sender2}" : "", 8).SetMargins(8, 0, 8, 0).SetHeight(16.0625f))
+                .Add(new KernedParagraph(Address, 12).SetMargin(0).SetHeight(12 * 5)));
+        }
+
+        protected static void RenderAside(Table aside, Canvas canvas, Rectangle pageSize) {
+            canvas.Add(new Div()
+                .SetFixedPositionMM(125, 50, 65, 50, pageSize)
+                .Add(aside));
+        }
+
         protected override void RenderBody(iText.Layout.Document doc, PdfDocument pdf) {
             base.RenderBody(doc, pdf);
 
@@ -84,20 +100,14 @@ namespace Elwig.Documents {
                 header.Add(new KernedParagraph(App.Client.NameTypeFull, 12).SetFont(NF).SetMargin(0));
                 canvas.Add(header);
                 // address
-                canvas.Add(new Div()
+                RenderAddress(canvas, pageSize);
-                    .SetFixedPositionMM(25, 50, 80, 45, pageSize)
-                    .SetFont(NF)
-                    .Add(new KernedParagraph(IncludeSender ? $"{App.Client.Sender1}\n{App.Client.Sender2}" : "", 8).SetMargin(0).SetHeight(16).SetPaddings(8, 0, 8, 0))
-                    .Add(new KernedParagraph(Address, 12).SetMargin(0).SetHeight(12 * 5)));
                 // aside
                 if (Aside != null) {
-                    canvas.Add(new Div()
+                    RenderAside(Aside, canvas, pageSize);
-                        .SetFixedPositionMM(125, 50, 65, 50, pageSize)
-                        .Add(Aside));
                 }
             }
 
-            doc.Add(new KernedParagraph(ShowDateAndLocation ? $"{Location}, am {Date:dd.MM.yyyy}" : "", 12).SetTextAlignment(TextAlignment.RIGHT).SetVerticalAlignment(VerticalAlignment.MIDDLE).SetHeight(24).SetMargin(0));
+            doc.Add(new KernedParagraph(ShowDateAndLocation ? $"{Location}, am {DateFrom ?? Date:dd.MM.yyyy}" : "", 12).SetTextAlignment(TextAlignment.RIGHT).SetVerticalAlignment(VerticalAlignment.MIDDLE).SetHeight(24).SetMargin(0));
             doc.Add(new KernedParagraph(Title, 12).SetFont(BF).SetMargins(0, 0, 12, 0));
         }
 
@@ -253,7 +263,7 @@ namespace Elwig.Documents {
         }
 
         protected Table NewBucketTable(
-            Season season, Dictionary<string, MemberBucket> buckets,
+            Season season, Dictionary<string, MemberBucket> buckets, int deliveredWeight,
             bool includeDelivery = true, bool includePayment = false,
             bool isTiny = false, IEnumerable<string>? filter = null
         ) {
@@ -307,10 +317,8 @@ namespace Elwig.Documents {
                 .OrderBy(b => b.Value.Name);
 
             tbl.AddCell(NewBucketTh("Gesamtlieferung lt. gez. GA", isTiny: isTiny));
-            tbl.AddCells(FormatRow(Member.BusinessShares * season.MinKgPerBusinessShare,
+            tbl.AddCells(FormatRow(Member.BusinessShares * season.MinKgPerBusinessShare, Member.BusinessShares * season.MaxKgPerBusinessShare,
-                    Member.BusinessShares * season.MaxKgPerBusinessShare,
+                    deliveredWeight, isGa: true, showPayment: includePayment, showArea: !includeDelivery, isTiny: isTiny));
-                    season.Deliveries.Where(d => d.MgNr == Member.MgNr).Sum(d => d.Weight),
-                    isGa: true, showPayment: includePayment, showArea: !includeDelivery, isTiny: isTiny));
 
             if (fbs.Any()) {
                 tbl.AddCell(NewBucketSubHdr("Flächenbindungen" + (vtr.Any() ? " (inkl. Verträge)" : "") + ":", includePayment ? 8 : 7, isTiny: isTiny));

Elwig/Documents/CreditNote.cs

@@ -1,55 +1,82 @@
 using Elwig.Helpers;
+using Elwig.Helpers.Billing;
 using Elwig.Models.Dtos;
 using Elwig.Models.Entities;
 using iText.Kernel.Pdf;
 using iText.Layout.Borders;
 using iText.Layout.Element;
 using iText.Layout.Properties;
+using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 
 namespace Elwig.Documents {
     public class CreditNote : BusinessDocument {
 
         public new static string Name => "Traubengutschrift";
 
-        public PaymentMember? Payment;
+        public PaymentMember Payment;
         public Credit? Credit;
-        public CreditNoteDeliveryData Data;
         public string? Text;
         public string CurrencySymbol;
         public int Precision;
-        public string MemberModifier;
+        public string? MemberModifier;
         public List<(string Name, int Kg, decimal Amount)>? MemberUnderDeliveries;
         public decimal MemberTotalUnderDelivery;
         public int MemberAutoBusinessShares;
         public decimal MemberAutoBusinessSharesAmount;
         public PaymentCustom? CustomPayment;
 
-        public CreditNote(
+        protected bool ConsiderContractPenalties;
-            AppDbContext ctx,
+        protected bool ConsiderTotalPenalty;
-            PaymentMember p,
+        protected bool ConsiderAutoBusinessShares;
-            CreditNoteDeliveryData data,
+        protected bool ConsiderCustomModifiers;
-            bool considerContractPenalties,
+
-            bool considerTotalPenalty,
+        private CreditNoteDeliveryData? _data;
-            bool considerAutoBusinessShares,
+        private Dictionary<string, UnderDelivery>? _underDeliveries;
-            bool considerCustomModifiers,
+
-            Dictionary<string, UnderDelivery>? underDeliveries = null
+        public CreditNote(PaymentMember p, DateOnly? dateFrom, BillingData? billingData = null, CreditNoteDeliveryData? data = null, Dictionary<string, UnderDelivery>? underDeliveries = null) :
-        ) :
+            base($"{Name} {(p.Credit != null ? $"Nr. {p.Credit.Year}/{p.Credit.TgNr:000}" : p.Member.FullName)} – {p.Variant.Name}", p.Member, dateFrom) {
-            base($"{Name} {(p.Credit != null ? $"Nr. {p.Credit.Year}/{p.Credit.TgNr:000}" : p.Member.FullName)} – {p.Variant.Name}", p.Member) {
             UseBillingAddress = true;
             ShowDateAndLocation = true;
-            Data = data;
             Payment = p;
             Credit = p.Credit;
-            IsPreview = Payment == null || Credit == null;
+            Text = App.Client.TextCreditNote;
-            var season = p.Variant.Season;
+            DocumentId = $"Tr.-Gutschr. " + (Credit != null ? $"{Credit.Year}/{Credit.TgNr:000}" : Payment.MgNr);
-            if (considerCustomModifiers) {
+            IsPreview = Credit == null;
-                CustomPayment = ctx.CustomPayments.Find(p.Year, p.MgNr);
+            _data = data;
+            _underDeliveries = underDeliveries;
+            CurrencySymbol = Payment.Variant.Season.Currency.Symbol ?? Payment.Variant.Season.Currency.Code;
+            Precision = Payment.Variant.Season.Precision;
+
+            billingData ??= BillingData.FromJson(Payment.Variant.Data);
+            ConsiderContractPenalties = billingData.ConsiderContractPenalties;
+            ConsiderTotalPenalty = billingData.ConsiderTotalPenalty;
+            ConsiderAutoBusinessShares = billingData.ConsiderAutoBusinessShares;
+            ConsiderCustomModifiers = billingData.ConsiderCustomModifiers;
+        }
+
+        public static async Task<CreditNote> Initialize(int year, int avnr, int mgnr, DateOnly? dateFrom, BillingData? billingData = null, CreditNoteDeliveryData? data = null, Dictionary<string, UnderDelivery>? underDeliveries = null) {
+            using var ctx = new AppDbContext();
+            var p = await ctx.MemberPayments
+                .Where(p => p.Year == year && p.AvNr == avnr && p.MgNr == mgnr)
+                .SingleAsync();
+            return new CreditNote(p, dateFrom, billingData, data, underDeliveries);
+        }
+
+        protected override async Task LoadData(AppDbContext ctx) {
+            await base.LoadData(ctx);
+            var season = Payment.Variant.Season;
+            if (ConsiderCustomModifiers) {
+                CustomPayment = await ctx.CustomPayments.FindAsync(Payment.Year, Payment.MgNr);
             }
 
-            var mod = App.Client.IsMatzen ? ctx.Modifiers.Where(m => m.Year == season.Year && m.Name.StartsWith("Treue")).FirstOrDefault() : null;
+            _data ??= (await CreditNoteDeliveryData.ForPaymentVariant(ctx.CreditNoteDeliveryRows, ctx.PaymentVariants, Payment.Year, Payment.AvNr))[Member.MgNr];
+            _underDeliveries ??= await ctx.GetMemberUnderDelivery(Payment.Year, Member.MgNr);
+
+            var mod = App.Client.IsMatzen ? await ctx.FetchModifiers(season.Year).Where(m => m.Name.StartsWith("Treue")).FirstOrDefaultAsync() : null;
             if (CustomPayment?.ModComment != null) {
                 MemberModifier = CustomPayment.ModComment;
             } else if (mod != null) {
@@ -57,32 +84,28 @@ namespace Elwig.Documents {
             } else {
                 MemberModifier = "Sonstige Zu-/Abschläge";
             }
-            Text = App.Client.TextCreditNote;
-            DocumentId = $"Tr.-Gutschr. " + (p.Credit != null ? $"{p.Credit.Year}/{p.Credit.TgNr:000}" : p.MgNr);
-            CurrencySymbol = season.Currency.Symbol ?? season.Currency.Code;
-            Precision = season.Precision;
 
-            if (considerTotalPenalty) {
+            if (ConsiderTotalPenalty) {
-                var total = data.Rows.SelectMany(r => r.Buckets).Sum(b => b.Value);
+                var total = _data.Rows.SelectMany(r => r.Buckets).Sum(b => b.Value);
-                var totalUnderDelivery = total - p.Member.BusinessShares * season.MinKgPerBusinessShare;
+                var totalUnderDelivery = total - Member.BusinessShares * season.MinKgPerBusinessShare;
                 MemberTotalUnderDelivery = totalUnderDelivery < 0 ? totalUnderDelivery * (season.PenaltyPerKg ?? 0) - (season.PenaltyAmount ?? 0) - (season.PenaltyPerBsAmount * Math.Floor(-(decimal)totalUnderDelivery / season.MinKgPerBusinessShare) ?? 0) : 0;
                 if (total == 0)
-                    MemberTotalUnderDelivery -= (season.PenaltyNone ?? 0) + (season.PenaltyPerBsNone * p.Member.BusinessShares ?? 0);
+                    MemberTotalUnderDelivery -= (season.PenaltyNone ?? 0) + (season.PenaltyPerBsNone * Member.BusinessShares ?? 0);
             }
-            if (considerAutoBusinessShares) {
+            if (ConsiderAutoBusinessShares) {
                 var fromDate = $"{season.Year}-01-01";
                 var toDate = $"{season.Year}-12-31";
-                MemberAutoBusinessShares = ctx.MemberHistory
+                MemberAutoBusinessShares = await ctx.MemberHistory
-                    .Where(h => h.MgNr == p.Member.MgNr && h.Type == "auto")
+                    .Where(h => h.MgNr == Member.MgNr && h.Type == "auto")
                     .Where(h => h.DateString.CompareTo(fromDate) >= 0 && h.DateString.CompareTo(toDate) <= 0)
-                    .Sum(h => h.BusinessShares);
+                    .SumAsync(h => h.BusinessShares);
                 MemberAutoBusinessSharesAmount = MemberAutoBusinessShares * (-season.BusinessShareValue ?? 0);
             }
-            if (considerContractPenalties) {
+            if (ConsiderContractPenalties) {
-                var varieties = ctx.WineVarieties.ToDictionary(v => v.SortId, v => v);
+                var varieties = await ctx.FetchWineVarieties().ToDictionaryAsync(v => v.SortId, v => v);
-                var attributes = ctx.WineAttributes.ToDictionary(a => a.AttrId, a => a);
+                var attributes = await ctx.FetchWineAttributes().ToDictionaryAsync(a => a.AttrId, a => a);
-                var comTypes = ctx.AreaCommitmentTypes.ToDictionary(t => t.VtrgId, t => t);
+                var comTypes = await ctx.AreaCommitmentTypes.ToDictionaryAsync(t => t.VtrgId, t => t);
-                MemberUnderDeliveries = underDeliveries?
+                MemberUnderDeliveries = _underDeliveries?
                     .OrderBy(u => u.Key)
                     .Select(u => (
                         varieties[u.Key[..2]].Name + (u.Key.Length > 2 ? " " + attributes[u.Key[2..]].Name : ""),
@@ -95,8 +118,8 @@ namespace Elwig.Documents {
             }
         }
 
-        protected override void RenderHeader(iText.Layout.Document doc, PdfDocument pdf) {
+        protected override void BeforeRenderBody(iText.Layout.Document doc, PdfDocument pdf) {
-            base.RenderHeader(doc, pdf);
+            base.BeforeRenderBody(doc, pdf);
             Aside?.AddCell(NewAsideCell("Gutschrift", 2))
                 .AddCell(NewAsideCell("TG-Nr.:", isName: true)).AddCell(NewAsideCell(Payment?.Credit != null ? $"{Payment.Credit.Year}/{Payment.Credit.TgNr:000}" : "-"))
                 .AddCell(NewAsideCell("Datum:", isName: true)).AddCell(NewAsideCell($"{Payment?.Variant.Date:dd.MM.yyyy}"))
@@ -104,8 +127,9 @@ namespace Elwig.Documents {
         }
 
         protected override void RenderBody(iText.Layout.Document doc, PdfDocument pdf) {
+            if (_data == null) throw new Exception("Call LoadData before RenderBody");
             base.RenderBody(doc, pdf);
-            doc.Add(NewCreditTable(Data));
+            doc.Add(NewCreditTable(_data));
 
             var div = new Table(ColsMM(60, 105))
                 .SetWidth(UnitValue.CreatePercentValue(100)).SetFixedLayout()
@@ -131,7 +155,7 @@ namespace Elwig.Documents {
                 .SetBorderCollapse(BorderCollapsePropertyValue.COLLAPSE)
                 .SetKeepTogether(true);
 
-            var sum = Data.Rows.Sum(p => p.Amount);
+            var sum = _data.Rows.Sum(p => p.Amount);
             if (Payment == null) {
                 tbl1.AddCells(FormatRow("Gesamt", sum, bold: true, noTopBorder: true));
             } else {
@@ -139,7 +163,7 @@ namespace Elwig.Documents {
                 if (Payment.NetAmount != Payment.Amount) {
                     tbl1.AddCells(FormatRow("Zwischensumme", Payment.NetAmount, noTopBorder: noBorder));
                     noBorder = false;
-                    tbl1.AddCells(FormatRow(MemberModifier, Payment.Amount - Payment.NetAmount, add: true));
+                    tbl1.AddCells(FormatRow(MemberModifier ?? "", Payment.Amount - Payment.NetAmount, add: true));
                 }
                 if (Credit == null) {
                     tbl1.AddCells(FormatRow("Gesamtbetrag", Payment.Amount, bold: true, noTopBorder: noBorder));

Elwig/Documents/DeliveryConfirmation.cs

@@ -5,34 +5,49 @@ using iText.Kernel.Pdf;
 using iText.Layout.Borders;
 using iText.Layout.Element;
 using iText.Layout.Properties;
+using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 
 namespace Elwig.Documents {
     public class DeliveryConfirmation : BusinessDocument {
 
         public new static string Name => "Anlieferungsbestätigung";
 
-        public Season Season;
+        private readonly int _year;
-        public DeliveryConfirmationDeliveryData Data;
+        public Season? Season;
+        public int MemberDeliveredWeight;
+        public DeliveryConfirmationDeliveryData? Data;
         public string? Text = App.Client.TextDeliveryConfirmation;
-        public Dictionary<string, MemberBucket> MemberBuckets;
+        public Dictionary<string, MemberBucket> MemberBuckets = [];
-        public List<MemberStat> MemberStats;
+        public List<MemberStat> MemberStats = [];
 
-        public DeliveryConfirmation(AppDbContext ctx, int year, Member m, DeliveryConfirmationDeliveryData data) :
+        public DeliveryConfirmation(int year, Member m, DateOnly? dateFrom, DeliveryConfirmationDeliveryData? data = null) :
-            base($"{Name} {year}", m) {
+            base($"{Name} {year}", m, dateFrom) {
-            Season = ctx.Seasons.Find(year) ?? throw new ArgumentException("invalid season");
+            _year = year;
             ShowDateAndLocation = true;
             UseBillingAddress = true;
-            DocumentId = $"Anl.-Best. {Season.Year}/{m.MgNr}";
+            DocumentId = $"Anl.-Best. {_year}/{m.MgNr}";
             Data = data;
-            MemberBuckets = ctx.GetMemberBuckets(Season.Year, m.MgNr).GetAwaiter().GetResult();
-            MemberStats = AppDbContext.GetMemberStats(Season.Year, m.MgNr).GetAwaiter().GetResult();
         }
 
-        protected override void RenderHeader(iText.Layout.Document doc, PdfDocument pdf) {
+        protected override async Task LoadData(AppDbContext ctx) {
-            base.RenderHeader(doc, pdf);
+            await base.LoadData(ctx);
+            Season = await ctx.FetchSeasons(_year).SingleOrDefaultAsync() ?? throw new ArgumentException("Invalid season");
+            MemberDeliveredWeight = await ctx.Deliveries
+                .Where(d => d.Year == Season.Year && d.MgNr == Member.MgNr)
+                .SelectMany(d => d.Parts)
+                .SumAsync(p => p.Weight);
+            MemberBuckets = await ctx.GetMemberBuckets(Season.Year, Member.MgNr);
+            MemberStats = await AppDbContext.GetMemberStats(Season.Year, Member.MgNr);
+            Data ??= await DeliveryConfirmationDeliveryData.ForMember(ctx.DeliveryParts, Season.Year, Member);
+        }
+
+        protected override void BeforeRenderBody(iText.Layout.Document doc, PdfDocument pdf) {
+            if (Data == null) throw new Exception("Call LoadData before BeforeRenderBody");
+            base.BeforeRenderBody(doc, pdf);
             var firstDay = Data.Rows.MinBy(r => r.Date)?.Date;
             var lastDay = Data.Rows.MaxBy(r => r.Date)?.Date;
             Aside?.AddCell(NewAsideCell("Saison", 2))
@@ -42,12 +57,13 @@ namespace Elwig.Documents {
         }
 
         protected override void RenderBody(iText.Layout.Document doc, PdfDocument pdf) {
+            if (Season == null || Data == null) throw new Exception("Call LoadData before RenderBody");
             base.RenderBody(doc, pdf);
 
             doc.Add(NewDeliveryListTable(Data));
             doc.Add(NewWeightsTable(MemberStats)
                 .SetMarginTopMM(10).SetKeepTogether(true));
-            doc.Add(NewBucketTable(Season, MemberBuckets, includePayment: true)
+            doc.Add(NewBucketTable(Season, MemberBuckets, MemberDeliveredWeight, includePayment: true)
                 .SetMarginTopMM(10).SetKeepTogether(true));
 
             if (Text != null) {
@@ -120,8 +136,8 @@ namespace Elwig.Documents {
                     }
 
                     if (i == p.Buckets.Length - 1) {
-                        sub.AddCell(NewTd($"{p.Weight:N0}"));
+                        sub.AddCell(NewTd($"{p.Weight:N0}", right: true));
-                        sub.AddCell(NewTd(p.IsNetWeight ? "\u2611" : "\u2610", 7, center: true).SetFont(SF).SetPadding(0));
+                        sub.AddCell(NewTd(p.IsNetWeight ? "\u2611" : "\u2610", 7, right: true).SetFont(SF).SetPadding(0));
                     } else {
                         sub.AddCell(NewCell(colspan: 2));
                     }

Elwig/Documents/DeliveryNote.cs

@@ -5,10 +5,12 @@ using iText.Layout.Borders;
 using iText.Layout.Element;
 using iText.Layout.Layout;
 using iText.Layout.Properties;
+using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
+using System.Threading.Tasks;
 
 namespace Elwig.Documents {
     public class DeliveryNote : BusinessDocument {
@@ -17,7 +19,8 @@ namespace Elwig.Documents {
 
         public Delivery Delivery;
         public string? Text;
-        public Dictionary<string, MemberBucket> MemberBuckets;
+        public int MemberDeliveredWeight;
+        public Dictionary<string, MemberBucket> MemberBuckets = [];
 
         // 0 - none
         // 1 - GA only
@@ -25,19 +28,45 @@ namespace Elwig.Documents {
         // 3 - full
         public int DisplayStats = App.Client.ModeDeliveryNoteStats;
 
-        public DeliveryNote(Delivery d, AppDbContext? ctx = null) :
+        public DeliveryNote(Delivery d) :
-            base($"{Name} Nr. {d.LsNr}", d.Member) {
+            base($"{Name} Nr. {d.LsNr}", d.Member, DateOnly.FromDateTime(d.ModifiedAt)) {
             UseBillingAddress = true;
             ShowDateAndLocation = true;
             Delivery = d;
             Text = App.Client.TextDeliveryNote;
             DocumentId = d.LsNr;
-            IsDoublePaged = true;
-            MemberBuckets = ctx?.GetMemberBuckets(d.Year, d.Member.MgNr).GetAwaiter().GetResult() ?? [];
         }
 
-        protected override void RenderHeader(iText.Layout.Document doc, PdfDocument pdf) {
+        public static async Task<DeliveryNote> Initialize(int year, int did) {
-            base.RenderHeader(doc, pdf);
+            using var ctx = new AppDbContext();
+            await ctx.WineOrigins.LoadAsync();
+            var d = await ctx.Deliveries
+                .Where(d => d.Year == year && d.DId == did)
+                .Include(d => d.Parts).ThenInclude(p => p.PartModifiers)
+                .SingleAsync();
+            return new DeliveryNote(d);
+        }
+
+        public static async Task<DeliveryNote> Initialize(string lsnr) {
+            using var ctx = new AppDbContext();
+            await ctx.WineOrigins.LoadAsync();
+            var d = await ctx.Deliveries
+                .Where(d => d.LsNr == lsnr)
+                .Include(d => d.Parts).ThenInclude(p => p.PartModifiers)
+                .SingleAsync();
+            return new DeliveryNote(d);
+        }
+
+        protected override async Task LoadData(AppDbContext ctx) {
+            await base.LoadData(ctx);
+            MemberDeliveredWeight = await ctx.DeliveryParts
+                .Where(d => d.Year == Delivery.Year && d.Delivery.MgNr == Member.MgNr)
+                .SumAsync(p => p.Weight);
+            MemberBuckets = await ctx.GetMemberBuckets(Delivery.Year, Member.MgNr) ?? [];
+        }
+
+        protected override void BeforeRenderBody(iText.Layout.Document doc, PdfDocument pdf) {
+            base.BeforeRenderBody(doc, pdf);
             Aside?.AddCell(NewAsideCell("Lieferung", 2))
                 .AddCell(NewAsideCell("LS-Nr.:", isName: true)).AddCell(NewAsideCell(Delivery.LsNr))
                 .AddCell(NewAsideCell("Datum/Zeit:", isName: true)).AddCell(NewAsideCell($"{Delivery.Date:dd.MM.yyyy} / {Delivery.Time:HH:mm}"))
@@ -52,7 +81,7 @@ namespace Elwig.Documents {
                 doc.Add(new KernedParagraph($"Anmerkung zur Lieferung: {Delivery.Comment}", 10).SetMarginsMM(5, 0, 0, 0));
             }
             if (DisplayStats > 0) {
-                doc.Add(NewBucketTable(Delivery.Season, MemberBuckets, isTiny: true,
+                doc.Add(NewBucketTable(Delivery.Season, MemberBuckets, MemberDeliveredWeight, isTiny: true,
                         filter: DisplayStats > 2 ? null : DisplayStats == 1 ? [] : Delivery.Parts.Select(p => p.SortId).Distinct().ToList())
                     .SetKeepTogether(true)
                     .SetMarginsMM(5, 0, 0, 0));

Elwig/Documents/Document.cs

@@ -49,14 +49,12 @@ namespace Elwig.Documents {
         public bool IsPreview = false;
         private iText.Layout.Document? _doc;
 
-        public int CurrentNextSeason;
         public string? DocumentId;
         public string Title;
         public string Author;
         public DateOnly Date;
 
         public Document(string title) {
-            CurrentNextSeason = Utils.CurrentNextSeason;
             Title = title;
             Author = App.Client.NameFull;
             Date = DateOnly.FromDateTime(Utils.Today);
@@ -88,11 +86,15 @@ namespace Elwig.Documents {
         }
 
         public int Render(string path) {
-            using var writer = new PdfWriter(path);
+            using (var writer = new PdfWriter(path)) {
-            return Render(writer);
+                Render(writer);
+            }
+            using var reader = new PdfReader(path);
+            using var pdf = new PdfDocument(reader);
+            return pdf.GetNumberOfPages();
         }
 
-        private int Render(PdfWriter writer) {
+        private void Render(PdfWriter writer) {
             NF = PdfFontFactory.CreateFont(@"C:\Windows\Fonts\times.ttf",    PdfEncodings.IDENTITY_H, PdfFontFactory.EmbeddingStrategy.PREFER_NOT_EMBEDDED);
             BF = PdfFontFactory.CreateFont(@"C:\Windows\Fonts\timesbd.ttf",  PdfEncodings.IDENTITY_H, PdfFontFactory.EmbeddingStrategy.PREFER_NOT_EMBEDDED);
             IF = PdfFontFactory.CreateFont(@"C:\Windows\Fonts\timesi.ttf",   PdfEncodings.IDENTITY_H, PdfFontFactory.EmbeddingStrategy.PREFER_NOT_EMBEDDED);
@@ -117,16 +119,16 @@ namespace Elwig.Documents {
             _doc = new iText.Layout.Document(pdf, iText.Kernel.Geom.PageSize.A4);
             try {
                 _doc.SetFont(NF).SetFontSize(12);
-                RenderHeader(_doc, pdf);
+                BeforeRenderBody(_doc, pdf);
                 RenderBody(_doc, pdf);
-                var pageNum = pdf.GetNumberOfPages();
-                return pageNum;
             } finally {
                 _doc.Close();
             }
         }
 
-        protected virtual void RenderHeader(iText.Layout.Document doc, PdfDocument pdf) { }
+        protected virtual async Task LoadData(AppDbContext ctx) { }
+
+        protected virtual void BeforeRenderBody(iText.Layout.Document doc, PdfDocument pdf) { }
 
         protected virtual void RenderBody(iText.Layout.Document doc, PdfDocument pdf) { }
 
@@ -134,7 +136,7 @@ namespace Elwig.Documents {
             return new KernedParagraph(App.Client.NameFull, 10);
         }
 
-        public async Task Generate(CancellationToken? cancelToken = null, IProgress<double>? progress = null) {
+        public async Task Generate(AppDbContext ctx, CancellationToken? cancelToken = null, IProgress<double>? progress = null) {
             if (_pdfFile != null)
                 return;
             progress?.Report(0.0);
@@ -150,84 +152,78 @@ namespace Elwig.Documents {
                     using var mergedPdf = new PdfDocument(writer);
                     var merger = new PdfMerger(mergedPdf);
 
-                    PdfPage? letterheadPage = null;
+                    (PdfPage Page, int InsertIndex, int DocIndex)? letterhead = null;
-                    int letterheadInsertIndex = 0;
-                    int letterheadDocIndex = 0;
 
+                    int p = mergedPdf.GetNumberOfPages();
                     for (int i = 0; i < m.Documents.Count; i++) {
                         if (cancelToken?.IsCancellationRequested ?? false)
                             throw new OperationCanceledException("Dokumentenerzeugung abgebrochen!");
                         var doc = m.Documents[i];
-                        int p0 = mergedPdf.GetNumberOfPages();
+                        int p0 = p;
 
-                        if (letterheadPage != null && doc is Letterhead) {
+                        if (letterhead != null && doc is Letterhead) {
-                            if (mergedPdf.GetNumberOfPages() <= letterheadInsertIndex) {
+                            if (p0 <= letterhead.Value.InsertIndex) {
-                                mergedPdf.AddPage(letterheadPage);
+                                mergedPdf.AddPage(letterhead.Value.Page);
                                 mergedPdf.AddNewPage();
                             } else {
-                                mergedPdf.AddPage(letterheadInsertIndex + 1, letterheadPage);
+                                mergedPdf.AddPage(letterhead.Value.InsertIndex + 1, letterhead.Value.Page);
-                                mergedPdf.AddNewPage(letterheadInsertIndex + 2);
+                                mergedPdf.AddNewPage(letterhead.Value.InsertIndex + 2);
                             }
 
-                            pageNums[letterheadDocIndex] = 1;
+                            pageNums[letterhead.Value.DocIndex] = 1;
-                            letterheadPage = null;
+                            letterhead = null;
+                            p += 2;
                         }
 
                         if (doc is RawPdfDocument) {
-                            if (IsDoublePaged && doc is Letterhead) {
+                            using var reader = new PdfReader(doc.PdfPath);
-                                using var reader = new PdfReader(doc.PdfPath);
+                            using var src = new PdfDocument(reader);
-                                using var src = new PdfDocument(reader);
+                            merger.Merge(src, 1, src.GetNumberOfPages());
-                                letterheadPage = src.GetPage(1).CopyTo(mergedPdf);
+                            p += src.GetNumberOfPages();
-                                letterheadInsertIndex = p0;
-                                letterheadDocIndex = i;
-                            } else {
-                                using var reader = new PdfReader(doc.PdfPath);
-                                using var src = new PdfDocument(reader);
-                                merger.Merge(src, 1, src.GetNumberOfPages());
-                            }
                         } else {
+                            await doc.LoadData(ctx);
                             int pageNum = doc.Render(tmpPdf.FilePath);
                             if (IsDoublePaged && doc is Letterhead) {
                                 using var reader = new PdfReader(tmpPdf.FilePath);
                                 using var src = new PdfDocument(reader);
-                                letterheadPage = src.GetPage(1).CopyTo(mergedPdf);
+                                letterhead = (src.GetPage(1).CopyTo(mergedPdf), p0, i);
-                                letterheadInsertIndex = p0;
-                                letterheadDocIndex = i;
                             } else {
                                 using var reader = new PdfReader(tmpPdf.FilePath);
                                 using var src = new PdfDocument(reader);
                                 merger.Merge(src, 1, pageNum);
+                                p += pageNum;
                             }
                         }
 
-                        int p1 = mergedPdf.GetNumberOfPages();
+                        int p1 = p;
                         pageNums.Add(p1 - p0);
 
-                        if (IsDoublePaged && doc is not Letterhead && mergedPdf.GetNumberOfPages() % 2 != 0) {
+                        if (IsDoublePaged && doc is not Letterhead && p % 2 != 0) {
-                            if (letterheadPage != null) {
+                            if (letterhead != null) {
-                                mergedPdf.AddPage(letterheadPage);
+                                mergedPdf.AddPage(letterhead.Value.Page);
-                                letterheadPage = null;
+                                letterhead = null;
                             } else {
                                 mergedPdf.AddNewPage();
                             }
+                            p++;
                         }
 
                         progress?.Report(100.0 * (i + 1) / (m.Documents.Count + 1));
                     }
 
-                    if (letterheadPage != null) {
+                    if (letterhead != null) {
-                        if (mergedPdf.GetNumberOfPages() <= letterheadInsertIndex) {
+                        if (p <= letterhead.Value.InsertIndex) {
-                            mergedPdf.AddPage(letterheadPage.CopyTo(mergedPdf));
+                            mergedPdf.AddPage(letterhead.Value.Page);
                             mergedPdf.AddNewPage();
                         } else {
-                            mergedPdf.AddPage(letterheadInsertIndex + 1, letterheadPage.CopyTo(mergedPdf));
+                            mergedPdf.AddPage(letterhead.Value.InsertIndex + 1, letterhead.Value.Page);
-                            mergedPdf.AddNewPage(letterheadInsertIndex + 2);
+                            mergedPdf.AddNewPage(letterhead.Value.InsertIndex + 2);
                         }
-
+                        pageNums[letterhead.Value.DocIndex] = 1;
-                        pageNums[letterheadDocIndex] = 1;
+                        p += 2;
                     }
 
-                    TotalPages = pageNums.Sum();
+                    TotalPages = p;
                 } catch {
                     pdf.Dispose();
                     throw;
@@ -238,6 +234,7 @@ namespace Elwig.Documents {
                     throw new OperationCanceledException("Dokumentenerzeugung abgebrochen!");
                 var pdf = new TempFile("pdf");
                 try {
+                    await LoadData(ctx);
                     TotalPages = Render(pdf.FilePath);
                 } catch {
                     pdf.Dispose();
@@ -297,7 +294,7 @@ namespace Elwig.Documents {
 
         protected Cell NewTh(string? text, float fontSize = 8, int rowspan = 1, int colspan = 1, bool left = false, bool rotated = false) {
             var p = new KernedParagraph(text ?? "", fontSize);
-            if (rotated) p.SetRotationAngle(rotated ? 0.5 * Math.PI : 0);
+            if (rotated) p.SetRotationAngle(0.5 * Math.PI);
             var cell = NewCell(p, rowspan: rowspan, colspan: colspan)
                 .SetTextAlignment(left ? TextAlignment.LEFT : TextAlignment.CENTER)
                 .SetVerticalAlignment(VerticalAlignment.MIDDLE)
@@ -394,6 +391,8 @@ namespace Elwig.Documents {
             }
 
             private void OnPageEnd(PdfDocumentEvent evt) {
+                if (_doc is Letterhead) return;
+
                 var pdf = evt.GetDocument();
                 var page = evt.GetPage();
                 var pageNum = pdf.GetPageNumber(page);

Elwig/Documents/Letterhead.cs

@@ -1,10 +1,21 @@
 using Elwig.Models.Entities;
+using iText.Kernel.Pdf;
+using iText.Kernel.Pdf.Canvas;
+using iText.Layout;
 
 namespace Elwig.Documents {
     public class Letterhead : BusinessDocument {
         public Letterhead(Member m) :
-            base($"Briefkopf {m.FullName}", m, true) {
+            base($"Briefkopf {m.FullName}", m, null, includeSender: true) {
-            Aside = null;
+        }
+
+        protected override void RenderBody(iText.Layout.Document doc, PdfDocument pdf) {
+            // do not render anything except this
+            var page = pdf.AddNewPage();
+            var pageSize = page.GetPageSize();
+            var pdfCanvas = new PdfCanvas(page.NewContentStreamBefore(), page.GetResources(), pdf);
+            using var canvas = new Canvas(pdfCanvas, pageSize);
+            RenderAddress(canvas, pageSize);
         }
     }
 }

Elwig/Documents/MemberDataSheet.cs

@@ -5,31 +5,52 @@ using iText.Kernel.Pdf;
 using iText.Layout.Borders;
 using iText.Layout.Element;
 using iText.Layout.Properties;
+using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
+using System.Threading.Tasks;
 
 namespace Elwig.Documents {
     public class MemberDataSheet : BusinessDocument {
 
         public new static string Name => "Stammdatenblatt";
 
-        public Season Season;
+        public Season? Season;
-        public Dictionary<string, MemberBucket> MemberBuckets;
+        public int MemberDeliveredWeight;
-        public List<AreaCom> ActiveAreaCommitments;
+        public Dictionary<string, MemberBucket> MemberBuckets = [];
+        public List<AreaCom> ActiveAreaCommitments = [];
 
-        public MemberDataSheet(Member m, AppDbContext ctx) : base($"{Name} {m.AdministrativeName}", m) {
+        public MemberDataSheet(Member m) :
+            base($"{Name} {m.AdministrativeName}", m, DateOnly.FromDateTime(m.ModifiedAt)) {
+            ShowDateAndLocation = true;
             DocumentId = $"{Name} {m.MgNr}";
-            Season = ctx.Seasons.ToList().MaxBy(s => s.Year) ?? throw new ArgumentException("invalid season");
+        }
-            MemberBuckets = ctx.GetMemberBuckets(Utils.CurrentYear, m.MgNr).GetAwaiter().GetResult();
+
-            ActiveAreaCommitments = [.. m.ActiveAreaCommitments(ctx)];
+        public static async Task<MemberDataSheet> Initialize(int mgnr) {
+            using var ctx = new AppDbContext();
+            return new MemberDataSheet(await ctx.FetchMembers(mgnr, true, true).SingleAsync());
+        }
+
+        protected override async Task LoadData(AppDbContext ctx) {
+            await base.LoadData(ctx);
+            Season = await ctx.FetchSeasons().FirstOrDefaultAsync() ?? throw new ArgumentException("Invalid season");
+            MemberBuckets = await ctx.GetMemberBuckets(Utils.CurrentYear, Member.MgNr);
+            ActiveAreaCommitments = await Member.ActiveAreaCommitments(ctx)
+                .Include(c => c.Contract).ThenInclude(c => c.Revisions)
+                .ToListAsync();
+            MemberDeliveredWeight = await ctx.Deliveries
+                .Where(d => d.Year == Season.Year && d.MgNr == Member.MgNr)
+                .SelectMany(d => d.Parts)
+                .SumAsync(p => p.Weight);
         }
 
         protected override void RenderBody(iText.Layout.Document doc, PdfDocument pdf) {
+            if (Season == null) throw new Exception("Call LoadData before RenderBody");
             base.RenderBody(doc, pdf);
-            doc.Add(NewMemberData().SetMarginBottomMM(5));
+            doc.Add(NewMemberData(Season).SetMarginBottomMM(5));
-            doc.Add(NewBucketTable(Season, MemberBuckets, includeDelivery: false));
+            doc.Add(NewBucketTable(Season, MemberBuckets, MemberDeliveredWeight, includeDelivery: false));
             if (ActiveAreaCommitments.Count != 0) {
                 bool firstOnPage = false;
                 if (pdf.GetNumberOfPages() == 1) {
@@ -37,7 +58,7 @@ namespace Elwig.Documents {
                     firstOnPage = true;
                 }
                 doc.Add(new KernedParagraph(12).Add(Bold($"Flächenbindungen per {Date:dd.MM.yyyy}")).SetMargins(firstOnPage ? 0 : 24, 0, 12, 0));
-                doc.Add(NewAreaComTable());
+                doc.Add(NewAreaComTable(ActiveAreaCommitments));
             }
         }
 
@@ -51,7 +72,7 @@ namespace Elwig.Documents {
                 .SetPaddingRightMM(0);
         }
 
-        protected Table NewMemberData() {
+        protected Table NewMemberData(Season season) {
             var tbl = new Table(ColsMM(30.0, 51.5, 20.0, 12.0, 18.0, 31.5))
                 .SetWidth(UnitValue.CreatePercentValue(100)).SetFixedLayout()
                 .SetBorderCollapse(BorderCollapsePropertyValue.COLLAPSE)
@@ -116,7 +137,7 @@ namespace Elwig.Documents {
                 .AddCell(NewDataTh("UID:", colspan: 2)).AddCell(NewTd(Member.UstIdNr, colspan: 2))
                 .AddCell(NewDataTh("Stammgemeinde:")).AddCell(NewTd(Member.DefaultKg?.Name))
                 .AddCell(NewDataTh("Buchführend:", colspan: 2)).AddCell(NewTd(new KernedParagraph(Member.IsBuchführend ? "Ja " : "Nein ", 10)
-                    .Add(Normal($"({(Member.IsBuchführend ? Season.VatNormal : Season.VatFlatrate) * 100:N0}% USt.)", 8)), colspan: 2))
+                    .Add(Normal($"({(Member.IsBuchführend ? season.VatNormal : season.VatFlatrate) * 100:N0}% USt.)", 8)), colspan: 2))
                 .AddCell(NewDataTh("(Katastralgemeinde mit dem größten Anteil an Weinbauflächen)", 8, colspan: 2))
                 .AddCell(NewDataTh("Bio:", colspan: 2)).AddCell(NewTd(Member.IsOrganic ? "Ja" : "Nein", colspan: 2))
                 .AddCell(NewDataHdr("Genossenschaft", colspan: 6))
@@ -133,10 +154,10 @@ namespace Elwig.Documents {
             return tbl;
         }
 
-        protected Table NewAreaComTable() {
+        protected Table NewAreaComTable(IEnumerable<AreaCom> activeAreaComs) {
-            var areaComs = ActiveAreaCommitments.GroupBy(a => a.AreaComType).Select(group => new {
+            var areaComs = activeAreaComs.GroupBy(a => a.AreaComType).Select(group => new {
                 Type = group.Key,
-                AreaComs = group.OrderBy(c => c.Kg.AtKg.Name).ToList(),
+                AreaComs = group.OrderBy(c => c.Contract.Kg.AtKg.Name).ToList(),
                 Size = group.Sum(c => c.Area)
             }).OrderByDescending(a => a.Size).ToList();
 
@@ -164,18 +185,19 @@ namespace Elwig.Documents {
                         .SetBorderTop(contractType.Type.DisplayName != lastContract && lastContract != "" ? new SolidBorder(BorderThickness) : Border.NO_BORDER));
 
                 foreach (var areaCom in contractType.AreaComs) {
-                    tbl.AddCell(NewTd(new KernedParagraph(10).Add(Normal($"{areaCom.Kg.AtKg.Name} ")).Add(Normal($"({areaCom.Kg.AtKg.KgNr:00000})", 8))))
+                    var c = areaCom.Contract;
-                        .AddCell(NewTd(areaCom.Rd?.Name))
+                    tbl.AddCell(NewTd(new KernedParagraph(10).Add(Normal($"{c.Kg.AtKg.Name} ")).Add(Normal($"({c.Kg.AtKg.KgNr:00000})", 8))))
+                        .AddCell(NewTd(c.Rd?.Name))
                         .AddCell(NewTd(Regex.Replace(areaCom.GstNr.Replace(",", ", ").Replace("-", "\u2013"), @"\s+", " "), 10))
                         .AddCell(NewTd($"{areaCom.Area:N0}", right: true))
                         .AddCell(NewTd(areaCom.WineCult?.Name, center: true))
-                        .AddCell(NewTd(areaCom.YearTo == null ? (areaCom.YearFrom == null ? "unbefristet" : $"ab {areaCom.YearFrom}") : (areaCom.YearFrom == null ? $"bis {areaCom.YearTo}" : $"{areaCom.YearFrom}–{areaCom.YearTo}"), center: true));
+                        .AddCell(NewTd(c.YearTo == null ? (c.YearFrom == null ? "unbefristet" : $"ab {c.YearFrom}") : (c.YearFrom == null ? $"bis {c.YearTo}" : $"{c.YearFrom}–{c.YearTo}"), center: true));
                     lastContract = contractType.Type.DisplayName;
                 }
             }
 
             tbl.AddCell(NewTd("Gesamt:", 12, colspan: 2, bold: true, borderTop: true).SetPaddingsMM(1, 1, 1, 1));
-            tbl.AddCell(NewTd($"{ActiveAreaCommitments.Sum(a => a.Area):N0}", 12, colspan: 2, right: true, bold: true, borderTop: true).SetPaddingsMM(1, 1, 1, 1));
+            tbl.AddCell(NewTd($"{activeAreaComs.Sum(a => a.Area):N0}", 12, colspan: 2, right: true, bold: true, borderTop: true).SetPaddingsMM(1, 1, 1, 1));
             tbl.AddCell(NewTd(colspan: 2, borderTop: true).SetPaddingsMM(1, 1, 1, 1));
 
             return tbl;

Elwig/Documents/PaymentVariantSummary.cs

@@ -7,40 +7,60 @@ using iText.Kernel.Pdf;
 using iText.Layout.Borders;
 using iText.Layout.Element;
 using iText.Layout.Properties;
+using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 
 namespace Elwig.Documents {
     public class PaymentVariantSummary : Document {
 
         public new static string Name => "Auszahlungsvariante";
 
-        public PaymentVariantSummaryData Data;
+        public PaymentVariantSummaryData? Data;
         public PaymentVar Variant;
         public BillingData BillingData;
         public string CurrencySymbol;
         public int MemberNum;
         public int DeliveryNum;
         public int DeliveryPartNum;
-        public List<ModifierStat> ModifierStat;
+        public List<ModifierStat>? ModifierStat;
-        public Dictionary<string, Modifier> Modifiers;
+        public Dictionary<string, Modifier>? Modifiers;
 
-        public PaymentVariantSummary(PaymentVar v, PaymentVariantSummaryData data) :
+        private List<Credit> _credits = [];
+        private List<PaymentDeliveryPart> _parts = [];
+
+        public PaymentVariantSummary(PaymentVar v, PaymentVariantSummaryData? data = null) :
             base($"{Name} {v.Year} - {v.Name}") {
             Variant = v;
             BillingData = BillingData.FromJson(v.Data);
             Data = data;
             CurrencySymbol = v.Season.Currency.Symbol ?? v.Season.Currency.Code;
-            MemberNum = v.Credits.Count;
+        }
+
+        public static async Task<PaymentVariantSummary> Initialize(int year, int avnr, PaymentVariantSummaryData? data = null) {
+            using var ctx = new AppDbContext();
+            var v = await ctx.PaymentVariants
+                .Where(v => v.Year == year && v.AvNr == avnr)
+                .SingleAsync();
+            return new PaymentVariantSummary(v, data);
+        }
+
+        protected override async Task LoadData(AppDbContext ctx) {
+            _credits = await ctx.Credits.Where(c => c.Year == Variant.Year && c.AvNr == Variant.AvNr).ToListAsync();
+            _parts = await ctx.PaymentDeliveryParts.Where(p => p.Year == Variant.Year && p.AvNr == Variant.AvNr).ToListAsync();
+            MemberNum = _credits.Count;
             IsPreview = MemberNum == 0;
-            DeliveryNum = v.DeliveryPartPayments.DistinctBy(p => p.DeliveryPart.Delivery).Count();
+            DeliveryNum = await ctx.Deliveries.Where(d => d.Year == Variant.Year).CountAsync();
-            DeliveryPartNum = v.DeliveryPartPayments.Count;
+            DeliveryPartNum = await ctx.DeliveryParts.Where(d => d.Year == Variant.Year).CountAsync();
-            ModifierStat = AppDbContext.GetModifierStats(v.Year, v.AvNr).GetAwaiter().GetResult();
+            Data ??= await PaymentVariantSummaryData.ForPaymentVariant(Variant, ctx.PaymentVariantSummaryRows);
-            Modifiers = v.Season.Modifiers.ToDictionary(m => m.ModId);
+            ModifierStat = await AppDbContext.GetModifierStats(Variant.Year, Variant.AvNr);
+            Modifiers = await ctx.FetchModifiers(Variant.Year).ToDictionaryAsync(m => m.ModId);
         }
 
         protected override void RenderBody(iText.Layout.Document doc, PdfDocument pdf) {
+            if (Data == null || Modifiers == null || ModifierStat == null) throw new Exception("Call LoadData before RenderBody");
             base.RenderBody(doc, pdf);
             doc.Add(new KernedParagraph($"{Name} Lese {Variant.Year}", 24)
                 .SetTextAlignment(TextAlignment.CENTER).SetFont(BF)
@@ -48,10 +68,10 @@ namespace Elwig.Documents {
             doc.Add(new KernedParagraph(Variant.Name, 14)
                 .SetTextAlignment(TextAlignment.CENTER).SetFont(BF)
                 .SetMarginsMM(0, 0, 10, 0));
-            doc.Add(NewVariantStatTable().SetMarginBottomMM(10));
+            doc.Add(NewVariantStatTable(Data).SetMarginBottomMM(10));
-            doc.Add(NewModifierStatTable());
+            doc.Add(NewModifierStatTable(Modifiers, ModifierStat));
             doc.Add(new AreaBreak(AreaBreakType.NEXT_PAGE));
-            doc.Add(NewPriceTable());
+            doc.Add(NewPriceTable(Data));
         }
 
         protected Cell NewSectionHdr(string text, int colspan = 1, bool borderLeft = false) {
@@ -67,33 +87,33 @@ namespace Elwig.Documents {
                 .SetBorderLeft(borderLeft ? new SolidBorder(BorderThickness) : Border.NO_BORDER);
         }
 
-        protected Table NewVariantStatTable() {
+        protected Table NewVariantStatTable(PaymentVariantSummaryData data) {
             var tbl = new Table(ColsMM(20, 30, 4.5, 4.5, 23.5, 47.5, 15, 20))
                 .SetWidth(UnitValue.CreatePercentValue(100)).SetFixedLayout()
                 .SetBorderCollapse(BorderCollapsePropertyValue.COLLAPSE)
                 .SetBorder(new SolidBorder(BorderThickness));
 
-            //var sum1 = Variant.DeliveryPartPayments.Sum(p => p.NetAmount);
+            //var sum1 = _parts.Sum(p => p.NetAmount);
-            //var sum2 = Variant.Credits.Sum(p => p.);  //Variant.MemberPayments.Sum(p => p.Amount);
+            //var sum2 = _credits.Sum(p => p.);  //Variant.MemberPayments.Sum(p => p.Amount);
-            var deliveryModifiers = Variant.DeliveryPartPayments.Sum(p => p.Amount - p.NetAmount);
+            var deliveryModifiers = _parts.Sum(p => p.Amount - p.NetAmount);
-            var memberModifiers = Variant.Credits.Sum(c => c.Payment.Amount - c.Payment.NetAmount);
+            var memberModifiers = _credits.Sum(c => c.Payment.Amount - c.Payment.NetAmount);
-            var sum2 = Variant.Credits.Sum(p => p.NetAmount);
+            var sum2 = _credits.Sum(p => p.NetAmount);
             var sum1 = sum2 - deliveryModifiers - memberModifiers;
-            var payed = -Variant.Credits.Sum(p => p.PrevNetAmount ?? 0m);
+            var payed = -_credits.Sum(p => p.PrevNetAmount ?? 0m);
-            var netSum = Variant.Credits.Sum(p => p.NetAmount) - Variant.Credits.Sum(p => p.PrevNetAmount ?? 0m);
+            var netSum = _credits.Sum(p => p.NetAmount) - _credits.Sum(p => p.PrevNetAmount ?? 0m);
-            var vat = Variant.Credits.Sum(p => p.VatAmount);
+            var vat = _credits.Sum(p => p.VatAmount);
-            var grossSum = Variant.Credits.Sum(p => p.GrossAmount);
+            var grossSum = _credits.Sum(p => p.GrossAmount);
-            var totalMods = Variant.Credits.Sum(p => p.Modifiers ?? 0m);
+            var totalMods = _credits.Sum(p => p.Modifiers ?? 0m);
-            var considered = -Variant.Credits.Sum(p => p.PrevModifiers ?? 0m);
+            var considered = -_credits.Sum(p => p.PrevModifiers ?? 0m);
-            var totalSum = Variant.Credits.Sum(p => p.Amount);
+            var totalSum = _credits.Sum(p => p.Amount);
 
-            var weiRows = Data.Rows.Where(r => r.QualityLevel == "Wein");
+            var weiRows = data.Rows.Where(r => r.QualityLevel == "Wein");
             var minWei = weiRows.Min(r => r.Ungeb.MinPrice);
             var maxWei = weiRows.Max(r => r.Ungeb.MaxPrice);
-            var quwRows = Data.Rows.Where(r => r.QualityLevel != "Wein");
+            var quwRows = data.Rows.Where(r => r.QualityLevel != "Wein");
             var minPrice = quwRows.Min(r => r.Ungeb.MinPrice);
             var maxPrice = quwRows.Max(r => r.Ungeb.MaxPrice);
-            var gebRows = Data.Rows
+            var gebRows = data.Rows
                        .Where(r => r.Geb.MaxPrice != null && r.Ungeb.MinPrice != null)
                        .Select(r => r.Geb.MaxPrice - r.Ungeb.MinPrice);
             var minGeb = gebRows.Min();
@@ -191,26 +211,26 @@ namespace Elwig.Documents {
                 .AddCell(NewTd(CurrencySymbol))
                 .AddCell(NewTd($"{Math.Abs(totalMods):N2}", right: true))
                 .AddCell(NewSectionTh("Menge (ungebunden):", borderLeft: true, borderTop: true))
-                .AddCell(NewTd($"{Data.Rows.Sum(r => r.Ungeb.Weight):N0} kg", colspan: 2, right: true, borderTop: true))
+                .AddCell(NewTd($"{data.Rows.Sum(r => r.Ungeb.Weight):N0} kg", colspan: 2, right: true, borderTop: true))
 
                 .AddCell(NewSectionTh("Bereits berücksichtigte Abzüge:", colspan: 2))
                 .AddCell(NewTd(Utils.GetSign(considered)))
                 .AddCell(NewTd(CurrencySymbol))
                 .AddCell(NewTd($"{Math.Abs(considered):N2}", right: true))
                 .AddCell(NewSectionTh("Menge (gebunden):", borderLeft: true))
-                .AddCell(NewTd($"{Data.Rows.Sum(r => r.Geb.Weight + r.LowGeb.Weight):N0} kg", colspan: 2, right: true))
+                .AddCell(NewTd($"{data.Rows.Sum(r => r.Geb.Weight + r.LowGeb.Weight):N0} kg", colspan: 2, right: true))
 
                 .AddCell(NewSectionTh("Auszahlungsbetrag:", colspan: 2))
                 .AddCell(NewTd(borderTop: true))
                 .AddCell(NewTd(CurrencySymbol, borderTop: true))
                 .AddCell(NewTd($"{totalSum:N2}", right: true, borderTop: true))
                 .AddCell(NewSectionTh("Gesamtmenge:", borderLeft: true))
-                .AddCell(NewTd($"{Data.Rows.Sum(r => r.Ungeb.Weight + r.LowGeb.Weight + r.Geb.Weight):N0} kg", colspan: 2, right: true, borderTop: true));
+                .AddCell(NewTd($"{data.Rows.Sum(r => r.Ungeb.Weight + r.LowGeb.Weight + r.Geb.Weight):N0} kg", colspan: 2, right: true, borderTop: true));
 
             return tbl;
         }
 
-        protected Table NewModifierStatTable() {
+        protected Table NewModifierStatTable(Dictionary<string, Modifier> modifiers, IEnumerable<ModifierStat> modStat) {
             var tbl = new Table(ColsMM(35, 30, 25, 25, 25, 25))
                 .SetWidth(UnitValue.CreatePercentValue(100)).SetFixedLayout()
                 .SetBorderCollapse(BorderCollapsePropertyValue.COLLAPSE)
@@ -228,8 +248,8 @@ namespace Elwig.Documents {
                 .AddCell(NewTh($"[{CurrencySymbol}]"))
                 .AddCell(NewTh($"[{CurrencySymbol}]"));
 
-            foreach (var m in ModifierStat) {
+            foreach (var m in modStat) {
-                var mod = Modifiers[m.ModId];
+                var mod = modifiers[m.ModId];
                 tbl.AddCell(NewTd(mod.Name, italic: true))
                     .AddCell(NewTd(mod.ValueStr, right: true))
                     .AddCell(NewTd($"{m.Count:N0}", right: true))
@@ -241,7 +261,7 @@ namespace Elwig.Documents {
             return tbl;
         }
 
-        protected Table NewPriceTable() {
+        protected Table NewPriceTable(PaymentVariantSummaryData data) {
             var tbl = new Table(ColsMM(25, 19, 18, 15, 18, 15, 18, 15, 22))
                .SetWidth(UnitValue.CreatePercentValue(100)).SetFixedLayout()
                .SetBorderCollapse(BorderCollapsePropertyValue.COLLAPSE);
@@ -262,10 +282,10 @@ namespace Elwig.Documents {
                 .AddHeaderCell(NewTh($"[{CurrencySymbol}]"));
 
             string? lastHdr = null;
-            foreach (var row in Data.Rows) {
+            foreach (var row in data.Rows) {
                 var hdr = $"{row.Variety}{(row.Attribute != null ? " / " : "")}{row.Attribute}{(row.Cultivation != null ? " / " : "")}{row.Cultivation}";
                 if (lastHdr != hdr) {
-                    var rows = Data.Rows
+                    var rows = data.Rows
                         .Where(r => r.Variety == row.Variety && r.Attribute == row.Attribute && r.Cultivation == row.Cultivation)
                         .ToList();
                     var border = lastHdr != null;

Elwig/Elwig.csproj

@@ -9,7 +9,7 @@
     <UseWindowsForms>true</UseWindowsForms>
     <PreserveCompilationContext>true</PreserveCompilationContext>
     <ApplicationIcon>Resources\Images\Elwig.ico</ApplicationIcon>
-    <Version>1.0.3.4</Version>
+    <Version>1.0.5.0</Version>
     <SatelliteResourceLanguages>de-AT</SatelliteResourceLanguages>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <ApplicationManifest>app.manifest</ApplicationManifest>
@@ -23,18 +23,17 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="bblanchon.PDFium.Win32" Version="148.0.7734" />
+    <PackageReference Include="bblanchon.PDFium.Win32" Version="148.0.7776" />
-    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
+    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.2" />
-    <PackageReference Include="itext" Version="9.5.0" />
+    <PackageReference Include="itext" Version="9.6.0" />
-    <PackageReference Include="itext.bouncy-castle-adapter" Version="9.5.0" />
+    <PackageReference Include="itext.bouncy-castle-adapter" Version="9.6.0" />
     <PackageReference Include="LinqKit" Version="1.3.11" />
     <PackageReference Include="MailKit" Version="4.15.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="10.0.5" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.5" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Ini" Version="10.0.5" />
     <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.3856.49" />
     <PackageReference Include="NJsonSchema" Version="11.5.2" />
-    <PackageReference Include="ScottPlot.WPF" Version="5.1.57" />
+    <PackageReference Include="ScottPlot.WPF" Version="5.1.58" />
     <PackageReference Include="SQLitePCLRaw.bundle_e_sqlite3" Version="3.0.2" />
     <PackageReference Include="System.IO.Hashing" Version="10.0.5" />
     <PackageReference Include="System.IO.Ports" Version="10.0.5" />

Elwig/Helpers/AppDbContext.cs

@@ -1,16 +1,19 @@
-using Microsoft.EntityFrameworkCore;
-using Elwig.Models.Entities;
-using System.Linq;
-using System.Threading.Tasks;
-using System.IO;
-using System;
-using System.Windows;
-using Microsoft.Extensions.Logging;
-using Microsoft.Data.Sqlite;
-using System.Text.RegularExpressions;
-using System.Collections.Generic;
 using Elwig.Models.Dtos;
+using Elwig.Models.Entities;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using ScottPlot.TickGenerators.Financial;
+using ScottPlot.TickGenerators.TimeUnits;
+using System;
+using System.Collections.Generic;
 using System.Data;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Media.Converters;
 
 namespace Elwig.Helpers {
 
@@ -48,6 +51,7 @@ namespace Elwig.Helpers {
         public DbSet<MemberTelNr> MemberTelephoneNrs { get; private set; }
         public DbSet<MemberEmailAddr> MemberEmailAddrs { get; private set; }
         public DbSet<MemberHistory> MemberHistory { get; private set; }
+        public DbSet<AreaComContract> AreaCommitmentContracts { get; private set; }
         public DbSet<AreaCom> AreaCommitments { get; private set; }
         public DbSet<Season> Seasons { get; private set; }
         public DbSet<DeliverySchedule> DeliverySchedules { get; private set; }
@@ -81,6 +85,70 @@ namespace Elwig.Helpers {
         public static string? ConnectionStringOverride { get; set; } = null;
         public static string ConnectionString => ConnectionStringOverride ?? $"Data Source=\"{App.Config.DatabaseFile}\"; Mode=ReadWrite; Foreign Keys=True; Cache=Default; Pooling=False";
 
+        private static readonly Func<AppDbContext, string?, bool, IAsyncEnumerable<Branch>> _compiledQueryBranches =
+            EF.CompileAsyncQuery<AppDbContext, string?, bool, Branch>((ctx, zwstid, includeWithoutMembers) => ctx.Branches
+                .Where(b => includeWithoutMembers || b.Members.Count > 0)
+                .Where(b => zwstid == null || b.ZwstId == zwstid)
+                .Include(b => b.PostalDest)
+                .OrderBy(b => b.Name));
+
+        private static readonly Func<AppDbContext, string?, IAsyncEnumerable<WineVar>> _compiledQueryWineVarieties =
+            EF.CompileAsyncQuery<AppDbContext, string?, WineVar>((ctx, sortid) => ctx.WineVarieties
+                .Where(v => sortid == null || v.SortId == sortid)
+                .OrderBy(v => v.Name));
+
+        private static readonly Func<AppDbContext, string?, bool, IAsyncEnumerable<WineAttr>> _compiledQueryWineAttributes =
+            EF.CompileAsyncQuery<AppDbContext, string?, bool, WineAttr>((ctx, attrid, includeNotActive) => ctx.WineAttributes
+                .Where(a => includeNotActive || a.IsActive)
+                .Where(a => attrid == null || a.AttrId == attrid)
+                .OrderBy(a => a.Name));
+
+        private static readonly Func<AppDbContext, string?, IAsyncEnumerable<WineCult>> _compiledQueryWineCultivations =
+            EF.CompileAsyncQuery<AppDbContext, string?, WineCult>((ctx, cultid) => ctx.WineCultivations
+                .Where(c => cultid == null || c.CultId == cultid)
+                .OrderBy(v => v.Name));
+
+        private static readonly Func<AppDbContext, bool, IAsyncEnumerable<WineQualLevel>> _compiledQueryWineQualityLevels =
+            EF.CompileAsyncQuery<AppDbContext, bool, WineQualLevel>((ctx, includePredicate) => ctx.WineQualityLevels
+                .Where(l => includePredicate || !l.IsPredicate)
+                .OrderBy(l => l.MinKmw));
+
+        private static readonly Func<AppDbContext, int?, bool, IAsyncEnumerable<Modifier>> _compiledQueryModifiers =
+            EF.CompileAsyncQuery<AppDbContext, int?, bool, Modifier>((ctx, year, incudeNotActive) => ctx.Modifiers
+                .Where(m => (year == null || m.Year == year) && (incudeNotActive || m.IsActive))
+                .OrderBy(m => m.Year).ThenBy(m => m.Ordering).ThenBy(m => m.Name));
+
+        private static readonly Func<AppDbContext, int?, bool, IAsyncEnumerable<Member>> _compiledQueryMembers =
+            EF.CompileAsyncQuery<AppDbContext, int?, bool, Member>((ctx, mgnr, includeNotActive) => ctx.Members
+                .Where(m => includeNotActive || m.IsActive)
+                .Where(m => mgnr == null || m.MgNr == mgnr)
+                .OrderBy(m => m.Name).ThenBy(m => m.GivenName).ThenBy(m => m.MgNr));
+
+        private static readonly Func<AppDbContext, int?, bool, IAsyncEnumerable<Member>> _compiledQueryMembersContactInfo =
+            EF.CompileAsyncQuery<AppDbContext, int?, bool, Member>((ctx, mgnr, includeNotActive) => ctx.Members
+                .Where(m => includeNotActive || m.IsActive)
+                .Where(m => mgnr == null || m.MgNr == mgnr)
+                .Include(m => m.EmailAddresses)
+                .Include(m => m.TelephoneNumbers)
+                .OrderBy(m => m.Name).ThenBy(m => m.GivenName).ThenBy(m => m.MgNr)
+                .AsSplitQuery());
+
+        private static readonly Func<AppDbContext, int?, IAsyncEnumerable<AreaCom>> _compiledQueryAreaCommitments =
+            EF.CompileAsyncQuery<AppDbContext, int?, AreaCom>((ctx, fbnr) => ctx.AreaCommitments
+                .Where(c => fbnr == null || c.FbNr == fbnr)
+                .OrderBy(c => c.FbNr).ThenBy(c => c.RevNr));
+
+        private static readonly Func<AppDbContext, int?, IAsyncEnumerable<Season>> _compiledQuerySeasons =
+            EF.CompileAsyncQuery<AppDbContext, int?, Season>((ctx, year) => ctx.Seasons
+                .Where(s => year == null || s.Year == year)
+                .OrderByDescending(s => s.Year));
+
+        private static readonly Func<AppDbContext, int?, IAsyncEnumerable<Season>> _compiledQuerySeasonsModifiers =
+            EF.CompileAsyncQuery<AppDbContext, int?, Season>((ctx, year) => ctx.Seasons
+                .Where(s => year == null || s.Year == year)
+                .Include(s => s.Modifiers)
+                .OrderByDescending(s => s.Year));
+
         private readonly Dictionary<int, Dictionary<int, Dictionary<string, AreaComBucket>>> _memberAreaCommitmentBuckets = [];
         private readonly Dictionary<int, Dictionary<int, Dictionary<string, int>>> _memberDeliveryBuckets = [];
         private readonly Dictionary<int, Dictionary<int, Dictionary<string, int>>> _memberDeliveryBucketsStrict = [];
@@ -118,11 +186,55 @@ namespace Elwig.Helpers {
 
         protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) {
             optionsBuilder.UseSqlite(ConnectionString);
-            optionsBuilder.UseLazyLoadingProxies();
             optionsBuilder.LogTo(Log, LogLevel.Information);
             base.OnConfiguring(optionsBuilder);
         }
 
+        protected override void OnModelCreating(ModelBuilder modelBuilder) {
+            modelBuilder.Entity<WbKg>().Navigation(k => k.AtKg).AutoInclude();
+            modelBuilder.Entity<WbKg>().Navigation(k => k.Gl).AutoInclude();
+            modelBuilder.Entity<AT_Kg>().Navigation(k => k.Gem).AutoInclude();
+            modelBuilder.Entity<PostalDest>().Navigation(p => p.Country).AutoInclude();
+            modelBuilder.Entity<PostalDest>().Navigation(p => p.AtPlz).AutoInclude();
+            modelBuilder.Entity<AT_PlzDest>().Navigation(p => p.AtPlz).AutoInclude();
+            modelBuilder.Entity<AT_PlzDest>().Navigation(p => p.Ort).AutoInclude();
+            modelBuilder.Entity<Member>().Navigation(m => m.DefaultWbKg).AutoInclude();
+            modelBuilder.Entity<Member>().Navigation(m => m.Country).AutoInclude();
+            modelBuilder.Entity<Member>().Navigation(m => m.PostalDest).AutoInclude();
+            modelBuilder.Entity<Member>().Navigation(m => m.BillingAddress).AutoInclude();
+            modelBuilder.Entity<BillingAddr>().Navigation(a => a.Country).AutoInclude();
+            modelBuilder.Entity<BillingAddr>().Navigation(a => a.PostalDest).AutoInclude();
+            modelBuilder.Entity<Modifier>().Navigation(m => m.Season).AutoInclude();
+            modelBuilder.Entity<Season>().Navigation(s => s.Currency).AutoInclude();
+            modelBuilder.Entity<PaymentVar>().Navigation(v => v.Season).AutoInclude();
+            modelBuilder.Entity<PaymentDeliveryPart>().Navigation(p => p.Variant).AutoInclude();
+            modelBuilder.Entity<Credit>().Navigation(c => c.Payment).AutoInclude();
+            modelBuilder.Entity<Delivery>().Navigation(d => d.Member).AutoInclude();
+            modelBuilder.Entity<Delivery>().Navigation(d => d.Season).AutoInclude();
+            modelBuilder.Entity<Delivery>().Navigation(d => d.Branch).AutoInclude();
+            modelBuilder.Entity<DeliveryPart>().Navigation(p => p.Quality).AutoInclude();
+            modelBuilder.Entity<DeliveryPart>().Navigation(p => p.Variety).AutoInclude();
+            modelBuilder.Entity<DeliveryPart>().Navigation(p => p.Attribute).AutoInclude();
+            modelBuilder.Entity<DeliveryPart>().Navigation(p => p.Cultivation).AutoInclude();
+            modelBuilder.Entity<DeliveryPart>().Navigation(p => p.Kg).AutoInclude();
+            modelBuilder.Entity<DeliveryPart>().Navigation(p => p.Rd).AutoInclude();
+            modelBuilder.Entity<DeliveryPartModifier>().Navigation(m => m.Modifier).AutoInclude();
+            modelBuilder.Entity<AreaComContract>().Navigation(c => c.Kg).AutoInclude();
+            modelBuilder.Entity<AreaComContract>().Navigation(c => c.Rd).AutoInclude();
+            modelBuilder.Entity<AreaCom>().Navigation(c => c.Contract).AutoInclude();
+            modelBuilder.Entity<AreaCom>().Navigation(c => c.WineCult).AutoInclude();
+            modelBuilder.Entity<AreaCom>().Navigation(c => c.AreaComType).AutoInclude();
+            modelBuilder.Entity<AreaComType>().Navigation(c => c.WineVar).AutoInclude();
+            modelBuilder.Entity<AreaComType>().Navigation(c => c.WineAttr).AutoInclude();
+            modelBuilder.Entity<PaymentMember>().Navigation(c => c.Credit).AutoInclude();
+            modelBuilder.Entity<PaymentMember>().Navigation(c => c.Member).AutoInclude();
+            modelBuilder.Entity<PaymentMember>().Navigation(c => c.Variant).AutoInclude();
+            modelBuilder.Entity<DeliveryAncmt>().Navigation(a => a.Member).AutoInclude();
+            modelBuilder.Entity<DeliveryAncmt>().Navigation(a => a.Schedule).AutoInclude();
+            modelBuilder.Entity<DeliveryAncmt>().Navigation(a => a.Variety).AutoInclude();
+            modelBuilder.Entity<DeliverySchedule>().Navigation(s => s.Branch).AutoInclude();
+        }
+
         public override void Dispose() {
             base.Dispose();
             LogFile?.Dispose();
@@ -138,23 +250,23 @@ namespace Elwig.Helpers {
         }
 
         public async Task<bool> MgNrExists(int mgnr) {
-            return await Members.FindAsync(mgnr) != null;
+            return await _compiledQueryMembers.Invoke(this, mgnr, true).AnyAsync();
         }
 
         public async Task<bool> FbNrExists(int fbnr) {
-            return await AreaCommitments.FindAsync(fbnr) != null;
+            return await _compiledQueryAreaCommitments.Invoke(this, fbnr).AnyAsync();
         }
 
         public async Task<bool> SortIdExists(string sortId) {
-            return await WineVarieties.FindAsync(sortId) != null;
+            return await _compiledQueryWineVarieties.Invoke(this, sortId).AnyAsync();
         }
 
         public async Task<bool> AttrIdExists(string attrId) {
-            return await WineAttributes.FindAsync(attrId) != null;
+            return await _compiledQueryWineAttributes.Invoke(this, attrId, true).AnyAsync();
         }
 
         public async Task<bool> CultIdExists(string cultId) {
-            return await WineCultivations.FindAsync(cultId) != null;
+            return await _compiledQueryWineCultivations.Invoke(this, cultId).AnyAsync();
         }
 
         public async Task<int> NextMgNr() {
@@ -166,87 +278,113 @@ namespace Elwig.Helpers {
 
         public async Task<int> NextFbNr() {
             int c = 0;
-            (await AreaCommitments.OrderBy(ac => ac.FbNr).Select(ac => ac.FbNr).ToListAsync())
+            (await AreaCommitmentContracts.OrderBy(ac => ac.FbNr).Select(ac => ac.FbNr).ToListAsync())
                 .ForEach(a => { if (a <= c + 10000) c = a; });
             return c + 1;
         }
 
+        public async Task<int> NextRevNr(int fbnr) {
+            return (await AreaCommitments.Where(c => c.FbNr == fbnr).Select(c => (int?)c.RevNr).MaxAsync() ?? 0) + 1;
+        }
+
         public async Task<int> NextLNr(DateOnly date, string zwstid) {
             var dateStr = date.ToString("yyyy-MM-dd");
-            int c = 0;
+            return (await Deliveries.Where(d => d.DateString == dateStr && d.ZwstId == zwstid).Select(d => (int?)d.LNr).MaxAsync() ?? 0) + 1;
-            (await Deliveries.Where(d => d.DateString == dateStr && d.ZwstId == zwstid).Select(d => d.LNr).ToListAsync())
-                .ForEach(a => { if (a <= c + 100) c = a; });
-            return c + 1;
         }
 
         public async Task<int> NextDId(int year) {
-            int c = 0;
+            return (await Deliveries.Where(d => d.Year == year).Select(d => (int?)d.DId).MaxAsync() ?? 0) + 1;
-            (await Deliveries.Where(d => d.Year == year).Select(d => d.DId).ToListAsync())
-                .ForEach(a => { if (a <= c + 100) c = a; });
-            return c + 1;
         }
 
         public async Task<int> NextDPNr(int year, int did) {
-            int c = 0;
+            return (await DeliveryParts.Where(p => p.Year == year && p.DId == did).Select(p => (int?)p.DPNr).MaxAsync() ?? 0) + 1;
-            (await DeliveryParts.Where(p => p.Year == year && p.DId == did).Select(d => d.DPNr).ToListAsync())
-                .ForEach(a => { if (a <= c + 100) c = a; });
-            return c + 1;
         }
 
         public async Task<int> NextRdNr(int kgnr) {
-            int c = 0;
+            return (await WbRde.Where(r => r.KgNr == kgnr).Select(r => (int?)r.RdNr).MaxAsync() ?? 0) + 1;
-            (await WbRde.Where(r => r.KgNr == kgnr).Select(r => r.RdNr).ToListAsync())
-                .ForEach(a => { if (a <= c + 100) c = a; });
-            return c + 1;
         }
 
         public async Task<int> NextAvNr(int year) {
-            int c = 0;
+            return (await PaymentVariants.Where(v => v.Year == year).Select(v => (int?)v.AvNr).MaxAsync() ?? 0) + 1;
-            (await PaymentVariants.Where(v => v.Year == year).Select(v => v.AvNr).ToListAsync())
-                .ForEach(a => { if (a <= c + 100) c = a; });
-            return c + 1;
         }
 
         public async Task<int> NextDsNr(int year) {
-            int c = 0;
+            return (await DeliverySchedules.Where(s => s.Year == year).Select(v => (int?)v.DsNr).MaxAsync() ?? 0) + 1;
-            (await DeliverySchedules.Where(s => s.Year == year).Select(s => s.DsNr).ToListAsync())
-                .ForEach(a => { if (a <= c + 100) c = a; });
-            return c + 1;
         }
 
-        public void UpdateDeliveryPartModifiers(DeliveryPart part, IEnumerable<Modifier> oldModifiers, IEnumerable<Modifier> newModifiers) {
+        public IAsyncEnumerable<Branch> FetchBranches(string? zwstid = null, bool includeWithoutMembers = true) {
-            foreach (var m in Modifiers.Where(m => m.Year == part.Year)) {
+            return _compiledQueryBranches.Invoke(this, zwstid, includeWithoutMembers);
+        }
+
+        public IAsyncEnumerable<WineVar> FetchWineVarieties() {
+            return _compiledQueryWineVarieties.Invoke(this, null);
+        }
+
+        public IAsyncEnumerable<WineAttr> FetchWineAttributes(bool incudeNotActive = true) {
+            return _compiledQueryWineAttributes.Invoke(this, null, incudeNotActive);
+        }
+
+        public IAsyncEnumerable<WineCult> FetchWineCultivations() {
+            return _compiledQueryWineCultivations.Invoke(this, null);
+        }
+
+        public IAsyncEnumerable<WineQualLevel> FetchWineQualityLevels(bool includePredicate = true) {
+            return _compiledQueryWineQualityLevels.Invoke(this, includePredicate);
+        }
+
+        public IAsyncEnumerable<Modifier> FetchModifiers(int? year, bool incudeNotActive = true) {
+            return _compiledQueryModifiers.Invoke(this, year, incudeNotActive);
+        }
+
+        public IAsyncEnumerable<Member> FetchMembers(int? mgnr = null, bool includeNotActive = false, bool includeContactInfo = false) {
+            if (includeContactInfo) {
+                return _compiledQueryMembersContactInfo.Invoke(this, mgnr, includeNotActive);
+            } else {
+                return _compiledQueryMembers.Invoke(this, mgnr, includeNotActive);
+            }
+        }
+
+        public IAsyncEnumerable<Season> FetchSeasons(int? year = null, bool includeModifiers = false) {
+            if (includeModifiers) {
+                return _compiledQuerySeasonsModifiers.Invoke(this, year);
+            } else {
+                return _compiledQuerySeasons.Invoke(this, year);
+            }
+        }
+
+        public async Task UpdateDeliveryPartModifiers(DeliveryPart part, IEnumerable<string> oldModIds, IEnumerable<string> newModIds) {
+            foreach (var m in await FetchModifiers(part.Year).ToListAsync()) {
                 var mod = new DeliveryPartModifier {
                     Year = part.Year,
                     DId = part.DId,
                     DPNr = part.DPNr,
                     ModId = m.ModId,
                 };
-                var old = oldModifiers.Where(pa => pa.ModId == m.ModId).FirstOrDefault();
+                var old = oldModIds.Contains(m.ModId);
-                if (newModifiers.Any(md => md.ModId == m.ModId)) {
+                if (newModIds.Contains(m.ModId)) {
-                    if (old == null) {
+                    if (!old) {
                         Add(mod);
                     } else {
                         Update(mod);
                     }
                 } else {
-                    if (old != null) {
+                    if (old) {
                         Remove(mod);
                     }
                 }
             }
         }
 
-        public void UpdateDeliveryScheduleWineVarieties(DeliverySchedule schedule, IEnumerable<(WineVar, int)> oldVarieties, IEnumerable<(WineVar, int)> newVarieties) {
+        public async Task UpdateDeliveryScheduleWineVarieties(DeliverySchedule schedule, IEnumerable<(string, int)> oldVarieties, IEnumerable<(string, int)> newVarieties) {
-            foreach (var v in WineVarieties) {
+            foreach (var v in await FetchWineVarieties().ToArrayAsync()) {
                 var e = new DeliveryScheduleWineVar {
                     Year = schedule.Year,
                     DsNr = schedule.DsNr,
                     SortId = v.SortId,
                     Priority = 1,
                 };
-                var o = oldVarieties.Where(x => x.Item1.SortId == e.SortId).Select(x => x.Item2).FirstOrDefault(-1);
+                var o = oldVarieties.Where(x => x.Item1 == e.SortId).Select(x => x.Item2).FirstOrDefault(-1);
-                var n = newVarieties.Where(x => x.Item1.SortId == e.SortId).Select(x => x.Item2).FirstOrDefault(-1);
+                var n = newVarieties.Where(x => x.Item1 == e.SortId).Select(x => x.Item2).FirstOrDefault(-1);
                 if (n != -1) {
                     e.Priority = n;
                     if (o == -1) {
@@ -391,10 +529,12 @@ namespace Elwig.Helpers {
             var paymentBuckets = await GetMemberPaymentBuckets(year, mgnr, cnx);
             if (ownCnx) await cnx.DisposeAsync();
 
+            var varieties = await WineVarieties.ToDictionaryAsync(v => v.SortId);
+            var attributes = await WineAttributes.ToDictionaryAsync(a => a.AttrId);
             var buckets = new Dictionary<string, MemberBucket>();
             foreach (var id in rightsAndObligations.Keys.Union(deliveryBuckets.Keys).Union(paymentBuckets.Keys)) {
-                var variety = await WineVarieties.FindAsync(id[..2]);
+                var variety = varieties.GetValueOrDefault(id[..2]);
-                var attribute = await WineAttributes.FindAsync(id[2..]);
+                var attribute = attributes.GetValueOrDefault(id[2..]);
                 var name = (variety?.Name ?? "") + (id[2..] == "_" ? " (kein Qual.Wein)" : attribute != null ? $" ({attribute})" : "");
                 buckets[id] = new(
                     name,

Elwig/Helpers/AppDbUpdater.cs

@@ -9,7 +9,7 @@ namespace Elwig.Helpers {
     public static class AppDbUpdater {
 
         // Don't forget to update value in Tests/fetch-resources.bat!
-        public static readonly int RequiredSchemaVersion = 37;
+        public static readonly int RequiredSchemaVersion = 38;
 
         private static int VersionOffset = 0;
 

Elwig/Helpers/Billing/Billing.cs

@@ -1,6 +1,5 @@
 using Elwig.Models.Entities;
 using Microsoft.Data.Sqlite;
-using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Globalization;
@@ -16,13 +15,30 @@ namespace Elwig.Helpers.Billing {
         protected readonly Dictionary<string, (decimal?, decimal?)> Modifiers;
         protected readonly Dictionary<string, (string, string?, string?, int?, decimal?)> AreaComTypes;
 
-        public Billing(int year) {
+        protected Billing(int year, Season season,
+            Dictionary<string, string> attributes,
+            Dictionary<string, (decimal?, decimal?)> modifiers,
+            Dictionary<string, (string, string?, string?, int?, decimal?)> areaComTypes
+        ) {
             Year = year;
+            Season = season;
+            Attributes = attributes;
+            Modifiers = modifiers;
+            AreaComTypes = areaComTypes;
+        }
+
+        protected static async Task<(Season, Dictionary<string, string>, Dictionary<string, (decimal?, decimal?)>, Dictionary<string, (string, string?, string?, int?, decimal?)>)> LoadData(AppDbContext ctx, int year) {
+            var season = await ctx.FetchSeasons(year).SingleOrDefaultAsync() ?? throw new ArgumentException("Invalid season");
+            var attributes = await ctx.FetchWineAttributes().ToDictionaryAsync(a => a.AttrId, a => a.Name);
+            var modifiers = await ctx.FetchModifiers(year).ToDictionaryAsync(m => m.ModId, m => (m.Abs, m.Rel));
+            var areaComTypes = ctx.AreaCommitmentTypes.ToDictionary(v => v.VtrgId, v => (v.SortId, v.AttrId, v.Discriminator, v.MinKgPerHa, v.PenaltyAmount));
+            return (season, attributes, modifiers, areaComTypes);
+        }
+
+        public static async Task<Billing> Create(int year) {
             using var ctx = new AppDbContext();
-            Season = ctx.Seasons.Find(Year)!;
+            var (season, attributes, modifiers, areaComTypes) = await LoadData(ctx, year);
-            Attributes = ctx.WineAttributes.ToDictionary(a => a.AttrId, a => a.Name);
+            return new Billing(year, season, attributes, modifiers, areaComTypes);
-            Modifiers = ctx.Modifiers.Where(m => m.Year == Year).Include(m => m.Season).ToDictionary(m => m.ModId, m => (m.Abs, m.Rel));
-            AreaComTypes = ctx.AreaCommitmentTypes.ToDictionary(v => v.VtrgId, v => (v.SortId, v.AttrId, v.Discriminator, v.MinKgPerHa, v.PenaltyAmount));
         }
 
         public async Task FinishSeason() {

Elwig/Helpers/Billing/BillingVariant.cs

@@ -10,17 +10,35 @@ namespace Elwig.Helpers.Billing {
     public class BillingVariant : Billing {
 
         protected readonly int AvNr;
-        protected readonly PaymentVar PaymentVariant;
+        protected PaymentVar PaymentVariant;
-        protected readonly PaymentBillingData Data;
+        protected PaymentBillingData Data;
 
-        public BillingVariant(int year, int avnr) : base(year) {
+        protected BillingVariant(int year, int avnr, Season season,
+            Dictionary<string, string> attributes,
+            Dictionary<string, (decimal?, decimal?)> modifiers,
+            Dictionary<string, (string, string?, string?, int?, decimal?)> areaComTypes,
+            PaymentVar paymentVar, PaymentBillingData data) :
+            base(year, season, attributes, modifiers, areaComTypes) {
             AvNr = avnr;
+            PaymentVariant = paymentVar;
+            Data = data;
+        }
+
+        protected static async Task<(PaymentVar, PaymentBillingData)> LoadData(AppDbContext ctx, int year, int avnr) {
+            var paymentVar = await ctx.PaymentVariants.Where(v => v.Year == year && v.AvNr == avnr).SingleAsync();
+            var data = PaymentBillingData.FromJson(paymentVar.Data, await Utils.GetVaributes(ctx, year, onlyDelivered: false));
+            return (paymentVar, data);
+        }
+
+        public static async Task<BillingVariant> Create(int year, int avnr) {
             using var ctx = new AppDbContext();
-            PaymentVariant = ctx.PaymentVariants.Include(v => v.Season).Where(v => v.Year == Year && v.AvNr == AvNr).Single() ?? throw new ArgumentException("PaymentVar not found");
+            var (season, attributes, modifiers, areaComTypes) = await LoadData(ctx, year);
-            Data = PaymentBillingData.FromJson(PaymentVariant.Data, Utils.GetVaributes(ctx, Year, onlyDelivered: false));
+            var (paymentVar, data) = await LoadData(ctx, year, avnr);
+            return new BillingVariant(year, avnr, season, attributes, modifiers, areaComTypes, paymentVar, data);
         }
 
         public async Task Calculate(bool strictPrices = true, bool? honorGebunden = null, bool? allowAttrsIntoLower = null, bool? avoidUnderDeliveries = null) {
+            if (PaymentVariant == null || Data == null) throw new Exception("Call Load before Calculate");
             using var cnx = await AppDbContext.ConnectAsync();
             using var tx = await cnx.BeginTransactionAsync();
             await CalculateBuckets(honorGebunden, allowAttrsIntoLower, avoidUnderDeliveries, cnx);

Elwig/Helpers/Billing/EditBillingData.cs

@@ -3,6 +3,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.Json.Nodes;
+using System.Threading.Tasks;
 
 namespace Elwig.Helpers.Billing {
     public class EditBillingData : BillingData {
@@ -70,14 +71,14 @@ namespace Elwig.Helpers.Billing {
             return (curves, dict3);
         }
 
-        private static List<GraphEntry> CreateGraphEntries(
+        private static async Task<List<GraphEntry>> CreateGraphEntries(
             AppDbContext ctx, int precision,
             Dictionary<int, Curve> curves,
             Dictionary<int, List<RawVaribute>> entries
         ) {
-            var vars = ctx.WineVarieties.ToDictionary(v => v.SortId, v => v);
+            var vars = await ctx.FetchWineVarieties().ToDictionaryAsync(v => v.SortId, v => v);
-            var attrs = ctx.WineAttributes.ToDictionary(a => a.AttrId, a => a);
+            var attrs = await ctx.FetchWineAttributes().ToDictionaryAsync(a => a.AttrId, a => a);
-            var cults = ctx.WineCultivations.ToDictionary(c => c.CultId, c => c);
+            var cults = await ctx.FetchWineCultivations().ToDictionaryAsync(c => c.CultId, c => c);
             return entries
                 .Select(e => new GraphEntry(e.Key, precision, curves[e.Key], e.Value
                     .Select(s => new Varibute(s, vars, attrs, cults))
@@ -85,18 +86,18 @@ namespace Elwig.Helpers.Billing {
                 .ToList();
         }
 
-        public IEnumerable<GraphEntry> GetPaymentGraphEntries(AppDbContext ctx, Season season) {
+        public async Task<IEnumerable<GraphEntry>> GetPaymentGraphEntries(AppDbContext ctx, Season season) {
             var root = GetPaymentEntry();
             var (curves, entries) = GetGraphEntries(root);
-            return CreateGraphEntries(ctx, season.Precision, curves, entries).Where(e => e.Vaributes.Count > 0);
+            return (await CreateGraphEntries(ctx, season.Precision, curves, entries)).Where(e => e.Vaributes.Count > 0);
         }
 
-        public IEnumerable<GraphEntry> GetQualityGraphEntries(AppDbContext ctx, Season season, int idOffset = 0) {
+        public async Task<IEnumerable<GraphEntry>> GetQualityGraphEntries(AppDbContext ctx, Season season, int idOffset = 0) {
             var root = GetQualityEntry();
             if (root == null || root["WEI"] is not JsonNode qualityWei)
                 return [];
             var (curves, entries) = GetGraphEntries(qualityWei);
-            var list = CreateGraphEntries(ctx, season.Precision, curves, entries).Where(e => e.Vaributes.Count > 0);
+            var list = (await CreateGraphEntries(ctx, season.Precision, curves, entries)).Where(e => e.Vaributes.Count > 0);
             foreach (var e in list) {
                 e.Id += idOffset;
                 e.Abgewertet = true;

Elwig/Helpers/Export/ElwigData.cs

@@ -41,7 +41,7 @@ namespace Elwig.Helpers.Export {
                 List<WbGl> currentWbGls;
 
                 using (var ctx = new AppDbContext()) {
-                    branches = await ctx.Branches.ToDictionaryAsync(b => b.ZwstId);
+                    branches = await ctx.FetchBranches().ToDictionaryAsync(b => b.ZwstId);
                     currentDids = await ctx.Deliveries
                         .GroupBy(d => d.Year)
                         .ToDictionaryAsync(g => g.Key, g => g.Max(d => d.DId));
@@ -60,13 +60,14 @@ namespace Elwig.Helpers.Export {
                     List<MemberTelNr> TelephoneNumbers,
                     List<MemberEmailAddr> EmailAddresses,
                     List<AreaCom> AreaCommitments,
+                    List<AreaComContract> Contracts,
                     List<WbRd> Riede,
                     List<WbKg> WbKgs,
                     List<WbGl> WbGls,
                     List<Delivery> Deliveries,
                     List<DeliveryPart> DeliveryParts,
                     List<DeliveryPartModifier> Modifiers,
-                    Dictionary<string, List<(int Id1, int Id2, DateTime CreatedAt, DateTime ModifiedAt)>> Timestamps)>();
+                    Dictionary<string, List<(int Id1, int Id2, int Id3, DateTime CreatedAt, DateTime ModifiedAt)>> Timestamps)>();
 
                 var metaData = new List<(string FileName, string ZwstId, string Device,
                     int? MemberNum, string? MemberFilters,
@@ -75,10 +76,12 @@ namespace Elwig.Helpers.Export {
 
                 foreach (var filename in filenames) {
                     try {
-                        data.Add(new([], [], [], [], [], [], [], new([], [], [], [], new() {
+                        data.Add(new([], [], [], [], [], [], [], new([], [], [], [], [], new() {
                             ["member"] = [],
+                            ["area_commitment_contract"] = [],
                             ["area_commitment"] = [],
                             ["delivery"] = [],
+                            ["delivery_part"] = [],
                         })));
                         var r = data[^1];
 
@@ -86,9 +89,11 @@ namespace Elwig.Helpers.Export {
                         using var zip = ZipFile.Open(filename, ZipArchiveMode.Read);
                         await zip.CheckIntegrity();
 
+                        string[] acceptableVersions = ["1", "2"];
                         var version = zip.GetEntry("version");
                         using (var reader = new StreamReader(version!.Open(), Utils.UTF8)) {
-                            if (await reader.ReadToEndAsync() != "elwig:1")
+                            var v = await reader.ReadToEndAsync();
+                            if (!v.StartsWith("elwig:") || !acceptableVersions.Contains(v[6..]))
                                 throw new FileFormatException($"Ungültige Elwig-Export-Datei ({filename})");
                         }
 
@@ -96,8 +101,8 @@ namespace Elwig.Helpers.Export {
                         var meta = await JsonNode.ParseAsync(metaJson!.Open());
                         var memberCount = meta!["members"]?["count"]?.AsValue().GetValue<int>();
                         var memberFilters = meta!["members"]?["filters"]?.AsArray().Select(f => f!.AsValue().GetValue<string>()).ToArray();
-                        var areaComCount = meta!["area_commitments"]?["count"]?.AsValue().GetValue<int>();
+                        var areaComCount = meta!["area_commitment_contracts"]?["count"]?.AsValue().GetValue<int>();
-                        var areaComFilters = meta!["area_commitments"]?["filters"]?.AsArray().Select(f => f!.AsValue().GetValue<string>()).ToArray();
+                        var areaComFilters = meta!["area_commitment_contracts"]?["filters"]?.AsArray().Select(f => f!.AsValue().GetValue<string>()).ToArray();
                         var deliveryCount = meta!["deliveries"]?["count"]?.AsValue().GetValue<int>();
                         var deliveryFilters = meta!["deliveries"]?["filters"]?.AsArray().Select(f => f!.AsValue().GetValue<string>()).ToArray();
                         metaData.Add((Path.GetFileName(filename),
@@ -133,23 +138,48 @@ namespace Elwig.Helpers.Export {
                                 r.TelephoneNumbers.AddRange(telNrs);
                                 r.EmailAddresses.AddRange(emailAddrs);
                                 if (timestamps.HasValue)
-                                    r.Timestamps["member"].Add((m.MgNr, 0, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt));
+                                    r.Timestamps["member"].Add((m.MgNr, 0, 0, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt));
                             }
                         }
 
+                        // legacy area commitments
                         var areaComsJson = zip.GetEntry("area_commitments.json");
                         if (areaComsJson != null) {
                             using var reader = new StreamReader(areaComsJson.Open(), Utils.UTF8);
                             string? line;
                             while ((line = await reader.ReadLineAsync()) != null) {
                                 var obj = JsonNode.Parse(line)!.AsObject();
-                                var (areaCom, wbrd, timestamps) = obj.ToAreaCom(currentWbRde);
+                                var (contract, areaCom, wbrd, timestamps) = obj.ToAreaCom(currentWbRde);
+                                r.Contracts.Add(contract);
                                 r.AreaCommitments.Add(areaCom);
                                 if (wbrd != null) {
                                     r.Riede.Add(wbrd);
                                 }
+                                if (timestamps.HasValue) {
+                                    r.Timestamps["area_commitment_contract"].Add((contract.FbNr, 0, 0, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt));
+                                    r.Timestamps["area_commitment"].Add((areaCom.FbNr, areaCom.RevNr, 0, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt));
+                                }
+                            }
+                        }
+
+                        var contractsJson = zip.GetEntry("area_commitment_contracts.json");
+                        if (contractsJson != null) {
+                            using var reader = new StreamReader(contractsJson.Open(), Utils.UTF8);
+                            string? line;
+                            while ((line = await reader.ReadLineAsync()) != null) {
+                                var obj = JsonNode.Parse(line)!.AsObject();
+                                var (contract, areaComs, wbrd, timestamps) = obj.ToAreaComContract(currentWbRde);
+                                r.Contracts.Add(contract);
+                                r.AreaCommitments.AddRange(areaComs.Select(v => v.Item1));
+                                if (wbrd != null) {
+                                    r.Riede.Add(wbrd);
+                                }
                                 if (timestamps.HasValue)
-                                    r.Timestamps["area_commitment"].Add((areaCom.FbNr, 0, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt));
+                                    r.Timestamps["area_commitment_contract"].Add((contract.FbNr, 0, 0, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt));
+                                foreach (var (areaCom, ts) in areaComs) {
+                                    if (!ts.HasValue) continue;
+                                    r.Timestamps["area_commitment"].Add((areaCom.FbNr, areaCom.RevNr, 0, ts.Value.CreatedAt, ts.Value.ModifiedAt));
+                                }
                             }
                         }
 
@@ -161,11 +191,15 @@ namespace Elwig.Helpers.Export {
                                 var obj = JsonNode.Parse(line)!.AsObject();
                                 var (d, parts, mods, rde, timestamps) = obj.ToDelivery(currentLsNrs, currentDids, kgs, currentWbRde);
                                 r.Deliveries.Add(d);
-                                r.DeliveryParts.AddRange(parts);
+                                r.DeliveryParts.AddRange(parts.Select(p => p.Item1));
                                 r.Modifiers.AddRange(mods);
                                 r.Riede.AddRange(rde);
                                 if (timestamps.HasValue)
-                                    r.Timestamps["delivery"].Add((d.Year, d.DId, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt));
+                                    r.Timestamps["delivery"].Add((d.Year, d.DId, 0, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt));
+                                foreach (var (part, ts) in parts) {
+                                    if (!ts.HasValue) continue;
+                                    r.Timestamps["area_commitment"].Add((part.Year, part.DId, part.DPNr, ts.Value.CreatedAt, ts.Value.ModifiedAt));
+                                }
                             }
                         }
                     } catch (Exception exc) when (
@@ -189,11 +223,11 @@ namespace Elwig.Helpers.Export {
                     }
                 }
 
-                var importedMembers = new List<(string FileName, string ZwstId, string Device, int New, int Overwritten, int NotImported, string Filters)>();
+                var importedMembers = new List<(string FileName, string ZwstId, string Device, int New, int Overwritten, int NotImported, string? Filters)>();
-                var importedAreaComs = new List<(string FileName, string ZwstId, string Device, int Imported, int NotImported, string Filters)>();
+                var importedAreaComs = new List<(string FileName, string ZwstId, string Device, int New, int Overwritten, int NotImported, string? Filters)>();
-                var importedDeliveries = new List<(string FileName, string ZwstId, string Device, int New, int Overwritten, int NotImported, string Filters)>();
+                var importedDeliveries = new List<(string FileName, string ZwstId, string Device, int New, int Overwritten, int NotImported, string? Filters)>();
 
-                foreach (var ((members, billingAddresses, telephoneNumbers, emailAddresses, areaCommitments, riede, wbKgs, wbGls, deliveries, deliveryParts, modifiers, timestamps), meta) in data.Zip(metaData)) {
+                foreach (var ((members, billingAddresses, telephoneNumbers, emailAddresses, areaCommitments, contracts, riede, wbKgs, wbGls, deliveries, deliveryParts, modifiers, timestamps), meta) in data.Zip(metaData)) {
                     var branch = branches[meta.ZwstId];
                     var device = meta.Device;
 
@@ -220,11 +254,20 @@ namespace Elwig.Helpers.Export {
                     if (duplicateMgNrs.Count > 0)
                         importDuplicateMembers = ImportQuestion(branch.Name, device, "Mitglieder", true, duplicateMgNrs.Count);
 
-                    var fbnrs = areaCommitments.Select(c => c.FbNr).ToList();
+                    var fbnrs = contracts.Select(c => c.FbNr).ToList();
-                    var duplicateFbNrs = await ctx.AreaCommitments
+                    var duplicateFbNrs = await ctx.AreaCommitmentContracts
                         .Where(c => fbnrs.Contains(c.FbNr))
                         .Select(c => c.FbNr)
                         .ToListAsync();
+                    bool importNewContracts = false, importDuplicateContracts = false;
+                    if (mode == ImportMode.Interactively) {
+                        if (fbnrs.Count - duplicateFbNrs.Count > 0)
+                            importNewContracts = ImportQuestion(branch.Name, device, "Flächenbindungsverträge", false, fbnrs.Count - duplicateFbNrs.Count);
+                    } else {
+                        importNewContracts = true;
+                    }
+                    if (duplicateFbNrs.Count > 0)
+                        importDuplicateContracts = ImportQuestion(branch.Name, device, "Flächenbindungsverträge", true, duplicateFbNrs.Count);
 
                     var lsnrs = deliveries.Select(d => d.LsNr).ToList();
                     var duplicateLsNrs = await ctx.Deliveries
@@ -258,40 +301,47 @@ namespace Elwig.Helpers.Export {
                             importDuplicateDeliveries = ImportQuestion(branch.Name, device, "Lieferungen", true, duplicateLsNrs.Count);
                     }
 
-                    if (importDuplicateMembers || importNewMembers || importDuplicateDeliveries || importNewDeliveries) {
+                    if (importDuplicateMembers || importNewMembers || importDuplicateContracts || importNewContracts || importDuplicateDeliveries || importNewDeliveries) {
                         ctx.AddRange(wbGls);
                         ctx.UpdateRange(wbKgs.Where(k => duplicateKgNrs.Contains(k.KgNr)));
                         ctx.AddRange(wbKgs.Where(k => !duplicateKgNrs.Contains(k.KgNr)));
                     }
 
                     if (importDuplicateMembers) {
-                        ctx.RemoveRange(ctx.BillingAddresses.Where(a => duplicateMgNrs.Contains(a.MgNr)));
+                        ctx.RemoveRange(ctx.BillingAddresses.IgnoreAutoIncludes().Where(a => duplicateMgNrs.Contains(a.MgNr)));
-                        ctx.RemoveRange(ctx.MemberTelephoneNrs.Where(n => duplicateMgNrs.Contains(n.MgNr)));
+                        ctx.RemoveRange(ctx.MemberTelephoneNrs.IgnoreAutoIncludes().Where(n => duplicateMgNrs.Contains(n.MgNr)));
-                        ctx.RemoveRange(ctx.MemberEmailAddrs.Where(a => duplicateMgNrs.Contains(a.MgNr)));
+                        ctx.RemoveRange(ctx.MemberEmailAddrs.IgnoreAutoIncludes().Where(a => duplicateMgNrs.Contains(a.MgNr)));
                         ctx.UpdateRange(members.Where(m => duplicateMgNrs.Contains(m.MgNr)));
                         ctx.AddRange(billingAddresses.Where(a => duplicateMgNrs.Contains(a.MgNr)));
                         ctx.AddRange(telephoneNumbers.Where(n => duplicateMgNrs.Contains(n.MgNr)));
                         ctx.AddRange(emailAddresses.Where(a => duplicateMgNrs.Contains(a.MgNr)));
-                        ctx.UpdateRange(areaCommitments.Where(c => duplicateMgNrs.Contains(c.MgNr) && duplicateFbNrs.Contains(c.FbNr)));
-                        ctx.AddRange(areaCommitments.Where(c => duplicateMgNrs.Contains(c.MgNr) && !duplicateFbNrs.Contains(c.FbNr)));
                     }
                     if (importNewMembers) {
                         ctx.AddRange(members.Where(m => !duplicateMgNrs.Contains(m.MgNr)));
                         ctx.AddRange(billingAddresses.Where(a => !duplicateMgNrs.Contains(a.MgNr)));
                         ctx.AddRange(telephoneNumbers.Where(n => !duplicateMgNrs.Contains(n.MgNr)));
                         ctx.AddRange(emailAddresses.Where(a => !duplicateMgNrs.Contains(a.MgNr)));
-                        ctx.UpdateRange(areaCommitments.Where(c => !duplicateMgNrs.Contains(c.MgNr) && duplicateFbNrs.Contains(c.FbNr)));
-                        ctx.AddRange(areaCommitments.Where(c => !duplicateMgNrs.Contains(c.MgNr) && !duplicateFbNrs.Contains(c.FbNr)));
                     }
                     if (members.Count > 0) {
                         var n = importNewMembers ? members.Count - duplicateMgNrs.Count : 0;
                         var o = importDuplicateMembers ? duplicateMgNrs.Count : 0;
                         importedMembers.Add((meta.FileName, meta.ZwstId, meta.Device, n, o, members.Count - n - o, meta.MemberFilters));
                     }
-                    if (areaCommitments.Count > 0) {
+
+                    if (importDuplicateContracts) {
+                        ctx.RemoveRange(ctx.AreaCommitments.IgnoreAutoIncludes().Where(c => duplicateFbNrs.Contains(c.FbNr)));
+                        ctx.UpdateRange(contracts.Where(c => duplicateFbNrs.Contains(c.FbNr)));
+                        ctx.AddRange(areaCommitments.Where(c => duplicateFbNrs.Contains(c.FbNr)));
+                    }
+                    if (importNewContracts) {
+                        ctx.AddRange(contracts.Where(c => !duplicateFbNrs.Contains(c.FbNr)));
+                        ctx.AddRange(areaCommitments.Where(c => !duplicateFbNrs.Contains(c.FbNr)));
+                    }
+                    if (contracts.Count > 0) {
                         ctx.AddRange(riede);
-                        var imported = areaCommitments.Where(c => (importNewMembers && !duplicateMgNrs.Contains(c.MgNr)) || (importDuplicateMembers && duplicateMgNrs.Contains(c.MgNr))).ToList();
+                        var n = importNewContracts ? contracts.Count - duplicateFbNrs.Count : 0;
-                        importedAreaComs.Add((meta.FileName, meta.ZwstId, meta.Device, imported.Count, areaCommitments.Count - imported.Count, meta.AreaComFilters));
+                        var o = importDuplicateContracts ? duplicateFbNrs.Count : 0;
+                        importedAreaComs.Add((meta.FileName, meta.ZwstId, meta.Device, n, o, contracts.Count - n - o, meta.AreaComFilters));
                     }
 
                     if (allowedDuplicateLsNrs.Count > 0) {
@@ -300,9 +350,10 @@ namespace Elwig.Helpers.Export {
                             .Select(d => (d.Year, d.DId))
                             .ToList();
                         ctx.RemoveRange(ctx.DeliveryParts
+                            .IgnoreAutoIncludes()
                             .Where(p => allowedDuplicateLsNrs.Contains(p.Delivery.LsNr))
                             .SelectMany(p => p.PartModifiers));
-                        ctx.RemoveRange(ctx.DeliveryParts.Where(p => allowedDuplicateLsNrs.Contains(p.Delivery.LsNr)));
+                        ctx.RemoveRange(ctx.DeliveryParts.IgnoreAutoIncludes().Where(p => allowedDuplicateLsNrs.Contains(p.Delivery.LsNr)));
                         ctx.UpdateRange(deliveries.Where(d => dids.Contains((d.Year, d.DId))));
                         ctx.AddRange(deliveryParts.Where(p => dids.Contains((p.Year, p.DId))));
                         ctx.AddRange(modifiers.Where(m => dids.Contains((m.Year, m.DId))));
@@ -314,9 +365,10 @@ namespace Elwig.Helpers.Export {
                             .Select(d => (d.Year, d.DId))
                             .ToList();
                         ctx.RemoveRange(ctx.DeliveryParts
+                            .IgnoreAutoIncludes()
                             .Where(p => l.Contains(p.Delivery.LsNr))
                             .SelectMany(p => p.PartModifiers));
-                        ctx.RemoveRange(ctx.DeliveryParts.Where(p => l.Contains(p.Delivery.LsNr)));
+                        ctx.RemoveRange(ctx.DeliveryParts.IgnoreAutoIncludes().Where(p => l.Contains(p.Delivery.LsNr)));
                         ctx.UpdateRange(deliveries.Where(d => dids.Contains((d.Year, d.DId))));
                         ctx.AddRange(deliveryParts.Where(p => dids.Contains((p.Year, p.DId))));
                         ctx.AddRange(modifiers.Where(m => dids.Contains((m.Year, m.DId))));
@@ -335,15 +387,17 @@ namespace Elwig.Helpers.Export {
                     await ctx.SaveChangesAsync();
 
                     var primaryKeys = new Dictionary<string, string>() {
-                        ["member"] = "mgnr, 0",
+                        ["member"] = "mgnr, 0, 0",
-                        ["area_commitment"] = "fbnr, 0",
+                        ["area_commitment_contract"] = "fbnr, 0, 0",
-                        ["delivery"] = "year, did",
+                        ["area_commitment"] = "fbnr, revnr, 0",
+                        ["delivery"] = "year, did, 0",
+                        ["delivery_part"] = "year, did, dpnr",
                     };
                     var updateStmts = timestamps
                         .SelectMany(e => e.Value.Select(m => $"UPDATE {e.Key} " +
                                                              $"SET ctime = {((DateTimeOffset)m.CreatedAt.ToUniversalTime()).ToUnixTimeSeconds()}, " +
                                                                  $"mtime = {((DateTimeOffset)m.ModifiedAt.ToUniversalTime()).ToUnixTimeSeconds()} " +
-                                                             $"WHERE ({primaryKeys[e.Key]}) = ({m.Id1}, {m.Id2});"));
+                                                             $"WHERE ({primaryKeys[e.Key]}) = ({m.Id1}, {m.Id2}, {m.Id3});"));
                     using var cnx = AppDbContext.Connect();
                     await cnx.ExecuteBatch($"""
                         BEGIN;
@@ -367,10 +421,10 @@ namespace Elwig.Helpers.Export {
                             $"    ({d.New} neu, {d.Overwritten} überschrieben, {d.NotImported} nicht importiert)\n" +
                             $"    Zweigstelle: {branches[d.ZwstId].Name} (Gerät {d.Device})\n" +
                             $"    Filter: {d.Filters}"),
-                        $"Flächenbindungen: {importedAreaComs.Sum(d => d.Imported)}",
+                        $"Flächenbindungen: {importedAreaComs.Sum(d => d.New + d.Overwritten)}",
                         ..importedAreaComs.Select(d =>
-                            $"  {d.FileName} ({d.Imported})\n" +
+                            $"  {d.FileName} ({d.New + d.Overwritten})\n" +
-                            $"    ({d.Imported} importiert, {d.NotImported} nicht importiert)\n" +
+                            $"    ({d.New} importiert, {d.Overwritten} überschreiben, {d.NotImported} nicht importiert)\n" +
                             $"    Zweigstelle: {branches[d.ZwstId].Name} (Gerät {d.Device})\n" +
                             $"    Filter: {d.Filters}"),
                         $"Lieferungen: {importedDeliveries.Sum(d => d.New + d.Overwritten)}",
@@ -407,7 +461,7 @@ namespace Elwig.Helpers.Export {
             }.Export(filename);
         }
 
-        public static Task Export(string filename, IEnumerable<Member> members, IEnumerable<AreaCom> areaComs, IEnumerable<WbKg> wbKgs, IEnumerable<string> filters) {
+        public static Task Export(string filename, IEnumerable<Member> members, IEnumerable<AreaComContract> areaComs, IEnumerable<WbKg> wbKgs, IEnumerable<string> filters) {
             return new ElwigExport {
                 Members = (members, filters),
                 AreaComs = (areaComs, ["von exportierten Mitgliedern"]),
@@ -425,7 +479,7 @@ namespace Elwig.Helpers.Export {
         public class ElwigExport {
             public (IEnumerable<WbKg> WbKgs, IEnumerable<string> Filters)? WbKgs { get; set; }
             public (IEnumerable<Member> Members, IEnumerable<string> Filters)? Members { get; set; }
-            public (IEnumerable<AreaCom> AreaComs, IEnumerable<string> Filters)? AreaComs { get; set; }
+            public (IEnumerable<AreaComContract> AreaComs, IEnumerable<string> Filters)? AreaComs { get; set; }
             public (IEnumerable<Delivery> Deliveries, IEnumerable<string> Filters)? Deliveries { get; set; }
 
             public async Task Export(string filename) {
@@ -434,7 +488,7 @@ namespace Elwig.Helpers.Export {
 
                 var version = zip.CreateEntry("version", CompressionLevel.NoCompression);
                 using (var writer = new StreamWriter(version.Open(), Utils.UTF8)) {
-                    await writer.WriteAsync("elwig:1");
+                    await writer.WriteAsync("elwig:2");
                 }
 
                 var meta = zip.CreateEntry("meta.json", CompressionLevel.NoCompression);
@@ -456,8 +510,9 @@ namespace Elwig.Helpers.Export {
                             ["filters"] = new JsonArray(Members.Value.Filters.Select(f => (JsonNode)f).ToArray()),
                         };
                     if (AreaComs != null)
-                        obj["area_commitments"] = new JsonObject {
+                        obj["area_commitment_contracts"] = new JsonObject {
                             ["count"] = AreaComs.Value.AreaComs.Count(),
+                            ["revisions"] = AreaComs.Value.AreaComs.Sum(c => c.Revisions.Count),
                             ["filters"] = new JsonArray(AreaComs.Value.Filters.Select(f => (JsonNode)f).ToArray()),
                         };
                     if (Deliveries != null)
@@ -485,7 +540,7 @@ namespace Elwig.Helpers.Export {
                     }
                 }
                 if (AreaComs != null) {
-                    var json = zip.CreateEntry("area_commitments.json", CompressionLevel.SmallestSize);
+                    var json = zip.CreateEntry("area_commitment_contracts.json", CompressionLevel.SmallestSize);
                     using var writer = new StreamWriter(json.Open(), Utils.UTF8);
                     foreach (var c in AreaComs.Value.AreaComs) {
                         await writer.WriteLineAsync(c.ToJson().ToJsonString(Utils.JsonOpts));
@@ -639,42 +694,102 @@ namespace Elwig.Helpers.Export {
                 CountryNum = a["country"]!.AsValue().GetValue<int>(),
                 PostalDestId = a["postal_dest"]!.AsValue().GetValue<string>(),
                 Address = a["address"]!.AsValue().GetValue<string>(),
-            } : null, json["telephone_numbers"]!.AsArray().Select(n => n!.AsObject()).Select((n, i) => new MemberTelNr {
+            } : null, [.. json["telephone_numbers"]!.AsArray().Select(n => n!.AsObject()).Select((n, i) => new MemberTelNr {
                 MgNr = mgnr,
                 Nr = i + 1,
                 Type = n["type"]!.AsValue().GetValue<string>(),
                 Number = n["number"]!.AsValue().GetValue<string>(),
                 Comment = n["comment"]?.AsValue().GetValue<string>(),
-            }).ToList(), json["email_addresses"]!.AsArray().Select(a => a!.AsObject()).Select((a, i) => new MemberEmailAddr {
+            })], [.. json["email_addresses"]!.AsArray().Select(a => a!.AsObject()).Select((a, i) => new MemberEmailAddr {
                 MgNr = mgnr,
                 Nr = i + 1,
                 Address = a["address"]!.AsValue().GetValue<string>(),
                 Comment = a["comment"]?.AsValue().GetValue<string>(),
-            }).ToList(),
+            })],
             createdAt == null || modifiedAt == null ? null :
             (DateTime.ParseExact(createdAt, "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None),
              DateTime.ParseExact(modifiedAt, "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None)));
         }
 
-        public static JsonObject ToJson(this AreaCom c) {
+        public static JsonObject ToJson(this AreaComContract c) {
             return new JsonObject {
                 ["fbnr"] = c.FbNr,
-                ["mgnr"] = c.MgNr,
-                ["vtrgid"] = c.VtrgId,
-                ["cultid"] = c.CultId,
-                ["area"] = c.Area,
                 ["kgnr"] = c.KgNr,
-                ["gstnr"] = c.GstNr,
                 ["ried"] = c.Rd?.Name,
-                ["year_from"] = c.YearFrom,
+                ["revisions"] = new JsonArray(c.Revisions.OrderBy(r => r.RevNr).Select(r => r.ToJson()).ToArray()),
-                ["year_to"] = c.YearTo,
                 ["comment"] = c.Comment,
                 ["created_at"] = $"{c.CreatedAt:yyyy-MM-ddTHH:mm:ssK}",
                 ["modified_at"] = $"{c.ModifiedAt:yyyy-MM-ddTHH:mm:ssK}",
             };
         }
 
-        public static (AreaCom, WbRd?, (DateTime CreatedAt, DateTime ModifiedAt)?) ToAreaCom(this JsonNode json, Dictionary<int, List<WbRd>> riede) {
+        private static JsonObject ToJson(this AreaCom c) {
+            return new JsonObject {
+                ["revnr"] = c.RevNr,
+                ["mgnr"] = c.MgNr,
+                ["vtrgid"] = c.VtrgId,
+                ["cultid"] = c.CultId,
+                ["area"] = c.Area,
+                ["gstnr"] = c.GstNr,
+                ["year_from"] = c.YearFrom,
+                ["year_to"] = c.YearTo,
+                ["created_at"] = $"{c.CreatedAt:yyyy-MM-ddTHH:mm:ssK}",
+                ["modified_at"] = $"{c.ModifiedAt:yyyy-MM-ddTHH:mm:ssK}",
+            };
+        }
+
+        public static (AreaComContract, List<(AreaCom, (DateTime CreatedAt, DateTime ModifiedAt)?)>, WbRd?, (DateTime CreatedAt, DateTime ModifiedAt)?) ToAreaComContract(this JsonNode json, Dictionary<int, List<WbRd>> riede) {
+            var kgnr = json["kgnr"]!.AsValue().GetValue<int>();
+            var ried = json["ried"]?.AsValue().GetValue<string>();
+            var fbnr = json["fbnr"]!.AsValue()!.GetValue<int>();
+            WbRd? rd = null;
+            bool newRd = false;
+            if (ried != null) {
+                var rde = riede.GetValueOrDefault(kgnr, []);
+                rd = rde.FirstOrDefault(r => r.Name == ried);
+                if (rd == null) {
+                    newRd = true;
+                    rd = new WbRd {
+                        KgNr = kgnr,
+                        RdNr = (rde.Count == 0 ? 1 : rde.Max(r => r.RdNr)) + 1,
+                        Name = ried,
+                    };
+                    rde.Add(rd);
+                    riede[rd.KgNr] = rde;
+                }
+            }
+            var createdAt = json["created_at"]?.AsValue().GetValue<string>();
+            var modifiedAt = json["modified_at"]?.AsValue().GetValue<string>();
+            return (new AreaComContract {
+                FbNr = fbnr,
+                KgNr = kgnr,
+                RdNr = rd?.RdNr ?? json["rdnr"]?.AsValue().GetValue<int>(),
+                Comment = json["comment"]?.AsValue().GetValue<string>(),
+                ImportedAt = DateTime.Now,
+            }, [.. json["revisions"]!.AsArray().Select(r => r!.AsObject()).Select<JsonObject, (AreaCom, (DateTime, DateTime)?)>(r => {
+                var createdAt = json["created_at"]?.AsValue().GetValue<string>();
+                var modifiedAt = json["modified_at"]?.AsValue().GetValue<string>();
+                return (new AreaCom {
+                    FbNr = fbnr,
+                    RevNr = r["revnr"]!.AsValue().GetValue<int>(),
+                    MgNr = r["mgnr"]!.AsValue().GetValue<int>(),
+                    VtrgId = r["vtrgid"]!.AsValue().GetValue<string>(),
+                    CultId = r["cultid"]?.AsValue().GetValue<string>(),
+                    Area = r["area"]!.AsValue().GetValue<int>(),
+                    GstNr = r["gstnr"]?.AsValue().GetValue<string>() ?? "-",
+                    YearFrom = r["year_from"]?.AsValue().GetValue<int>(),
+                    YearTo = r["year_to"]?.AsValue().GetValue<int>(),
+                    ImportedAt = DateTime.Now,
+                }, createdAt == null || modifiedAt == null ? null :
+                (DateTime.ParseExact(createdAt, "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None),
+                 DateTime.ParseExact(modifiedAt, "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None)));
+            })], newRd ? rd : null,
+            createdAt == null || modifiedAt == null ? null :
+            (DateTime.ParseExact(createdAt, "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None),
+             DateTime.ParseExact(modifiedAt, "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None)));
+        }
+
+        public static (AreaComContract, AreaCom, WbRd?, (DateTime CreatedAt, DateTime ModifiedAt)?) ToAreaCom(this JsonNode json, Dictionary<int, List<WbRd>> riede) {
             var kgnr = json["kgnr"]!.AsValue().GetValue<int>();
             var ried = json["ried"]?.AsValue().GetValue<string>();
             WbRd? rd = null;
@@ -695,18 +810,22 @@ namespace Elwig.Helpers.Export {
             }
             var createdAt = json["created_at"]?.AsValue().GetValue<string>();
             var modifiedAt = json["modified_at"]?.AsValue().GetValue<string>();
-            return (new AreaCom {
+            return (new AreaComContract {
                 FbNr = json["fbnr"]!.AsValue().GetValue<int>(),
+                KgNr = kgnr,
+                RdNr = rd?.RdNr ?? json["rdnr"]?.AsValue().GetValue<int>(),
+                Comment = json["comment"]?.AsValue().GetValue<string>(),
+                ImportedAt = DateTime.Now,
+            }, new AreaCom {
+                FbNr = json["fbnr"]!.AsValue().GetValue<int>(),
+                RevNr = 1,
                 MgNr = json["mgnr"]!.AsValue().GetValue<int>(),
                 VtrgId = json["vtrgid"]!.AsValue().GetValue<string>(),
                 CultId = json["cultid"]?.AsValue().GetValue<string>(),
                 Area = json["area"]!.AsValue().GetValue<int>(),
-                KgNr = kgnr,
                 GstNr = json["gstnr"]?.AsValue().GetValue<string>() ?? "-",
-                RdNr = rd?.RdNr ?? json["rdnr"]?.AsValue().GetValue<int>(),
                 YearFrom = json["year_from"]?.AsValue().GetValue<int>(),
                 YearTo = json["year_to"]?.AsValue().GetValue<int>(),
-                Comment = json["comment"]?.AsValue().GetValue<string>(),
                 ImportedAt = DateTime.Now,
             }, newRd ? rd : null,
             createdAt == null || modifiedAt == null ? null :
@@ -723,43 +842,45 @@ namespace Elwig.Helpers.Export {
                 ["lnr"] = d.LNr,
                 ["time"] = d.Time != null ? $"{d.Time:HH:mm:ss}" : null,
                 ["mgnr"] = d.MgNr,
-                ["parts"] = new JsonArray(d.Parts.OrderBy(p => p.DPNr).Select(p => {
+                ["parts"] = new JsonArray(d.Parts.OrderBy(p => p.DPNr).Select(p => p.ToJson()).ToArray()),
-                    var obj = new JsonObject {
-                        ["dpnr"] = p.DPNr,
-                        ["sortid"] = p.SortId,
-                        ["attrid"] = p.AttrId,
-                        ["cultid"] = p.CultId,
-                        ["weight"] = p.Weight,
-                        ["kmw"] = p.Kmw,
-                        ["qualid"] = p.QualId,
-                        ["hkid"] = p.HkId,
-                        ["kgnr"] = p.KgNr,
-                        ["ried"] = p.Rd?.Name,
-                        ["net_weight"] = p.IsNetWeight,
-                        ["manual_weighing"] = p.IsManualWeighing,
-                        ["modids"] = new JsonArray(p.Modifiers.Select(m => (JsonNode)m.ModId).ToArray()),
-                        ["comment"] = p.Comment,
-                        ["created_at"] = $"{p.CreatedAt:yyyy-MM-ddTHH:mm:ssK}",
-                        ["modified_at"] = $"{p.ModifiedAt:yyyy-MM-ddTHH:mm:ssK}",
-                    };
-                    if (p.IsSplCheck) obj["spl_check"] = p.IsSplCheck;
-                    if (p.IsHandPicked != null) obj["hand_picked"] = p.IsHandPicked;
-                    if (p.IsGebunden != null) obj["gebunden"] = p.IsGebunden;
-                    if (p.Unloading != null) obj["unloading"] = p.Unloading;
-                    if (p.Temperature != null) obj["temperature"] = p.Temperature;
-                    if (p.Acid != null) obj["acid"] = p.Acid;
-                    if (p.ScaleId != null) obj["scale_id"] = p.ScaleId;
-                    if (p.WeighingData != null) obj["weighing_data"] = JsonNode.Parse(p.WeighingData);
-                    if (p.WeighingReason != null) obj["weighing_reason"] = p.WeighingReason;
-                    return obj;
-                }).ToArray()),
                 ["comment"] = d.Comment,
                 ["created_at"] = $"{d.CreatedAt:yyyy-MM-ddTHH:mm:ssK}",
                 ["modified_at"] = $"{d.ModifiedAt:yyyy-MM-ddTHH:mm:ssK}",
             };
         }
 
-        public static (Delivery, List<DeliveryPart>, List<DeliveryPartModifier>, List<WbRd>, (DateTime CreatedAt, DateTime ModifiedAt)?) ToDelivery(this JsonNode json, Dictionary<string, int> currentLsNrs, Dictionary<int, int> currentDids, Dictionary<int, AT_Kg> kgs, Dictionary<int, List<WbRd>> riede) {
+        private static JsonObject ToJson(this DeliveryPart p) {
+            var obj = new JsonObject {
+                ["dpnr"] = p.DPNr,
+                ["sortid"] = p.SortId,
+                ["attrid"] = p.AttrId,
+                ["cultid"] = p.CultId,
+                ["weight"] = p.Weight,
+                ["kmw"] = p.Kmw,
+                ["qualid"] = p.QualId,
+                ["hkid"] = p.HkId,
+                ["kgnr"] = p.KgNr,
+                ["ried"] = p.Rd?.Name,
+                ["net_weight"] = p.IsNetWeight,
+                ["manual_weighing"] = p.IsManualWeighing,
+                ["modids"] = new JsonArray(p.PartModifiers.Select(m => (JsonNode)m.ModId).ToArray()),
+                ["comment"] = p.Comment,
+                ["created_at"] = $"{p.CreatedAt:yyyy-MM-ddTHH:mm:ssK}",
+                ["modified_at"] = $"{p.ModifiedAt:yyyy-MM-ddTHH:mm:ssK}",
+            };
+            if (p.IsSplCheck) obj["spl_check"] = p.IsSplCheck;
+            if (p.IsHandPicked != null) obj["hand_picked"] = p.IsHandPicked;
+            if (p.IsGebunden != null) obj["gebunden"] = p.IsGebunden;
+            if (p.Unloading != null) obj["unloading"] = p.Unloading;
+            if (p.Temperature != null) obj["temperature"] = p.Temperature;
+            if (p.Acid != null) obj["acid"] = p.Acid;
+            if (p.ScaleId != null) obj["scale_id"] = p.ScaleId;
+            if (p.WeighingData != null) obj["weighing_data"] = JsonNode.Parse(p.WeighingData);
+            if (p.WeighingReason != null) obj["weighing_reason"] = p.WeighingReason;
+            return obj;
+        }
+
+        public static (Delivery, List<(DeliveryPart, (DateTime CreatedAt, DateTime ModifiedAt)?)>, List<DeliveryPartModifier>, List<WbRd>, (DateTime CreatedAt, DateTime ModifiedAt)?) ToDelivery(this JsonNode json, Dictionary<string, int> currentLsNrs, Dictionary<int, int> currentDids, Dictionary<int, AT_Kg> kgs, Dictionary<int, List<WbRd>> riede) {
             var year = json["year"]!.AsValue().GetValue<int>();
             var lsnr = json["lsnr"]!.AsValue().GetValue<string>();
             var did = currentLsNrs.GetValueOrDefault(lsnr, -1);
@@ -782,7 +903,7 @@ namespace Elwig.Helpers.Export {
                 MgNr = json["mgnr"]!.AsValue().GetValue<int>(),
                 Comment = json["comment"]?.AsValue().GetValue<string>(),
                 ImportedAt = DateTime.Now,
-            }, json["parts"]!.AsArray().Select(p => p!.AsObject()).Select(p => {
+            }, [.. json["parts"]!.AsArray().Select(p => p!.AsObject()).Select<JsonObject, (DeliveryPart, (DateTime, DateTime)?)>(p => {
                 var kgnr = p["kgnr"]?.AsValue().GetValue<int>();
                 var ried = p["ried"]?.AsValue().GetValue<string>();
                 WbRd? rd = null;
@@ -800,7 +921,9 @@ namespace Elwig.Helpers.Export {
                         wbRde.Add(rd);
                     }
                 }
-                return new DeliveryPart {
+                var createdAt = p["created_at"]?.AsValue().GetValue<string>();
+                var modifiedAt = p["modified_at"]?.AsValue().GetValue<string>();
+                return (new DeliveryPart {
                     Year = year,
                     DId = did,
                     DPNr = p["dpnr"]!.AsValue().GetValue<int>(),
@@ -825,13 +948,15 @@ namespace Elwig.Helpers.Export {
                     ScaleId = p["scale_id"]?.AsValue().GetValue<string>(),
                     WeighingData = p["weighing_data"]?.AsObject().ToJsonString(Utils.JsonOpts),
                     WeighingReason = p["weighing_reason"]?.AsValue().GetValue<string>(),
-                };
+                }, createdAt == null || modifiedAt == null ? null :
-            }).ToList(), json["parts"]!.AsArray().SelectMany(p => p!["modids"]!.AsArray().Select(m => new DeliveryPartModifier {
+                (DateTime.ParseExact(createdAt, "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None),
+                 DateTime.ParseExact(modifiedAt, "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None)));
+            })], [.. json["parts"]!.AsArray().SelectMany(p => p!["modids"]!.AsArray().Select(m => new DeliveryPartModifier {
                 Year = year,
                 DId = did,
                 DPNr = p["dpnr"]!.AsValue().GetValue<int>(),
                 ModId = m!.AsValue().GetValue<string>(),
-            })).ToList(),
+            }))],
             wbRde,
             createdAt == null || modifiedAt == null ? null :
             (DateTime.ParseExact(createdAt, "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None),

Elwig/Helpers/Utils.cs

@@ -413,8 +413,8 @@ namespace Elwig.Helpers {
             return output.OrderByDescending(l => l.Count());
         }
 
-        public static List<RawVaribute> GetVaributes(AppDbContext ctx, int year, bool onlyDelivered = true) {
+        public static async Task<List<RawVaribute>> GetVaributes(AppDbContext ctx, int year, bool onlyDelivered = true) {
-            var varieties = ctx.WineVarieties.Select(v => new RawVaribute(v.SortId, "", null)).ToList();
+            var varieties = await ctx.FetchWineVarieties().Select(v => new RawVaribute(v.SortId, "", null)).ToListAsync();
             var delivered = ctx.DeliveryParts
                .Where(d => d.Year == year)
                .Select(d => new RawVaribute(d.SortId, d.AttrId ?? "", d.CultId ?? ""))
@@ -423,13 +423,11 @@ namespace Elwig.Helpers {
             return [.. (onlyDelivered ? delivered : delivered.Union(varieties)).Order()];
         }
 
-        public static List<Varibute> GetVaributeList(AppDbContext ctx, int year, bool onlyDelivered = true) {
+        public static async Task<List<Varibute>> GetVaributeList(AppDbContext ctx, int year, bool onlyDelivered = true) {
-            var varieties = ctx.WineVarieties.ToDictionary(v => v.SortId, v => v);
+            var varieties = await ctx.FetchWineVarieties().ToDictionaryAsync(v => v.SortId, v => v);
-            var attributes = ctx.WineAttributes.ToDictionary(a => a.AttrId, a => a);
+            var attributes = await ctx.FetchWineAttributes().ToDictionaryAsync(a => a.AttrId, a => a);
-            var cultivations = ctx.WineCultivations.ToDictionary(c => c.CultId, c => c);
+            var cultivations = await ctx.FetchWineCultivations().ToDictionaryAsync(c => c.CultId, c => c);
-            return GetVaributes(ctx, year, onlyDelivered)
+            return [.. (await GetVaributes(ctx, year, onlyDelivered)).Select(s => new Varibute(s, varieties, attributes, cultivations))];
-                .Select(s => new Varibute(s, varieties, attributes, cultivations))
-                .ToList();
         }
 
         [LibraryImport("wininet.dll")]
@@ -557,7 +555,9 @@ namespace Elwig.Helpers {
                         "Vorläufiges Dokument", MessageBoxButton.OK, MessageBoxImage.Error);
                     return;
                 }
-                await doc.Generate();
+                using (var ctx = new AppDbContext()) {
+                    await doc.Generate(ctx);
+                }
                 await doc.Print();
             } else if (mode == ExportMode.Email && emailData is (Member, string, string) e) {
                 if (doc.IsPreview) {
@@ -565,7 +565,9 @@ namespace Elwig.Helpers {
                         "Vorläufiges Dokument", MessageBoxButton.OK, MessageBoxImage.Error);
                     return;
                 }
-                await doc.Generate();
+                using (var ctx = new AppDbContext()) {
+                    await doc.Generate(ctx);
+                }
                 var success = await SendEmail(e.Member, e.Subject, e.Text, [doc]);
                 if (success)
                     MessageBox.Show("Die E-Mail wurde erfolgreich verschickt!\n\nEs kann einige Minuten dauern, bis die E-Mail im Posteingang des Empfängers aufscheint.", "E-Mail verschickt",
@@ -582,12 +584,16 @@ namespace Elwig.Helpers {
                     Title = $"{doc.Title} speichern unter - Elwig"
                 };
                 if (d.ShowDialog() == true) {
-                    await doc.Generate();
+                    using (var ctx = new AppDbContext()) {
+                        await doc.Generate(ctx);
+                    }
                     doc.SaveTo(d.FileName);
                     Process.Start("explorer.exe", d.FileName);
                 }
             } else {
-                await doc.Generate();
+                using (var ctx = new AppDbContext()) {
+                    await doc.Generate(ctx);
+                }
                 doc.Show();
             }
         }

Elwig/Helpers/Validator.cs

@@ -580,7 +580,7 @@ namespace Elwig.Helpers {
             }
         }
 
-        public static ValidationResult CheckFbNr(TextBox input, bool required, AreaCom? c) {
+        public static ValidationResult CheckFbNr(TextBox input, bool required, AreaComContract? c) {
             var res = CheckInteger(input, required);
             if (!res.IsValid) {
                 return res;

Elwig/Models/Dtos/CreditNoteDeliveryData.cs

@@ -28,9 +28,9 @@ namespace Elwig.Models.Dtos {
         }
 
         public static async Task<IDictionary<int, CreditNoteDeliveryData>> ForPaymentVariant(DbSet<CreditNoteDeliveryRowSingle> table, DbSet<PaymentVar> paymentVariants, int year, int avnr) {
-            var variant = await paymentVariants.FindAsync(year, avnr);
+            var variant = await paymentVariants.Include(v => v.Season.Modifiers).Where(v => v.Year == year && v.AvNr == avnr).SingleAsync();
             BillingData? varData = null;
-            try { varData = variant != null ? BillingData.FromJson(variant.Data) : null; } catch { }
+            try { varData = variant.Data != null ? BillingData.FromJson(variant.Data) : null; } catch { }
             return (await FromDbSet(table, year, avnr))
                 .GroupBy(
                     r => new { r.Year, r.AvNr, r.MgNr, r.TgNr, r.DId, r.DPNr },

Elwig/Models/Dtos/DeliveryAncmtListData.cs

@@ -28,12 +28,7 @@ namespace Elwig.Models.Dtos {
         }
 
         public static async Task<DeliveryAncmtListData> FromQuery(IQueryable<DeliveryAncmt> query, List<string> filterNames) {
-            return new((await query
+            return new((await query.ToListAsync()).Select(d => new DeliveryAncmtListRow(d)), filterNames);
-                .Include(a => a.Schedule.Branch)
-                .Include(a => a.Member)
-                .Include(a => a.Variety)
-                .AsSplitQuery()
-                .ToListAsync()).Select(d => new DeliveryAncmtListRow(d)), filterNames);
         }
     }
 

Elwig/Models/Dtos/DeliveryConfirmationDeliveryData.cs

@@ -52,12 +52,8 @@ namespace Elwig.Models.Dtos {
             if (mgnr != null) q = q.Where(p => p.Delivery.MgNr == mgnr);
             await q
                  .Include(p => p.Delivery)
-                 .Include(p => p.Variety)
-                 .Include(p => p.Attribute)
-                 .Include(p => p.Quality)
                  .Include(p => p.Buckets)
-                 .Include(p => p.PartModifiers)
+                 .Include(p => p.PartModifiers).ThenInclude(m => m.Modifier)
-                 .ThenInclude(m => m.Modifier)
                  .LoadAsync();
             return await table.FromSqlRaw($"""
                     SELECT p.*
@@ -65,7 +61,7 @@ namespace Elwig.Models.Dtos {
                         JOIN delivery_part p ON (p.year, p.did, p.dpnr) = (v.year, v.did, v.dpnr)
                     WHERE (p.year = {y} OR {y} IS NULL) AND (v.mgnr = {m} OR {m} IS NULL)
                     ORDER BY p.year, v.mgnr, v.sortid, v.abgewertet ASC, v.attribute_prio DESC, COALESCE(v.attrid, '~'), v.kmw DESC, v.lsnr, v.dpnr
-                    """).ToListAsync();
+                    """).IgnoreAutoIncludes().ToListAsync();
         }
     }
 

Elwig/Models/Dtos/DeliveryJournalData.cs

@@ -40,12 +40,7 @@ namespace Elwig.Models.Dtos {
                 .Include(p => p.Delivery.Member.Branch)
                 .Include(p => p.Delivery.Branch)
                 .Include(p => p.PartModifiers).ThenInclude(m => m.Modifier)
-                .Include(p => p.Variety)
-                .Include(p => p.Attribute)
-                .Include(p => p.Cultivation)
                 .Include(p => p.Origin)
-                .Include(p => p.Quality)
-                .AsSplitQuery()
                 .ToListAsync()).Select(d => new DeliveryJournalRow(d)), filterNames);
         }
     }

Elwig/Models/Dtos/MemberListData.cs

@@ -47,15 +47,11 @@ namespace Elwig.Models.Dtos {
         }
 
         public static async Task<MemberListData> FromQuery(IQueryable<Member> query, List<string> filterNames, IEnumerable<string> filterAreaCom) {
-            var areaComs = await query.ToDictionaryAsync(m => m.MgNr, m => Utils.ActiveAreaCommitments(m.AreaCommitments));
+            var areaComs = await query.Include(m => m.AreaCommitments).ToDictionaryAsync(m => m.MgNr, m => Utils.ActiveAreaCommitments(m.AreaCommitments));
             return new((await query
-                .Include(m => m.DefaultWbKg!.AtKg)
                 .Include(m => m.Branch)
-                .Include(m => m.PostalDest.AtPlz!.Ort)
-                .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
                 .Include(m => m.TelephoneNumbers)
                 .Include(m => m.EmailAddresses)
-                .AsSplitQuery()
                 .ToListAsync()).Select(m => new MemberListRow(m,
                     areaComs[m.MgNr].Sum(c => c.Area),
                     areaComs[m.MgNr].Where(c => filterAreaCom.Contains(c.VtrgId)).GroupBy(c => c.VtrgId).ToDictionary(g => g.Key, g => g.Sum(c => c.Area)))),

Elwig/Models/Entities/AreaCom.cs

@@ -1,15 +1,16 @@
-using Elwig.Helpers;
 using Microsoft.EntityFrameworkCore;
 using System;
-using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema;
 
 namespace Elwig.Models.Entities {
-    [Table("area_commitment"), PrimaryKey("FbNr")]
+    [Table("area_commitment"), PrimaryKey("FbNr", "RevNr")]
     public class AreaCom {
         [Column("fbnr")]
         public int FbNr { get; set; }
 
+        [Column("revnr")]
+        public int RevNr { get; set; }
+
         [Column("mgnr")]
         public int MgNr { get; set; }
 
@@ -22,24 +23,15 @@ namespace Elwig.Models.Entities {
         [Column("area")]
         public int Area { get; set; }
 
-        [Column("kgnr")]
-        public int KgNr { get; set; }
-
         [Column("gstnr")]
         public required string GstNr { get; set; }
 
-        [Column("rdnr")]
-        public int? RdNr { get; set; }
-
         [Column("year_from")]
         public int? YearFrom { get; set; }
 
         [Column("year_to")]
         public int? YearTo { get; set; }
 
-        [Column("comment")]
-        public string? Comment { get; set; }
-
         [Column("ctime"), DatabaseGenerated(DatabaseGeneratedOption.Computed)]
         public long CTime { get; set; }
         [NotMapped]
@@ -72,6 +64,9 @@ namespace Elwig.Models.Entities {
             set => ITime = value == null ? null : ((DateTimeOffset)value.Value.ToUniversalTime()).ToUnixTimeSeconds();
         }
 
+        [ForeignKey("FbNr")]
+        public virtual AreaComContract Contract { get; private set; } = null!;
+
         [ForeignKey("MgNr")]
         public virtual Member Member { get; private set; } = null!;
 
@@ -80,17 +75,5 @@ namespace Elwig.Models.Entities {
 
         [ForeignKey("CultId")]
         public virtual WineCult? WineCult { get; private set; }
-
-        [ForeignKey("KgNr")]
-        public virtual WbKg Kg { get; private set; } = null!;
-
-        [ForeignKey("KgNr, RdNr")]
-        public virtual WbRd? Rd { get; private set; }
-
-        public int SearchScore(IEnumerable<string> keywords) {
-            return Utils.GetSearchScore([
-                 WineCult?.Name, Kg.AtKg.Name, Rd?.Name, GstNr, Comment,
-            ], keywords);
-        }
     }
 }

Elwig/Models/Entities/AreaComContract.cs

@@ -0,0 +1,78 @@
+using Elwig.Helpers;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+
+namespace Elwig.Models.Entities {
+    [Table("area_commitment_contract"), PrimaryKey("FbNr")]
+    public class AreaComContract {
+        [Column("fbnr")]
+        public int FbNr { get; set; }
+
+        [Column("kgnr")]
+        public int KgNr { get; set; }
+
+        [Column("rdnr")]
+        public int? RdNr { get; set; }
+
+        [Column("comment")]
+        public string? Comment { get; set; }
+
+        [Column("ctime"), DatabaseGenerated(DatabaseGeneratedOption.Computed)]
+        public long CTime { get; set; }
+        [NotMapped]
+        public DateTime CreatedAt {
+            get => DateTimeOffset.FromUnixTimeSeconds(CTime).LocalDateTime;
+            set => CTime = ((DateTimeOffset)value.ToUniversalTime()).ToUnixTimeSeconds();
+        }
+
+        [Column("mtime"), DatabaseGenerated(DatabaseGeneratedOption.Computed)]
+        public long MTime { get; set; }
+        [NotMapped]
+        public DateTime ModifiedAt {
+            get => DateTimeOffset.FromUnixTimeSeconds(MTime).LocalDateTime;
+            set => MTime = ((DateTimeOffset)value.ToUniversalTime()).ToUnixTimeSeconds();
+        }
+
+        [Column("xtime")]
+        public long? XTime { get; set; }
+        [NotMapped]
+        public DateTime? ExportedAt {
+            get => XTime == null ? null : DateTimeOffset.FromUnixTimeSeconds(XTime.Value).LocalDateTime;
+            set => XTime = value == null ? null : ((DateTimeOffset)value.Value.ToUniversalTime()).ToUnixTimeSeconds();
+        }
+
+        [Column("itime")]
+        public long? ITime { get; set; }
+        [NotMapped]
+        public DateTime? ImportedAt {
+            get => ITime == null ? null : DateTimeOffset.FromUnixTimeSeconds(ITime.Value).LocalDateTime;
+            set => ITime = value == null ? null : ((DateTimeOffset)value.Value.ToUniversalTime()).ToUnixTimeSeconds();
+        }
+
+        [ForeignKey("KgNr")]
+        public virtual WbKg Kg { get; private set; } = null!;
+
+        [ForeignKey("KgNr, RdNr")]
+        public virtual WbRd? Rd { get; private set; }
+
+        [InverseProperty(nameof(AreaCom.Contract))]
+        public virtual ICollection<AreaCom> Revisions { get; private set; } = null!;
+
+        [NotMapped]
+        public AreaCom? Latest => Revisions.OrderBy(r => r.RevNr).LastOrDefault();
+
+        [NotMapped]
+        public int? YearFrom => Revisions.Any(r => r.YearFrom == null) ? null : Revisions.Min(r => r.YearFrom);
+        [NotMapped]
+        public int? YearTo => Revisions.Any(r => r.YearTo == null) ? null : Revisions.Max(r => r.YearTo);
+
+        public int SearchScore(IEnumerable<string> keywords) {
+            return Utils.GetSearchScore([
+                 ..Revisions.Select(r => r.WineCult?.Name), Kg.AtKg.Name, Rd?.Name, ..Revisions.Select(r => r.GstNr), Comment,
+            ], keywords);
+        }
+    }
+}

Elwig/Models/Entities/Delivery.cs

@@ -106,21 +106,21 @@ namespace Elwig.Models.Entities {
         [InverseProperty(nameof(DeliveryPart.Delivery))]
         public virtual ICollection<DeliveryPart> Parts { get; private set; } = null!;
         [NotMapped]
-        public IEnumerable<DeliveryPart> FilteredParts => PartFilter == null ? Parts : Parts.Where(p => PartFilter(p));
+         public IEnumerable<DeliveryPart> FilteredParts => PartFilter == null ? Parts : Parts.Where(p => PartFilter(p));
 
         [NotMapped]
         public Predicate<DeliveryPart>? PartFilter { get; set; }
 
-        public int Weight => Parts.Select(p => p.Weight).Sum();
+        public int Weight => Parts.Sum(p => p.Weight);
-        public int FilteredWeight => FilteredParts.Select(p => p.Weight).Sum();
+        public int FilteredWeight => FilteredParts.Sum(p => p.Weight);
 
         public IEnumerable<RawVaribute> Vaributes => Parts
             .GroupBy(p => (p.SortId, p.AttrId, p.CultId))
-            .OrderByDescending(g => g.Select(p => p.Weight).Sum())
+            .OrderByDescending(g => g.Sum(p => p.Weight))
             .Select(g => new RawVaribute(g.Key.SortId, g.Key.AttrId, g.Key.CultId));
         public IEnumerable<RawVaribute> FilteredVaributes => FilteredParts
             .GroupBy(p => (p.SortId, p.AttrId, p.CultId))
-            .OrderByDescending(g => g.Select(p => p.Weight).Sum())
+            .OrderByDescending(g => g.Sum(p => p.Weight))
             .Select(g => new RawVaribute(g.Key.SortId, g.Key.AttrId, g.Key.CultId));
         public string VaributeString => string.Join(", ", Vaributes);
         public string FilteredVaributeString => string.Join(", ", FilteredVaributes);
@@ -153,7 +153,7 @@ namespace Elwig.Models.Entities {
                 Member.Name, Member.MiddleName, Member.GivenName, Member.BillingAddress?.FullName,
                 Comment
             }.ToList();
-            list.AddRange(Parts.Select(p => p.Comment).Distinct());
+            list.AddRange(FilteredParts.Select(p => p.Comment).Distinct());
             return Utils.GetSearchScore(list, keywords);
         }
     }

Elwig/Models/Entities/WineOrigin.cs

@@ -27,13 +27,15 @@ namespace Elwig.Models.Entities {
         public virtual ICollection<WbGem> Gems { get; private set; } = null!;
 
         [InverseProperty(nameof(Parent))]
-        public virtual ICollection<WineOrigin> Children { get; private set; } = null!;
+        public virtual ICollection<WineOrigin> RealChildren { get; private set; } = null!;
+        [NotMapped]
+        public List<WineOrigin> Children { get; private set; } = [];
 
         public int Level => (Parent?.Level + 1) ?? 0;
 
         public string HkIdLevel => $"{new string(' ', Level * 2)}{HkId}";
 
-        public int TotalChildNum => 1 + Children.Select(c => c.TotalChildNum).Sum();
+        public int TotalChildNum => 1 + Children.Sum(c => c.TotalChildNum);
 
         private int SortKey1 => (Parent?.SortKey1 ?? 0) | (TotalChildNum << ((3 - Level) * 8));
         public int SortKey => SortKey1 | ((Level < 3) ? (-1 >>> (Level * 8 + 8)) : 0);

Elwig/Resources/Sql/37-38.sql

@@ -0,0 +1,239 @@
+-- schema version 37 to 38
+
+UPDATE client_parameter SET value = '0' WHERE param = 'ENABLE_TIME_TRIGGERS';
+
+DROP TRIGGER t_area_commitment_i_ctime;
+DROP TRIGGER t_area_commitment_u_ctime;
+DROP TRIGGER t_area_commitment_i_mtime;
+DROP TRIGGER t_area_commitment_u_mtime;
+
+CREATE TABLE area_commitment_contract (
+    fbnr      INTEGER NOT NULL,
+
+    kgnr      INTEGER NOT NULL,
+    rdnr      INTEGER,
+
+    comment   TEXT             DEFAULT NULL,
+    ctime     INTEGER NOT NULL DEFAULT (UNIXEPOCH()),
+    mtime     INTEGER NOT NULL DEFAULT (UNIXEPOCH()),
+    xtime     INTEGER          DEFAULT NULL,
+    itime     INTEGER          DEFAULT NULL,
+
+    CONSTRAINT area_commitment_contract PRIMARY KEY (fbnr),
+    CONSTRAINT fk_area_commitment_contract_wb_kg FOREIGN KEY (kgnr) REFERENCES wb_kg (kgnr)
+        ON UPDATE CASCADE
+        ON DELETE RESTRICT,
+    CONSTRAINT fk_area_commitment_contract_wb_rd FOREIGN KEY (kgnr, rdnr) REFERENCES wb_rd (kgnr, rdnr)
+        ON UPDATE CASCADE
+        ON DELETE RESTRICT
+) STRICT;
+
+CREATE TABLE area_commitment_new (
+    fbnr      INTEGER NOT NULL,
+    revnr     INTEGER NOT NULL,
+    mgnr      INTEGER NOT NULL,
+
+    vtrgid    TEXT    NOT NULL,
+    cultid    TEXT             DEFAULT NULL,
+    area      INTEGER NOT NULL,
+    gstnr     TEXT    NOT NULL,
+
+    year_from INTEGER CHECK (year_from >= 1000 AND year_from <= 9999) DEFAULT NULL,
+    year_to   INTEGER CHECK (year_to   >= 1000 AND year_to   <= 9999) DEFAULT NULL,
+
+    ctime     INTEGER NOT NULL DEFAULT (UNIXEPOCH()),
+    mtime     INTEGER NOT NULL DEFAULT (UNIXEPOCH()),
+    xtime     INTEGER          DEFAULT NULL,
+    itime     INTEGER          DEFAULT NULL,
+
+    CONSTRAINT pk_area_commitment PRIMARY KEY (fbnr, revnr),
+    CONSTRAINT fk_area_commitment_area_commitment_contract FOREIGN KEY (fbnr) REFERENCES area_commitment_contract (fbnr)
+        ON UPDATE CASCADE
+        ON DELETE CASCADE,
+    CONSTRAINT fk_area_commitment_member FOREIGN KEY (mgnr) REFERENCES member (mgnr)
+        ON UPDATE CASCADE
+        ON DELETE RESTRICT,
+    CONSTRAINT fk_area_commitment_area_commitment_type FOREIGN KEY (vtrgid) REFERENCES area_commitment_type (vtrgid)
+        ON UPDATE CASCADE
+        ON DELETE RESTRICT,
+    CONSTRAINT fk_area_commitment_wine_cultivation FOREIGN KEY (cultid) REFERENCES wine_cultivation (cultid)
+        ON UPDATE CASCADE
+        ON DELETE RESTRICT
+) STRICT;
+
+INSERT INTO area_commitment_contract (fbnr, kgnr, rdnr, comment, ctime, mtime, xtime, itime)
+SELECT fbnr, kgnr, rdnr, comment, ctime, mtime, xtime, itime
+FROM area_commitment;
+
+INSERT INTO area_commitment_new (fbnr, revnr, mgnr, vtrgid, cultid, area, gstnr, year_from, year_to, ctime, mtime, xtime, itime)
+SELECT fbnr, 1, mgnr, vtrgid, cultid, area, gstnr, year_from, year_to, ctime, mtime, xtime, itime
+FROM area_commitment;
+
+PRAGMA foreign_keys = OFF;
+PRAGMA writable_schema = ON;
+DROP TABLE area_commitment;
+ALTER TABLE area_commitment_new RENAME TO area_commitment;
+PRAGMA writable_schema = OFF;
+PRAGMA foreign_keys = ON;
+
+CREATE TRIGGER t_area_commitment_contract_i_ctime
+    AFTER INSERT ON area_commitment_contract FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1 AND NEW.ctime != UNIXEPOCH()
+BEGIN
+    UPDATE area_commitment_contract SET ctime = UNIXEPOCH() WHERE fbnr = NEW.fbnr;
+END;
+
+CREATE TRIGGER t_area_commitment_contract_u_ctime
+    BEFORE UPDATE ON area_commitment_contract FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1 AND OLD.ctime != NEW.ctime
+BEGIN
+    SELECT RAISE(ABORT, 'It is not allowed to change ctime');
+END;
+
+CREATE TRIGGER t_area_commitment_contract_i_mtime
+    AFTER INSERT ON area_commitment_contract FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1 AND NEW.mtime != UNIXEPOCH()
+BEGIN
+    UPDATE area_commitment_contract SET mtime = UNIXEPOCH() WHERE fbnr = NEW.fbnr;
+END;
+
+CREATE TRIGGER t_area_commitment_contract_u_mtime
+    AFTER UPDATE ON area_commitment_contract FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1 AND NEW.mtime != UNIXEPOCH()
+BEGIN
+    UPDATE area_commitment_contract SET mtime = UNIXEPOCH() WHERE fbnr = NEW.fbnr;
+END;
+
+CREATE TRIGGER t_area_commitment_i_ctime
+    AFTER INSERT ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1 AND NEW.ctime != UNIXEPOCH()
+BEGIN
+    UPDATE area_commitment SET ctime = UNIXEPOCH() WHERE (fbnr, revnr) = (NEW.fbnr, NEW.revnr);
+END;
+
+CREATE TRIGGER t_area_commitment_u_ctime
+    BEFORE UPDATE ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1 AND OLD.ctime != NEW.ctime
+BEGIN
+    SELECT RAISE(ABORT, 'It is not allowed to change ctime');
+END;
+
+CREATE TRIGGER t_area_commitment_i_mtime
+    AFTER INSERT ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1 AND NEW.mtime != UNIXEPOCH()
+BEGIN
+    UPDATE area_commitment SET mtime = UNIXEPOCH() WHERE (fbnr, revnr) = (NEW.fbnr, NEW.revnr);
+END;
+
+CREATE TRIGGER t_area_commitment_u_mtime
+    AFTER UPDATE ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1 AND NEW.mtime != UNIXEPOCH()
+BEGIN
+    UPDATE area_commitment SET mtime = UNIXEPOCH() WHERE (fbnr, revnr) = (NEW.fbnr, NEW.revnr);
+END;
+
+CREATE TRIGGER t_area_commitment_i_mtime_contract
+    AFTER INSERT ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1
+BEGIN
+    UPDATE area_commitment_contract SET mtime = UNIXEPOCH() WHERE fbnr = NEW.fbnr;
+END;
+
+CREATE TRIGGER t_area_commitment_u_mtime_contract
+    AFTER UPDATE ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1
+BEGIN
+    UPDATE area_commitment_contract SET mtime = UNIXEPOCH() WHERE fbnr = NEW.fbnr OR fbnr = OLD.fbnr;
+END;
+
+CREATE TRIGGER t_area_commitment_d_mtime_contract
+    AFTER DELETE ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1
+BEGIN
+    UPDATE area_commitment_contract SET mtime = UNIXEPOCH() WHERE fbnr = OLD.fbnr;
+END;
+
+CREATE TRIGGER t_area_commitment_i_mtime_member
+    AFTER INSERT ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1
+BEGIN
+    UPDATE member  SET mtime = UNIXEPOCH() WHERE mgnr = NEW.mgnr;
+END;
+
+CREATE TRIGGER t_area_commitment_u_mtime_member
+    AFTER UPDATE ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1
+BEGIN
+    UPDATE member SET mtime = UNIXEPOCH() WHERE mgnr = NEW.mgnr OR mgnr = OLD.mgnr;
+END;
+
+CREATE TRIGGER t_area_commitment_d_mtime_member
+    AFTER DELETE ON area_commitment FOR EACH ROW
+    WHEN (SELECT value FROM client_parameter WHERE param = 'ENABLE_TIME_TRIGGERS') = 1
+BEGIN
+    UPDATE member SET mtime = UNIXEPOCH() WHERE mgnr = OLD.mgnr;
+END;
+
+-- fix user fiddling - set actual year_from
+UPDATE area_commitment AS b
+SET fbnr = a.fbnr, revnr = b.fbnr, year_from = a.year_to + 1
+FROM area_commitment AS a
+WHERE a.fbnr < b.fbnr
+  AND COALESCE(a.year_from <= a.year_to, TRUE)
+  AND COALESCE(b.year_from <= b.year_to, TRUE)
+  AND SUBSTR(a.vtrgid, 0, 2) = SUBSTR(b.vtrgid, 0, 2)
+  AND (SELECT c.kgnr = d.kgnr AND COALESCE(c.rdnr = d.rdnr, TRUE) FROM area_commitment_contract c, area_commitment_contract d WHERE c.fbnr = a.fbnr AND d.fbnr = b.fbnr)
+  AND ((IIF(INSTR(a.gstnr, b.gstnr) > 0, 1, 0) + IIF(INSTR(b.gstnr, a.gstnr) > 0, 1, 0) + IIF(a.area = b.area, 2, 0) + (a.mgnr = b.mgnr)) > 1)
+  AND ((a.year_from = b.year_from AND b.year_to IS NULL AND a.year_to IS NOT NULL));
+
+-- simple
+UPDATE area_commitment AS b
+SET fbnr = a.fbnr, revnr = b.fbnr
+FROM area_commitment AS a
+WHERE a.fbnr < b.fbnr
+  AND COALESCE(a.year_from <= a.year_to, TRUE)
+  AND COALESCE(b.year_from <= b.year_to, TRUE)
+  AND SUBSTR(a.vtrgid, 0, 2) = SUBSTR(b.vtrgid, 0, 2)
+  AND (SELECT c.kgnr = d.kgnr AND COALESCE(c.rdnr = d.rdnr, TRUE) FROM area_commitment_contract c, area_commitment_contract d WHERE c.fbnr = a.fbnr AND d.fbnr = b.fbnr)
+  AND (a.gstnr = b.gstnr OR a.gstnr IN ('offen', '', '-')) AND a.area = b.area
+  AND a.year_to + 1 = b.year_from;
+
+-- copy comments
+UPDATE area_commitment_contract AS b
+SET comment = IIF(b.comment IS NULL, a.comment, CONCAT(b.comment, '; ', a.comment))
+FROM area_commitment_contract AS a
+WHERE a.comment IS NOT NULL AND a.fbnr IN (SELECT revnr FROM area_commitment WHERE revnr > 1 AND fbnr = b.fbnr);
+
+-- fix revnr
+UPDATE area_commitment AS b
+SET revnr = a.revnr + 1
+FROM area_commitment AS a
+WHERE a.fbnr = b.fbnr AND a.revnr < b.revnr;
+UPDATE area_commitment AS b
+SET revnr = a.revnr + 1
+FROM area_commitment AS a
+WHERE a.fbnr = b.fbnr AND a.revnr < b.revnr;
+UPDATE area_commitment AS b
+SET revnr = a.revnr + 1
+FROM area_commitment AS a
+WHERE a.fbnr = b.fbnr AND a.revnr < b.revnr;
+
+-- fix year_from
+UPDATE area_commitment AS b
+SET year_from = a.year_to + 1
+FROM area_commitment AS a
+WHERE a.fbnr = b.fbnr AND a.revnr = b.revnr - 1
+  AND a.year_to = b.year_from;
+UPDATE area_commitment AS b
+SET year_from = a.year_to + 1
+FROM area_commitment AS a
+WHERE a.fbnr = b.fbnr AND a.revnr = b.revnr - 1
+  AND a.year_to = b.year_from;
+
+-- delete unreferenced contracts
+DELETE FROM area_commitment_contract
+WHERE fbnr IN (SELECT c.fbnr FROM area_commitment_contract c
+                           LEFT JOIN area_commitment a ON a.fbnr = c.fbnr
+               WHERE a.fbnr IS NULL);
+
+UPDATE client_parameter SET value = '1' WHERE param = 'ENABLE_TIME_TRIGGERS';

Elwig/Services/AreaComService.cs

@@ -20,41 +20,45 @@ namespace Elwig.Services {
         }
 
         public static void ClearInputs(this AreaComAdminViewModel vm) {
+            vm.Period = null;
+        }
+
+        public static void FillInputs(this AreaComAdminViewModel vm, AreaComContract c) {
+            vm.FbNr = c.FbNr;
+            vm.Period = c.YearTo == null ? $"ab {c.YearFrom}" : $"{c.YearFrom}\u2013{c.YearTo}";
+            vm.Comment = c.Comment;
+            vm.Kg = ControlUtils.GetItemFromSourceWithPk(vm.KgSource, c.KgNr) as AT_Kg;
+            vm.Rd = ControlUtils.GetItemFromSourceWithPk(vm.RdSource, c.KgNr, c.RdNr) as WbRd;
         }
 
         public static void FillInputs(this AreaComAdminViewModel vm, AreaCom a) {
-            vm.FbNr = a.FbNr;
             vm.MgNr = a.MgNr;
             vm.YearFrom = a.YearFrom;
             vm.YearTo = a.YearTo;
             vm.AreaComType = ControlUtils.GetItemFromSourceWithPk(vm.AreaComTypeSource, a.VtrgId) as AreaComType;
             vm.WineCult = ControlUtils.GetItemFromSourceWithPk(vm.WineCultSource, a.CultId) as WineCult;
-            vm.Comment = a.Comment;
-            vm.Kg = ControlUtils.GetItemFromSourceWithPk(vm.KgSource, a.KgNr) as AT_Kg;
-            vm.Rd = ControlUtils.GetItemFromSourceWithPk(vm.RdSource, a.KgNr, a.RdNr) as WbRd;
             vm.GstNr = a.GstNr;
             vm.Area = a.Area;
         }
 
-        public static async Task<(List<string>, IQueryable<AreaCom>, List<string>)> GetFilters(this AreaComAdminViewModel vm, AppDbContext ctx) {
+        public static async Task<(List<string>, IQueryable<AreaComContract>, IQueryable<AreaCom>, List<string>)> GetFilters(this AreaComAdminViewModel vm, AppDbContext ctx) {
             List<string> filterNames = [];
             IQueryable<AreaCom> areaComQuery = ctx.AreaCommitments.Where(a => a.MgNr == vm.FilterMember.MgNr).OrderBy(a => a.FbNr);
-            if (vm.ShowOnlyActiveAreaComs) {
+            if (vm.FilterSeason is int season) {
-                areaComQuery = Utils.ActiveAreaCommitments(areaComQuery, Utils.CurrentLastSeason);
+                areaComQuery = Utils.ActiveAreaCommitments(areaComQuery, season);
-                filterNames.Add($"laufend {Utils.CurrentLastSeason}");
+                filterNames.Add($"laufend {season}");
             }
 
             var filterVar = new List<string>();
             var filterNotVar = new List<string>();
             var filterAttr = new List<string>();
             var filterNotAttr = new List<string>();
-            var filterSeasons = new List<int>();
 
             var filter = vm.TextFilter;
             if (filter.Count > 0) {
-                var var = await ctx.WineVarieties.ToDictionaryAsync(v => v.SortId, v => v);
+                var var = await ctx.FetchWineVarieties().ToDictionaryAsync(v => v.SortId, v => v);
-                var attr = await ctx.WineAttributes.ToDictionaryAsync(a => a.Name.ToLower().Split(" ")[0], a => a);
+                var attrId = await ctx.FetchWineAttributes().ToDictionaryAsync(a => a.AttrId, a => a);
-                var attrId = await ctx.WineAttributes.ToDictionaryAsync(a => a.AttrId, a => a);
+                var attr = attrId.Values.ToDictionary(a => a.Name.ToLower().Split(" ")[0], a => a);
 
                 for (int i = 0; i < filter.Count; i++) {
                     var e = filter[i];
@@ -88,10 +92,6 @@ namespace Elwig.Services {
                         filter.RemoveAt(i--);
                         filterNames.Add($"ohne {var[e[1..3].ToUpper()].Name}");
                         filterNames.Add($"ohne Attribut {attrId[e[3..].ToUpper()].Name}");
-                    } else if (e.Length == 4 && int.TryParse(e, out var year)) {
-                        filterSeasons.Add(year);
-                        filter.RemoveAt(i--);
-                        filterNames.Add($"laufend {e}");
                     }
                 }
 
@@ -99,38 +99,50 @@ namespace Elwig.Services {
                 if (filterNotVar.Count > 0) areaComQuery = areaComQuery.Where(a => !filterNotVar.Contains(a.AreaComType.WineVar.SortId));
                 if (filterAttr.Count > 0) areaComQuery = areaComQuery.Where(a => a.AreaComType.WineAttr!.AttrId != null && filterAttr.Contains(a.AreaComType.WineAttr.AttrId));
                 if (filterNotAttr.Count > 0) areaComQuery = areaComQuery.Where(a => a.AreaComType.WineAttr!.AttrId == null || !filterNotAttr.Contains(a.AreaComType.WineAttr.AttrId));
-                foreach (var year in filterSeasons) areaComQuery = Utils.ActiveAreaCommitments(areaComQuery, year);
             }
 
-            return (filterNames, areaComQuery, filter);
+            IQueryable<AreaComContract> contracts = areaComQuery
+                .Select(c => c.Contract).Distinct()
+                .OrderBy(c => c.FbNr);
+
+            return (filterNames, contracts, areaComQuery, filter);
         }
 
-        public static async Task<int> UpdateAreaCommitment(this AreaComAdminViewModel vm, int? oldFbNr) {
+        public static async Task<(int FbNr, int RevNr)> UpdateAreaCommitment(this AreaComAdminViewModel vm, int? oldFbNr, int? revNr) {
             int newFbNr = vm.FbNr!.Value;
 
             return await Task.Run(async () => {
                 using var ctx = new AppDbContext();
+                var c = new AreaComContract {
+                    FbNr = oldFbNr ?? newFbNr,
+                    Comment = string.IsNullOrEmpty(vm.Comment) ? null : vm.Comment,
+                    KgNr = vm.Kg!.KgNr,
+                    RdNr = vm.Rd?.RdNr,
+                };
                 var a = new AreaCom {
                     FbNr = oldFbNr ?? newFbNr,
+                    RevNr = revNr ?? await ctx.NextRevNr(oldFbNr ?? newFbNr),
                     MgNr = vm.MgNr!.Value,
                     YearFrom = vm.YearFrom,
                     YearTo = vm.YearTo,
                     VtrgId = vm.AreaComType!.VtrgId,
                     CultId = vm.WineCult?.CultId,
-                    Comment = string.IsNullOrEmpty(vm.Comment) ? null : vm.Comment,
-                    KgNr = vm.Kg!.KgNr,
-                    RdNr = vm.Rd?.RdNr,
                     GstNr = vm.GstNr?.Trim() ?? "-",
                     Area = vm.Area!.Value,
                 };
 
                 if (vm.Rd?.RdNr == 0) {
-                    vm.Rd.RdNr = await ctx.NextRdNr(a.KgNr);
+                    vm.Rd.RdNr = await ctx.NextRdNr(c.KgNr);
-                    a.RdNr = vm.Rd.RdNr;
+                    c.RdNr = vm.Rd.RdNr;
                     ctx.Add(vm.Rd);
                 }
 
                 if (oldFbNr != null) {
+                    ctx.Update(c);
+                } else {
+                    ctx.Add(c);
+                }
+                if (revNr != null) {
                     ctx.Update(a);
                 } else {
                     ctx.Add(a);
@@ -139,10 +151,10 @@ namespace Elwig.Services {
                 await ctx.SaveChangesAsync();
 
                 if (newFbNr != a.FbNr) {
-                    await ctx.Database.ExecuteSqlAsync($"UPDATE area_commitment SET fbnr = {newFbNr} WHERE fbnr = {oldFbNr}");
+                    await ctx.Database.ExecuteSqlAsync($"UPDATE area_commitment_contract SET fbnr = {newFbNr} WHERE fbnr = {oldFbNr}");
                 }
 
-                return newFbNr;
+                return (newFbNr, a.RevNr);
             });
         }
 
@@ -256,7 +268,16 @@ namespace Elwig.Services {
         public static async Task DeleteAreaCom(int fbnr) {
             await Task.Run(async () => {
                 using var ctx = new AppDbContext();
-                var l = (await ctx.AreaCommitments.FindAsync(fbnr))!;
+                var l = (await ctx.AreaCommitmentContracts.FindAsync(fbnr))!;
+                ctx.Remove(l);
+                await ctx.SaveChangesAsync();
+            });
+        }
+
+        public static async Task DeleteAreaComRevision(int fbnr, int revnr) {
+            await Task.Run(async () => {
+                using var ctx = new AppDbContext();
+                var l = (await ctx.AreaCommitments.FindAsync(fbnr, revnr))!;
                 ctx.Remove(l);
                 await ctx.SaveChangesAsync();
             });

Elwig/Services/DeliveryAncmtService.cs

@@ -65,11 +65,11 @@ namespace Elwig.Services {
 
             var filter = vm.TextFilter;
             if (filter.Count > 0) {
-                var var = await ctx.WineVarieties.ToDictionaryAsync(v => v.SortId, v => v);
+                var var = await ctx.FetchWineVarieties().ToDictionaryAsync(v => v.SortId, v => v);
-                var mgnr = await ctx.Members.ToDictionaryAsync(m => m.MgNr.ToString(), m => m);
+                var mgnr = await ctx.FetchMembers(includeNotActive: true).ToDictionaryAsync(m => m.MgNr.ToString(), m => m);
-                var zwst = await ctx.Branches.ToDictionaryAsync(b => b.Name.ToLower().Split(' ')[0], b => b);
+                var zwst = await ctx.FetchBranches().ToDictionaryAsync(b => b.Name.ToLower().Split(' ')[0], b => b);
-                var attr = await ctx.WineAttributes.ToDictionaryAsync(a => a.Name.ToLower().Split(' ')[0], a => a);
+                var attr = await ctx.FetchWineAttributes().ToDictionaryAsync(a => a.Name.ToLower().Split(' ')[0], a => a);
-                var cult = await ctx.WineCultivations.ToDictionaryAsync(c => c.Name.ToLower().Split(' ')[0], c => c);
+                var cult = await ctx.FetchWineCultivations().ToDictionaryAsync(c => c.Name.ToLower().Split(' ')[0], c => c);
 
                 for (int i = 0; i < filter.Count; i++) {
                     var e = filter[i];
@@ -318,18 +318,13 @@ namespace Elwig.Services {
                 AddToolTipCell(grid, $"{weight * 100.0 / total2:N1} %", row, 4, 1, bold, true);
         }
 
-        public static async Task<(string, Grid)> GenerateToolTip(IQueryable<DeliveryAncmt> deliveryAncmts) {
+        public static async Task<(string Text, (string?, string?, int, int?, int)[] Grid)> GenerateToolTipData(IQueryable<DeliveryAncmt> deliveryAncmts) {
-            var grid = new Grid();
+            var grid = new List<(string?, string?, int, int?, int)>();
-            grid.ColumnDefinitions.Add(new() { Width = new(10) });
-            grid.ColumnDefinitions.Add(new() { Width = new(60) });
-            grid.ColumnDefinitions.Add(new() { Width = new(80) });
-            grid.ColumnDefinitions.Add(new() { Width = new(50) });
-            grid.ColumnDefinitions.Add(new() { Width = new(50) });
             var text = "-";
 
             var weight = await deliveryAncmts.SumAsync(p => p.Weight);
             text = $"{weight:N0} kg";
-            AddToolTipRow(grid, 0, "Menge", null, weight, null, weight);
+            grid.Add(("Menge", null, weight, null, weight));
 
             if (await deliveryAncmts.AnyAsync()) {
                 var attrGroups = await deliveryAncmts
@@ -370,13 +365,11 @@ namespace Elwig.Services {
                     .ThenBy(g => g.SortId)
                     .ToListAsync();
 
-                int rowNum = 1;
                 foreach (var attrG in attrGroups) {
-                    rowNum++;
                     var name = attrG.Attr == null && attrG.Cult == null ? null : attrG.Attr + (attrG.Attr != null && attrG.Cult != null ? " / " : "") + attrG.Cult;
-                    AddToolTipRow(grid, rowNum++, name, null, attrG.Weight, attrG.Weight, weight);
+                    grid.Add((name, null, attrG.Weight, attrG.Weight, weight));
                     foreach (var g in groups.Where(g => g.Attr == attrG.Attr && g.Cult == attrG.Cult).OrderByDescending(g => g.Weight).ThenBy(g => g.SortId)) {
-                        AddToolTipRow(grid, rowNum++, null, g.SortId, g.Weight, attrG.Weight, weight);
+                        grid.Add((null, g.SortId, g.Weight, attrG.Weight, weight));
                     }
                 }
 
@@ -395,7 +388,22 @@ namespace Elwig.Services {
                 }
             }
 
-            return (text, grid);
+            return (text, grid.ToArray());
+        }
+
+        public static Grid GenerateToolTip((string?, string?, int, int?, int)[] data) {
+            var grid = new Grid();
+            grid.ColumnDefinitions.Add(new() { Width = new(10) });
+            grid.ColumnDefinitions.Add(new() { Width = new(60) });
+            grid.ColumnDefinitions.Add(new() { Width = new(80) });
+            grid.ColumnDefinitions.Add(new() { Width = new(50) });
+            grid.ColumnDefinitions.Add(new() { Width = new(50) });
+            int rowNum = 0;
+            foreach (var row in data) {
+                if (rowNum != 0 && row.Item2 == null) rowNum++;
+                AddToolTipRow(grid, rowNum++, row.Item1, row.Item2, row.Item3, row.Item4, row.Item5);
+            }
+            return grid;
         }
     }
 }

Elwig/Services/DeliveryScheduleService.cs

@@ -60,8 +60,8 @@ namespace Elwig.Services {
 
             var filter = vm.TextFilter;
             if (filter.Count > 0) {
-                var var = await ctx.WineVarieties.ToDictionaryAsync(v => v.SortId, v => v);
+                var var = await ctx.FetchWineVarieties().ToDictionaryAsync(v => v.SortId, v => v);
-                var zwst = await ctx.Branches.ToDictionaryAsync(b => b.Name.ToLower().Split(" ")[0], b => b);
+                var zwst = await ctx.FetchBranches().ToDictionaryAsync(b => b.Name.ToLower().Split(" ")[0], b => b);
 
                 for (int i = 0; i < filter.Count; i++) {
                     var e = filter[i];
@@ -174,12 +174,12 @@ namespace Elwig.Services {
                     ctx.Add(s);
                 }
 
-                ctx.UpdateDeliveryScheduleWineVarieties(s, (await ctx.DeliveryScheduleWineVarieties
+                await ctx.UpdateDeliveryScheduleWineVarieties(s, (await ctx.DeliveryScheduleWineVarieties
                     .Where(v => v.Year == s.Year && v.DsNr == s.DsNr)
                     .Select(v => new { v.Variety, v.Priority })
                     .ToListAsync())
-                    .Select(v => (v.Variety, v.Priority))
+                    .Select(v => (v.Variety.SortId, v.Priority))
-                    .ToList(), vm.MainVarieties.Select(v => (v, 1)).Union(vm.OtherVarieties.Select(v => (v, 2))).ToList());
+                    .ToList(), vm.MainVarieties.Select(v => (v.SortId, 1)).Union(vm.OtherVarieties.Select(v => (v.SortId, 2))).ToList());
 
                 await ctx.SaveChangesAsync();
             });

Elwig/Services/DeliveryService.cs

@@ -27,10 +27,7 @@ namespace Elwig.Services {
 
         public static async Task<Member?> GetMemberAsync(int mgnr) {
             using var ctx = new AppDbContext();
-            return await ctx.Members
+            return await ctx.FetchMembers(mgnr).SingleOrDefaultAsync();
-                .Include(m => m.PostalDest.AtPlz!.Ort)
-                .Include(m => m.DefaultWbKg!.AtKg)
-                .FirstOrDefaultAsync(m => m.MgNr == mgnr);
         }
 
         public static Member? GetMember(int mgnr) {
@@ -71,7 +68,7 @@ namespace Elwig.Services {
             vm.IsNetWeight = p.IsNetWeight;
 
             vm.Modifiers.Clear();
-            foreach (var m in p.Modifiers) {
+            foreach (var m in p.PartModifiers) {
                 vm.Modifiers.Add((Modifier)ControlUtils.GetItemFromSourceWithPk(vm.ModifiersSource, m.Year, m.ModId)!);
             }
 
@@ -129,12 +126,12 @@ namespace Elwig.Services {
 
             var filter = vm.TextFilter;
             if (filter.Count > 0) {
-                var var = await ctx.WineVarieties.ToDictionaryAsync(v => v.SortId, v => v);
+                var var = await ctx.FetchWineVarieties().ToDictionaryAsync(v => v.SortId, v => v);
-                var qual = await ctx.WineQualityLevels.Where(q => !q.IsPredicate).ToDictionaryAsync(q => q.QualId, q => q);
+                var qual = await ctx.FetchWineQualityLevels(false).ToDictionaryAsync(q => q.QualId, q => q);
-                var mgnr = await ctx.Members.ToDictionaryAsync(m => m.MgNr.ToString(), m => m);
+                var mgnr = await ctx.FetchMembers(includeNotActive: true).ToDictionaryAsync(m => m.MgNr.ToString(), m => m);
-                var zwst = await ctx.Branches.ToDictionaryAsync(b => b.Name.ToLower().Split(' ')[0], b => b);
+                var zwst = await ctx.FetchBranches().ToDictionaryAsync(b => b.Name.ToLower().Split(' ')[0], b => b);
-                var attr = await ctx.WineAttributes.ToDictionaryAsync(a => a.Name.ToLower().Split(' ')[0], a => a);
+                var attr = await ctx.FetchWineAttributes().ToDictionaryAsync(a => a.Name.ToLower().Split(' ')[0], a => a);
-                var cult = await ctx.WineCultivations.ToDictionaryAsync(c => c.Name.ToLower().Split(' ')[0], c => c);
+                var cult = await ctx.FetchWineCultivations().ToDictionaryAsync(c => c.Name.ToLower().Split(' ')[0], c => c);
 
                 for (int i = 0; i < filter.Count; i++) {
                     var e = filter[i];
@@ -472,6 +469,7 @@ namespace Elwig.Services {
                 DeliveryPart p;
 
                 using var ctx = new AppDbContext();
+                using var tx = await ctx.Database.BeginTransactionAsync();
                 int year = oldYear ?? Utils.CurrentYear;
                 int did = oldDid ?? await ctx.NextDId(year);
                 int dpnr = oldDpnr ?? await ctx.NextDPNr(year, did);
@@ -548,21 +546,21 @@ namespace Elwig.Services {
                     ctx.Add(p);
                 }
 
-                ctx.UpdateDeliveryPartModifiers(p, await ctx.DeliveryPartModifiers
+                await ctx.UpdateDeliveryPartModifiers(p, await ctx.DeliveryPartModifiers
                     .Where(m => m.Year == p.Year && m.DId == p.DId && m.DPNr == p.DPNr)
-                    .Select(m => m.Modifier)
+                    .Select(m => m.ModId)
-                    .ToListAsync(), vm.Modifiers);
+                    .ToListAsync(), vm.Modifiers.Select(m => m.ModId).ToList());
 
                 if (originalMgNr != null && originalMgNr.Value != d.MgNr) {
                     // update origin (KgNr), if default is selected
-                    var newKgNr = (await ctx.Members.FindAsync(d.MgNr))?.DefaultKgNr;
+                    var newKgNr = (await ctx.FetchMembers(d.MgNr).SingleOrDefaultAsync())?.DefaultKgNr;
-                    foreach (var part in d.Parts.Where(part => part.DPNr != dpnr && part.KgNr == originalMemberKgNr)) {
+                    await ctx.DeliveryParts
-                        part.KgNr = newKgNr;
+                        .Where(p => p.Year == d.Year && p.DId == d.DId && p.DPNr != dpnr && p.KgNr == originalMemberKgNr)
-                        ctx.Update(part);
+                        .ExecuteUpdateAsync(u => u.SetProperty(p => p.KgNr, newKgNr));
-                    }
                 }
 
                 await ctx.SaveChangesAsync();
+                await tx.CommitAsync();
 
                 return p;
             });
@@ -574,7 +572,10 @@ namespace Elwig.Services {
 
                 using var ctx = new AppDbContext();
                 bool anyLeft = false;
-                var d = (await ctx.Deliveries.FindAsync(year, did))!;
+                var d = await ctx.Deliveries
+                    .Where(d => d.Year == year && d.DId == did)
+                    .Include(d => d.Parts).ThenInclude(p => p.PartModifiers)
+                    .SingleAsync();
                 var lnr = await ctx.NextLNr(d.Date, d.ZwstId);
                 n = new Delivery {
                     Year = year,
@@ -601,7 +602,11 @@ namespace Elwig.Services {
                         anyLeft = true;
                         p.Weight -= w;
                         ctx.Update(p);
-                        var s = ctx.CreateProxy<DeliveryPart>();
+                        var s = new DeliveryPart {
+                            SortId = null!,
+                            QualId = null!,
+                            HkId = null!,
+                        };
                         var values = ctx.Entry(p).CurrentValues;
                         ctx.Entry(s).CurrentValues.SetValues(values);
                         s.Year = n.Year;
@@ -632,8 +637,11 @@ namespace Elwig.Services {
                 Delivery n;
                 using var ctx = new AppDbContext();
                 var anyLeft = false;
-                n = (await ctx.Deliveries.FirstAsync(d => d.LsNr == lsnr))!;
+                n = (await ctx.Deliveries.Where(d => d.LsNr == lsnr).FirstAsync())!;
-                var d = (await ctx.Deliveries.FindAsync(year, did))!;
+                var d = await ctx.Deliveries
+                    .Where(d => d.Year == year && d.DId == did)
+                    .Include(d => d.Parts).ThenInclude(p => p.PartModifiers)
+                    .SingleAsync();
                 var dpnr = await ctx.NextDPNr(n.Year, n.DId);
                 foreach (var (p, w) in d.Parts.ToList().Zip(weights)) {
                     if (w <= 0) {
@@ -645,7 +653,11 @@ namespace Elwig.Services {
                         anyLeft = true;
                         p.Weight -= w;
                         ctx.Update(p);
-                        var s = ctx.CreateProxy<DeliveryPart>();
+                        var s = new DeliveryPart {
+                            SortId = null!,
+                            QualId = null!,
+                            HkId = null!,
+                        };
                         var values = ctx.Entry(p).CurrentValues;
                         ctx.Entry(s).CurrentValues.SetValues(values);
                         s.Year = n.Year;
@@ -674,7 +686,10 @@ namespace Elwig.Services {
         public static async Task DepreciateDelivery(int year, int did, int[] weights) {
             await Task.Run(async () => {
                 using var ctx = new AppDbContext();
-                var d = (await ctx.Deliveries.FindAsync(year, did))!;
+                var d = await ctx.Deliveries
+                    .Where(d => d.Year == year && d.DId == did)
+                    .Include(d => d.Parts).ThenInclude(p => p.PartModifiers)
+                    .SingleAsync();
                 var dpnr = await ctx.NextDPNr(year, did);
                 foreach (var (p, w) in d.Parts.ToList().Zip(weights)) {
                     if (w <= 0) {
@@ -686,7 +701,11 @@ namespace Elwig.Services {
                     } else {
                         p.Weight -= w;
                         ctx.Update(p);
-                        var n = ctx.CreateProxy<DeliveryPart>();
+                        var n = new DeliveryPart {
+                            SortId = null!,
+                            QualId = null!,
+                            HkId = null!,
+                        };
                         var values = ctx.Entry(p).CurrentValues;
                         ctx.Entry(n).CurrentValues.SetValues(values);
                         n.DPNr = dpnr++;
@@ -711,10 +730,8 @@ namespace Elwig.Services {
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
                 try {
-                    using var ctx = new AppDbContext();
+                    using var doc = await DeliveryNote.Initialize(year, did);
-                    var d = (await ctx.Deliveries.FindAsync(year, did))!;
+                    await Utils.ExportDocument(doc, mode, doc.Delivery.LsNr, (doc.Member, $"{DeliveryNote.Name} Nr. {doc.Delivery.LsNr}", $"Im Anhang finden Sie den {DeliveryNote.Name} Nr. {doc.Delivery.LsNr}"));
-                    using var doc = new DeliveryNote(d, ctx);
-                    await Utils.ExportDocument(doc, mode, d.LsNr, (d.Member, $"{DeliveryNote.Name} Nr. {d.LsNr}", $"Im Anhang finden Sie den {DeliveryNote.Name} Nr. {d.LsNr}"));
                 } catch (Exception exc) {
                     MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
                 }
@@ -792,9 +809,6 @@ namespace Elwig.Services {
                                 .Select(p => p.Delivery)
                                 .Distinct()
                                 .Include(d => d.Parts).ThenInclude(p => p.PartModifiers)
-                                .Include(d => d.Parts).ThenInclude(p => p.Rd)
-                                .Include(d => d.Parts).ThenInclude(p => p.Kg!.Gl)
-                                .AsSplitQuery()
                                 .ToListAsync();
                             var wbKgs = list
                                 .SelectMany(d => d.Parts)
@@ -937,7 +951,7 @@ namespace Elwig.Services {
                             tblTotal.FullName = DeliveryDepreciationList.Name;
                             tblTotal.Name = "Gesamt";
                             await ods.AddTable(tblTotal);
-                            foreach (var branch in await ctx.Branches.OrderBy(b => b.Name).ToListAsync()) {
+                            foreach (var branch in await ctx.FetchBranches().ToListAsync()) {
                                 var tbl = await DeliveryJournalData.FromQuery(query.Where(p => p.Delivery.ZwstId == branch.ZwstId), filterNames);
                                 tbl.FullName = DeliveryDepreciationList.Name;
                                 tbl.Name = branch.Name;
@@ -1048,16 +1062,23 @@ namespace Elwig.Services {
             var gGrid = new List<(string?, string?, double, double, double)>();
             var gText = "-";
 
-            var weight = await deliveryParts.SumAsync(p => p.Weight);
+            var stat = (await deliveryParts.GroupBy(p => 0)
-            wText = $"{weight:N0} kg";
+                .Select(g => new {
-            wGrid.Add(("Menge", null, weight, null, weight));
+                    Weight = g.Sum(p => p.Weight),
+                    Min = g.Select(p => (double?)p.Kmw).DefaultIfEmpty().Min(),
+                    Avg = g.Sum(p => p.Kmw * p.Weight) / g.Sum(p => p.Weight),
+                    Max = g.Select(p => (double?)p.Kmw).DefaultIfEmpty().Max(),
+                })
+                .ToListAsync())
+                .DefaultIfEmpty(new { Weight = 0, Min = (double?)null, Avg = (double)0, Max = (double?)null })
+                .Single();
 
-            if (await deliveryParts.AnyAsync()) {
+            wText = $"{stat.Weight:N0} kg";
-                var kmwMin = await deliveryParts.MinAsync(p => p.Kmw);
+            wGrid.Add(("Menge", null, stat.Weight, null, stat.Weight));
-                var kmwAvg = Utils.AggregateDeliveryPartsKmw(deliveryParts);
+
-                var kmwMax = await deliveryParts.MaxAsync(p => p.Kmw);
+            if (stat.Min != null && stat.Max != null) {
-                gText = $"{kmwMin:N1}° / {kmwAvg:N1}° / {kmwMax:N1}°";
+                gText = $"{stat.Min:N1}° / {stat.Avg:N1}° / {stat.Max:N1}°";
-                gGrid.Add(("Gradation", null, kmwMin, kmwAvg, kmwMax));
+                gGrid.Add(("Gradation", null, stat.Min.Value, stat.Avg, stat.Max.Value));
 
                 var attrGroups = await deliveryParts
                     .GroupBy(p => new { Attr = p.Attribute!.Name, Cult = p.Cultivation!.Name })
@@ -1108,9 +1129,9 @@ namespace Elwig.Services {
 
                 foreach (var attrG in attrGroups) {
                     var name = attrG.Attr == null && attrG.Cult == null ? null : attrG.Attr + (attrG.Attr != null && attrG.Cult != null ? " / " : "") + attrG.Cult;
-                    wGrid.Add((name, null, attrG.Weight, attrG.Weight, weight));
+                    wGrid.Add((name, null, attrG.Weight, attrG.Weight, stat.Weight));
                     foreach (var g in groups.Where(g => g.Attr == attrG.Attr && g.Cult == attrG.Cult).OrderByDescending(g => g.Weight).ThenBy(g => g.SortId)) {
-                        wGrid.Add((null, g.SortId, g.Weight, attrG.Weight, weight));
+                        wGrid.Add((null, g.SortId, g.Weight, attrG.Weight, stat.Weight));
                     }
                 }
                 foreach (var attrG in attrGroups) {
@@ -1129,12 +1150,12 @@ namespace Elwig.Services {
                         gText += $" [{name}]";
                     }
                     if (sortGroups.Count > 1 && sortGroups.Count <= 4) {
-                        wText += $" = {string.Join(" + ", sortGroups.Select(g => $"{g.Weight:N0} kg ({(double)g.Weight / weight:0%})" + (g.SortId == null ? "" : $" [{g.SortId}]")))}";
+                        wText += $" = {string.Join(" + ", sortGroups.Select(g => $"{g.Weight:N0} kg ({(double)g.Weight / stat.Weight:0%})" + (g.SortId == null ? "" : $" [{g.SortId}]")))}";
                         gText += $" = {string.Join(" + ", sortGroups.Select(g => $"{g.Min:N1}/{g.Avg:N1}/{g.Max:N1}" + (g.SortId == null ? "" : $" [{g.SortId}]")))}";
 
                     }
                 } else if (attrGroups.Count <= 4) {
-                    wText += $" = {string.Join(" + ", attrGroups.Select(g => $"{g.Weight:N0} kg ({(double)g.Weight / weight:0%})" + (g.Attr == null && g.Cult == null ? "" : $" [{g.Attr}{(g.Attr != null && g.Cult != null ? " / " : "")}{g.Cult}]")))}";
+                    wText += $" = {string.Join(" + ", attrGroups.Select(g => $"{g.Weight:N0} kg ({(double)g.Weight / stat.Weight:0%})" + (g.Attr == null && g.Cult == null ? "" : $" [{g.Attr}{(g.Attr != null && g.Cult != null ? " / " : "")}{g.Cult}]")))}";
                     gText += $" = {string.Join(" + ", attrGroups.Select(g => $"{g.Min:N1}/{g.Avg:N1}/{g.Max:N1}" + (g.Attr == null && g.Cult == null ? "" : $" [{g.Attr}{(g.Attr != null && g.Cult != null ? " / " : "")}{g.Cult}]")))}";
                 }
             }

Elwig/Services/MemberService.cs

@@ -172,7 +172,7 @@ namespace Elwig.Services {
                 var c = m.ActiveAreaCommitments(ctx, Utils.CurrentLastSeason);
                 int maxKgPerHa = 10_000;
                 try {
-                    var s = await ctx.Seasons.FindAsync(await ctx.Seasons.MaxAsync(s => s.Year));
+                    var s = await ctx.FetchSeasons().FirstOrDefaultAsync();
                     if (s != null) maxKgPerHa = s.MaxKgPerHa;
                 } catch { }
                 var (text, gridData) = await AreaComService.GenerateToolTipData(c, maxKgPerHa);
@@ -225,8 +225,8 @@ namespace Elwig.Services {
 
             var filter = vm.TextFilter;
             if (filter.Count > 0) {
-                var branches = await ctx.Branches.ToListAsync();
+                var branches = await ctx.FetchBranches().ToListAsync();
-                var mgnr = await ctx.Members.ToDictionaryAsync(m => m.MgNr.ToString(), m => m);
+                var mgnr = await ctx.FetchMembers(includeNotActive: true).ToDictionaryAsync(m => m.MgNr.ToString(), m => m);
                 var kgs = await ctx.WbKgs.ToDictionaryAsync(k => k.AtKg.Name.ToLower(), k => k.AtKg);
                 var areaComs = await ctx.AreaCommitmentTypes.ToDictionaryAsync(t => $"{t.SortId}{t.AttrId}", t => t);
 
@@ -395,8 +395,7 @@ namespace Elwig.Services {
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
                 try {
-                    using var ctx = new AppDbContext();
+                    using var doc = new MemberDataSheet(m);
-                    using var doc = new MemberDataSheet(m, ctx);
                     await Utils.ExportDocument(doc, mode, emailData: (m, MemberDataSheet.Name, "Im Anhang finden Sie das aktuelle Stammdatenblatt"));
                 } catch (Exception exc) {
                     MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
@@ -409,14 +408,12 @@ namespace Elwig.Services {
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
                 try {
-                    var b = new Billing(year);
+                    var b = await Billing.Create(year);
                     await b.FinishSeason();
                     await b.CalculateBuckets();
                     App.HintContextChange();
 
-                    using var ctx = new AppDbContext();
+                    using var doc = new DeliveryConfirmation(year, m, null);
-                    var data = await DeliveryConfirmationDeliveryData.ForMember(ctx.DeliveryParts, year, m);
-                    using var doc = new DeliveryConfirmation(ctx, year, m, data);
                     await Utils.ExportDocument(doc, mode, emailData: (m, $"{DeliveryConfirmation.Name} {year}", $"Im Anhang finden Sie die Anlieferungsbestätigung {year}"));
                 } catch (Exception exc) {
                     MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
@@ -429,16 +426,8 @@ namespace Elwig.Services {
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
                 try {
-                    using var ctx = new AppDbContext();
+                    using var doc = await CreditNote.Initialize(year, avnr, m.MgNr, null);
-                    var v = (await ctx.PaymentVariants.FindAsync(year, avnr))!;
+                    await Utils.ExportDocument(doc, mode, emailData: (m, $"{CreditNote.Name} {doc.Payment.Variant.Name}", $"Im Anhang finden Sie die Traubengutschrift {doc.Payment.Variant.Name}"));
-                    var data = await CreditNoteDeliveryData.ForPaymentVariant(ctx.CreditNoteDeliveryRows, ctx.PaymentVariants, year, avnr);
-                    var p = (await ctx.MemberPayments.FindAsync(year, avnr, m.MgNr))!;
-                    var b = BillingData.FromJson((await ctx.PaymentVariants.FindAsync(year, avnr))!.Data);
-
-                    using var doc = new CreditNote(ctx, p, data[m.MgNr],
-                        b.ConsiderContractPenalties, b.ConsiderTotalPenalty, b.ConsiderAutoBusinessShares, b.ConsiderCustomModifiers,
-                        await ctx.GetMemberUnderDelivery(year, m.MgNr));
-                    await Utils.ExportDocument(doc, mode, emailData: (m, $"{CreditNote.Name} {v.Name}", $"Im Anhang finden Sie die Traubengutschrift {v.Name}"));
                 } catch (Exception exc) {
                     MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
                 }
@@ -520,10 +509,8 @@ namespace Elwig.Services {
                         try {
                             var members = await query
                                 .OrderBy(m => m.MgNr)
-                                .Include(m => m.BillingAddress)
                                 .Include(m => m.TelephoneNumbers)
                                 .Include(m => m.EmailAddresses)
-                                .AsSplitQuery()
                                 .ToListAsync();
                             using var exporter = new VCard(d.FileName);
                             await exporter.ExportAsync(members);
@@ -548,16 +535,13 @@ namespace Elwig.Services {
                         try {
                             var members = await query
                                 .OrderBy(m => m.MgNr)
-                                .Include(m => m.BillingAddress)
                                 .Include(m => m.TelephoneNumbers)
                                 .Include(m => m.EmailAddresses)
-                                .Include(m => m.DefaultWbKg!.Gl)
-                                .AsSplitQuery()
                                 .ToListAsync();
                             var areaComs = await query
                                 .SelectMany(m => m.AreaCommitments)
-                                .Include(c => c.Rd)
+                                .Select(c => c.Contract).Distinct()
-                                .Include(c => c.Kg.Gl)
+                                .Include(c => c.Revisions)
                                 .ToListAsync();
                             var wbKgs = members
                                 .Where(m => m.DefaultWbKg != null)
@@ -681,19 +665,17 @@ namespace Elwig.Services {
                         .Where(c => c.MgNr == predecessor && (c.YearTo == null || c.YearTo >= year))
                         .ToListAsync();
 
-                    var fbNr = await ctx.NextFbNr();
+                    ctx.AddRange(await Task.WhenAll(areaComs.Select(async (c, i) => new AreaCom {
-                    ctx.AddRange(areaComs.Select((c, i) => new AreaCom {
+                        FbNr = c.FbNr,
-                        FbNr = fbNr + i,
+                        RevNr = await ctx.NextRevNr(c.FbNr),
                         MgNr = m.MgNr,
                         VtrgId = c.VtrgId,
                         CultId = c.CultId,
                         Area = c.Area,
-                        KgNr = c.KgNr,
                         GstNr = c.GstNr,
-                        RdNr = c.RdNr,
+                        YearFrom = year,
-                        YearFrom = vm.MaintainAreaComYearFrom ? c.YearFrom : year,
                         YearTo = c.YearTo,
-                    }));
+                    })));
 
                     foreach (var ac in areaComs)
                         ac.YearTo = year - 1;
@@ -725,18 +707,20 @@ namespace Elwig.Services {
         public static async Task DeleteMember(int mgnr, bool deletePaymentData, bool deleteDeliveries, bool deleteAreaComs) {
             await Task.Run(async () => {
                 using var ctx = new AppDbContext();
-                var l = (await ctx.Members.FindAsync(mgnr))!;
+                using var tx = await ctx.Database.BeginTransactionAsync();
+                var l = await ctx.FetchMembers(mgnr).SingleAsync();
                 if (deletePaymentData) {
-                    ctx.RemoveRange(l.Credits);
+                    await ctx.Credits.Where(c => c.MgNr == mgnr).ExecuteDeleteAsync();
                 }
                 if (deleteDeliveries) {
-                    ctx.RemoveRange(l.Deliveries);
+                    await ctx.Deliveries.Where(c => c.MgNr == mgnr).ExecuteDeleteAsync();
                 }
                 if (deleteAreaComs) {
-                    ctx.RemoveRange(l.AreaCommitments);
+                    await ctx.AreaCommitments.Where(c => c.MgNr == mgnr).ExecuteDeleteAsync();
                 }
                 ctx.Remove(l);
                 await ctx.SaveChangesAsync();
+                await tx.CommitAsync();
             });
         }
     }

Elwig/Services/PaymentVariantService.cs

@@ -214,9 +214,7 @@ namespace Elwig.Services {
                 Mouse.OverrideCursor = Cursors.Wait;
                 await Task.Run(async () => {
                     try {
-                        using var ctx = new AppDbContext();
+                        using var doc = await PaymentVariantSummary.Initialize(v.Year, v.AvNr);
-                        var data = await PaymentVariantSummaryData.ForPaymentVariant(v, ctx.PaymentVariantSummaryRows);
-                        using var doc = new PaymentVariantSummary((await ctx.PaymentVariants.FindAsync(v.Year, v.AvNr))!, data);
                         await Utils.ExportDocument(doc, mode);
                     } catch (Exception exc) {
                         MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
@@ -365,21 +363,21 @@ namespace Elwig.Services {
 
         public static async Task Calculate(int year, int avnr) {
             await Task.Run(async () => {
-                var b = new BillingVariant(year, avnr);
+                var b = await BillingVariant.Create(year, avnr);
                 await b.Calculate();
             });
         }
 
         public static async Task Commit(int year, int avnr) {
             await Task.Run(async () => {
-                var b = new BillingVariant(year, avnr);
+                var b = await BillingVariant.Create(year, avnr);
                 await b.Commit();
             });
         }
 
         public static async Task Revert(int year, int avnr) {
             await Task.Run(async () => {
-                var b = new BillingVariant(year, avnr);
+                var b = await BillingVariant.Create(year, avnr);
                 await b.Revert();
             });
         }

Elwig/Services/SyncService.cs

@@ -16,6 +16,7 @@ namespace Elwig.Services {
     public static class SyncService {
 
         public static readonly Expression<Func<Member, bool>> ChangedMembers = (m) => ((m.XTime == null && m.MTime > 1751328000) || m.MTime > m.XTime) && (m.ITime == null || m.MTime > m.ITime);
+        public static readonly Expression<Func<AreaComContract, bool>> ChangedAreaComContracts = (c) => ((c.XTime == null && c.MTime > 1751328000) || c.MTime > c.XTime) && (c.ITime == null || c.MTime > c.ITime);
         public static readonly Expression<Func<Delivery, bool>> ChangedDeliveries = (d) => ((d.XTime == null && d.MTime > 1751328000) || d.MTime > d.XTime) && (d.ITime == null || d.MTime > d.ITime);
 
         public static async Task Upload(string url, string username, string password, IQueryable<Member> query, IEnumerable<string> filterNames) {
@@ -24,17 +25,14 @@ namespace Elwig.Services {
                 var path = Path.Combine(App.TempPath, filename);
                 var members = await query
                     .OrderBy(m => m.MgNr)
-                    .Include(m => m.BillingAddress)
                     .Include(m => m.TelephoneNumbers)
                     .Include(m => m.EmailAddresses)
-                    .Include(m => m.DefaultWbKg!.Gl)
-                    .AsSplitQuery()
                     .ToListAsync();
                 var areaComs = await query
                     .SelectMany(m => m.AreaCommitments)
-                    .OrderBy(c => c.MgNr).ThenBy(c => c.FbNr)
+                    .Select(c => c.Contract).Distinct()
-                    .Include(c => c.Rd)
+                    .OrderBy(c => c.FbNr)
-                    .Include(c => c.Kg.Gl)
+                    .Include(c => c.Revisions)
                     .ToListAsync();
                 var wbKgs = members
                     .Where(m => m.DefaultWbKg != null)
@@ -50,7 +48,7 @@ namespace Elwig.Services {
                     var exportedAt = DateTime.Now;
                     await ElwigData.Export(path, members, areaComs, wbKgs, filterNames);
                     await Utils.UploadExportData(path, url, username, password);
-                    await UpdateExportedAt(members, [], exportedAt);
+                    await UpdateExportedAt(members, areaComs, [], exportedAt);
                     MessageBox.Show($"Hochladen von {members.Count:N0} Mitgliedern erfolgreich!", "Mitglieder hochgeladen",
                         MessageBoxButton.OK, MessageBoxImage.Information);
                 }
@@ -70,10 +68,7 @@ namespace Elwig.Services {
                 var list = await query
                     .Select(p => p.Delivery)
                     .Distinct()
-                    .Include(d => d.Parts).ThenInclude(p => p.PartModifiers).ThenInclude(m => m.Modifier)
+                    .Include(d => d.Parts).ThenInclude(p => p.PartModifiers)
-                    .Include(d => d.Parts).ThenInclude(p => p.Rd)
-                    .Include(d => d.Parts).ThenInclude(p => p.Kg!.Gl)
-                    .AsSplitQuery()
                     .ToListAsync();
                 var wbKgs = list
                     .SelectMany(d => d.Parts)
@@ -89,7 +84,7 @@ namespace Elwig.Services {
                     var exportedAt = DateTime.Now;
                     await ElwigData.Export(path, list, wbKgs, filterNames);
                     await Utils.UploadExportData(path, url, username, password);
-                    await UpdateExportedAt([], list, exportedAt);
+                    await UpdateExportedAt([], [], list, exportedAt);
                     MessageBox.Show($"Hochladen von {list.Count:N0} Lieferungen erfolgreich!", "Lieferungen hochgeladen",
                         MessageBoxButton.OK, MessageBoxImage.Information);
                 }
@@ -106,32 +101,24 @@ namespace Elwig.Services {
             try {
                 var path = Path.Combine(App.TempPath, $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.elwig.zip");
                 List<Member> members;
-                List<AreaCom> areaComs;
+                List<AreaComContract> areaComs;
                 List<Delivery> deliveries;
                 using (var ctx = new AppDbContext()) {
                     members = await ctx.Members
                         .Where(ChangedMembers)
-                        .Include(m => m.BillingAddress)
                         .Include(m => m.TelephoneNumbers)
                         .Include(m => m.EmailAddresses)
-                        .Include(m => m.DefaultWbKg!.Gl)
                         .OrderBy(m => m.MgNr)
-                        .AsSplitQuery()
                         .ToListAsync();
-                    areaComs = await ctx.Members
+                    areaComs = await ctx.AreaCommitmentContracts
-                       .Where(ChangedMembers)
+                       .Where(ChangedAreaComContracts)
-                       .SelectMany(m => m.AreaCommitments)
+                       .Include(c => c.Revisions)
-                       .Include(c => c.Rd)
+                       .OrderBy(c => c.FbNr)
-                       .Include(c => c.Kg.Gl)
-                       .OrderBy(c => c.MgNr).ThenBy(c => c.FbNr)
                        .ToListAsync();
                     deliveries = await ctx.Deliveries
                         .Where(ChangedDeliveries)
-                        .Include(d => d.Parts).ThenInclude(p => p.PartModifiers).ThenInclude(m => m.Modifier)
+                        .Include(d => d.Parts).ThenInclude(p => p.PartModifiers)
-                        .Include(d => d.Parts).ThenInclude(p => p.Rd)
-                        .Include(d => d.Parts).ThenInclude(p => p.Kg).ThenInclude(k => k!.Gl)
                         .OrderBy(d => d.DateString).ThenBy(d => d.TimeString).ThenBy(d => d.LsNr)
-                        .AsSplitQuery()
                         .ToListAsync();
                 }
                 var wbKgs = members
@@ -151,13 +138,13 @@ namespace Elwig.Services {
                     var exportedAt = DateTime.Now;
                     await (new ElwigData.ElwigExport {
                         Members = (members, ["geändert seit letztem Export"]),
-                        AreaComs = (areaComs, ["von exportierten Mitgliedern"]),
+                        AreaComs = (areaComs, ["geändert seit letztem Export"]),
                         Deliveries = (deliveries, ["geändert seit letzem Export"]),
                         WbKgs = (wbKgs, ["von exportierten Mitgliedern, Flächenbindungen und Lieferungen"]),
                     }).Export(path);
                     await Utils.UploadExportData(path, url, username, password);
-                    await UpdateExportedAt(members, deliveries, exportedAt);
+                    await UpdateExportedAt(members, areaComs, deliveries, exportedAt);
-                    MessageBox.Show($"Hochladen von {members.Count:N0} Mitgliedern und {deliveries.Count:N0} Lieferungen erfolgreich!", "Mitglieder und Lieferungen hochladen",
+                    MessageBox.Show($"Hochladen von {members.Count:N0} Mitgliedern, {areaComs.Count:N0} Flächenbindungsverträgen, und {deliveries.Count:N0} Lieferungen erfolgreich!", "Mitglieder und Lieferungen hochladen",
                         MessageBoxButton.OK, MessageBoxImage.Information);
                 }
             } catch (HttpRequestException exc) {
@@ -176,11 +163,8 @@ namespace Elwig.Services {
                 using var ctx = new AppDbContext();
                 var deliveries = await ctx.Deliveries
                     .Where(d => d.Year == year && d.ZwstId == App.ZwstId)
-                    .Include(d => d.Parts).ThenInclude(p => p.PartModifiers).ThenInclude(m => m.Modifier)
+                    .Include(d => d.Parts).ThenInclude(p => p.PartModifiers)
-                    .Include(d => d.Parts).ThenInclude(p => p.Rd)
-                    .Include(d => d.Parts).ThenInclude(p => p.Kg).ThenInclude(k => k!.Gl)
                     .OrderBy(d => d.DateString).ThenBy(d => d.TimeString).ThenBy(d => d.LsNr)
-                    .AsSplitQuery()
                     .ToListAsync();
                 var wbKgs = deliveries
                     .SelectMany(d => d.Parts)
@@ -195,7 +179,7 @@ namespace Elwig.Services {
                     var exportedAt = DateTime.Now;
                     await ElwigData.Export(path, deliveries, wbKgs, [$"{year}", $"Zweigstelle {App.BranchName}"]);
                     await Utils.UploadExportData(path, url, username, password);
-                    await UpdateExportedAt([], deliveries, exportedAt);
+                    await UpdateExportedAt([], [], deliveries, exportedAt);
                     MessageBox.Show($"Hochladen von {deliveries.Count:N0} Lieferungen erfolgreich!", "Lieferungen hochladen",
                         MessageBoxButton.OK, MessageBoxImage.Information);
                 }
@@ -251,19 +235,21 @@ namespace Elwig.Services {
             }
         }
 
-        private static async Task UpdateExportedAt(IEnumerable<Member> member, IEnumerable<Delivery> deliveries, DateTime dateTime) {
+        private static async Task UpdateExportedAt(IEnumerable<Member> member, IEnumerable<AreaComContract> contracts, IEnumerable<Delivery> deliveries, DateTime dateTime) {
             var timestamp = ((DateTimeOffset)dateTime.ToUniversalTime()).ToUnixTimeSeconds();
             var mgnrs = string.Join(",", member.Select(m => $"{m.MgNr}").Append("0"));
+            var fbnrs = string.Join(",", contracts.Select(c => $"{c.FbNr}").Append("0"));
             var dids = string.Join(",", deliveries.Select(d => $"({d.Year},{d.DId})").Append("(0,0)"));
             using (var cnx = await AppDbContext.ConnectAsync()) {
                 await cnx.ExecuteBatch($"""
                     BEGIN;
-                    UPDATE client_parameter SET value = '0' WHERE param = 'ENABLE_TIME_TRIGGERS';
+                    UPDATE client_parameter          SET value = '0' WHERE param = 'ENABLE_TIME_TRIGGERS';
-                    UPDATE member           SET xtime = {timestamp} WHERE mgnr IN ({mgnrs});
+                    UPDATE member                    SET xtime = {timestamp} WHERE mgnr IN ({mgnrs});
-                    UPDATE area_commitment  SET xtime = {timestamp} WHERE mgnr IN ({mgnrs});
+                    UPDATE area_commitment_contract  SET xtime = {timestamp} WHERE fbnr IN ({fbnrs});
-                    UPDATE delivery         SET xtime = {timestamp} WHERE (year, did) IN ({dids});
+                    UPDATE area_commitment           SET xtime = {timestamp} WHERE fbnr IN ({fbnrs});
-                    UPDATE delivery_part    SET xtime = {timestamp} WHERE (year, did) IN ({dids});
+                    UPDATE delivery                  SET xtime = {timestamp} WHERE (year, did) IN ({dids});
-                    UPDATE client_parameter SET value = '1' WHERE param = 'ENABLE_TIME_TRIGGERS';
+                    UPDATE delivery_part             SET xtime = {timestamp} WHERE (year, did) IN ({dids});
+                    UPDATE client_parameter          SET value = '1' WHERE param = 'ENABLE_TIME_TRIGGERS';
                     COMMIT;
                     """);
             }
@@ -272,7 +258,7 @@ namespace Elwig.Services {
 
         public static async Task<bool> ChangesAvailable(AppDbContext ctx, string url, string username, string password) {
             try {
-                return await ctx.Members.AnyAsync(ChangedMembers) || await ctx.Deliveries.AnyAsync(ChangedDeliveries) || (Utils.HasInternetConnectivity() && (await GetFilesToImport(url, username, password)).Count > 0);
+                return await ctx.Members.Where(ChangedMembers).AnyAsync() || await ctx.AreaCommitmentContracts.Where(ChangedAreaComContracts).AnyAsync() || await ctx.Deliveries.Where(ChangedDeliveries).AnyAsync() || (Utils.HasInternetConnectivity() && (await GetFilesToImport(url, username, password)).Count > 0);
             } catch {
                 return false;
             }

Elwig/ViewModels/AreaComAdminViewModel.cs

@@ -20,7 +20,11 @@ namespace Elwig.ViewModels {
         }
 
         [ObservableProperty]
-        private bool _showOnlyActiveAreaComs;
+        private string? _filterSeasonString;
+        public int? FilterSeason {
+            get => int.TryParse(FilterSeasonString, out var year) ? year : null;
+            set => FilterSeasonString = $"{value}";
+        }
 
         [ObservableProperty]
         private string? _fbNrString;
@@ -46,6 +50,8 @@ namespace Elwig.ViewModels {
             get => int.TryParse(YearToString, out var year) ? year : null;
             set => YearToString = $"{value}";
         }
+        [ObservableProperty]
+        private string? _period;
 
         [ObservableProperty]
         private AreaComType? _areaComType;

Elwig/ViewModels/MemberAdminViewModel.cs

@@ -11,7 +11,6 @@ namespace Elwig.ViewModels {
     public partial class MemberAdminViewModel : ObservableObject {
 
         public int? TransferPredecessorAreaComs = null;
-        public bool MaintainAreaComYearFrom = false;
         public int? CancelAreaComs = null;
 
         public ObservableCollection<KeyValuePair<string, string>> PhoneNrTypes { get; set; } = new(Utils.PhoneNrTypes);
@@ -21,7 +20,7 @@ namespace Elwig.ViewModels {
         public List<string> TextFilter => [.. SearchQuery?.ToLower().Split(' ').ToList().FindAll(e => e.Length > 0) ?? []];
 
         [ObservableProperty]
-        private bool _showOnlyActiveMembers;
+        private bool _showOnlyActiveMembers = true;
 
         [ObservableProperty]
         private Member? _selectedMember;

Elwig/Windows/AboutWindow.xaml

@@ -16,13 +16,13 @@
             <Bold>Entwickler:</Bold> Lorenz Stechauner, Thomas Hilscher<LineBreak/>
             <Bold>Kontakt:</Bold> <Hyperlink NavigateUri="mailto:lorenz.stechauner@necronda.net" RequestNavigate="Hyperlink_RequestNavigate">lorenz.stechauner@necronda.net</Hyperlink>, <Hyperlink NavigateUri="mailto:thomas.hilscher@gmail.com" RequestNavigate="Hyperlink_RequestNavigate">thomas.hilscher@gmail.com</Hyperlink><LineBreak/>
             <Bold>Quellcode:</Bold> <Hyperlink NavigateUri="https://git.necronda.net/winzer/elwig" RequestNavigate="Hyperlink_RequestNavigate">https://git.necronda.net/winzer/elwig</Hyperlink><LineBreak/>
-            <Bold>Entwicklungszeitraum:</Bold> 2022–2025<LineBreak/>
+            <Bold>Entwicklungszeitraum:</Bold> 2022–2026<LineBreak/>
             <LineBreak/>
             <Bold>Verwendete Technologien:</Bold><LineBreak/>
             Programmiersprache: C#<LineBreak/>
             Framework: Windows Presentation Framework (WPF)<LineBreak/>
             Datenbank: <Hyperlink NavigateUri="https://sqlite.org/" RequestNavigate="Hyperlink_RequestNavigate">SQLite</Hyperlink><LineBreak/>
-            PDF-Erstellung: <Hyperlink NavigateUri="https://itextpdf.com/" RequestNavigate="Hyperlink_RequestNavigate">iText</Hyperlink>, <Hyperlink NavigateUri="https://github.com/toddams/RazorLight" RequestNavigate="Hyperlink_RequestNavigate">RazorLight</Hyperlink>, <Hyperlink NavigateUri="https://github.com/bblanchon/pdfium-binaries" RequestNavigate="Hyperlink_RequestNavigate">Pdfium</Hyperlink><LineBreak/>
+            PDF-Erstellung: <Hyperlink NavigateUri="https://itextpdf.com/" RequestNavigate="Hyperlink_RequestNavigate">iText</Hyperlink>, <Hyperlink NavigateUri="https://github.com/bblanchon/pdfium-binaries" RequestNavigate="Hyperlink_RequestNavigate">Pdfium</Hyperlink><LineBreak/>
             Paketierung: <Hyperlink NavigateUri="https://www.firegiant.com/wixtoolset/" RequestNavigate="Hyperlink_RequestNavigate">WiX Toolset</Hyperlink>
         </TextBlock>
 

Elwig/Windows/AdministrationWindow.cs

@@ -104,6 +104,7 @@ namespace Elwig.Windows {
                 cb.SelectionChanged += ComboBox_SelectionChanged;
             foreach (var lb in ListBoxInputs)
                 lb.SelectionChanged += ComboBox_SelectionChanged;
+            LockInputs();
         }
 
         private void OnClosing(object? sender, CancelEventArgs evt) {
@@ -349,7 +350,6 @@ namespace Elwig.Windows {
                 using var ctx = new AppDbContext();
                 list = await ctx.PlzDestinations
                    .Where(p => p.Plz == plz)
-                   .Include(p => p.Ort)
                    .ToListAsync();
             }
 

Elwig/Windows/AreaComAdminWindow.xaml

@@ -7,8 +7,7 @@
         xmlns:local="clr-namespace:Elwig.Windows"
         xmlns:ctrl="clr-namespace:Elwig.Controls"
         xmlns:vm="clr-namespace:Elwig.ViewModels"
-        Title="{Binding Title}" Height="600" MinHeight="450" Width="1000" MinWidth="860"
+        Title="{Binding Title}" Height="600" MinHeight="550" Width="1000" MinWidth="860">
-        Loaded="Window_Loaded">
     <Window.DataContext>
         <vm:AreaComAdminViewModel/>
     </Window.DataContext>
@@ -57,7 +56,7 @@
             <RowDefinition Height="24"/>
         </Grid.RowDefinitions>
         <Grid.ColumnDefinitions>
-            <ColumnDefinition Width="3*" MinWidth="500"/>
+            <ColumnDefinition Width="2*" MinWidth="500"/>
             <ColumnDefinition Width="5"/>
             <ColumnDefinition Width="*" MinWidth="280"/>
         </Grid.ColumnDefinitions>
@@ -78,7 +77,7 @@
             </Grid.ColumnDefinitions>
 
             <TextBox x:Name="SearchInput" Text="{Binding SearchQuery, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                     Grid.ColumnSpan="3" Margin="5,5,190,0" IsReadOnly="False"
+                     Grid.ColumnSpan="3" Margin="5,5,66,0" IsReadOnly="False"
                      TextChanged="SearchInput_TextChanged">
                 <TextBox.ToolTip>
                     <TextBlock>
@@ -94,9 +93,10 @@
                     </TextBlock>
                 </TextBox.ToolTip>
             </TextBox>
-            <CheckBox x:Name="ActiveAreaCommitmentInput" Content="Nur laufende anzeigen (2020)" IsChecked="{Binding ShowOnlyActiveAreaComs}"
+            <ctrl:IntegerUpDown x:Name="SeasonInput" Text="{Binding FilterSeasonString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                      Checked="ActiveAreaCommitmentInput_Changed" Unchecked="ActiveAreaCommitmentInput_Changed"
+                                Grid.ColumnSpan="3" Height="25" Width="56" FontSize="14" Minimum="1900" Maximum="9999"
-                      HorizontalAlignment="Right" Margin="0,10,10,0" VerticalAlignment="Top" Grid.Column="1" Grid.ColumnSpan="2"/>
+                                Margin="0,5,5,0" VerticalAlignment="Top" HorizontalAlignment="Right"
+                                TextChanged="SeasonInput_TextChanged"/>
 
             <DataGrid x:Name="AreaCommitmentList" AutoGenerateColumns="False" HeadersVisibility="Column" IsReadOnly="True" GridLinesVisibility="None" SelectionMode="Single"
                       CanUserDeleteRows="False" CanUserResizeRows="False" CanUserAddRows="False" SelectionChanged="AreaCommitmentList_SelectionChanged" Grid.Column="0" Grid.Row="1"
@@ -110,25 +110,24 @@
                         </DataGridTextColumn.CellStyle>
                     </DataGridTextColumn>
                     <DataGridTextColumn Header="Katastralgemeinde" Binding="{Binding Kg.AtKg.Name}" Width="130"/>
-                    <DataGridTextColumn Header="Sorte" Binding="{Binding AreaComType.WineVar.SortId}" Width="50">
+                    <DataGridTextColumn Header="Sorte" Binding="{Binding Latest.AreaComType.VtrgId}" Width="50">
                         <DataGridTextColumn.CellStyle>
                             <Style>
-                                <Setter Property="TextBlock.Foreground" Value="{Binding AreaComType.WineVar.Color}"/>
+                                <Setter Property="TextBlock.Foreground" Value="{Binding Latest.AreaComType.WineVar.Color}"/>
                                 <Setter Property="TextBlock.TextAlignment" Value="Center"/>
                             </Style>
                         </DataGridTextColumn.CellStyle>
                     </DataGridTextColumn>
-                    <DataGridTextColumn Header="Fläche" Binding="{Binding Area, StringFormat='{}{0:N0} m² '}" Width="80">
+                    <DataGridTextColumn Header="Fläche" Binding="{Binding Latest.Area, StringFormat='{}{0:N0} m² '}" Width="80">
                         <DataGridTextColumn.CellStyle>
                             <Style>
                                 <Setter Property="TextBlock.TextAlignment" Value="Right"/>
                             </Style>
                         </DataGridTextColumn.CellStyle>
                     </DataGridTextColumn>
-                    <DataGridTextColumn Header="Attribut"           Binding="{Binding AreaComType.WineAttr.Name}" Width="100"/>
                     <DataGridTextColumn Header="Ried"               Binding="{Binding Rd.Name}"       Width="130"/>
-                    <DataGridTextColumn Header="Parzelle"           Binding="{Binding GstNr}"         Width="130"/>
+                    <DataGridTextColumn Header="Parzelle"           Binding="{Binding Latest.GstNr}"         Width="130"/>
-                    <DataGridTextColumn Header="Bewirt."            Binding="{Binding WineCult.Name}" Width="60"/>
+                    <DataGridTextColumn Header="Bewirt."            Binding="{Binding Latest.WineCult.Name}" Width="60"/>
                     <DataGridTextColumn Header="Von"                Binding="{Binding YearFrom}"      Width="48"/>
                     <DataGridTextColumn Header="Bis"                Binding="{Binding YearTo}"        Width="48"/>
                 </DataGrid.Columns>
@@ -177,91 +176,119 @@
 
         <Grid Grid.Column="2" Grid.Row="1">
             <Grid.RowDefinitions>
-                <RowDefinition Height="1.125*"/>
+                <RowDefinition Height="*"/>
-                <RowDefinition Height="1*"/>
+                <RowDefinition Height="230"/>
             </Grid.RowDefinitions>
 
-            <GroupBox Header="Vertrag" Grid.Column="2" Grid.Row="0" Grid.RowSpan="1" Margin="5,5,5,5">
+            <GroupBox Header="Vertrag" Grid.Row="0" Margin="5,5,5,5">
                 <Grid>
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="80"/>
-                        <ColumnDefinition Width="48"/>
+                        <ColumnDefinition Width="60"/>
                         <ColumnDefinition Width="60"/>
                         <ColumnDefinition Width="*"/>
                     </Grid.ColumnDefinitions>
 
-                    <Label Content="MgNr.:" Margin="10,10,0,0" Grid.Column="0"/>
+                    <Label Content="FB-Nr.:" Margin="10,10,0,0" Grid.Column="0"/>
-                    <TextBox x:Name="MgNrInput" Text="{Binding MgNrString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" IsEnabled="False"
-                             Margin="0,10,0,0" Width="48" HorizontalAlignment="Left" Grid.Column="1" TextAlignment="Right"/>
-
-                    <Label Content="FbNr.:" Margin="10,10,0,0" Grid.Column="2"/>
                     <TextBox x:Name="FbNrInput" Text="{Binding FbNrString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                             Margin="0,10,10,0" Width="56" HorizontalAlignment="Left" Grid.Column="3" TextAlignment="Right"
+                             Margin="0,10,0,0" Width="56" HorizontalAlignment="Left" Grid.Column="1" TextAlignment="Right"
                              TextChanged="FbNrInput_TextChanged" LostFocus="FbNrInput_LostFocus"/>
 
-                    <Label Content="Zeitraum:" Margin="10,40,0,0" Grid.Column="0"/>
+                    <Label Content="Laufzeit:" Margin="10,10,0,0" Grid.Column="2"/>
-                    <TextBox x:Name="YearFromInput" Text="{Binding YearFromString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                    <TextBlock x:Name="Period" Text="{Binding Period}"
-                             Margin="0,40,10,0" Width="40" HorizontalAlignment="Left" Grid.Column="1" Grid.ColumnSpan="2" TextAlignment="Right"
+                               Margin="0,14,10,0" Grid.Column="3" TextWrapping="NoWrap" VerticalAlignment="Top"/>
-                             TextChanged="IntegerInput_TextChanged"/>
-                    <Label Content="–" Grid.Column="1" Grid.ColumnSpan="3" Margin="45,40,0,0"/>
-                    <TextBox x:Name="YearToInput" Text="{Binding YearToString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                             Margin="60,40,10,0" Width="40" HorizontalAlignment="Left" Grid.Column="1" Grid.ColumnSpan="3" TextAlignment="Right"
-                             TextChanged="IntegerInput_TextChanged"/>
 
-                    <Label Content="Vertragsart:" Margin="10,70,0,0" Grid.Column="0" Grid.ColumnSpan="2"/>
+                    <Label Content="KG:" Margin="10,40,0,0" Grid.Column="0"/>
-                    <ComboBox x:Name="AreaComTypeInput" SelectedItem="{Binding AreaComType, Mode=TwoWay}" ItemsSource="{Binding AreaComTypeSource, Mode=TwoWay}"
+                    <ComboBox x:Name="KgInput" SelectedItem="{Binding Kg, Mode=TwoWay}" ItemsSource="{Binding KgSource, Mode=TwoWay}"
-                              ItemTemplate="{StaticResource AreaCommitmentTypeTemplate}" TextSearch.TextPath="DisplayName"
+                              ItemTemplate="{StaticResource KgNrTemplate}" TextSearch.TextPath="Name"
-                              HorizontalAlignment="Stretch" Margin="0,70,40,10" Grid.Column="1" Grid.ColumnSpan="3"/>
+                              HorizontalAlignment="Stretch" Margin="0,40,40,10" Grid.Column="1" Grid.ColumnSpan="3"
-                    <Button x:Name="AreaComTypeDetailsButton" Content="&#xE712;" FontFamily="Segoe MDL2 Assets" FontSize="14" Padding="0,1,0,0"
+                              SelectionChanged="KgInput_SelectionChanged"/>
-                            Click="AreaComTypeDetailsButton_Click"
+                    <Button x:Name="KgDetailsButton" Content="&#xE712;" FontFamily="Segoe MDL2 Assets" FontSize="14" Padding="0,1,0,0"
+                            Click="KgDetailsButton_Click"
+                            Grid.Column="3" VerticalAlignment="Top" HorizontalAlignment="Right" Width="25" Height="25" Margin="10,40,10,10"/>
+
+                    <Label Content="Ried:" Margin="10,70,0,0" Grid.Column="0"/>
+                    <ComboBox x:Name="RdInput" SelectedItem="{Binding RdObj, Mode=TwoWay}" ItemsSource="{Binding RdSource, Mode=TwoWay}"
+                              DisplayMemberPath="Name" TextSearch.TextPath="Name" IsEditable="True"
+                              HorizontalAlignment="Stretch" Margin="0,70,40,10" Grid.Column="1" Grid.ColumnSpan="3"
+                              SelectionChanged="RdInput_SelectionChanged"/>
+                    <Button x:Name="RdAddButton" Content="&#xE73E;" FontFamily="Segoe MDL2 Assets" FontSize="16" Padding="0,0,0,0" IsEnabled="False"
+                            Click="RdAddButton_Click"
                             Grid.Column="3" VerticalAlignment="Top" HorizontalAlignment="Right" Width="25" Height="25" Margin="10,70,10,10"/>
 
-                    <Label Content="Bewirt.-Art:" Margin="10,100,0,0" Grid.Column="0" Grid.ColumnSpan="2"/>
+                    <Label Content="Anmerkung:" Margin="10,100,0,0" Grid.Column="0" Grid.ColumnSpan="2"/>
-                    <ComboBox x:Name="WineCultivationInput" SelectedItem="{Binding WineCultObj, Mode=TwoWay}" ItemsSource="{Binding WineCultSource, Mode=TwoWay}"
-                              DisplayMemberPath="Name" TextSearch.TextPath="Name"
-                              HorizontalAlignment="Stretch" Margin="0,100,10,0" Grid.Column="1" Grid.ColumnSpan="3"/>
-
-                    <Label Content="Anmerkung:" Margin="10,130,0,0" Grid.Column="0" Grid.ColumnSpan="2"/>
                     <TextBox x:Name="CommentInput" Text="{Binding Comment, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                              TextChanged="TextBox_TextChanged"
-                             HorizontalAlignment="Stretch" Margin="0,130,10,0" Grid.Column="1" Grid.ColumnSpan="3"/>
+                             HorizontalAlignment="Stretch" Margin="0,100,10,0" Grid.Column="1" Grid.ColumnSpan="3"/>
+
+                    <ListBox x:Name="RevisionList" Grid.ColumnSpan="4" Margin="5,135,5,5"
+                             SelectionChanged="RevisionList_SelectionChanged">
+                        <ListBox.ItemTemplate>
+                            <DataTemplate>
+                                <StackPanel Orientation="Horizontal">
+                                    <TextBlock Text="{Binding YearFrom}" Width="28" TextAlignment="Right" Margin="0,0,0,0"/>
+                                    <TextBlock Text="&#x2013;" TextAlignment="Center" Margin="0,0,0,0"/>
+                                    <TextBlock Text="{Binding YearTo}" Width="28" TextAlignment="Left" Margin="0,0,0,0"/>
+                                    <TextBlock Text="{Binding VtrgId}" Width="40" TextAlignment="Center" Foreground="{Binding AreaComType.WineVar.Color}"/>
+                                    <TextBlock Text="{Binding Area, StringFormat='{}{0:N0} m²'}" Width="60" TextAlignment="Right" Padding="0,0,10,0"/>
+                                    <TextBlock Text="{Binding Member.AdministrativeName}"/>
+                                </StackPanel>
+                            </DataTemplate>
+                        </ListBox.ItemTemplate>
+                    </ListBox>
                 </Grid>
             </GroupBox>
 
-            <GroupBox Header="Lage" Grid.Column="2" Grid.Row="1" Grid.RowSpan="1" Margin="5,5,5,10">
+            <GroupBox Header="Revision" Grid.Row="1" Margin="5,5,5,10">
                 <Grid>
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="80"/>
                         <ColumnDefinition Width="*"/>
                     </Grid.ColumnDefinitions>
 
-                    <Label Content="KG:" Margin="10,10,0,0" Grid.Column="0"/>
+                    <Label Content="Mitglied:" Margin="10,10,0,0" Grid.Column="0"/>
-                    <ComboBox x:Name="KgInput" SelectedItem="{Binding Kg, Mode=TwoWay}" ItemsSource="{Binding KgSource, Mode=TwoWay}"
+                    <TextBox x:Name="MgNrInput" Text="{Binding MgNrString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                              ItemTemplate="{StaticResource KgNrTemplate}" TextSearch.TextPath="Name"
+                             Width="48" Grid.Row="1" Grid.Column="1" Margin="0,10,0,0" HorizontalAlignment="Left" TextAlignment="Right"
-                              HorizontalAlignment="Stretch" Margin="0,10,40,10" Grid.Column="1"
+                             TextChanged="MgNrInput_TextChanged" LostFocus="MgNrInput_LostFocus"/>
-                              SelectionChanged="KgInput_SelectionChanged"/>
+                    <ComboBox x:Name="MemberInput"
-                    <Button x:Name="KgDetailsButton" Content="&#xE712;" FontFamily="Segoe MDL2 Assets" FontSize="14" Padding="0,1,0,0"
+                              Grid.Column="1" Margin="53,10,40,10" IsEditable="True"
-                            Click="KgDetailsButton_Click"
+                              ItemTemplate="{StaticResource MemberAdminNameTemplate}" TextSearch.TextPath="AdministrativeName"
-                            Grid.Column="1" VerticalAlignment="Top" HorizontalAlignment="Right" Width="25" Height="25" Margin="10,10,10,10"/>
+                              SelectionChanged="MemberInput_SelectionChanged"/>
+                    <Button x:Name="MemberReferenceButton" Grid.Column="1" Height="25" Width="25" FontFamily="Segoe MDL2 Assets" Content="&#xEE35;" Padding="0,0,0,0"
+                            Margin="10,10,10,10" VerticalAlignment="Top" HorizontalAlignment="Right" ToolTip="Zu Mitglied springen"
+                            Click="MemberReferenceButton_Click"/>
 
-                    <Label Content="Ried:" Margin="10,40,0,0" Grid.Column="0"/>
+                    <Label Content="Laufzeit:" Margin="10,40,0,0" Grid.Column="0"/>
-                    <ComboBox x:Name="RdInput" SelectedItem="{Binding RdObj, Mode=TwoWay}" ItemsSource="{Binding RdSource, Mode=TwoWay}"
+                    <TextBox x:Name="YearFromInput" Text="{Binding YearFromString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                              DisplayMemberPath="Name" TextSearch.TextPath="Name" IsEditable="True"
+                             Margin="0,40,10,0" Width="40" HorizontalAlignment="Left" Grid.Column="1" TextAlignment="Right"
-                              HorizontalAlignment="Stretch" Margin="0,40,40,10" Grid.Column="1"
+                             TextChanged="IntegerInput_TextChanged"/>
-                              SelectionChanged="RdInput_SelectionChanged"/>
+                    <Label Content="&#x2013;" Grid.Column="1" Margin="45,40,0,0"/>
-                    <Button x:Name="RdAddButton" Content="&#xE73E;" FontFamily="Segoe MDL2 Assets" FontSize="16" Padding="0,0,0,0" IsEnabled="False"
+                    <TextBox x:Name="YearToInput" Text="{Binding YearToString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                            Click="RdAddButton_Click"
+                             Margin="60,40,10,0" Width="40" HorizontalAlignment="Left" Grid.Column="1" TextAlignment="Right"
-                            Grid.Column="1" VerticalAlignment="Top" HorizontalAlignment="Right" Width="25" Height="25" Margin="10,40,10,10"/>
+                             TextChanged="IntegerInput_TextChanged"/>
 
-                    <Label Content="Parzelle(n):" Margin="10,70,0,0" Grid.Column="0"/>
+                    <Label Content="Vertragsart:" Margin="10,70,0,0" Grid.Column="0"/>
-                    <TextBox x:Name="GstNrInput" Text="{Binding GstNr, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                    <ComboBox x:Name="AreaComTypeInput" SelectedItem="{Binding AreaComType, Mode=TwoWay}" ItemsSource="{Binding AreaComTypeSource, Mode=TwoWay}"
-                             Margin="0,70,10,0" Grid.Column="1" HorizontalAlignment="Stretch"
+                              ItemTemplate="{StaticResource AreaCommitmentTypeTemplate}" TextSearch.TextPath="DisplayName"
-                             TextChanged="TextBox_TextChanged"/>
+                              HorizontalAlignment="Stretch" Margin="0,70,40,10" Grid.Column="1"/>
+                    <Button x:Name="AreaComTypeDetailsButton" Content="&#xE712;" FontFamily="Segoe MDL2 Assets" FontSize="14" Padding="0,1,0,0"
+                            Click="AreaComTypeDetailsButton_Click"
+                            Grid.Column="3" VerticalAlignment="Top" HorizontalAlignment="Right" Width="25" Height="25" Margin="10,70,10,10"/>
 
-                    <Label Content="Fläche:" Margin="10,100,0,0" Grid.Column="0"/>
+                    <Label Content="Bewirt.-Art:" Margin="10,100,0,0" Grid.Column="0"/>
+                    <ComboBox x:Name="WineCultivationInput" SelectedItem="{Binding WineCultObj, Mode=TwoWay}" ItemsSource="{Binding WineCultSource, Mode=TwoWay}"
+                              DisplayMemberPath="Name" TextSearch.TextPath="Name"
+                              HorizontalAlignment="Stretch" Margin="0,100,10,0" Grid.Column="1"/>
+
+                    <Label Content="Fläche:" Margin="10,130,0,0" Grid.Column="0"/>
                     <ctrl:UnitTextBox x:Name="AreaInput" Unit="m²" Text="{Binding AreaString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
                                       TextChanged="IntegerInput_TextChanged"
-                                      Grid.Column="1" Width="70" Margin="0,100,10,10" VerticalAlignment="Top" HorizontalAlignment="Left"/>
+                                      Grid.Column="1" Width="70" Margin="0,130,10,10" VerticalAlignment="Top" HorizontalAlignment="Left"/>
+
+                    <Label Content="Parzelle(n):" Margin="10,160,0,0" Grid.Column="0"/>
+                    <TextBox x:Name="GstNrInput" Text="{Binding GstNr, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
+                             Margin="0,160,10,0" Grid.Column="1" HorizontalAlignment="Stretch"
+                             TextChanged="TextBox_TextChanged"/>
                 </Grid>
             </GroupBox>
         </Grid>

Elwig/Windows/AreaComAdminWindow.xaml.cs

@@ -25,23 +25,18 @@ namespace Elwig.Windows {
             ViewModel.FilterMember = ctx.Members.Find(mgnr) ?? throw new ArgumentException("MgNr argument has invalid value");
             ViewModel.Title = $"Flächenbindungen - {ViewModel.FilterMember.AdministrativeName} - Elwig";
             ExemptInputs = [
-                MgNrInput, AreaCommitmentList, NewAreaCommitmentButton, 
+                AreaCommitmentList, RevisionList,
-                EditAreaCommitmentButton, DeleteAreaCommitmentButton, SaveButton,
+                NewAreaCommitmentButton, EditAreaCommitmentButton, DeleteAreaCommitmentButton, SaveButton,
-                ResetButton, CancelButton, SearchInput, ActiveAreaCommitmentInput
+                ResetButton, CancelButton, SearchInput, SeasonInput
             ];
             RequiredInputs = [
-                FbNrInput, YearFromInput, KgInput, RdInput,
+                FbNrInput, MgNrInput, MemberInput, YearFromInput, KgInput, RdInput,
                 GstNrInput, AreaInput, AreaComTypeInput, WineCultivationInput
             ];
 
             ControlUtils.InitializeDelayTimer(SearchInput, SearchInput_TextChanged);
             SearchInput.TextChanged -= SearchInput_TextChanged;
-            ActiveAreaCommitmentInput.Content = ((string)ActiveAreaCommitmentInput.Content).Replace("2020", $"{Utils.CurrentLastSeason}");
+            ViewModel.FilterSeason = Utils.CurrentYear;
-        }
-
-        private void Window_Loaded(object sender, RoutedEventArgs e) {
-            ActiveAreaCommitmentInput.IsChecked = true;
-            LockInputs();
         }
 
         private void FocusSearchInput(object sender, RoutedEventArgs evt) {
@@ -52,40 +47,49 @@ namespace Elwig.Windows {
         }
 
         private async Task RefreshList(bool updateSort = false) {
-            using var ctx = new AppDbContext();
+            var vm = ViewModel;
-            var (_, areaComQuery, filter) = await ViewModel.GetFilters(ctx);
+            var cursor = Mouse.OverrideCursor != null;
-            var areaComs = await areaComQuery
+            if (!cursor) Mouse.OverrideCursor = Cursors.Wait;
-                .Include(a => a.Kg.AtKg)
+            var query = (vm.SearchQuery, vm.FilterSeason);
-                .Include(a => a.Rd!.Kg.AtKg)
+            var (filter, contracts, areaComs, areaComCount, stat) = await Task.Run(async () => {
-                .Include(a => a.WineCult)
+                using var ctx = new AppDbContext();
-                .Include(a => a.AreaComType.WineAttr)
+                var (_, contractQuery, areaComQuery, filter) = await vm.GetFilters(ctx);
-                .Include(a => a.AreaComType.WineVar)
+                var contracts = await contractQuery
-                .ToListAsync();
+                    .Include(c => c.Revisions).ThenInclude(a => a.Member)
+                    .ToListAsync();
+                var areaComs = await areaComQuery.ToListAsync();
 
-            if (filter.Count > 0 && areaComs.Count > 0) {
+                if (filter.Count > 0 && contracts.Count > 0) {
-                var dict = areaComs.AsParallel()
+                    var dict = contracts.AsParallel()
-                    .ToDictionary(d => d, d => d.SearchScore(ViewModel.TextFilter))
+                        .ToDictionary(d => d, d => d.SearchScore(vm.TextFilter))
-                    .OrderByDescending(c => c.Value);
+                        .OrderByDescending(c => c.Value);
-                var threshold = dict.Select(a => a.Value).Max() * 3 / 4;
+                    var threshold = dict.Max(a => a.Value) * 3 / 4;
-                areaComs = dict
+                    contracts = [.. dict
                     .Where(a => a.Value > threshold)
-                    .Select(a => a.Key)
+                    .Select(a => a.Key)];
-                    .ToList();
+                }
-            }
 
-            ControlUtils.RenewItemsSource(AreaCommitmentList, areaComs,
+                var areaComCount = await areaComQuery.CountAsync();
-                AreaCommitmentList_SelectionChanged, filter.Count > 0 ? ControlUtils.RenewSourceDefault.IfOnly : ControlUtils.RenewSourceDefault.None, !updateSort);
+                var season = await ctx.FetchSeasons().FirstOrDefaultAsync();
+                var stat = await AreaComService.GenerateToolTipData(areaComQuery, season?.MaxKgPerHa ?? 10_000);
+
+                return (filter, contracts, areaComs, areaComCount, stat);
+            });
+            if (!cursor) Mouse.OverrideCursor = null;
+            if (query != (ViewModel.SearchQuery, ViewModel.FilterSeason)) return;
+
+            ControlUtils.RenewItemsSource(AreaCommitmentList, contracts,
+                AreaCommitmentList_SelectionChanged, ViewModel.TextFilter.Count > 0 ? ControlUtils.RenewSourceDefault.IfOnly : ControlUtils.RenewSourceDefault.None, !updateSort);
             RefreshInputs();
 
             if (filter.Count == 0) {
-                ViewModel.StatusAreaCommitments = $"{await areaComQuery.CountAsync():N0}";
+                ViewModel.StatusAreaCommitments = $"{areaComCount:N0}";
-                var s = await ctx.Seasons.FindAsync(await ctx.Seasons.MaxAsync(s => s.Year));
+                var (text, gridData) = stat;
-                var (text, gridData) = await AreaComService.GenerateToolTipData(areaComQuery, s?.MaxKgPerHa ?? 10_000);
                 ViewModel.StatusArea = text;
                 ViewModel.StatusAreaToolTip = AreaComService.GenerateToolTip(gridData);
             } else {
-                ViewModel.StatusAreaCommitments = $"{areaComs.Count:N0}";
+                ViewModel.StatusAreaCommitments = $"{contracts.Count:N0}";
-                ViewModel.StatusArea = $"{areaComs.Select(a => a.Area).Sum():N0} m²";
+                ViewModel.StatusArea = $"{areaComs.Sum(a => a.Area):N0} m²";
                 ViewModel.StatusAreaToolTip = null;
             }
             var groups = areaComs.GroupBy(a => $"{a.AreaComType.SortId}{a.AreaComType.AttrId}").Select(a => (a.Key, a.Sum(b => b.Area))).OrderByDescending(a => a.Item2).ToList();
@@ -94,12 +98,25 @@ namespace Elwig.Windows {
                 ViewModel.StatusContracts += $" ({string.Join(", ", groups.Select(g => g.Key))})";
         }
 
+        private async Task RefreshRevisions() {
+            using var ctx = new AppDbContext();
+            if (AreaCommitmentList.SelectedItem is AreaComContract c) {
+                ControlUtils.RenewItemsSource(RevisionList, c.Revisions.OrderByDescending(p => p.RevNr).ToList(), RevisionList_SelectionChanged, ControlUtils.RenewSourceDefault.First);
+            } else {
+                RevisionList.ItemsSource = null;
+            }
+        }
+
         private void RefreshInputs(bool validate = false) {
             ClearInputStates();
-            if (AreaCommitmentList.SelectedItem is AreaCom a) {
+            if (RevisionList.SelectedItem is AreaCom a) {
                 EditAreaCommitmentButton.IsEnabled = true;
                 DeleteAreaCommitmentButton.IsEnabled = true;
                 FillInputs(a);
+            } else if (AreaCommitmentList.SelectedItem is AreaComContract c) {
+                EditAreaCommitmentButton.IsEnabled = true;
+                DeleteAreaCommitmentButton.IsEnabled = true;
+                FillInputs(c);
             } else {
                 EditAreaCommitmentButton.IsEnabled = false;
                 DeleteAreaCommitmentButton.IsEnabled = false;
@@ -111,7 +128,15 @@ namespace Elwig.Windows {
             GC.Collect();
         }
 
+        private void FillInputs(AreaComContract c) {
+            ClearOriginalValues();
+            ClearDefaultValues();
+            ViewModel.FillInputs(c);
+            FinishInputFilling();
+        }
+
         private void FillInputs(AreaCom a) {
+            FillInputs(a.Contract);
             ClearOriginalValues();
             ClearDefaultValues();
             ViewModel.FillInputs(a);
@@ -126,10 +151,15 @@ namespace Elwig.Windows {
             ValidateRequiredInputs();
         }
 
+        new protected void ClearInputs(bool validate = false) {
+            ViewModel.ClearInputs();
+            base.ClearInputs(validate);
+        }
+
         protected override async Task OnRenewContext(AppDbContext ctx) {
             await base.OnRenewContext(ctx);
 
-            if (await ctx.Members.FindAsync(ViewModel.FilterMember.MgNr) is not Member m) {
+            if (await ctx.FetchMembers(ViewModel.FilterMember.MgNr).SingleOrDefaultAsync() is not Member m) {
                 Close();
                 return;
             }
@@ -146,9 +176,8 @@ namespace Elwig.Windows {
                 .Include(c => c.WineAttr)
                 .OrderBy(v => v.VtrgId)
                 .ToListAsync());
-            var cultList = await ctx.WineCultivations
+            ControlUtils.RenewItemsSource(MemberInput, await ctx.FetchMembers(includeNotActive: true).ToListAsync());
-                .OrderBy(c => c.Name)
+            var cultList = await ctx.FetchWineCultivations().Cast<object>().ToListAsync();
-                .Cast<object>().ToListAsync();
             cultList.Insert(0, new NullItem());
             ControlUtils.RenewItemsSource(WineCultivationInput, cultList, null, ControlUtils.RenewSourceDefault.First);
             await RefreshList();
@@ -164,6 +193,7 @@ namespace Elwig.Windows {
             IsCreating = true;
             AreaCommitmentList.IsEnabled = false;
             AreaCommitmentList.SelectedItem = null;
+            RevisionList.IsEnabled = false;
             HideNewEditDeleteButtons();
             ShowSaveResetCancelButtons();
             UnlockInputs();
@@ -184,6 +214,7 @@ namespace Elwig.Windows {
 
             IsEditing = true;
             AreaCommitmentList.IsEnabled = false;
+            RevisionList.IsEnabled = false;
 
             HideNewEditDeleteButtons();
             ShowSaveResetCancelButtons();
@@ -198,10 +229,10 @@ namespace Elwig.Windows {
         }
 
         private async void DeleteAreaCommitmentButton_Click(object? sender, RoutedEventArgs? evt) {
-            if (AreaCommitmentList.SelectedItem is not AreaCom a)
+            if (RevisionList.SelectedItem is not AreaCom a)
                 return;
 
-            var d = new AreaComModifyDialog(a.YearFrom, a.YearTo, a.Area, true);
+            var d = new AreaComModifyDialog(a.YearFrom, a.YearTo, a.Area, true, RevisionList.ItemsSource.Cast<object>().FirstOrDefault() != a);
             if (d.ShowDialog() != true)
                 return;
 
@@ -209,7 +240,7 @@ namespace Elwig.Windows {
             try {
                 if (d.YearTo is int yearTo) {
                     ViewModel.YearTo = yearTo;
-                    await ViewModel.UpdateAreaCommitment((AreaCommitmentList.SelectedItem as AreaCom)?.FbNr);
+                    await ViewModel.UpdateAreaCommitment(a.FbNr, a.RevNr);
                 } else {
                     await AreaComService.DeleteAreaCom(a.FbNr);
                 }
@@ -232,42 +263,38 @@ namespace Elwig.Windows {
             SaveButton.IsEnabled = false;
 
             int? yearTo = null;
-            if (InputHasChanged(AreaInput) || InputHasChanged(AreaComTypeInput)) {
+            if (InputHasChanged(AreaInput) || InputHasChanged(AreaComTypeInput) || InputHasChanged(MgNrInput)) {
-                var a = (AreaCommitmentList.SelectedItem as AreaCom)!;
+                var a = (RevisionList.SelectedItem as AreaCom)!;
-                var d = new AreaComModifyDialog(a.YearFrom, a.YearTo, a.Area, false);
+                var d = new AreaComModifyDialog(a.YearFrom, a.YearTo, a.Area, false, RevisionList.ItemsSource.Cast<object>().FirstOrDefault() != a);
-                if (d.ShowDialog() != true)
+                if (d.ShowDialog() != true) {
+                    SaveButton.IsEnabled = true;
                     return;
+                }
                 yearTo = d.YearTo;
             }
 
-            int fbnr;
+            int fbnr, revnr;
             Mouse.OverrideCursor = Cursors.Wait;
             try {
                 AreaCom? temp = null;
                 if (yearTo != null && (!ViewModel.YearTo.HasValue || yearTo < ViewModel.YearTo)) {
                     temp = new AreaCom {
-                        FbNr = ViewModel.FbNr!.Value,
                         MgNr = ViewModel.MgNr!.Value,
                         YearFrom = ViewModel.YearFrom,
                         YearTo = ViewModel.YearTo,
                         VtrgId = ViewModel.AreaComType!.VtrgId,
                         CultId = ViewModel.WineCult?.CultId,
-                        Comment = ViewModel.Comment,
-                        KgNr = ViewModel.Kg!.KgNr,
-                        RdNr = ViewModel.Rd?.RdNr,
                         GstNr = ViewModel.GstNr?.Trim() ?? "-",
                         Area = ViewModel.Area!.Value,
                     };
                     RefreshInputs();
                     ViewModel.YearTo = yearTo;
                 }
-                fbnr = await ViewModel.UpdateAreaCommitment((AreaCommitmentList.SelectedItem as AreaCom)?.FbNr);
+                (fbnr, revnr) = await ViewModel.UpdateAreaCommitment((AreaCommitmentList.SelectedItem as AreaComContract)?.FbNr, (RevisionList.SelectedItem as AreaCom)?.RevNr);
                 if (temp is AreaCom t) {
-                    await ViewModel.InitInputs();
-                    t.FbNr = ViewModel.FbNr!.Value;
                     t.YearFrom = yearTo + 1;
                     ViewModel.FillInputs(t);
-                    fbnr = await ViewModel.UpdateAreaCommitment(null);
+                    (fbnr, revnr) = await ViewModel.UpdateAreaCommitment((AreaCommitmentList.SelectedItem as AreaComContract)?.FbNr, null);
                 }
                 App.HintContextChange();
             } catch (Exception exc) {
@@ -282,16 +309,18 @@ namespace Elwig.Windows {
             IsEditing = false;
             IsCreating = false;
             AreaCommitmentList.IsEnabled = true;
+            RevisionList.IsEnabled = true;
             HideSaveResetCancelButtons();
             ShowNewEditDeleteButtons();
             LockInputs();
             UnlockSearchInputs();
             FinishInputFilling();
-            await RefreshList();
+            await EnsureContextRenewed();
-            RefreshInputs();
             Mouse.OverrideCursor = null;
             ViewModel.SearchQuery = "";
-            ControlUtils.SelectItem(AreaCommitmentList, AreaCommitmentList.ItemsSource.Cast<AreaCom>().Where(a => a.FbNr == fbnr).FirstOrDefault());
+            ViewModel.FilterSeason = ViewModel.YearTo ?? ViewModel.YearFrom ?? ViewModel.FilterSeason;
+            ControlUtils.SelectItemWithPk(AreaCommitmentList, fbnr);
+            ControlUtils.SelectItemWithPk(RevisionList, fbnr, revnr);
         }
 
         protected override void ShortcutReset() {
@@ -313,6 +342,7 @@ namespace Elwig.Windows {
             IsEditing = false;
             IsCreating = false;
             AreaCommitmentList.IsEnabled = true;
+            RevisionList.IsEnabled = true;
             HideSaveResetCancelButtons();
             ShowNewEditDeleteButtons();
             RefreshInputs();
@@ -374,34 +404,65 @@ namespace Elwig.Windows {
 
         private void LockSearchInputs() {
             SearchInput.IsEnabled = false;
-            ActiveAreaCommitmentInput.IsEnabled = false;
+            SeasonInput.IsEnabled = false;
         }
 
         private void UnlockSearchInputs() {
             SearchInput.IsEnabled = true;
-            ActiveAreaCommitmentInput.IsEnabled = true;
+            SeasonInput.IsEnabled = true;
         }
 
-        private void AreaCommitmentList_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
+        private async void AreaCommitmentList_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
             if (AreaCommitmentList.SelectedItem != null)
                 AreaCommitmentList.ScrollIntoView(AreaCommitmentList.SelectedItem);
-            RefreshInputs();
+            await RefreshRevisions();
         }
 
-        private void AttributesInput_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
+        private void RevisionList_SelectionChanged(object? sender, SelectionChangedEventArgs? evt) {
+            RefreshInputs();
+            if (RevisionList.SelectedItem is AreaCom c) {
+                EditAreaCommitmentButton.IsEnabled = true;
+            } else {
+                EditAreaCommitmentButton.IsEnabled = false;
+            }
+        }
 
+        private void MgNrInput_TextChanged(object sender, TextChangedEventArgs evt) {
+            var valid = InputTextChanged((TextBox)sender, Validator.CheckMgNr);
+            var text = MgNrInput.Text;
+            var caret = MgNrInput.CaretIndex;
+            ControlUtils.SelectItemWithPk(MemberInput, valid ? ViewModel.MgNr : null);
+            MgNrInput.Text = text;
+            MgNrInput.CaretIndex = caret;
+        }
+
+        private void MgNrInput_LostFocus(object sender, RoutedEventArgs evt) {
+            var valid = InputLostFocus((TextBox)sender, Validator.CheckMgNr);
+            ControlUtils.SelectItemWithPk(MemberInput, valid ? ViewModel.MgNr : null);
+        }
+
+        private void MemberInput_SelectionChanged(object? sender, SelectionChangedEventArgs? evt) {
+            var m = MemberInput.SelectedItem as Member;
+            ViewModel.MgNr = m?.MgNr;
         }
 
         private async void ActiveAreaCommitmentInput_Changed(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             await RefreshList();
         }
 
         private async void SearchInput_TextChanged(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             var binding = ((TextBox)sender).GetBindingExpression(TextBox.TextProperty);
             binding?.UpdateSource();
             await RefreshList(true);
         }
 
+        private async void SeasonInput_TextChanged(object sender, TextChangedEventArgs evt) {
+            if (!HasContextLoaded || ViewModel.FilterSeason == null) return;
+            await RefreshList();
+        }
+
         private void KgInput_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
             if (KgInput.SelectedItem is AT_Kg kg) {
                 var rdList = kg.WbKg!.Rds.OrderBy(r => r.Name).Cast<object>().ToList();
@@ -439,12 +500,12 @@ namespace Elwig.Windows {
             RdInput.SelectedIndex = s.Count();
         }
 
-        protected void InputTextChanged(TextBox input, Func<TextBox, bool, AreaCom?, ValidationResult> checker) {
+        protected void InputTextChanged(TextBox input, Func<TextBox, bool, AreaComContract?, ValidationResult> checker) {
-            InputTextChanged(input, checker(input, SenderIsRequired(input), (AreaCom)AreaCommitmentList.SelectedItem));
+            InputTextChanged(input, checker(input, SenderIsRequired(input), (AreaComContract)AreaCommitmentList.SelectedItem));
         }
 
-        protected void InputLostFocus(TextBox input, Func<TextBox, bool, AreaCom?, ValidationResult> checker, string? msg = null) {
+        protected void InputLostFocus(TextBox input, Func<TextBox, bool, AreaComContract?, ValidationResult> checker, string? msg = null) {
-            InputLostFocus(input, checker(input, SenderIsRequired(input), (AreaCom)AreaCommitmentList.SelectedItem), msg);
+            InputLostFocus(input, checker(input, SenderIsRequired(input), (AreaComContract)AreaCommitmentList.SelectedItem), msg);
         }
 
         private void FbNrInput_TextChanged(object sender, RoutedEventArgs evt) {
@@ -454,5 +515,10 @@ namespace Elwig.Windows {
         private void FbNrInput_LostFocus(object sender, RoutedEventArgs evt) {
             InputLostFocus((TextBox)sender, Validator.CheckFbNr);
         }
+
+        private void MemberReferenceButton_Click(object sender, RoutedEventArgs evt) {
+            if (MemberInput.SelectedItem is not Member m) return;
+            App.FocusMember(m.MgNr);
+        }
     }
 }

Elwig/Windows/BaseDataWindow.xaml

@@ -8,8 +8,7 @@
         xmlns:local="clr-namespace:Elwig.Windows"
         xmlns:ctrl="clr-namespace:Elwig.Controls"
         mc:Ignorable="d"
-        Title="Stammdaten - Elwig" Height="520" MinHeight="400" Width="860" MinWidth="810"
+        Title="Stammdaten - Elwig" Height="520" MinHeight="400" Width="860" MinWidth="810">
-        Loaded="Window_Loaded">
     <Window.Resources>
         <Style TargetType="Label">
             <Setter Property="HorizontalAlignment" Value="Left"/>

Elwig/Windows/BaseDataWindow.xaml.AreaCom.cs

@@ -21,8 +21,6 @@ namespace Elwig.Windows {
         private async Task AreaCommitmentTypesInitEditing(AppDbContext ctx) {
             _actList = new(await ctx.AreaCommitmentTypes
                 .OrderBy(v => v.VtrgId)
-                .Include(t => t.WineVar)
-                .Include(t => t.WineAttr)
                 .ToListAsync());
             _acts = _actList.ToDictionary(v => v.VtrgId, v => (string?)v.VtrgId);
             _actIds = _actList.ToDictionary(v => v, v => v.VtrgId);

Elwig/Windows/BaseDataWindow.xaml.Branch.cs

@@ -19,10 +19,7 @@ namespace Elwig.Windows {
         private bool _branchUpdate = false;
 
         private async Task BranchesInitEditing(AppDbContext ctx) {
-            _branchList = new(await ctx.Branches
+            _branchList = new(await ctx.FetchBranches().ToListAsync());
-                .OrderBy(b => b.Name)
-                .Include(b => b.PostalDest!.AtPlz)
-                .ToListAsync());
             _branches = _branchList.ToDictionary(b => b.ZwstId, b => (string?)b.ZwstId);
             _branchIds = _branchList.ToDictionary(b => b, b => b.ZwstId);
             ControlUtils.RenewItemsSource(BranchList, _branchList);
@@ -30,10 +27,7 @@ namespace Elwig.Windows {
         }
 
         private async Task BranchesFinishEditing(AppDbContext ctx) {
-            ControlUtils.RenewItemsSource(BranchList, await ctx.Branches
+            ControlUtils.RenewItemsSource(BranchList, await ctx.FetchBranches().ToListAsync());
-                .OrderBy(b => b.Name)
-                .Include(b => b.PostalDest!.AtPlz)
-                .ToListAsync());
             _branchList = null;
             _branches = null;
             _branchIds = null;
@@ -47,9 +41,10 @@ namespace Elwig.Windows {
             if (!_branchChanged || _branchList == null || _branches == null || _branchIds == null)
                 return;
 
-            foreach (var (zwstid, _) in _branches.Where(b => b.Value == null)) {
+            var tx = await ctx.Database.BeginTransactionAsync();
-                ctx.Remove(ctx.Branches.Find(zwstid)!);
+            var deleteZwstIds = _branches.Where(b => b.Value == null).Select(b => b.Key).ToList();
-            }
+            await ctx.Branches.Where(b => deleteZwstIds.Contains(b.ZwstId)).ExecuteDeleteAsync();
+
             foreach (var (branch, old) in _branchIds) {
                 branch.ZwstId = old;
             }
@@ -61,13 +56,13 @@ namespace Elwig.Windows {
             foreach (var (old, zwstid) in _branches.Where(b => b.Value != null)) {
                 await ctx.Database.ExecuteSqlAsync($"UPDATE branch SET zwstid = {zwstid} WHERE zwstid = {old}");
             }
-            await ctx.SaveChangesAsync();
 
             foreach (var branch in _branchList.Where(b => !_branchIds.ContainsKey(b))) {
                 if (branch.ZwstId == null) continue;
                 ctx.Add(branch);
             }
             await ctx.SaveChangesAsync();
+            await tx.CommitAsync();
         }
 
         private void BranchList_SelectionChanged(object? sender, SelectionChangedEventArgs? evt) {

Elwig/Windows/BaseDataWindow.xaml.Mod.cs

@@ -22,10 +22,7 @@ namespace Elwig.Windows {
         private async Task ModifiersInitEditing(AppDbContext ctx) {
             SeasonList.IsEnabled = false;
             var year = (SeasonList.SelectedItem as Season)?.Year;
-            _modList = new(await ctx.Modifiers
+            _modList = new(await ctx.FetchModifiers(year ?? 0).ToListAsync());
-                .Where(m => m.Year == year)
-                .OrderBy(m => m.Ordering)
-                .ToListAsync());
             _mods = _modList.ToDictionary(m => m.ModId, m => (string?)m.ModId);
             _modIds = _modList.ToDictionary(m => m, m => m.ModId);
             ControlUtils.RenewItemsSource(SeasonModifierList, _modList);
@@ -34,10 +31,7 @@ namespace Elwig.Windows {
 
         private async Task ModifiersFinishEditing(AppDbContext ctx) {
             var year = (SeasonList.SelectedItem as Season)?.Year;
-            ControlUtils.RenewItemsSource(SeasonModifierList, await ctx.Modifiers
+            ControlUtils.RenewItemsSource(SeasonModifierList, await ctx.FetchModifiers(year ?? 0).ToListAsync());
-                .Where(m => m.Year == year)
-                .OrderBy(m => m.Ordering)
-                .ToListAsync());
             _modList = null;
             _mods = null;
             _modIds = null;

Elwig/Windows/BaseDataWindow.xaml.Season.cs

@@ -19,22 +19,14 @@ namespace Elwig.Windows {
         private async Task SeasonsInitEditing(AppDbContext ctx) {
             SeasonAddButton.IsEnabled = false;
             SeasonRemoveButton.IsEnabled = false;
-            ControlUtils.RenewItemsSource(SeasonList, await ctx.Seasons
+            ControlUtils.RenewItemsSource(SeasonList, await ctx.FetchSeasons(includeModifiers: true).ToListAsync());
-                .OrderByDescending(s => s.Year)
-                .Include(s => s.Modifiers)
-                .Include(s => s.Currency)
-                .ToListAsync());
             SeasonList_SelectionChanged(null, null);
         }
 
         private async Task SeasonsFinishEditing(AppDbContext ctx) {
             SeasonAddButton.IsEnabled = true;
             SeasonRemoveButton.IsEnabled = true;
-            ControlUtils.RenewItemsSource(SeasonList, await ctx.Seasons
+            ControlUtils.RenewItemsSource(SeasonList, await ctx.FetchSeasons(includeModifiers: true).ToListAsync());
-                .OrderByDescending(s => s.Year)
-                .Include(s => s.Modifiers)
-                .Include(s => s.Currency)
-                .ToListAsync());
             _seasonChanged = false;
         }
 

Elwig/Windows/BaseDataWindow.xaml.WineAttr.cs

@@ -19,9 +19,7 @@ namespace Elwig.Windows {
         private bool _attrUpdate = false;
 
         private async Task WineAttributesInitEditing(AppDbContext ctx) {
-            _attrList = new(await ctx.WineAttributes
+            _attrList = new(await ctx.FetchWineAttributes().ToListAsync());
-                .OrderBy(a => a.Name)
-                .ToListAsync());
             _attrs = _attrList.ToDictionary(a => a.AttrId, a => (string?)a.AttrId);
             _attrIds = _attrList.ToDictionary(a => a, a => a.AttrId);
             ControlUtils.RenewItemsSource(WineAttributeList, _attrList);
@@ -29,9 +27,7 @@ namespace Elwig.Windows {
         }
 
         private async Task WineAttributesFinishEditing(AppDbContext ctx) {
-            ControlUtils.RenewItemsSource(WineAttributeList, await ctx.WineAttributes
+            ControlUtils.RenewItemsSource(WineAttributeList, await ctx.FetchWineAttributes().ToListAsync());
-                .OrderBy(a => a.Name)
-                .ToListAsync());
             _attrList = null;
             _attrs = null;
             _attrIds = null;
@@ -45,9 +41,9 @@ namespace Elwig.Windows {
             if (!_attrChanged || _attrList == null || _attrs == null || _attrIds == null)
                 return;
 
-            foreach (var (attrid, _) in _attrs.Where(a => a.Value == null)) {
+            using var tx = await ctx.Database.BeginTransactionAsync();
-                ctx.Remove(ctx.WineAttributes.Find(attrid)!);
+            var deleteAttrIds = _attrs.Where(a => a.Value == null).Select(a => a.Key).ToList();
-            }
+            await ctx.WineAttributes.Where(a => deleteAttrIds.Contains(a.AttrId)).ExecuteDeleteAsync();
             foreach (var (attr, old) in _attrIds) {
                 attr.AttrId = old;
             }
@@ -61,13 +57,13 @@ namespace Elwig.Windows {
                 await ctx.Database.ExecuteSqlAsync($"UPDATE area_commitment_type SET vtrgid = (sortid || COALESCE(attrid, '') || COALESCE(disc, '')) WHERE attrid = {attrid}");
                 await ctx.Database.ExecuteSqlRawAsync($"UPDATE payment_variant SET data = REPLACE(REPLACE(data, '/{old}\"', '/{attrid}\"'), '/{old}-', '/{attrid}-')");
             }
-            await ctx.SaveChangesAsync();
 
             foreach (var attr in _attrList.Where(a => !_attrIds.ContainsKey(a))) {
                 if (attr.AttrId == null) continue;
                 ctx.Add(attr);
             }
             await ctx.SaveChangesAsync();
+            await tx.CommitAsync();
         }
 
         private void WineAttributeList_SelectionChanged(object? sender, SelectionChangedEventArgs? evt) {

Elwig/Windows/BaseDataWindow.xaml.WineCult.cs

@@ -19,9 +19,7 @@ namespace Elwig.Windows {
         private bool _cultUpdate = false;
 
         private async Task WineCultivationsInitEditing(AppDbContext ctx) {
-            _cultList = new(await ctx.WineCultivations
+            _cultList = new(await ctx.FetchWineCultivations().ToListAsync());
-                .OrderBy(c => c.Name)
-                .ToListAsync());
             _cults = _cultList.ToDictionary(c => c.CultId, c => (string?)c.CultId);
             _cultIds = _cultList.ToDictionary(c => c, c => c.CultId);
             ControlUtils.RenewItemsSource(WineCultivationList, _cultList);
@@ -29,9 +27,7 @@ namespace Elwig.Windows {
         }
 
         private async Task WineCultivationsFinishEditing(AppDbContext ctx) {
-            ControlUtils.RenewItemsSource(WineCultivationList, await ctx.WineCultivations
+            ControlUtils.RenewItemsSource(WineCultivationList, await ctx.FetchWineCultivations().ToListAsync());
-                .OrderBy(c => c.Name)
-                .ToListAsync());
             _cultList = null;
             _cults = null;
             _cultIds = null;
@@ -45,9 +41,9 @@ namespace Elwig.Windows {
             if (!_cultChanged || _cultList == null || _cults == null || _cultIds == null)
                 return;
 
-            foreach (var (cultid, _) in _cults.Where(c => c.Value == null)) {
+            using var tx = await ctx.Database.BeginTransactionAsync();
-                ctx.Remove(ctx.WineCultivations.Find(cultid)!);
+            var deleteCultIds = _cults.Where(c => c.Value == null).Select(c => c.Key).ToList();
-            }
+            await ctx.WineCultivations.Where(c => deleteCultIds.Contains(c.CultId)).ExecuteDeleteAsync();
             foreach (var (cult, old) in _cultIds) {
                 cult.CultId = old;
             }
@@ -60,13 +56,13 @@ namespace Elwig.Windows {
                 await ctx.Database.ExecuteSqlAsync($"UPDATE wine_cultivation SET cultid = {cultid} WHERE cultid = {old}");
                 await ctx.Database.ExecuteSqlRawAsync($"UPDATE payment_variant SET data = REPLACE(data, '-{old}\"', '-{cultid}\"')");
             }
-            await ctx.SaveChangesAsync();
 
             foreach (var cult in _cultList.Where(c => !_cultIds.ContainsKey(c))) {
                 if (cult.CultId == null) continue;
                 ctx.Add(cult);
             }
             await ctx.SaveChangesAsync();
+            await tx.CommitAsync();
         }
 
         private void WineCultivationList_SelectionChanged(object? sender, SelectionChangedEventArgs? evt) {

Elwig/Windows/BaseDataWindow.xaml.cs

@@ -153,44 +153,22 @@ namespace Elwig.Windows {
             ParameterExportEbicsAddress.IsEnabled = true;
         }
 
-        private void Window_Loaded(object sender, RoutedEventArgs evt) {
-            LockInputs();
-        }
-
         protected override async Task OnRenewContext(AppDbContext ctx) {
             await base.OnRenewContext(ctx);
-            FillInputs(App.Client, await ctx.Seasons.FindAsync(Utils.CurrentLastSeason));
+            FillInputs(App.Client, await ctx.FetchSeasons(Utils.CurrentLastSeason).SingleOrDefaultAsync());
-            ControlUtils.RenewItemsSource(SeasonList, await ctx.Seasons
+            ControlUtils.RenewItemsSource(SeasonList, await ctx.FetchSeasons(includeModifiers: true).ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
-                .OrderByDescending(s => s.Year)
-                .Include(s => s.Modifiers)
-                .Include(s => s.Currency)
-                .ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
             var year = (SeasonList.SelectedItem as Season)?.Year;
-            ControlUtils.RenewItemsSource(BranchList, await ctx.Branches
+            ControlUtils.RenewItemsSource(BranchList, await ctx.FetchBranches().ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
-                .OrderBy(b => b.Name)
+            ControlUtils.RenewItemsSource(WineAttributeList, await ctx.FetchWineAttributes().ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
-                .Include(b => b.PostalDest!.AtPlz)
+            ControlUtils.RenewItemsSource(AreaCommitmentTypeWineVariantInput, await ctx.FetchWineVarieties().ToListAsync());
-                .ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
+            var attrList = await ctx.FetchWineAttributes().Cast<object>().ToListAsync();
-            ControlUtils.RenewItemsSource(WineAttributeList, await ctx.WineAttributes
-                .OrderBy(a => a.Name)
-                .ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
-            ControlUtils.RenewItemsSource(AreaCommitmentTypeWineVariantInput, await ctx.WineVarieties
-                .OrderBy(s => s.Name)
-                .ToListAsync());
-            var attrList = await ctx.WineAttributes.OrderBy(a => a.Name).Cast<object>().ToListAsync();
             attrList.Insert(0, new NullItem(""));
             ControlUtils.RenewItemsSource(AreaCommitmentTypeWineAttributeInput, attrList);
             ControlUtils.RenewItemsSource(AreaCommitmentTypeList, await ctx.AreaCommitmentTypes
                 .OrderBy(t => t.VtrgId)
-                .Include(t => t.WineVar)
-                .Include(t => t.WineAttr)
-                .ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
-            ControlUtils.RenewItemsSource(WineCultivationList, await ctx.WineCultivations
-                .OrderBy(c => c.Name)
-                .ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
-            ControlUtils.RenewItemsSource(SeasonModifierList, await ctx.Modifiers
-                .Where(m => m.Year == year)
-                .OrderBy(m => m.Ordering)
                 .ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
+            ControlUtils.RenewItemsSource(WineCultivationList, await ctx.FetchWineCultivations().ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
+            ControlUtils.RenewItemsSource(SeasonModifierList, await ctx.FetchModifiers(year ?? 0).ToListAsync(), null, ControlUtils.RenewSourceDefault.First);
         }
 
         protected override void UpdateButtons() {
@@ -286,7 +264,7 @@ namespace Elwig.Windows {
 
             using var ctx = new AppDbContext();
             ClearInputStates();
-            FillInputs(App.Client, await ctx.Seasons.FindAsync(Utils.CurrentLastSeason));
+            FillInputs(App.Client, await ctx.FetchSeasons(Utils.CurrentLastSeason).SingleOrDefaultAsync());
             LockInputs();
         }
 
@@ -306,7 +284,7 @@ namespace Elwig.Windows {
 
             using var ctx = new AppDbContext();
             ClearInputStates();
-            FillInputs(App.Client, await ctx.Seasons.FindAsync(Utils.CurrentLastSeason));
+            FillInputs(App.Client, await ctx.FetchSeasons(Utils.CurrentLastSeason).SingleOrDefaultAsync());
             UpdateButtons();
         }
 
@@ -342,7 +320,7 @@ namespace Elwig.Windows {
 
             using (var ctx = new AppDbContext()) {
                 ClearInputStates();
-                FillInputs(App.Client, await ctx.Seasons.FindAsync(Utils.CurrentLastSeason));
+                FillInputs(App.Client, await ctx.FetchSeasons(Utils.CurrentLastSeason).SingleOrDefaultAsync());
                 LockInputs();
             }
 
@@ -430,7 +408,7 @@ namespace Elwig.Windows {
         private async Task UpdateParameters(int year) {
             try {
                 using var ctx = new AppDbContext();
-                if (await ctx.Seasons.FindAsync(year) is not Season s)
+                if (await ctx.FetchSeasons(year).SingleOrDefaultAsync() is not Season s)
                     return;
 
                 s.Billing_AllowAttrsIntoLower = ParameterAllowAttrIntoLowerInput.IsChecked ?? false;

Elwig/Windows/ChartWindow.xaml

@@ -9,7 +9,6 @@
         xmlns:ScottPlot="clr-namespace:ScottPlot.WPF;assembly=ScottPlot.WPF"
         mc:Ignorable="d"
         Title="Auszahlung - Elwig" Height="700" Width="1500" MinWidth="1000" MinHeight="500"
-        Loaded="Window_Loaded"
         Closing="Window_Closing">
 
     <Window.Resources>

Elwig/Windows/ChartWindow.xaml.cs

@@ -80,9 +80,6 @@ namespace Elwig.Windows {
             LockContext = true;
         }
 
-        private void Window_Loaded(object sender, RoutedEventArgs evt) {
-        }
-
         private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e) {
             if (HasChanged) {
                 var r = MessageBox.Show("Soll das Fenster wirklich geschlossen werden? Nicht gespeicherte Änderungen werden NICHT übernommen!", "Schließen bestätigen",
@@ -101,17 +98,17 @@ namespace Elwig.Windows {
 
         private async Task RefreshGraphList(AppDbContext ctx) {
             PaymentVar = await ctx.PaymentVariants.FindAsync(Year, AvNr) ?? throw new ArgumentException("PaymentVar not found");
-            Season = await ctx.Seasons.FindAsync(Year) ?? throw new ArgumentException("Season not found");
+            Season = await ctx.FetchSeasons(Year).SingleOrDefaultAsync() ?? throw new ArgumentException("Season not found");
             CurrencySymbol = Season.Currency.Symbol ?? Season.Currency.Code;
             PriceInput.Unit = $"{CurrencySymbol}/kg";
             GebundenFlatBonus.Unit = $"{CurrencySymbol}/kg";
 
             try {
-                var data = EditBillingData.FromJson(PaymentVar.Data, Utils.GetVaributes(ctx, Year));
+                var data = EditBillingData.FromJson(PaymentVar.Data, await Utils.GetVaributes(ctx, Year));
-                var paymentEntries = data.GetPaymentGraphEntries(ctx, Season);
+                var paymentEntries = await data.GetPaymentGraphEntries(ctx, Season);
                 GraphEntries = [
                     ..paymentEntries,
-                    ..data.GetQualityGraphEntries(ctx, Season, paymentEntries.Any() ? paymentEntries.Max(e => e.Id) : 0)
+                    ..await data.GetQualityGraphEntries(ctx, Season, paymentEntries.Any() ? paymentEntries.Max(e => e.Id) : 0)
                 ];
             } catch (KeyNotFoundException ex) {
                 var key = ex.Message.Split('\'')[1].Split('\'')[0];
@@ -126,7 +123,7 @@ namespace Elwig.Windows {
                 MessageBox.Show("Fehler beim Laden der Auszahlungsvariante:\n\n" + ex.Message, "Fehler",
                     MessageBoxButton.OK, MessageBoxImage.Error);
             }
-            Vaributes = Utils.GetVaributeList(ctx, Year);
+            Vaributes = await Utils.GetVaributeList(ctx, Year);
             GraphEntries.ForEach(e => {
                 e.Vaributes.ForEach(v => {
                     var found = Vaributes.Find(a => a.Variety?.SortId == v.Variety?.SortId && a.Attribute?.AttrId == v.Attribute?.AttrId && a.Cultivation?.CultId == v.Cultivation?.CultId);
@@ -645,7 +642,7 @@ namespace Elwig.Windows {
                 await Task.Run(async () => {
                     using var ctx = new AppDbContext();
                     var origData = BillingData.FromJson(PaymentVar.Data);
-                    var data = BillingData.FromGraphEntries(GraphEntries, origData, Utils.GetVaributes(ctx, Year),
+                    var data = BillingData.FromGraphEntries(GraphEntries, origData, await Utils.GetVaributes(ctx, Year),
                         AllVaributesAssigned, AllVaributesAssignedAbgew);
 
                     PaymentVar.Data = data.ToJsonString();
@@ -663,7 +660,7 @@ namespace Elwig.Windows {
 
             try {
                 await Task.Run(async () => {
-                    var b = new BillingVariant(PaymentVar.Year, PaymentVar.AvNr);
+                    var b = await BillingVariant.Create(PaymentVar.Year, PaymentVar.AvNr);
                     await b.Calculate(false);
                 });
             } catch (KeyNotFoundException exc) {

Elwig/Windows/ContextWindow.cs

@@ -13,11 +13,13 @@ namespace Elwig.Windows {
             set {
                 _lockContext = value;
                 if (!_lockContext && _renewPending) {
-                    Dispatcher.BeginInvoke(async () => await RenewContext());
+                    Dispatcher.BeginInvoke(async () => await EnsureContextRenewed());
                 }
             }
         }
 
+        protected bool HasContextLoaded { get; private set; }
+
         private bool _renewPending = false;
 
         private readonly RoutedCommand CtrlR = new("CtrlR", typeof(ContextWindow), [new KeyGesture(Key.R, ModifierKeys.Control)]);
@@ -30,26 +32,40 @@ namespace Elwig.Windows {
         }
 
         public async void ForceContextReload(object sender, EventArgs evt) {
-            await HintContextChange();
+            await ForceContextReload();
         }
 
-        public async Task HintContextChange() {
+        public async Task ForceContextReload() {
+            HintContextChange();
+            await TryContextReload();
+        }
+
+        public void HintContextChange() {
             _renewPending = true;
+        }
+
+        public async Task TryContextReload() {
             if (LockContext) return;
-            await RenewContext();
+            await EnsureContextRenewed();
         }
 
         protected async void OnLoaded(object? sender, RoutedEventArgs? evt) {
+            Mouse.OverrideCursor = Cursors.AppStarting;
+            using var ctx = new AppDbContext();
+            await OnRenewContext(ctx);
+            HasContextLoaded = true;
+            await OnInit(ctx);
+            Mouse.OverrideCursor = null;
+        }
+
+        protected async Task EnsureContextRenewed() {
+            if (!_renewPending) return;
+            _renewPending = false;
             using var ctx = new AppDbContext();
             await OnRenewContext(ctx);
         }
 
-        protected async Task RenewContext() {
+        virtual protected async Task OnInit(AppDbContext ctx) { }
-            if (!_renewPending) return;
-            using var ctx = new AppDbContext();
-            await OnRenewContext(ctx);
-            _renewPending = false;
-        }
 
         abstract protected Task OnRenewContext(AppDbContext ctx);
     }

Elwig/Windows/DeliveryAdminWindow.xaml

@@ -6,8 +6,7 @@
         xmlns:local="clr-namespace:Elwig.Windows"
         xmlns:vm="clr-namespace:Elwig.ViewModels"
         xmlns:ctrl="clr-namespace:Elwig.Controls"
-        Title="{Binding Title}" Height="720" Width="1150" MinHeight="720" MinWidth="1000"
+        Title="{Binding Title}" Height="720" Width="1150" MinHeight="720" MinWidth="1000">
-        Loaded="Window_Loaded">
     <Window.DataContext>
         <vm:DeliveryAdminViewModel/>
     </Window.DataContext>

Elwig/Windows/DeliveryAdminWindow.xaml.cs

@@ -37,6 +37,7 @@ namespace Elwig.Windows {
         private readonly Button[] WeighingButtons;
 
         private List<WineQualLevel> WineQualityLevels = [];
+        private Dictionary<int, List<Modifier>> Modifiers = [];
 
         public DeliveryAdminWindow(bool receipt = false) {
             InitializeComponent();
@@ -122,20 +123,20 @@ namespace Elwig.Windows {
             Menu_Export_UploadSeason.IsEnabled = App.Config.SyncUrl != null;
         }
 
-        public DeliveryAdminWindow(int mgnr) : this() {
+        public DeliveryAdminWindow(int mgnr) :
+            this() {
             ViewModel.FilterMember = DeliveryService.GetMember(mgnr) ?? throw new ArgumentException("MgNr argument has invalid value");
             ViewModel.Title = $"Lieferungen - {ViewModel.FilterMember.AdministrativeName} - Elwig";
             ViewModel.EnableAllSeasons = true;
         }
 
-        private void Window_Loaded(object sender, RoutedEventArgs evt) {
+        protected override async Task OnInit(AppDbContext ctx) {
+            await base.OnInit(ctx);
             OnSecondPassed(null, null);
             SecondsTimer.Start();
-            LockInputs();
             if (ViewModel.IsReceipt) {
                 NewDeliveryButton_Click(null, null);
-                using var ctx = new AppDbContext();
+                if (await ctx.FetchSeasons(Utils.CurrentYear).SingleOrDefaultAsync() == null) {
-                if (ctx.Seasons.Find(Utils.CurrentYear) == null) {
                     MessageBox.Show("Die Saison für das aktuelle Jahr wurde noch nicht erstellt. Neue Lieferungen können nicht abgespeichert werden.\n\n(Stammdaten -> Saisons -> Neu anlegen...)",
                         "Saison noch nicht erstellt", MessageBoxButton.OK, MessageBoxImage.Warning);
                 }
@@ -285,17 +286,17 @@ namespace Elwig.Windows {
             await ViewModel.GenerateDeliveryDataList(DeliveryService.ExportSubject.FromFilters, ExportMode.SaveList);
 
         private async void Menu_BulkAction_SetAttribute_Click(object sender, RoutedEventArgs evt) {
-            if (sender is not MenuItem item) return;
+            if (IsEditing || IsCreating || sender is not MenuItem item) return;
             await ViewModel.BulkSetAttribute(item.Header as string);
         }
 
         private async void Menu_BulkAction_AddModifier_Click(object sender, RoutedEventArgs evt) {
-            if (sender is not MenuItem item || item.Header is not string name) return;
+            if (IsEditing || IsCreating || sender is not MenuItem item || item.Header is not string name) return;
             await ViewModel.BulkAddModifier(name);
         }
 
         private async void Menu_BulkAction_RemoveModifier_Click(object sender, RoutedEventArgs evt) {
-            if (sender is not MenuItem item || item.Header is not string name) return;
+            if (IsEditing || IsCreating || sender is not MenuItem item || item.Header is not string name) return;
             await ViewModel.BulkRemoveModifier(name);
         }
 
@@ -420,45 +421,55 @@ namespace Elwig.Windows {
         }
 
         private async Task RefreshList(bool updateSort = false) {
-            using var ctx = new AppDbContext();
+            var vm = ViewModel;
-            var (_, deliveryQuery, deliveryPartsQuery, predicate, filter) = await ViewModel.GetFilters(ctx);
+            var cursor = Mouse.OverrideCursor != null;
-            var deliveries = await deliveryQuery
+            if (!cursor) Mouse.OverrideCursor = Cursors.Wait;
-                .Include(d => d.Parts).ThenInclude(p => p.PartModifiers).ThenInclude(m => m.Modifier)
+            var query = (vm.SearchQuery, vm.FilterSeason, vm.FilterAllSeasons, vm.FilterTodayOnly);
-                .Include(d => d.Parts).ThenInclude(p => p.Attribute)
+            var (filter, deliveries, deliveryPartsNum, varieties, members, stat) = await Task.Run(async () => {
-                .Include(d => d.Parts).ThenInclude(p => p.Cultivation)
+                using var ctx = new AppDbContext();
-                .Include(d => d.Parts).ThenInclude(p => p.Variety)
+                var (_, deliveryQuery, deliveryPartsQuery, predicate, filter) = await vm.GetFilters(ctx);
-                .Include(d => d.Member.EmailAddresses)
+                var deliveries = await deliveryQuery
-                .AsSplitQuery()
+                    .Include(d => d.Parts).ThenInclude(p => p.PartModifiers).ThenInclude(m => m.Modifier)
-                .ToListAsync();
+                    .Include(d => d.Parts).ThenInclude(p => p.Variety)
-            deliveries.Reverse();
+                    .IgnoreAutoIncludes()
+                    .AsSplitQuery()
+                    .ToListAsync();
+                deliveries.Reverse();
 
-            if (filter.Count > 0 && deliveries.Count > 0) {
+                if (filter.Count > 0 && deliveries.Count > 0) {
-                var dict = deliveries.AsParallel()
+                    var dict = deliveries.AsParallel()
-                    .ToDictionary(d => d, d => d.SearchScore(ViewModel.TextFilter))
+                        .ToDictionary(d => d, d => d.SearchScore(vm.TextFilter))
-                    .OrderByDescending(a => a.Value)
+                        .OrderByDescending(a => a.Value)
-                    .ThenBy(a => a.Key.DateTime);
+                        .ThenBy(a => a.Key.DateTime);
-                var threshold = dict.Select(a => a.Value).Max() * 3 / 4;
+                    var threshold = dict.Max(a => a.Value) * 3 / 4;
-                deliveries = dict
+                    deliveries = [.. dict
-                    .Where(a => a.Value > threshold)
+                        .Where(a => a.Value > threshold)
-                    .Select(a => a.Key)
+                        .Select(a => a.Key)];
-                    .ToList();
+                }
-            }
+
+                deliveries.ForEach(d => { d.PartFilter = predicate; });
+
+                var deliveryPartsNum = await deliveryPartsQuery.CountAsync();
+                var varieties = await deliveryPartsQuery.Select(d => d.SortId).Distinct().ToListAsync();
+                var members = await deliveryQuery.Select(d => d.Member).Distinct().IgnoreAutoIncludes().ToListAsync();
+                var stat = await DeliveryService.GenerateToolTipData(deliveryPartsQuery);
+
+                return (filter, deliveries, deliveryPartsNum, varieties, members, stat);
+            });
+            if (!cursor) Mouse.OverrideCursor = null;
+            if (query != (ViewModel.SearchQuery, ViewModel.FilterSeason, ViewModel.FilterAllSeasons, ViewModel.FilterTodayOnly)) return;
 
-            deliveries.ForEach(d => { d.PartFilter = predicate; });
             ControlUtils.RenewItemsSource(DeliveryList, deliveries,
-                DeliveryList_SelectionChanged, filter.Count > 0 ? ControlUtils.RenewSourceDefault.IfOnly : ControlUtils.RenewSourceDefault.None, !updateSort);
+                DeliveryList_SelectionChanged, ViewModel.TextFilter.Count > 0 ? ControlUtils.RenewSourceDefault.IfOnly : ControlUtils.RenewSourceDefault.None, !updateSort);
             await RefreshDeliveryParts();
 
-            var members = deliveries.Select(d => d.Member).DistinctBy(m => m.MgNr).ToList();
             ViewModel.StatusMembers = $"{members.Count:N0}" + (members.Count > 0 && members.Count <= 4 ? $" ({string.Join(", ", members.Select(m => m.AdministrativeName))})" : "");
             ViewModel.StatusDeliveries = $"{deliveries.Count:N0}";
 
             if (filter.Count == 0) {
-                var deliveryParts = deliveryPartsQuery;
+                ViewModel.StatusDeliveries = $"{deliveries.Count:N0} ({deliveryPartsNum:N0})";
-                ViewModel.StatusDeliveries = $"{deliveries.Count:N0} ({await deliveryParts.CountAsync():N0})";
-                var varieties = await deliveryParts.Select(d => d.SortId).Distinct().ToListAsync();
                 ViewModel.StatusVarieties = $"{varieties.Count:N0}" + (varieties.Count > 0 && varieties.Count <= 10 ? $" ({string.Join(", ", varieties)})" : "");
-                var (wText, wData, gText, gData) = await DeliveryService.GenerateToolTipData(deliveryParts);
+                var (wText, wData, gText, gData) = stat;
                 ViewModel.StatusWeight = wText;
                 ViewModel.StatusGradation = gText;
                 (ViewModel.StatusWeightToolTip, ViewModel.StatusGradationToolTip) = DeliveryService.GenerateToolTip(wData, gData);
@@ -486,7 +497,7 @@ namespace Elwig.Windows {
 
             int year = 0;
             Menu_Bki_SaveList.Items.Clear();
-            foreach (var s in await ctx.Seasons.OrderByDescending(s => s.Year).ToListAsync()) {
+            foreach (var s in await ctx.FetchSeasons().ToListAsync()) {
                 if (s.Year > year) year = s.Year;
                 var i = new MenuItem {
                     Header = $"Saison {s.Year}",
@@ -495,6 +506,9 @@ namespace Elwig.Windows {
                 Menu_Bki_SaveList.Items.Add(i);
             }
 
+            var attributes = await ctx.FetchWineAttributes(!IsCreating).ToListAsync();
+            Modifiers = await ctx.FetchModifiers(null).GroupBy(m => m.Year).ToDictionaryAsync(g => g.Key, g => g.ToList());
+
             var font = new FontFamily("Segoe MDL2 Assets");
             Menu_BulkAction_SetAttribute.Items.Clear();
             var noAttr = new MenuItem {
@@ -503,7 +517,7 @@ namespace Elwig.Windows {
             };
             noAttr.Click += Menu_BulkAction_SetAttribute_Click;
             Menu_BulkAction_SetAttribute.Items.Add(noAttr);
-            foreach (var attr in await ctx.WineAttributes.OrderBy(a => a.AttrId).ToListAsync()) {
+            foreach (var attr in attributes) {
                 var i = new MenuItem {
                     Header = attr.Name,
                 };
@@ -513,7 +527,7 @@ namespace Elwig.Windows {
 
             Menu_BulkAction_AddModifier.Items.Clear();
             Menu_BulkAction_RemoveModifier.Items.Clear();
-            foreach (var mod in await ctx.Modifiers.Where(m => m.Year == year).OrderBy(m => m.ModId).ToListAsync()) {
+            foreach (var mod in Modifiers.GetValueOrDefault(ViewModel.SelectedDelivery?.Year ?? 0, []).Where(m => m.IsActive || !IsCreating)) {
                 var i1 = new MenuItem {
                     Header = mod.Name,
                 };
@@ -527,44 +541,34 @@ namespace Elwig.Windows {
             }
 
             await RefreshList();
-            var d = DeliveryList.SelectedItem as Delivery;
+
-            var y = d?.Year ?? ViewModel.FilterSeason;
+            ControlUtils.RenewItemsSource(MemberInput, await ctx.FetchMembers(includeNotActive: !IsCreating, includeContactInfo: true).ToListAsync());
-            ControlUtils.RenewItemsSource(MemberInput, await ctx.Members
+            ControlUtils.RenewItemsSource(BranchInput, await ctx.FetchBranches().ToListAsync());
-                .Where(m => m.IsActive || !IsCreating)
+            ControlUtils.RenewItemsSource(WineVarietyInput, await ctx.FetchWineVarieties().ToListAsync());
-                .Include(m => m.PostalDest.AtPlz!.Ort)
+            var attrList = attributes.Cast<object>().ToList();
-                .Include(m => m.DefaultWbKg!.AtKg)
-                .OrderBy(m => m.Name)
-                .ThenBy(m => m.GivenName)
-                .ToListAsync());
-            ControlUtils.RenewItemsSource(BranchInput, await ctx.Branches.OrderBy(b => b.Name).ToListAsync());
-            ControlUtils.RenewItemsSource(WineVarietyInput, await ctx.WineVarieties.OrderBy(v => v.Name).ToListAsync());
-            var attrList = await ctx.WineAttributes.Where(a => !IsCreating || a.IsActive).OrderBy(a => a.Name).Cast<object>().ToListAsync();
             attrList.Insert(0, new NullItem(""));
             ControlUtils.RenewItemsSource(AttributeInput, attrList, null, ControlUtils.RenewSourceDefault.First);
-            var cultList = await ctx.WineCultivations.OrderBy(a => a.Name).Cast<object>().ToListAsync();
+            var cultList = await ctx.FetchWineCultivations().Cast<object>().ToListAsync();
             cultList.Insert(0, new NullItem(""));
             ControlUtils.RenewItemsSource(CultivationInput, cultList, null, ControlUtils.RenewSourceDefault.First);
-            WineQualityLevels = await ctx.WineQualityLevels.ToListAsync();
+            WineQualityLevels = await ctx.FetchWineQualityLevels().ToListAsync();
             ControlUtils.RenewItemsSource(WineQualityLevelInput, WineQualityLevels);
-            ControlUtils.RenewItemsSource(ModifiersInput, await ctx.Modifiers
+            ControlUtils.RenewItemsSource(ModifiersInput, Modifiers.GetValueOrDefault(year, []).Where(m => m.IsActive || !IsCreating).ToList());
-                .Where(m => m.Year == y && (!IsCreating || m.IsActive))
+            var origins = await ctx.WineOrigins.ToListAsync();
-                .OrderBy(m => m.Ordering)
+            origins.ForEach(o => { origins.FirstOrDefault(p => p.HkId == o.ParentHkId)?.Children.Add(o); });
-                .Include(m => m.Season.Currency)
+            origins = [.. origins.OrderByDescending(o => o.SortKey).ThenBy(o => o.HkId)];
-                .ToListAsync());
+            ControlUtils.RenewItemsSource(WineOriginInput, origins);
-            ControlUtils.RenewItemsSource(WineOriginInput, (await ctx.WineOrigins.ToListAsync()).OrderByDescending(o => o.SortKey).ThenBy(o => o.HkId));
             var kgList = (await ctx.Katastralgemeinden
                 .Where(k => k.WbKg != null)
                 .Include(k => k.WbKg)
                 .Include(k => k.Gem.WbGem)
                 .OrderBy(k => k.Name)
-                .AsSplitQuery()
                 .ToListAsync()).Cast<object>().ToList();
             kgList.Insert(0, new NullItem());
             ControlUtils.RenewItemsSource(WineKgInput, kgList);
             UpdateRdInput();
             if (IsCreating) await UpdateLsNr();
 
-            await RefreshDeliveryParts();
             RefreshInputs();
         }
 
@@ -576,30 +580,22 @@ namespace Elwig.Windows {
         }
 
         private async Task RefreshDeliveryParts() {
-            using var ctx = new AppDbContext();
             if (DeliveryList.SelectedItem is Delivery d) {
-                ControlUtils.RenewItemsSource(ModifiersInput, await ctx.Modifiers
+                ControlUtils.RenewItemsSource(ModifiersInput, Modifiers.GetValueOrDefault(d.Year, []).Where(m => m.IsActive || !IsCreating).ToList());
-                    .Where(m => m.Year == d.Year && (!IsCreating || m.IsActive))
+                ControlUtils.RenewItemsSource(DeliveryPartList, d.Parts, DeliveryPartList_SelectionChanged, ControlUtils.RenewSourceDefault.First);
-                    .OrderBy(m => m.Ordering)
-                    .Include(m => m.Season.Currency)
-                    .ToListAsync());
-                ControlUtils.RenewItemsSource(DeliveryPartList, d.FilteredParts.OrderBy(p => p.DPNr).ToList(), DeliveryPartList_SelectionChanged, ControlUtils.RenewSourceDefault.First);
             } else {
-                ControlUtils.RenewItemsSource(ModifiersInput, await ctx.Modifiers
+                ControlUtils.RenewItemsSource(ModifiersInput, Modifiers.GetValueOrDefault(ViewModel.FilterSeason ?? 0, []).Where(m => m.IsActive || !IsCreating).ToList());
-                    .Where(m => m.Year == ViewModel.FilterSeason && (!IsCreating || m.IsActive))
-                    .OrderBy(m => m.Ordering)
-                    .Include(m => m.Season.Currency)
-                    .ToListAsync());
                 DeliveryPartList.ItemsSource = null;
             }
         }
 
         private void RefreshInputs(bool validate = false) {
             ClearInputStates();
-            if (DeliveryPartList.SelectedItem is DeliveryPart p) {
+            if (DeliveryList.SelectedItem is Delivery d) {
-                FillInputs(p);
-            } else if (DeliveryList.SelectedItem is Delivery d) {
                 FillInputs(d);
+                if (DeliveryPartList.SelectedItem is DeliveryPart p) {
+                    FillInputs(p);
+                }
             } else {
                 ClearOriginalValues();
                 ClearDefaultValues();
@@ -617,7 +613,6 @@ namespace Elwig.Windows {
         }
 
         private void FillInputs(DeliveryPart p) {
-            FillInputs(p.Delivery);
             ClearOriginalValues();
             ClearDefaultValues();
             ViewModel.FillInputs(p);
@@ -681,17 +676,19 @@ namespace Elwig.Windows {
         }
 
         private async void SearchInput_TextChanged(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             await RefreshList(true);
         }
 
         private async void SeasonInput_TextChanged(object sender, TextChangedEventArgs evt) {
-            if (ViewModel.FilterSeason == null || TodayOnlyInput == null || AllSeasonsInput == null) return;
+            if (!HasContextLoaded || ViewModel.FilterSeason == null || TodayOnlyInput == null || AllSeasonsInput == null) return;
             TodayOnlyInput.IsChecked = false;
             AllSeasonsInput.IsChecked = false;
             await RefreshList();
         }
 
         private async void TodayOnlyInput_Changed(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             if (TodayOnlyInput.IsChecked == true && AllSeasonsInput.IsChecked == false) {
                 ViewModel.FilterSeason = Utils.Today.Year;
                 ViewModel.FilterTodayOnly = true;
@@ -700,6 +697,7 @@ namespace Elwig.Windows {
         }
 
         private async void AllSeasonsInput_Changed(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             if (AllSeasonsInput.IsChecked == true) {
                 SeasonInput.IsEnabled = false;
                 ViewModel.FilterSeason = null;
@@ -719,7 +717,7 @@ namespace Elwig.Windows {
                 Menu_DeliveryNote_Show.IsEnabled = !IsEditing && !IsCreating;
                 Menu_DeliveryNote_SavePdf.IsEnabled = !IsEditing && !IsCreating;
                 Menu_DeliveryNote_Print.IsEnabled = !IsEditing && !IsCreating;
-                Menu_DeliveryNote_Email.IsEnabled = !IsEditing && !IsCreating && App.Config.Smtp != null && d.Member.EmailAddresses.Count > 0;
+                Menu_DeliveryNote_Email.IsEnabled = !IsEditing && !IsCreating && App.Config.Smtp != null && ViewModel.Member?.EmailAddresses.Count > 0;
                 Menu_Export_ExportSelected.IsEnabled = !IsEditing && !IsCreating;
                 Menu_Export_UploadSelected.IsEnabled = !IsEditing && !IsCreating && App.Config.SyncUrl != null;
             } else {
@@ -812,13 +810,12 @@ namespace Elwig.Windows {
             }
 
             EmptyScale();
-            await RefreshList();
+
-            await RefreshDeliveryParts();
+            await EnsureContextRenewed();
             Mouse.OverrideCursor = null;
-            ControlUtils.SelectItem(DeliveryList, p?.Delivery);
+            ControlUtils.SelectItemWithPk(DeliveryList, p?.Year, p?.DId);
             DeliveryPartList.SelectedItem = null;
-            DeliveryPartList.ScrollIntoView(DeliveryPartList.ItemsSource.Cast<object>().Last());
+            DeliveryPartList.ScrollIntoView(DeliveryPartList.ItemsSource.Cast<object>().LastOrDefault());
-            RefreshInputs();
             InitialInputs();
         }
 
@@ -851,27 +848,22 @@ namespace Elwig.Windows {
             }
 
             EmptyScale();
-            await RefreshList();
-            await RefreshDeliveryParts();
-            if (p?.Delivery != null) {
-                try {
-                    using var ctx = new AppDbContext();
-                    using var doc = new DeliveryNote((await ctx.Deliveries.FindAsync(p.Year, p.DId))!, ctx);
-                    await doc.Generate();
-                    if (App.Config.Debug) {
-                        doc.Show();
-                    } else {
-                        await doc.Print(2);
-                    }
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
-            }
 
+            Utils.RunBackground("Lieferschein drucken", async () => {
+                using var doc = await DeliveryNote.Initialize(p.Year, p.DId);
+                using (var ctx = new AppDbContext()) {
+                    await doc.Generate(ctx);
+                }
+                if (App.Config.Debug) {
+                    doc.Show();
+                } else {
+                    await doc.Print(2);
+                }
+            });
+
+            await EnsureContextRenewed();
             Mouse.OverrideCursor = null;
             DeliveryList.SelectedItem = null;
-            await RenewContext();
-            RefreshInputs();
             InitInputs();
         }
 
@@ -883,16 +875,10 @@ namespace Elwig.Windows {
             }
 
             using var ctx = new AppDbContext();
-            var attrList = await ctx.WineAttributes.OrderBy(a => a.Name).Cast<object>().ToListAsync();
+            var attrList = await ctx.FetchWineAttributes().Cast<object>().ToListAsync();
             attrList.Insert(0, new NullItem(""));
             ControlUtils.RenewItemsSource(AttributeInput, attrList, null, ControlUtils.RenewSourceDefault.First);
-            ControlUtils.RenewItemsSource(MemberInput, await ctx.Members
+            ControlUtils.RenewItemsSource(MemberInput, await ctx.FetchMembers(includeNotActive: !ViewModel.IsReceipt, includeContactInfo: true).ToListAsync());
-                .Where(m => m.IsActive || !ViewModel.IsReceipt)
-                .Include(m => m.PostalDest.AtPlz!.Ort)
-                .Include(m => m.DefaultWbKg!.AtKg)
-                .OrderBy(m => m.Name)
-                .ThenBy(m => m.GivenName)
-                .ToListAsync());
             if (DeliveryList.SelectedItem is not Delivery d) {
                 // switch away from creating mode
                 IsCreating = false;
@@ -902,7 +888,7 @@ namespace Elwig.Windows {
                 DisableWeighingButtons();
                 HideFinishNewPartDeliveryCancelButtons();
                 ShowNewEditDeleteButtons();
-                await RenewContext();
+                await EnsureContextRenewed();
                 RefreshInputs();
                 ClearInputStates();
                 LockInputs();
@@ -924,21 +910,11 @@ namespace Elwig.Windows {
             ViewModel.FilterTodayOnly = true;
             ViewModel.SearchQuery = "";
             using var ctx = new AppDbContext();
-            var attrList = await ctx.WineAttributes.Where(a => a.IsActive).OrderBy(a => a.Name).Cast<object>().ToListAsync();
+            var attrList = await ctx.FetchWineAttributes(false).Cast<object>().ToListAsync();
             attrList.Insert(0, new NullItem(""));
             ControlUtils.RenewItemsSource(AttributeInput, attrList, null, ControlUtils.RenewSourceDefault.First);
-            ControlUtils.RenewItemsSource(ModifiersInput, await ctx.Modifiers
+            ControlUtils.RenewItemsSource(ModifiersInput, Modifiers.GetValueOrDefault(ViewModel.FilterSeason ?? 0, []).Where(m => m.IsActive).ToList());
-                .Where(m => m.Year == ViewModel.FilterSeason && m.IsActive)
+            ControlUtils.RenewItemsSource(MemberInput, await ctx.FetchMembers(includeNotActive: !ViewModel.IsReceipt, includeContactInfo: true).ToListAsync());
-                .OrderBy(m => m.Ordering)
-                .Include(m => m.Season.Currency)
-                .ToListAsync());
-            ControlUtils.RenewItemsSource(MemberInput, await ctx.Members
-                .Where(m => m.IsActive || !ViewModel.IsReceipt)
-                .Include(m => m.PostalDest.AtPlz!.Ort)
-                .Include(m => m.DefaultWbKg!.AtKg)
-                .OrderBy(m => m.Name)
-                .ThenBy(m => m.GivenName)
-                .ToListAsync());
             IsCreating = true;
             DeliveryList.IsEnabled = false;
             DeliveryPartList.IsEnabled = false;
@@ -1082,9 +1058,7 @@ namespace Elwig.Windows {
             LockInputs();
             UnlockSearchInputs();
             FinishInputFilling();
-            await RefreshList();
+            await EnsureContextRenewed();
-            await RefreshDeliveryParts();
-            RefreshInputs();
 
             Mouse.OverrideCursor = null;
             DepreciateButton.IsEnabled = true;
@@ -1184,6 +1158,9 @@ namespace Elwig.Windows {
             SeasonInput.IsEnabled = false;
             TodayOnlyInput.IsEnabled = false;
             AllSeasonsInput.IsEnabled = false;
+            Menu_BulkAction_SetAttribute.IsEnabled = false;
+            Menu_BulkAction_AddModifier.IsEnabled = false;
+            Menu_BulkAction_RemoveModifier.IsEnabled = false;
         }
 
         private void UnlockSearchInputs() {
@@ -1191,6 +1168,9 @@ namespace Elwig.Windows {
             SeasonInput.IsEnabled = true;
             TodayOnlyInput.IsEnabled = true;
             AllSeasonsInput.IsEnabled = (ViewModel.FilterMember != null);
+            Menu_BulkAction_SetAttribute.IsEnabled = true;
+            Menu_BulkAction_AddModifier.IsEnabled = true;
+            Menu_BulkAction_RemoveModifier.IsEnabled = true;
         }
 
         new protected void UnlockInputs() {

Elwig/Windows/DeliveryAncmtAdminWindow.xaml

@@ -8,8 +8,7 @@
         xmlns:local="clr-namespace:Elwig.Windows"
         xmlns:vm="clr-namespace:Elwig.ViewModels"
         xmlns:ctrl="clr-namespace:Elwig.Controls"
-        Title="Anmeldungen - Elwig" Height="700" Width="980" MinWidth="600" MinHeight="400"
+        Title="Anmeldungen - Elwig" Height="700" Width="980" MinWidth="600" MinHeight="400">
-        Loaded="Window_Loaded">
     <Window.DataContext>
         <vm:DeliveryAncmtAdminViewModel/>
     </Window.DataContext>

Elwig/Windows/DeliveryAncmtAdminWindow.xaml.cs

@@ -36,11 +36,7 @@ namespace Elwig.Windows {
             ControlUtils.InitializeDelayTimer(SearchInput, SearchInput_TextChanged);
             SearchInput.TextChanged -= SearchInput_TextChanged;
             ViewModel.FilterSeason = Utils.CurrentLastSeason;
-        }
-
-        private void Window_Loaded(object sender, RoutedEventArgs evt) {
             ViewModel.FilterOnlyUpcoming = true;
-            LockInputs();
         }
 
         private void Input_KeyUp(object sender, KeyEventArgs evt) {
@@ -85,7 +81,6 @@ namespace Elwig.Windows {
             using var ctx = new AppDbContext();
             var list = await ctx.DeliverySchedules
                 .Where(s => s.Year == ViewModel.FilterSeason)
-                .Include(s => s.Branch)
                 .OrderBy(s => s.DateString)
                 .ThenBy(s => s.Branch.Name)
                 .ThenBy(s => s.Description)
@@ -103,36 +98,41 @@ namespace Elwig.Windows {
         }
 
         private async Task RefreshList(bool updateSort = false) {
-            using var ctx = new AppDbContext();
+            var vm = ViewModel;
-            var (_, deliveryAncmtQuery, filter) = await ViewModel.GetFilters(ctx);
+            var cursor = Mouse.OverrideCursor != null;
-            var deliveryAncmts = await deliveryAncmtQuery
+            if (!cursor) Mouse.OverrideCursor = Cursors.Wait;
-                .Include(a => a.Member.BillingAddress)
+            var query = (vm.SearchQuery, vm.FilterSeason, vm.FilterOnlyUpcoming, vm.FilterOnlyUpcoming);
-                .Include(a => a.Schedule)
+            var (filter, deliveryAncmts, stat) = await Task.Run(async () => {
-                .Include(a => a.Variety)
+                using var ctx = new AppDbContext();
-                .AsSplitQuery()
+                var (_, deliveryAncmtQuery, filter) = await vm.GetFilters(ctx);
-                .ToListAsync();
+                var deliveryAncmts = await deliveryAncmtQuery.ToListAsync();
 
-            if (filter.Count > 0 && deliveryAncmts.Count > 0) {
+                if (filter.Count > 0 && deliveryAncmts.Count > 0) {
-                var dict = deliveryAncmts.AsParallel()
+                    var dict = deliveryAncmts.AsParallel()
-                    .ToDictionary(a => a, a => a.SearchScore(filter))
+                        .ToDictionary(a => a, a => a.SearchScore(filter))
-                    .OrderByDescending(a => a.Value)
+                        .OrderByDescending(a => a.Value)
-                    .ThenBy(a => a.Key.Schedule.DateString)
+                        .ThenBy(a => a.Key.Schedule.DateString)
-                    .ThenBy(a => a.Key.Member.Name)
+                        .ThenBy(a => a.Key.Member.Name)
-                    .ThenBy(a => a.Key.Member.GivenName)
+                        .ThenBy(a => a.Key.Member.GivenName)
-                    .ThenBy(a => a.Key.Member.MgNr);
+                        .ThenBy(a => a.Key.Member.MgNr);
-                var threshold = dict.Select(a => a.Value).Max() * 3 / 4;
+                    var threshold = dict.Max(a => a.Value) * 3 / 4;
-                deliveryAncmts = dict
+                    deliveryAncmts = [.. dict
-                    .Where(a => a.Value > threshold)
+                        .Where(a => a.Value > threshold)
-                    .Select(a => a.Key)
+                        .Select(a => a.Key)];
-                    .ToList();
+                } else {
-            } else {
+                    deliveryAncmts = [.. deliveryAncmts
-                deliveryAncmts = deliveryAncmts
+                        .OrderBy(a => a.Schedule.DateString)
-                    .OrderBy(a => a.Schedule.DateString)
+                        .ThenBy(a => a.Member.Name)
-                    .ThenBy(a => a.Member.Name)
+                        .ThenBy(a => a.Member.GivenName)
-                    .ThenBy(a => a.Member.GivenName)
+                        .ThenBy(a => a.Member.MgNr)];
-                    .ThenBy(a => a.Member.MgNr)
+                }
-                    .ToList();
+
-            }
+                var stat = await DeliveryAncmtService.GenerateToolTipData(deliveryAncmtQuery);
+
+                return (filter, deliveryAncmts, stat);
+            });
+            if (!cursor) Mouse.OverrideCursor = null;
+            if (query != (ViewModel.SearchQuery, ViewModel.FilterSeason, ViewModel.FilterOnlyUpcoming, ViewModel.FilterOnlyUpcoming)) return;
 
             ControlUtils.RenewItemsSource(DeliveryAncmtList, deliveryAncmts,
                 DeliveryAncmtList_SelectionChanged, ViewModel.TextFilter.Count > 0 ? ControlUtils.RenewSourceDefault.IfOnly : ControlUtils.RenewSourceDefault.None, !updateSort);
@@ -141,9 +141,9 @@ namespace Elwig.Windows {
 
             ViewModel.StatusAncmts = $"{deliveryAncmts.Count:N0}";
             if (filter.Count == 0) {
-                var (text, grid) = await DeliveryAncmtService.GenerateToolTip(deliveryAncmtQuery);
+                var (text, data) = stat;
                 ViewModel.StatusWeight = text;
-                ViewModel.StatusWeightToolTip = grid;
+                ViewModel.StatusWeightToolTip = DeliveryAncmtService.GenerateToolTip(data);
             } else {
                 ViewModel.StatusWeight = $"{deliveryAncmts.Sum(a => a.Weight):N0} kg";
                 ViewModel.StatusWeightToolTip = null;
@@ -177,15 +177,8 @@ namespace Elwig.Windows {
         protected override async Task OnRenewContext(AppDbContext ctx) {
             await base.OnRenewContext(ctx);
 
-            ControlUtils.RenewItemsSource(MemberInput, await ctx.Members
+            ControlUtils.RenewItemsSource(MemberInput, await ctx.FetchMembers(includeNotActive: !IsCreating).ToListAsync());
-                .Where(m => m.IsActive || !IsCreating)
+            ControlUtils.RenewItemsSource(WineVarietyInput, await ctx.FetchWineVarieties().ToListAsync());
-                .Include(m => m.PostalDest.AtPlz!.Ort)
-                .Include(m => m.DefaultWbKg!.AtKg)
-                .OrderBy(m => m.Name)
-                .ThenBy(m => m.GivenName)
-                .ThenBy(m => m.MgNr)
-                .ToListAsync());
-            ControlUtils.RenewItemsSource(WineVarietyInput, await ctx.WineVarieties.OrderBy(v => v.Name).ToListAsync());
 
             await RefreshDeliveryScheduleList();
             await RefreshList();
@@ -196,6 +189,7 @@ namespace Elwig.Windows {
         }
 
         private async void DeliveryScheduleList_SelectionChanged(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             await RefreshList();
             if (DeliveryScheduleList.SelectedItem is DeliverySchedule s) {
                 Menu_DeliveryAncmtList_SaveSelected.IsEnabled = !IsEditing && !IsCreating;
@@ -217,11 +211,13 @@ namespace Elwig.Windows {
         }
 
         private async void OnlyUpcomingInput_Changed(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             await RefreshDeliveryScheduleList();
             await RefreshList(true);
         }
 
         private async void FromAllSchedulesInput_Changed(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             if (ViewModel.FilterFromAllSchedules) {
                 DeliveryScheduleList.SelectedItem = null;
             } else if (DeliveryScheduleList.SelectedItem == null) {
@@ -231,11 +227,12 @@ namespace Elwig.Windows {
         }
 
         private async void SearchInput_TextChanged(object sender, TextChangedEventArgs evt) {
+            if (!HasContextLoaded) return;
             await RefreshList(true);
         }
 
         private async void SeasonInput_TextChanged(object sender, TextChangedEventArgs evt) {
-            if (ViewModel.FilterSeason == null) return;
+            if (!HasContextLoaded || ViewModel.FilterSeason == null) return;
             ViewModel.FilterOnlyUpcoming = false;
             await RefreshDeliveryScheduleList();
             await RefreshList();
@@ -274,14 +271,7 @@ namespace Elwig.Windows {
             ViewModel.SelectedDeliveryAncmt = null;
 
             using var ctx = new AppDbContext();
-            ControlUtils.RenewItemsSource(MemberInput, await ctx.Members
+            ControlUtils.RenewItemsSource(MemberInput, await ctx.FetchMembers(includeNotActive: !IsCreating).ToListAsync());
-                .Where(m => m.IsActive || !IsCreating)
-                .Include(m => m.PostalDest.AtPlz!.Ort)
-                .Include(m => m.DefaultWbKg!.AtKg)
-                .OrderBy(m => m.Name)
-                .ThenBy(m => m.GivenName)
-                .ThenBy(m => m.MgNr)
-                .ToListAsync());
 
             HideNewEditDeleteButtons();
             ShowSaveResetCancelButtons();
@@ -374,8 +364,7 @@ namespace Elwig.Windows {
             LockInputs();
             ViewModel.EnableSearchInputs = true;
             FinishInputFilling();
-            await RefreshList();
+            await EnsureContextRenewed();
-            RefreshInputs();
             ViewModel.SearchQuery = "";
             ControlUtils.SelectItemWithPk(DeliveryScheduleList, year, dsnr);
             if (sortid != null)
@@ -404,14 +393,7 @@ namespace Elwig.Windows {
             DeliveryAncmtList.IsEnabled = true;
 
             using var ctx = new AppDbContext();
-            ControlUtils.RenewItemsSource(MemberInput, await ctx.Members
+            ControlUtils.RenewItemsSource(MemberInput, await ctx.FetchMembers(includeNotActive: !IsCreating).ToListAsync());
-                .Where(m => m.IsActive || !IsCreating)
-                .Include(m => m.PostalDest.AtPlz!.Ort)
-                .Include(m => m.DefaultWbKg!.AtKg)
-                .OrderBy(m => m.Name)
-                .ThenBy(m => m.GivenName)
-                .ThenBy(m => m.MgNr)
-                .ToListAsync());
 
             HideSaveResetCancelButtons();
             ShowNewEditDeleteButtons();

Elwig/Windows/DeliveryScheduleAdminWindow.xaml

@@ -7,8 +7,7 @@
         xmlns:local="clr-namespace:Elwig.Windows"
         xmlns:vm="clr-namespace:Elwig.ViewModels"
         xmlns:ctrl="clr-namespace:Elwig.Controls"
-        Title="Leseplanung - Elwig" Height="600" Width="850" MinHeight="450" MinWidth="800"
+        Title="Leseplanung - Elwig" Height="600" Width="850" MinHeight="450" MinWidth="800">
-        Loaded="Window_Loaded">
     <Window.DataContext>
         <vm:DeliveryScheduleAdminViewModel/>
     </Window.DataContext>

Elwig/Windows/DeliveryScheduleAdminWindow.xaml.cs

@@ -30,41 +30,43 @@ namespace Elwig.Windows {
             ControlUtils.InitializeDelayTimer(SearchInput, SearchInput_TextChanged);
             SearchInput.TextChanged -= SearchInput_TextChanged;
             ViewModel.FilterSeason = Utils.CurrentLastSeason;
-        }
-
-        private void Window_Loaded(object sender, RoutedEventArgs evt) {
             ViewModel.FilterOnlyUpcoming = true;
-            LockInputs();
         }
 
         private async Task RefreshList(bool updateSort = false) {
-            using var ctx = new AppDbContext();
+            var vm = ViewModel;
-            var (_, deliveryScheduleQuery, filter) = await ViewModel.GetFilters(ctx);
+            var cursor = Mouse.OverrideCursor != null;
-            var deliverySchedules = await deliveryScheduleQuery
+            if (!cursor) Mouse.OverrideCursor = Cursors.Wait;
-                .Include(s => s.Varieties)
+            var query = (vm.SearchQuery, vm.FilterSeason, vm.FilterOnlyUpcoming);
-                .Include(s => s.Branch)
+            var deliverySchedules = await Task.Run(async () => {
-                .AsSplitQuery()
+                using var ctx = new AppDbContext();
-                .ToListAsync();
+                var (_, deliveryScheduleQuery, filter) = await vm.GetFilters(ctx);
+                var deliverySchedules = await deliveryScheduleQuery
+                    .Include(s => s.Varieties)
+                    .ToListAsync();
 
-            if (filter.Count > 0 && deliverySchedules.Count > 0) {
+                if (filter.Count > 0 && deliverySchedules.Count > 0) {
-                var dict = deliverySchedules.AsParallel()
+                    var dict = deliverySchedules.AsParallel()
-                    .ToDictionary(s => s, s => s.SearchScore(filter))
+                        .ToDictionary(s => s, s => s.SearchScore(filter))
-                    .OrderByDescending(a => a.Value)
+                        .OrderByDescending(a => a.Value)
-                    .ThenBy(a => a.Key.DateString)
+                        .ThenBy(a => a.Key.DateString)
-                    .ThenBy(a => a.Key.Branch.Name)
+                        .ThenBy(a => a.Key.Branch.Name)
-                    .ThenBy(a => a.Key.Description);
+                        .ThenBy(a => a.Key.Description);
-                var threshold = dict.Select(a => a.Value).Max() * 3 / 4;
+                    var threshold = dict.Max(a => a.Value) * 3 / 4;
-                deliverySchedules = dict
+                    deliverySchedules = [.. dict
-                    .Where(a => a.Value > threshold)
+                        .Where(a => a.Value > threshold)
-                    .Select(a => a.Key)
+                        .Select(a => a.Key)];
-                    .ToList();
+                } else {
-            } else {
+                    deliverySchedules = [.. deliverySchedules
-                deliverySchedules = deliverySchedules
+                        .OrderBy(s => s.DateString)
-                    .OrderBy(s => s.DateString)
+                        .ThenBy(s => s.Branch.Name)
-                    .ThenBy(s => s.Branch.Name)
+                        .ThenBy(s => s.Description)];
-                    .ThenBy(s => s.Description)
+                }
-                    .ToList();
+
-            }
+                return deliverySchedules;
+            });
+            if (!cursor) Mouse.OverrideCursor = null;
+            if (query != ((ViewModel.SearchQuery, ViewModel.FilterSeason, ViewModel.FilterOnlyUpcoming))) return;
 
             ControlUtils.RenewItemsSource(DeliveryScheduleList, deliverySchedules,
                 DeliveryScheduleList_SelectionChanged, ViewModel.TextFilter.Count > 0 ? ControlUtils.RenewSourceDefault.IfOnly : ControlUtils.RenewSourceDefault.None, !updateSort);
@@ -99,14 +101,14 @@ namespace Elwig.Windows {
         protected override async Task OnRenewContext(AppDbContext ctx) {
             await base.OnRenewContext(ctx);
 
-            ControlUtils.RenewItemsSource(BranchInput, await ctx.Branches.OrderBy(b => b.Name).ToListAsync());
+            ControlUtils.RenewItemsSource(BranchInput, await ctx.FetchBranches().ToListAsync());
-            var varieties = await ctx.WineVarieties.OrderBy(v => v.Name).ToListAsync();
+            var varieties = await ctx.FetchWineVarieties().ToListAsync();
             ControlUtils.RenewItemsSource(MainWineVarietiesInput, varieties);
             ControlUtils.RenewItemsSource(OtherWineVarietiesInput, varieties);
-            var attrList = await ctx.WineAttributes.OrderBy(a => a.Name).Cast<object>().ToListAsync();
+            var attrList = await ctx.FetchWineAttributes().Cast<object>().ToListAsync();
             attrList.Insert(0, new NullItem("- Keine Angabe -"));
             ControlUtils.RenewItemsSource(AttributeInput, attrList, null, ControlUtils.RenewSourceDefault.First);
-            var cultList = await ctx.WineCultivations.OrderBy(a => a.Name).Cast<object>().ToListAsync();
+            var cultList = await ctx.FetchWineCultivations().Cast<object>().ToListAsync();
             cultList.Insert(0, new NullItem("- Kein Angabe -"));
             ControlUtils.RenewItemsSource(CultivationInput, cultList, null, ControlUtils.RenewSourceDefault.First);
 
@@ -118,15 +120,17 @@ namespace Elwig.Windows {
         }
 
         private async void OnlyUpcomingInput_Changed(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             await RefreshList();
         }
 
         private async void SearchInput_TextChanged(object sender, TextChangedEventArgs evt) {
+            if (!HasContextLoaded) return;
             await RefreshList(true);
         }
 
         private async void SeasonInput_TextChanged(object sender, TextChangedEventArgs evt) {
-            if (ViewModel.FilterSeason == null) return;
+            if (!HasContextLoaded || ViewModel.FilterSeason == null) return;
             ViewModel.FilterOnlyUpcoming = false;
             await RefreshList();
         }
@@ -225,8 +229,7 @@ namespace Elwig.Windows {
             LockInputs();
             ViewModel.EnableSearchInputs = true;
             FinishInputFilling();
-            await RefreshList();
+            await EnsureContextRenewed();
-            RefreshInputs();
             ViewModel.SearchQuery = "";
         }
 

Elwig/Windows/MailWindow.xaml.cs

@@ -107,7 +107,7 @@ namespace Elwig.Windows {
         public MailWindow(int? year = null) {
             InitializeComponent();
             using (var ctx = new AppDbContext()) {
-                Year = year ?? ctx.Seasons.OrderBy(s => s.Year).LastOrDefault()?.Year ?? Utils.Today.Year;
+                Year = year ?? ctx.Seasons.OrderByDescending(s => s.Year).FirstOrDefault()?.Year ?? Utils.Today.Year;
                 Title = $"Rundschreiben - Lese {Year} - Elwig";
             }
 
@@ -155,7 +155,7 @@ namespace Elwig.Windows {
         }
 
         protected override async Task OnRenewContext(AppDbContext ctx) {
-            var season = await ctx.Seasons.FindAsync(Year);
+            var season = await ctx.Seasons.Include(s => s.PaymentVariants).Where(s => s.Year == Year).SingleOrDefaultAsync();
             var l = new List<string> {
                 MemberDataSheet.Name
             };
@@ -165,10 +165,7 @@ namespace Elwig.Windows {
             }
             AvaiableDocumentsList.ItemsSource = l;
 
-            ControlUtils.RenewItemsSource(MemberBranchInput, await ctx.Branches
+            ControlUtils.RenewItemsSource(MemberBranchInput, await ctx.FetchBranches(includeWithoutMembers: false).ToListAsync(), MemberInput_SelectionChanged);
-                .Where(b => b.Members.Count != 0)
-                .OrderBy(b => b.Name)
-                .ToListAsync(), MemberInput_SelectionChanged);
             if (MemberBranchInput.SelectedItems.Count == 0) {
                 MemberBranchInput.SelectionChanged -= MemberInput_SelectionChanged;
                 MemberBranchInput.SelectAll();
@@ -207,13 +204,8 @@ namespace Elwig.Windows {
                 .OrderBy(m => m.Name)
                 .ThenBy(m => m.GivenName)
                 .Include(m => m.Branch)
-                .Include(m => m.DefaultWbKg!.AtKg)
                 .Include(m => m.EmailAddresses)
                 .Include(m => m.TelephoneNumbers)
-                .Include(m => m.PostalDest.AtPlz!.Ort)
-                .Include(m => m.PostalDest.AtPlz!.Country)
-                .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
-                .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Country)
                 .ToListAsync(), MemberInput_SelectionChanged);
             if (MemberCustomInput.SelectedItems.Count == 0) {
                 MemberCustomInput.SelectionChanged -= MemberInput_SelectionChanged;
@@ -373,7 +365,7 @@ namespace Elwig.Windows {
                 RecipientsDeliveryMembersInput.IsChecked = true;
             } else if (idx >= 2) {
                 var name = s.Split(" – ")[^1];
-                var pv = await ctx.PaymentVariants.SingleAsync(v => v.Year == Year && v.Name == name)!;
+                var pv = await ctx.PaymentVariants.Where(v => v.Year == Year && v.Name == name).SingleAsync();
                 SelectedDocs.Add(new(DocType.CreditNote, s, (pv.Year, pv.AvNr)));
                 RecipientsCreditMembersInput.IsChecked = true;
             }
@@ -492,13 +484,8 @@ namespace Elwig.Windows {
                 }
                 Recipients = await query
                     .Include(m => m.Branch)
-                    .Include(m => m.DefaultWbKg!.AtKg)
                     .Include(m => m.EmailAddresses)
                     .Include(m => m.TelephoneNumbers)
-                    .Include(m => m.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.PostalDest.AtPlz!.Country)
-                    .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Country)
                     .ToListAsync();
             }
             UpdatePostalEmailRecipients();
@@ -615,12 +602,16 @@ namespace Elwig.Windows {
         }
 
         private void DisposeDocs() {
-            PrintDocument?.Dispose();
+            try {
-            PrintDocument = null;
+                PrintDocument?.Dispose();
+                PrintDocument = null;
+            } catch { }
             if (EmailDocuments != null) {
                 foreach (var (m, docs) in EmailDocuments) {
                     foreach (var d in docs) {
-                        d.Dispose();
+                        try {
+                            d.Dispose();
+                        } catch { }
                     }
                 }
                 EmailDocuments = null;
@@ -699,7 +690,7 @@ namespace Elwig.Windows {
                 PrintButton.IsEnabled = PrintDocument != null && !hasPreviewDocs;
                 EmailButton.IsEnabled = EmailDocuments != null && !hasPreviewDocs && App.Config.Smtp != null;
             } catch (Exception exc) {
-                MessageBox.Show(exc.ToString(), "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
             } finally {
                 UnlockInputs();
                 GenerateButton.IsEnabled = true;
@@ -721,7 +712,7 @@ namespace Elwig.Windows {
             foreach (var doc in docs) {
                 if (doc.Type == DocType.DeliveryConfirmation) {
                     var year = (int)doc.Details!;
-                    var b = new Billing(year);
+                    var b = await Billing.Create(year);
                     await b.FinishSeason();
                     await b.CalculateBuckets();
                     App.HintContextChange();
@@ -751,10 +742,13 @@ namespace Elwig.Windows {
                 Member = m,
                 Docs = docs.SelectMany<SelectedDoc, GeneratedDoc>(doc => {
                     try {
+                        App.MainDispatcher.Invoke(() => {
+                            ProgressBar.Value = offset + 100.0 * i / 2 / totalNum;
+                        });
                         if (doc.Type == DocType.Custom) {
                             return [new GeneratedDoc((string)doc.Details!)];
                         } else if (doc.Type == DocType.MemberDataSheet) {
-                            return [new GeneratedDoc(new MemberDataSheet(m, ctx) { Date = postalDate })];
+                            return [new GeneratedDoc(new MemberDataSheet(m) { Date = postalDate })];
                         } else if (doc.Type == DocType.DeliveryConfirmation) {
                             var year = (int)doc.Details!;
                             DeliveryConfirmationDeliveryData data;
@@ -765,21 +759,14 @@ namespace Elwig.Windows {
                             } else {
                                 return [];
                             }
-                            return [new GeneratedDoc(new DeliveryConfirmation(ctx, year, m, data) { Date = postalDate })];
+                            return [new GeneratedDoc(new DeliveryConfirmation(year, m, postalDate, data) { Date = postalDate })];
                         } else if (doc.Type == DocType.CreditNote) {
                             var details = ((int, int))doc.Details!;
                             var year = details.Item1;
                             var avnr = details.Item2;
                             var data = cnData[(year, avnr)];
                             try {
-                                return [new GeneratedDoc(new CreditNote(
+                                return [new GeneratedDoc(new CreditNote(data.Item2[m.MgNr], postalDate, data.Item3, data.Item1[m.MgNr]) { Date = postalDate })];
-                                    ctx, data.Item2[m.MgNr], data.Item1[m.MgNr],
-                                    data.Item3.ConsiderContractPenalties,
-                                    data.Item3.ConsiderTotalPenalty,
-                                    data.Item3.ConsiderAutoBusinessShares,
-                                    data.Item3.ConsiderCustomModifiers,
-                                    ctx.GetMemberUnderDelivery(year, m.MgNr).GetAwaiter().GetResult()
-                                ) { Date = postalDate })];
                             } catch (Exception) {
                                 return [];
                             }
@@ -823,7 +810,7 @@ namespace Elwig.Windows {
             var emailRecipients = email.Select(d => d.Key.MgNr).ToHashSet();
             foreach (var item1 in email.Select((e, i) => new { Index = i, e.Key, e.Value })) {
                 foreach (var item2 in item1.Value.Select((d, i) => new { Index = i, Doc = d })) {
-                    await item2.Doc.Generate(CancelGeneration?.Token, new Progress<double>(v => App.MainDispatcher.Invoke(() => {
+                    await item2.Doc.Generate(ctx, CancelGeneration?.Token, new Progress<double>(v => App.MainDispatcher.Invoke(() => {
                         ProgressBar.Value = offset + v * (item2.Index + 1) / item1.Value.Count / totalNum + 100.0 * item1.Index / totalNum;
                     })));
                 }
@@ -857,7 +844,7 @@ namespace Elwig.Windows {
 
             if (printDocs.Count > 0) {
                 var print = Document.Merge(printDocs);
-                await print.Generate(CancelGeneration?.Token, new Progress<double>(v => App.MainDispatcher.Invoke(() => {
+                await print.Generate(ctx, CancelGeneration?.Token, new Progress<double>(v => App.MainDispatcher.Invoke(() => {
                     ProgressBar.Value = offset + v * printNum / totalNum;
                 })));
                 PrintDocument = print;
@@ -1010,7 +997,7 @@ namespace Elwig.Windows {
                 return;
             var name = s.Split(" – ")[^1];
             using var ctx = new AppDbContext();
-            var pv = ctx.PaymentVariants.Single(v => v.Year == Year && v.Name == name)!;
+            var pv = ctx.PaymentVariants.Where(v => v.Year == Year && v.Name == name).Single();
             SelectedDocs.Add(new(DocType.CreditNote, s, (pv.Year, pv.AvNr)));
             SelectedDocumentsList.SelectedIndex = SelectedDocs.Count - 1;
             RecipientsCreditMembersInput.IsChecked = true;

Elwig/Windows/MainWindow.xaml

@@ -5,7 +5,7 @@
         xmlns:local="clr-namespace:Elwig.Windows"
         xmlns:ctrl="clr-namespace:Elwig.Controls"
         Title="Elwig" Height="390" Width="520" ResizeMode="CanMinimize"
-        Loaded="Window_Loaded" Closing="Window_Closing">
+        Closing="Window_Closing">
     <Window.Resources>
         <Style TargetType="Button">
             <Setter Property="VerticalAlignment" Value="Top"/>

Elwig/Windows/MainWindow.xaml.cs

@@ -37,11 +37,11 @@ namespace Elwig.Windows {
             SyncButton.Visibility = App.Config.SyncUrl != null ? Visibility.Visible : Visibility.Hidden;
             Menu_Database_Upload.IsEnabled = App.Config.SyncUrl != null;
             Menu_Database_Download.IsEnabled = App.Config.SyncUrl != null;
+            SeasonInput.Value = Utils.CurrentLastSeason;
         }
 
-        private void Window_Loaded(object sender, RoutedEventArgs evt) {
+        protected override async Task OnInit(AppDbContext ctx) {
-            SeasonInput.Value = Utils.CurrentLastSeason;
+            await base.OnInit(ctx);
-
             if (Utils.HasInternetConnectivity()) {
                 CheckSync(200);
             }
@@ -405,7 +405,7 @@ namespace Elwig.Windows {
         private async void SeasonInput_TextChanged(object? sender, TextChangedEventArgs? evt) {
             using var ctx = new AppDbContext();
             var year = SeasonInput.Value;
-            var s0 = await ctx.Seasons.FindAsync(year);
+            var s0 = await ctx.FetchSeasons(year).SingleOrDefaultAsync();
             var valid = (s0 != null);
             DeliveryConfirmationButton.IsEnabled = valid;
             PaymentButton.IsEnabled = valid;
@@ -469,7 +469,7 @@ namespace Elwig.Windows {
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
                 try {
-                    var b = new Billing(year);
+                    var b = await Billing.Create(year);
                     await b.FinishSeason();
                     await b.CalculateBuckets();
                     App.HintContextChange();
@@ -502,7 +502,7 @@ namespace Elwig.Windows {
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
                 try {
-                    var b = new Billing(year);
+                    var b = await Billing.Create(year);
                     await b.FinishSeason();
                     await b.CalculateBuckets();
                     App.HintContextChange();
@@ -511,7 +511,7 @@ namespace Elwig.Windows {
                     using var ods = new OdsFile(d.FileName);
                     var tblTotal = await WeightBreakdownData.ForSeason(ctx.WeightBreakDownRows, year);
                     await ods.AddTable(tblTotal);
-                    foreach (var branch in await ctx.Branches.OrderBy(b => b.Name).ToListAsync()) {
+                    foreach (var branch in await ctx.FetchBranches().ToListAsync()) {
                         var tbl = await WeightBreakdownData.ForSeason(ctx.WeightBreakDownRows, year, branch);
                         await ods.AddTable(tbl);
                     }
@@ -537,7 +537,7 @@ namespace Elwig.Windows {
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
                 try {
-                    var b = new Billing(year);
+                    var b = await Billing.Create(year);
                     await b.FinishSeason();
                     await b.CalculateBuckets();
                     App.HintContextChange();
@@ -568,7 +568,7 @@ namespace Elwig.Windows {
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
                 try {
-                    var b = new Billing(year);
+                    var b = await Billing.Create(year);
                     await b.FinishSeason();
                     await b.CalculateBuckets();
                     App.HintContextChange();

Elwig/Windows/MemberAdminWindow.xaml

@@ -5,8 +5,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:local="clr-namespace:Elwig.Windows"
         xmlns:vm="clr-namespace:Elwig.ViewModels"
-        Title="Mitglieder - Elwig" Height="700" Width="1250" MinHeight="650" MinWidth="1150"
+        Title="Mitglieder - Elwig" Height="700" Width="1250" MinHeight="650" MinWidth="1150">
-        Loaded="Window_Loaded">
     <Window.DataContext>
         <vm:MemberAdminViewModel/>
     </Window.DataContext>

Elwig/Windows/MemberAdminWindow.xaml.cs

@@ -82,12 +82,9 @@ namespace Elwig.Windows {
 
             Menu_Export_UploadFilters.IsEnabled = App.Config.SyncUrl != null;
             Menu_Export_UploadAll.IsEnabled = App.Config.SyncUrl != null;
-        }
-
-        private void Window_Loaded(object sender, RoutedEventArgs evt) {
             ViewModel.ShowOnlyActiveMembers = true;
+
             UpdateContactInfoVisibility();
-            LockInputs();
         }
 
         public void FocusMember(int mgnr) {
@@ -113,46 +110,52 @@ namespace Elwig.Windows {
         }
 
         private async Task RefreshList(bool updateSort = false) {
-            using var ctx = new AppDbContext();
+            var vm = ViewModel;
-            var (_, memberQuery, filter) = await ViewModel.GetFilters(ctx);
+            var cursor = Mouse.OverrideCursor != null;
-            var members = await memberQuery
+            if (!cursor) Mouse.OverrideCursor = Cursors.Wait;
-                .Include(m => m.Branch)
+            var query = (vm.SearchQuery, vm.ShowOnlyActiveMembers);
-                .Include(m => m.DefaultWbKg!.AtKg)
+            var (members, totalMemberCount, totalBusinessShares) = await Task.Run(async () => {
-                .Include(m => m.EmailAddresses)
+                using var ctx = new AppDbContext();
-                .Include(m => m.TelephoneNumbers)
+                var (_, memberQuery, filter) = await vm.GetFilters(ctx);
-                .Include(m => m.PostalDest.AtPlz!.Ort)
+                var members = await memberQuery
-                .Include(m => m.PostalDest.AtPlz!.Country)
+                    .Include(m => m.EmailAddresses)
-                .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
+                    .Include(m => m.TelephoneNumbers)
-                .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Country)
+                    .AsSplitQuery()
-                .ToListAsync();
+                    .ToListAsync();
 
-            if (filter.Count > 0 && members.Count > 0) {
+                if (filter.Count > 0 && members.Count > 0) {
-                var dict = members.AsParallel()
+                    var dict = members.AsParallel()
-                    .ToDictionary(m => m, m => m.SearchScore(filter))
+                        .ToDictionary(m => m, m => m.SearchScore(filter))
-                    .OrderByDescending(a => a.Value)
+                        .OrderByDescending(a => a.Value)
-                    .ThenBy(a => a.Key.Name)
+                        .ThenBy(a => a.Key.Name)
-                    .ThenBy(a => a.Key.GivenName)
+                        .ThenBy(a => a.Key.GivenName)
-                    .ThenBy(a => a.Key.MgNr);
+                        .ThenBy(a => a.Key.MgNr);
-                var threshold = dict.Select(a => a.Value).Max() * 3 / 4;
+                    var threshold = dict.Select(a => a.Value).Max() * 3 / 4;
-                members = dict
+                    members = [.. dict
-                    .Where(a => a.Value > threshold)
+                        .Where(a => a.Value > threshold)
-                    .Select(a => a.Key)
+                        .Select(a => a.Key)];
-                    .ToList();
+                } else {
-            } else {
+                    members = [.. members
-                members = members
+                        .OrderBy(m => m.Name)
-                    .OrderBy(m => m.Name)
+                        .ThenBy(m => m.GivenName)
-                    .ThenBy(m => m.GivenName)
+                        .ThenBy(m => m.MgNr)];
-                    .ThenBy(m => m.MgNr)
+                }
-                    .ToList();
+
-            }
+                var totalMemberCount = await ctx.Members.CountAsync();
+                var totalBusinessShares = await ctx.Members.SumAsync(m => m.BusinessShares);
+
+                return (members, totalMemberCount, totalBusinessShares);
+            });
+            if (!cursor) Mouse.OverrideCursor = null;
+            if (query != (ViewModel.SearchQuery, ViewModel.ShowOnlyActiveMembers)) return;
 
             ControlUtils.RenewItemsSource(MemberList, members,
                 MemberList_SelectionChanged, ViewModel.TextFilter.Count > 0 ? ControlUtils.RenewSourceDefault.IfOnly : ControlUtils.RenewSourceDefault.None, !updateSort);
             if (updateSort && MemberList.SelectedItem != null)
                 MemberList.ScrollIntoView(MemberList.SelectedItem);
 
-            ViewModel.StatusMembers = $"{members.Count:N0} ({await ctx.Members.CountAsync():N0})";
+            ViewModel.StatusMembers = $"{members.Count:N0} ({totalMemberCount:N0})";
-            ViewModel.StatusBusinessShares = $"{members.Sum(m => m.BusinessShares):N0} ({await ctx.Members.SumAsync(m => m.BusinessShares):N0})";
+            ViewModel.StatusBusinessShares = $"{members.Sum(m => m.BusinessShares):N0} ({totalBusinessShares:N0})";
         }
 
         private void RefreshInputs(bool validate = false) {
@@ -184,12 +187,12 @@ namespace Elwig.Windows {
 
         protected override async Task OnRenewContext(AppDbContext ctx) {
             await base.OnRenewContext(ctx);
-            ControlUtils.RenewItemsSource(BranchInput, await ctx.Branches.OrderBy(b => b.Name).ToListAsync());
+            ControlUtils.RenewItemsSource(BranchInput, await ctx.FetchBranches().ToListAsync());
             ControlUtils.RenewItemsSource(DefaultKgInput, await ctx.WbKgs.Select(k => k.AtKg).OrderBy(k => k.Name).ToListAsync());
 
             var font = new System.Windows.Media.FontFamily("Segoe MDL2 Assets");
             MenuItem? temp = null;
-            var seasons = await ctx.Seasons.OrderByDescending(s => s.Year).ToListAsync();
+            var seasons = await ctx.Seasons.Include(s => s.PaymentVariants).OrderByDescending(s => s.Year).ToListAsync();
             Menu_DeliveryConfirmation.Items.Clear();
             foreach (var s in seasons) {
                 var i = new MenuItem {
@@ -328,6 +331,7 @@ namespace Elwig.Windows {
         }
 
         private async void ActiveMemberInput_Changed(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             await RefreshList();
         }
 
@@ -384,10 +388,9 @@ namespace Elwig.Windows {
 
             int areaComs = 0, deliveries = 0, credits = 0;
             using (var ctx = new AppDbContext()) {
-                var l = (await ctx.Members.FindAsync(m.MgNr))!;
+                areaComs = await ctx.AreaCommitments.Where(c => c.MgNr == m.MgNr).CountAsync();
-                areaComs = l.AreaCommitments.Count;
+                deliveries = await ctx.Deliveries.Where(d => d.MgNr == m.MgNr).CountAsync();
-                deliveries = l.Deliveries.Count;
+                credits = await ctx.Credits.Where(c => c.MgNr == m.MgNr).CountAsync();
-                credits = l.Credits.Count;
             }
             var d = new DeleteMemberDialog(m.MgNr, m.AdministrativeName, areaComs, deliveries, credits);
             if (d.ShowDialog() == true) {
@@ -436,8 +439,7 @@ namespace Elwig.Windows {
             UpdateContactInfoVisibility();
             ViewModel.EnableSearchInputs = true;
             FinishInputFilling();
-            await RefreshList();
+            await EnsureContextRenewed();
-            RefreshInputs();
             ViewModel.SearchQuery = "";
             Mouse.OverrideCursor = null;
             if (mgnr is int m)
@@ -485,6 +487,7 @@ namespace Elwig.Windows {
         }
 
         private async void SearchInput_TextChanged(object sender, RoutedEventArgs evt) {
+            if (!HasContextLoaded) return;
             await RefreshList(true);
         }
 
@@ -499,7 +502,9 @@ namespace Elwig.Windows {
             try {
                 await Task.Run(async () => {
                     using var doc = new Letterhead(m);
-                    await doc.Generate();
+                    using (var ctx = new AppDbContext()) {
+                        await doc.Generate(ctx);
+                    }
                     if (!App.Config.Debug) {
                         await doc.Print();
                     } else {
@@ -788,7 +793,7 @@ namespace Elwig.Windows {
                 if (areaComs.Count == 0)
                     return;
 
-                var oldMember = (await ctx.Members.FindAsync(mgnr))!;
+                var oldMember = await ctx.FetchMembers(mgnr).SingleAsync();
                 var newName = $"{ViewModel.Name?.Replace('ß', 'ẞ').ToUpper()} " +
                     $"{ViewModel.Prefix}{(!string.IsNullOrEmpty(ViewModel.Prefix) ? " " : "")}" +
                     $"{ViewModel.GivenName}{(!string.IsNullOrEmpty(ViewModel.GivenName) ? " " : "")}" +
@@ -797,7 +802,6 @@ namespace Elwig.Windows {
                 if (d.ShowDialog() != true)
                     return;
                 ViewModel.TransferPredecessorAreaComs = d.SuccessorSeason;
-                ViewModel.MaintainAreaComYearFrom = d.MaintainYearFrom;
                 if (IsEditing)
                     SetOriginalValue(PredecessorMgNrInput, -1);  // hack to allow user to save
                 UpdateButtons();

Elwig/Windows/OriginHierarchyWindow.xaml.cs

@@ -21,12 +21,11 @@ namespace Elwig.Windows {
         }
 
         protected override async Task OnRenewContext(AppDbContext ctx) {
-            var origins = (await ctx.WineOrigins
+            var origins = await ctx.WineOrigins
-                    .Include("Gems.AtGem.Kgs.WbKg.Gl")
+                .Include(o => o.Gems).ThenInclude(g => g.AtGem.Kgs).ThenInclude(k => k.WbKg!.Gl)
-                    .AsSplitQuery()
+                .ToListAsync();
-                    .ToListAsync())
+            origins.ForEach(o => { origins.FirstOrDefault(p => p.HkId == o.ParentHkId)?.Children.Add(o); });
-                    .OrderByDescending(o => o.SortKey)
+            origins = [.. origins.OrderByDescending(o => o.SortKey).ThenBy(o => o.HkId)];
-                    .ThenBy(o => o.HkId);
             ControlUtils.RenewItemsSource(WineOrigins, origins, WineOrigins_SelectionChanged);
             if (WineOrigins.SelectedItem == null) {
                 var hkid = await ctx.WbKgs
@@ -39,8 +38,7 @@ namespace Elwig.Windows {
             }
             var gls = await ctx.WbGls
                 .OrderBy(g => g.GlNr)
-                .Include("Kgs.Rds")
+                .Include(g => g.Kgs).ThenInclude(k => k.Rds)
-                .AsSplitQuery()
                 .ToListAsync();
             ControlUtils.RenewItemsSource(WbGls, gls, WbGls_SelectionChanged, ControlUtils.RenewSourceDefault.First);
             UpdateWbGems();
@@ -100,8 +98,8 @@ namespace Elwig.Windows {
                 var allMembers = await ctx.Members.Where(m => m.DefaultKgNr == k.KgNr).CountAsync();
                 StatusDefaultKgs.Text += $"{activeMembers:N0} ({allMembers:N0})";
                 var year = Utils.CurrentNextSeason;
-                var activeAreaComs = await Utils.ActiveAreaCommitments(ctx.AreaCommitments.Where(c => c.KgNr == k.KgNr), year).CountAsync();
+                var activeAreaComs = await Utils.ActiveAreaCommitments(ctx.AreaCommitments.Where(c => c.Contract.KgNr == k.KgNr), year).CountAsync();
-                var allAreaComs = await ctx.AreaCommitments.Where(c => c.KgNr == k.KgNr).CountAsync();
+                var allAreaComs = await ctx.AreaCommitments.Where(c => c.Contract.KgNr == k.KgNr).CountAsync();
                 StatusAreaCommitments.Text += $"{activeAreaComs:N0} ({allAreaComs:N0})";
                 var deliveryParts = await ctx.DeliveryParts.Where(p => p.KgNr == k.KgNr).CountAsync();
                 var deliveries = await ctx.Deliveries.Where(d => d.Parts.Any(p => p.KgNr == k.KgNr)).CountAsync();
@@ -214,7 +212,7 @@ namespace Elwig.Windows {
                 App.HintContextChange();
                 ControlUtils.SelectItemWithPk(WbKgs, k.KgNr);
             } catch (Exception exc) {
-                await HintContextChange();
+                await ForceContextReload();
                 var str = "Der Eintrag konnte nicht aus der Datenbank gelöscht werden!\n\n" + exc.Message;
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Katastralgemeinde deaktivieren", MessageBoxButton.OK, MessageBoxImage.Error);

Elwig/Windows/PaymentAdjustmentWindow.xaml.cs

@@ -40,7 +40,7 @@ namespace Elwig.Windows {
         }
 
         protected override async Task OnRenewContext(AppDbContext ctx) {
-            var members = await ctx.Members
+            var members = await ctx.FetchMembers(includeNotActive: true)
                 .Select(m => new {
                     m.MgNr,
                     m.Name,
@@ -48,11 +48,8 @@ namespace Elwig.Windows {
                     m.BusinessShares,
                     m.IsActive,
                 })
-                .OrderBy(m => m.Name)
-                .ThenBy(m => m.GivenName)
-                .ThenBy(m => m.MgNr)
                 .ToListAsync();
-            var season = (await ctx.Seasons.FindAsync(Year))!;
+            var season = await ctx.FetchSeasons(Year).SingleAsync();
             var contracts = await ctx.AreaCommitmentTypes.ToDictionaryAsync(t => t.VtrgId, t => t);
 
             var tbl1 = await OverUnderDeliveryData.ForSeason(ctx.OverUnderDeliveryRows, Year);
@@ -145,11 +142,7 @@ namespace Elwig.Windows {
             TotalModifiers.Text = $"{list.Count(r => r.Total != 0)} Mg. / {list.Sum(r => r.Total):N2} {sym}";
             NonDeliveries.Text = $"{list.Count(r => r.Weight == 0):N0}";
 
-            ControlUtils.RenewItemsSource(MemberInput, await ctx.Members
+            ControlUtils.RenewItemsSource(MemberInput, await ctx.FetchMembers(includeNotActive: true).ToListAsync());
-                .OrderBy(m => m.Name)
-                .ThenBy(m => m.GivenName)
-                .ThenBy(m => m.MgNr)
-                .ToListAsync());
             CustomAmountInput.Unit = sym;
         }
 
@@ -170,7 +163,7 @@ namespace Elwig.Windows {
 
                 await Task.Run(async () => {
                     await App.Client.UpdateValues();
-                    var b = new Billing(Year);
+                    var b = await Billing.Create(Year);
                     await b.AutoAdjustBusinessShares(new DateOnly(Year, 11, 30), kg ?? default, bs ?? default, kgPerBs ?? default, percent / 100.0 ?? default, minBs ?? default);
                 });
                 App.HintContextChange();
@@ -186,7 +179,7 @@ namespace Elwig.Windows {
             Mouse.OverrideCursor = Cursors.Wait;
             try {
                 await Task.Run(async () => {
-                    var b = new Billing(Year);
+                    var b = await Billing.Create(Year);
                     await b.UnAdjustBusinessShares();
                 });
                 App.HintContextChange();

Elwig/Windows/PaymentVariantsWindow.xaml.cs

@@ -48,7 +48,6 @@ namespace Elwig.Windows {
             ControlUtils.RenewItemsSource(PaymentVariantList, await ctx.PaymentVariants
                 .Where(v => v.Year == Year)
                 .OrderBy(v => v.AvNr)
-                .Include(v => v.Season.Currency)
                 .ToListAsync());
             if (PaymentVariantList.SelectedItem == null && PaymentVariantList.Items.Count > 0) {
                 PaymentVariantList.SelectedIndex = PaymentVariantList.Items.Count - 1;
@@ -256,13 +255,13 @@ namespace Elwig.Windows {
                 await ViewModel.UpdatePaymentVariant(v.Year, v.AvNr);
                 App.HintContextChange();
             } catch (Exception exc) {
-                await HintContextChange();
+                await ForceContextReload();
                 var str = "Der Eintrag konnte nicht in der Datenbank aktualisiert werden!\n\n" + exc.Message;
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Auszahlungsvariante aktualisieren", MessageBoxButton.OK, MessageBoxImage.Error);
             }
             Mouse.OverrideCursor = null;
-            await HintContextChange();
+            await EnsureContextRenewed();
             CommentInput_TextChanged(null, null);
             DateInput_TextChanged(null, null);
             TransferDateInput_TextChanged(null, null);

Installer/Installer.wixproj

@@ -1,4 +1,4 @@
-<Project Sdk="WixToolset.Sdk/6">
+<Project Sdk="WixToolset.Sdk/7">
   <PropertyGroup>
     <HarvestFileSuppressUniqueIds>false</HarvestFileSuppressUniqueIds>
     <HarvestFileGenerateGuidsNow>true</HarvestFileGenerateGuidsNow>
@@ -11,6 +11,7 @@
     <BuildProjectReferences>False</BuildProjectReferences>
     <OutputName>Elwig</OutputName>
     <Cultures>de-AT</Cultures>
+    <AcceptEula>wix7</AcceptEula>
   </PropertyGroup>
   <UsingTask TaskName="GetFileVersion" TaskFactory="RoslynCodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.Core.dll">
     <ParameterGroup>

README.md

@@ -13,17 +13,17 @@ About
 **Product:** Elwig  
 **Description:** Electronic Management for Vintners' Cooperatives  
 **Type:** ERP system  
-**Version:** 1.0.3.4 ([Changelog](./CHANGELOG.md))  
+**Version:** 1.0.5.0 ([Changelog](./CHANGELOG.md))  
 **License:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
 **Website:** https://elwig.at/  
 **Source code:** https://git.necronda.net/winzer/elwig  
-**Developement period:** 2022–2025
+**Developement period:** 2022–2026
 
 **Technology Stack:**  
 Language: C#  
 Framework: Windows Presentation Framework (WPF)  
 Database: [SQLite](https://sqlite.org/)  
-PDF creation: [WeasyPrint](https://weasyprint.org/), [RazorLight](https://github.com/toddams/RazorLight), [PdfiumViewer](https://github.com/pvginkel/PdfiumViewer)  
+PDF creation: [iText](https://itextpdf.com/), [Pdfium](https://github.com/bblanchon/pdfium-binaries)  
 Packaging: [WiX Toolset](https://www.firegiant.com/wixtoolset/)
 
 
@@ -33,15 +33,15 @@ Packaging: [WiX Toolset](https://www.firegiant.com/wixtoolset/)
 **Produkt:** Elwig  
 **Beschreibung:** Elektronische Winzergenossenschaftsverwaltung  
 **Typ:** Warenwirtschaftssystem (ERP-System)  
-**Version:** 1.0.3.4 ([Änderungsprotokoll](./CHANGELOG.md))  
+**Version:** 1.0.5.0 ([Änderungsprotokoll](./CHANGELOG.md))  
 **Lizenz:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
 **Website:** https://elwig.at/  
 **Quellcode:** https://git.necronda.net/winzer/elwig  
-**Entwicklungszeitraum:** 2022–2025
+**Entwicklungszeitraum:** 2022–2026
 
 **Verwendete Technologien:**  
 Programmiersprache: C#  
 Framework: Windows Presentation Framework (WPF)  
 Datenbank: [SQLite](https://sqlite.org/)  
-PDF-Erstellung: [iText](https://itextpdf.com/), [RazorLight](https://github.com/toddams/RazorLight), [Pdfium](https://github.com/bblanchon/pdfium-binaries)  
+PDF-Erstellung: [iText](https://itextpdf.com/), [Pdfium](https://github.com/bblanchon/pdfium-binaries)  
 Paketierung: [WiX Toolset](https://www.firegiant.com/wixtoolset/)

Setup/Setup.wixproj

@@ -1,8 +1,9 @@
-<Project Sdk="WixToolset.Sdk/6">
+<Project Sdk="WixToolset.Sdk/7">
   <PropertyGroup>
     <OutputType>Bundle</OutputType>
     <OutputName>Elwig</OutputName>
     <Cultures>de-AT</Cultures>
+    <AcceptEula>wix7</AcceptEula>
   </PropertyGroup>
   <Target Name="CustomBeforeBuild" BeforeTargets="BeforeBuild">
     <Exec Command="curl --fail -s -L &quot;https://go.microsoft.com/fwlink/p/?LinkId=2124703&quot; -z &quot;$(ProjectDir)\Files\MicrosoftEdgeWebview2Setup.exe&quot; -o &quot;$(ProjectDir)\Files\MicrosoftEdgeWebview2Setup.exe&quot;" />
@@ -13,7 +14,7 @@
   </Target>
   <ItemGroup>
     <ProjectReference Include="..\Installer\Installer.wixproj" />
-    <PackageReference Include="WixToolset.Bal.wixext" Version="6.0.2" />
+    <PackageReference Include="WixToolset.Bal.wixext" Version="7.0.0" />
-    <PackageReference Include="WixToolset.Util.wixext" Version="6.0.2" />
+    <PackageReference Include="WixToolset.Util.wixext" Version="7.0.0" />
   </ItemGroup>
 </Project>

Tests/DatabaseSetup.cs

@@ -2,6 +2,7 @@ using Elwig;
 using Elwig.Helpers;
 using Elwig.Helpers.Billing;
 using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
 using System.Reflection;
 
 namespace Tests {
@@ -22,7 +23,7 @@ namespace Tests {
         public void Setup_2_Client() {
             using var ctx = new AppDbContext();
             App.Client = new ClientParameters(ctx);
-            App.SetBranch(ctx.Branches.Single());
+            App.SetBranch(ctx.Branches.Include(b => b.PostalDest).Single());
         }
 
         [OneTimeSetUp]

Tests/E2ETests/MemberAdminWindowTest.cs

@@ -80,6 +80,7 @@ namespace Tests.E2ETests {
 
             Window.FindElement(By.WpfId("SaveButton")).Click();
 
+            Thread.Sleep(500);
             Window.FindElement(By.WpfId("SearchInput")).SendKeys("9999");
             Thread.Sleep(500);
             var memberListRow = Window.FindElement(By.WpfId("MemberList")).FindElement(By.ClassName("DataGridRow"));

Tests/Resources/Sql/BillingDelete.sql

@@ -3,7 +3,7 @@
 DELETE FROM credit;
 DELETE FROM payment_variant;
 DELETE FROM delivery;
-DELETE FROM area_commitment;
+DELETE FROM area_commitment_contract;
 DELETE FROM area_commitment_type;
 DELETE FROM season;
 DELETE FROM wine_attribute;

Tests/Resources/Sql/BillingInsert.sql

@@ -22,10 +22,15 @@ INSERT INTO area_commitment_type (vtrgid, sortid, attrid, disc, min_kg_per_ha, p
 ('GVQ', 'GV', 'Q',  NULL, 5000, 1000, 1000000, NULL),
 ('GVR', 'GV', 'R',  NULL, 5000, 1000, 1000000, NULL);
 
-INSERT INTO area_commitment (fbnr, mgnr, vtrgid, cultid, area, kgnr, gstnr, rdnr, year_from, year_to) VALUES
+INSERT INTO area_commitment_contract (fbnr, kgnr, rdnr) VALUES
-( 1, 101, 'GV', 'KIP', 10000, 06109, '123/4', NULL, 2000, 2019),
+( 1, 06109, NULL),
-( 2, 101, 'GV', 'KIP', 10000, 06109, '123/5', NULL, 2025, 2030),
+( 2, 06109, NULL),
-( 3, 101, 'GV', 'KIP', 10000, 06109, '123/6', NULL, 2021, 2031);
+( 3, 06109, NULL);
+
+INSERT INTO area_commitment (fbnr, revnr, mgnr, vtrgid, cultid, area, gstnr, year_from, year_to) VALUES
+( 1, 1, 101, 'GV', 'KIP', 10000, '123/4', 2000, 2019),
+( 2, 1, 101, 'GV', 'KIP', 10000, '123/5', 2025, 2030),
+( 3, 1, 101, 'GV', 'KIP', 10000, '123/6', 2021, 2031);
 
 INSERT INTO season (year, currency, min_kg_per_bs, max_kg_per_bs, penalty_per_kg, penalty_amount, penalty_none, start_date, end_date) VALUES
 (2020, 'EUR', 1000, 2000, NULL, NULL, NULL, NULL, NULL),

Tests/Resources/Sql/DocumentInsert.sql

@@ -64,6 +64,10 @@ INSERT INTO delivery_part (year, did, dpnr, sortid, attrid, cultid, weight, kmw,
 (2020, 12, 1, 'BP', NULL, NULL,  2410, 18.0, 'KAB', 'WLNO', 15224, TRUE, FALSE, FALSE, NULL, NULL, NULL),
 (2020, 12, 2, 'BP', NULL, NULL,  2313, 18.1, 'KAB', 'WLNO', 15224, TRUE, FALSE, FALSE, NULL, NULL, NULL);
 
+INSERT INTO delivery_part_modifier (year, did, dpnr, modid) VALUES
+(2020, 2, 1, 'S'),
+(2020, 2, 2, 'A');
+
 INSERT INTO delivery_part_bucket (year, did, dpnr, bktnr, discr, value) VALUES
 (2020, 1, 1, 0, '_', 3219),
 (2020, 3, 1, 0, '_', 2561),

Tests/Resources/Sql/ServiceDelete.sql

@@ -4,7 +4,7 @@ DELETE FROM credit;
 DELETE FROM payment_variant;
 DELETE FROM delivery;
 DELETE FROM season;
-DELETE FROM area_commitment;
+DELETE FROM area_commitment_contract;
 DELETE FROM area_commitment_type;
 DELETE FROM member WHERE mgnr >= 200;
 DELETE FROM wine_cultivation;

Tests/Resources/Sql/ServiceInsert.sql

@@ -29,11 +29,17 @@ INSERT INTO member_email_address (mgnr, nr, address, comment) VALUES
 INSERT INTO area_commitment_type (vtrgid, sortid, attrid, disc, min_kg_per_ha, penalty_per_kg, penalty_amount, penalty_none) VALUES
 ('GV', 'GV', NULL, NULL, 5000,  500,    NULL, NULL);
 
-INSERT INTO area_commitment (fbnr, mgnr, vtrgid, cultid, area, kgnr, gstnr, rdnr, year_from, year_to) VALUES
+INSERT INTO area_commitment_contract (fbnr, kgnr, rdnr) VALUES
-( 1, 203, 'GV', NULL, 10000, 15224, '321/9', NULL, NULL, NULL),
+( 1, 15224, NULL),
-( 2, 204, 'GV', NULL, 10000, 15224, '123/1', NULL, 2000, 2019),
+( 2, 15224, NULL),
-( 3, 204, 'GV', NULL, 10000, 15224, '123/2', NULL, 2025, 2030),
+( 3, 15224, NULL),
-( 4, 204, 'GV', NULL, 10000, 15224, '123/3', NULL, 2021, 2031);
+( 4, 15224, NULL);
+
+INSERT INTO area_commitment (fbnr, revnr, mgnr, vtrgid, cultid, area, gstnr, year_from, year_to) VALUES
+( 1, 1, 203, 'GV', NULL, 10000, '321/9', NULL, NULL),
+( 2, 1, 204, 'GV', NULL, 10000, '123/1', 2000, 2019),
+( 3, 1, 204, 'GV', NULL, 10000, '123/2', 2025, 2030),
+( 4, 1, 204, 'GV', NULL, 10000, '123/3', 2021, 2031);
 
 
 INSERT INTO season (year, currency, min_kg_per_bs, max_kg_per_bs, penalty_per_kg, penalty_amount, penalty_none, start_date, end_date) VALUES

Tests/Tests.csproj

@@ -19,16 +19,16 @@
   </Target>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageReference Include="Appium.WebDriver" Version="4.4.5" />
     <PackageReference Include="NReco.PdfRenderer" Version="1.6.0" />
     <PackageReference Include="NUnit" Version="4.5.1" />
-    <PackageReference Include="NUnit3TestAdapter" Version="6.1.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
     <PackageReference Include="NUnit.Analyzers" Version="4.12.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="8.0.0">
+    <PackageReference Include="coverlet.collector" Version="8.0.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

Tests/UnitTests/DocumentTests/CreditNoteTest.cs

@@ -1,7 +1,4 @@
 using Elwig.Documents;
-using Elwig.Helpers;
-using Elwig.Models.Dtos;
-using Microsoft.EntityFrameworkCore;
 
 namespace Tests.UnitTests.DocumentTests {
     [TestFixture]
@@ -9,12 +6,7 @@ namespace Tests.UnitTests.DocumentTests {
 
         [Test]
         public async Task Test_01_VirtualCreditNote() {
-            using var ctx = new AppDbContext();
+            using var doc = await CreditNote.Initialize(2020, 1, 101, null);
-            var m = await ctx.Members.FindAsync(101);
-            var p = await ctx.MemberPayments.Where(p => p.Year == 2020 && p.AvNr == 1).SingleAsync();
-            var data = await CreditNoteDeliveryData.ForPaymentVariant(ctx.CreditNoteDeliveryRows, ctx.PaymentVariants, 2020, 1);
-            using var doc = new CreditNote(ctx, p, data[m!.MgNr], false, false, false, false,
-                ctx.GetMemberUnderDelivery(2020, m!.MgNr).GetAwaiter().GetResult());
             var text = await Utils.GeneratePdfText(doc);
             Assert.Multiple(() => {
                 Assert.That(text, Contains.Substring("""

Tests/UnitTests/DocumentTests/DeliveryConfirmationTest.cs

@@ -9,9 +9,9 @@ namespace Tests.UnitTests.DocumentTests {
         [Test]
         public async Task Test_01_SimpleDeliveryConfirmation() {
             using var ctx = new AppDbContext();
-            var m = await ctx.Members.FindAsync(101);
+            var m = await ctx.FetchMembers(101).SingleAsync();
             var data = await DeliveryConfirmationDeliveryData.ForMember(ctx.DeliveryParts, 2020, m!);
-            using var doc = new DeliveryConfirmation(ctx, 2020, m!, data);
+            using var doc = new DeliveryConfirmation(2020, m!, null, data);
             var text = await Utils.GeneratePdfText(doc);
             Assert.Multiple(() => {
                 Assert.That(text, Contains.Substring("""

Tests/UnitTests/DocumentTests/DeliveryNoteTest.cs

@@ -1,5 +1,4 @@
 using Elwig.Documents;
-using Elwig.Helpers;
 
 namespace Tests.UnitTests.DocumentTests {
     [TestFixture]
@@ -7,9 +6,7 @@ namespace Tests.UnitTests.DocumentTests {
 
         [Test]
         public async Task Test_01_OneDeliveryPart() {
-            using var ctx = new AppDbContext();
+            using var doc = await DeliveryNote.Initialize(2020, 1);
-            var d = await ctx.Deliveries.FindAsync(2020, 1);
-            using var doc = new DeliveryNote(d!, ctx);
             var text = await Utils.GeneratePdfText(doc);
             Assert.Multiple(() => {
                 Assert.That(text, Contains.Substring("""
@@ -19,7 +16,7 @@ namespace Tests.UnitTests.DocumentTests {
                     """));
                 Assert.That(text, Contains.Substring("0123463"));  // Betriebsnummer
                 Assert.That(text, Contains.Substring("pauschaliert"));
-                Assert.That(text, Contains.Substring($"Wolkersdorf, am {Elwig.Helpers.Utils.Today:dd.MM.yyyy}"));
+                Assert.That(text, Contains.Substring($"Wolkersdorf, am {DateTime.Now:dd.MM.yyyy}"));
                 Assert.That(text, Contains.Substring("Traubenübernahmeschein Nr. 20201001X001"));
                 Assert.That(text, Contains.Substring("Das Mitglied erklärt, dass die gelieferte Ware dem österreichischen Weingesetz entspricht"));
                 Assert.That(text, Contains.Substring("""
@@ -34,9 +31,7 @@ namespace Tests.UnitTests.DocumentTests {
 
         [Test]
         public async Task Test_02_TwoDeliveryParts() {
-            using var ctx = new AppDbContext();
+            using var doc = await DeliveryNote.Initialize(2020, 4);
-            var d = await ctx.Deliveries.FindAsync(2020, 4);
-            using var doc = new DeliveryNote(d!, ctx);
             var text = await Utils.GeneratePdfText(doc);
             Assert.Multiple(() => {
                 Assert.That(text, Contains.Substring("""
@@ -47,7 +42,7 @@ namespace Tests.UnitTests.DocumentTests {
                     """));
                 Assert.That(text, Contains.Substring("0123471"));  // Betriebsnummer
                 Assert.That(text, Contains.Substring("pauschaliert"));
-                Assert.That(text, Contains.Substring($"Wolkersdorf, am {Elwig.Helpers.Utils.Today:dd.MM.yyyy}"));
+                Assert.That(text, Contains.Substring($"Wolkersdorf, am {DateTime.Now:dd.MM.yyyy}"));
                 Assert.That(text, Contains.Substring("Traubenübernahmeschein Nr. 20201001X004"));
                 Assert.That(text, Contains.Substring("Das Mitglied erklärt, dass die gelieferte Ware dem österreichischen Weingesetz entspricht"));
                 Assert.That(text, Contains.Substring("""
@@ -68,9 +63,7 @@ namespace Tests.UnitTests.DocumentTests {
 
         [Test]
         public async Task Test_03_DeliveryPartsWithAttribute() {
-            using var ctx = new AppDbContext();
+            using var doc = await DeliveryNote.Initialize(2020, 3);
-            var d = await ctx.Deliveries.FindAsync(2020, 3);
-            using var doc = new DeliveryNote(d!, ctx);
             var text = await Utils.GeneratePdfText(doc);
             Assert.Multiple(() => {
                 Assert.That(text, Contains.Substring("""
@@ -80,7 +73,7 @@ namespace Tests.UnitTests.DocumentTests {
                     """));
                 Assert.That(text, Contains.Substring("0123463"));  // Betriebsnummer
                 Assert.That(text, Contains.Substring("pauschaliert"));
-                Assert.That(text, Contains.Substring($"Wolkersdorf, am {Elwig.Helpers.Utils.Today:dd.MM.yyyy}"));
+                Assert.That(text, Contains.Substring($"Wolkersdorf, am {DateTime.Now:dd.MM.yyyy}"));
                 Assert.That(text, Contains.Substring("Traubenübernahmeschein Nr. 20201001X003"));
                 Assert.That(text, Contains.Substring("Das Mitglied erklärt, dass die gelieferte Ware dem österreichischen Weingesetz entspricht"));
                 Assert.That(text, Contains.Substring("""
@@ -107,9 +100,7 @@ namespace Tests.UnitTests.DocumentTests {
 
         [Test]
         public async Task Test_04_DeliveryPartsWithCultivation() {
-            using var ctx = new AppDbContext();
+            using var doc = await DeliveryNote.Initialize(2020, 7);
-            var d = await ctx.Deliveries.FindAsync(2020, 7);
-            using var doc = new DeliveryNote(d!, ctx);
             var text = await Utils.GeneratePdfText(doc);
             Assert.Multiple(() => {
                 Assert.That(text, Contains.Substring("""
@@ -119,7 +110,7 @@ namespace Tests.UnitTests.DocumentTests {
                     """));
                 Assert.That(text, Contains.Substring("0123480"));  // Betriebsnummer
                 Assert.That(text, Contains.Substring("pauschaliert"));
-                Assert.That(text, Contains.Substring($"Wolkersdorf, am {Elwig.Helpers.Utils.Today:dd.MM.yyyy}"));
+                Assert.That(text, Contains.Substring($"Wolkersdorf, am {DateTime.Now:dd.MM.yyyy}"));
                 Assert.That(text, Contains.Substring("Traubenübernahmeschein Nr. 20201002X001"));
                 Assert.That(text, Contains.Substring("Das Mitglied erklärt, dass die gelieferte Ware dem österreichischen Weingesetz entspricht"));
                 Assert.That(text, Contains.Substring("""
@@ -139,5 +130,37 @@ namespace Tests.UnitTests.DocumentTests {
                 Assert.That(text, Contains.Substring("Gesamt: 78 15,9 5 332"));
             });
         }
+
+        [Test]
+        public async Task Test_05_DeliveryPartsWithModifier() {
+            using var doc = await DeliveryNote.Initialize(2020, 2);
+            var text = await Utils.GeneratePdfText(doc);
+            Assert.Multiple(() => {
+                Assert.That(text, Contains.Substring("""
+                    W&B Weinbauer GesbR
+                    WEINBAUER Wernhardt
+                    Winzerstraße 2
+                    2223 Hohenruppersdorf
+                    """));
+                Assert.That(text, Contains.Substring("0123471"));  // Betriebsnummer
+                Assert.That(text, Contains.Substring("pauschaliert"));
+                Assert.That(text, Contains.Substring($"Wolkersdorf, am {DateTime.Now:dd.MM.yyyy}"));
+                Assert.That(text, Contains.Substring("Traubenübernahmeschein Nr. 20201001X002"));
+                Assert.That(text, Contains.Substring("Das Mitglied erklärt, dass die gelieferte Ware dem österreichischen Weingesetz entspricht"));
+                Assert.That(text, Contains.Substring("""
+                    1 Grüner Veltliner Kabinett Kabinett 86 17,5 2 987
+                    Herkunft: Österreich / Weinland / Niederösterreich
+                    / Matzner Hügel / Hohenruppersdorf / KG Hohenruppersdorf
+                    Zu-/Abschläge: Geschädigte Trauben −10,00 %
+                    Waage: ?, ID: ? (gerebelt gewogen)
+                    2 Grüner Veltliner Kabinett Kabinett 87 17,7 1 873
+                    Herkunft: Österreich / Weinland / Niederösterreich
+                    / Matzner Hügel / Hohenruppersdorf / KG Hohenruppersdorf
+                    Zu-/Abschläge: Keine Voranmeldung −0,1000 €/kg
+                    Waage: ?, ID: ? (gerebelt gewogen)
+                    Gesamt: 87 17,6 4 860
+                    """));
+            });
+        }
     }
 }

Tests/UnitTests/DocumentTests/LetterheadTest.cs

@@ -8,7 +8,7 @@ namespace Tests.UnitTests.DocumentTests {
         [Test]
         public async Task Test_01_SimpleLetterhead() {
             using var ctx = new AppDbContext();
-            var m = await ctx.Members.FindAsync(104);
+            var m = await ctx.FetchMembers(104).SingleAsync();
             using var doc = new Letterhead(m!);
             var text = await Utils.GeneratePdfText(doc);
             Assert.Multiple(() => {

Tests/UnitTests/DocumentTests/MemberDataSheetTest.cs

@@ -1,5 +1,4 @@
 using Elwig.Documents;
-using Elwig.Helpers;
 
 namespace Tests.UnitTests.DocumentTests {
     [TestFixture]
@@ -7,9 +6,7 @@ namespace Tests.UnitTests.DocumentTests {
 
         [Test]
         public async Task Test_01_SimpleMember() {
-            using var ctx = new AppDbContext();
+            using var doc = await MemberDataSheet.Initialize(104);
-            var m = await ctx.Members.FindAsync(104);
-            using var doc = new MemberDataSheet(m!, ctx);
             var text = await Utils.GeneratePdfText(doc);
             Assert.Multiple(() => {
                 Assert.That(text, Contains.Substring("""

Tests/UnitTests/DocumentTests/PaymentVariantSummaryTest.cs

@@ -1,6 +1,4 @@
 using Elwig.Documents;
-using Elwig.Helpers;
-using Elwig.Models.Dtos;
 
 namespace Tests.UnitTests.DocumentTests {
     [TestFixture]
@@ -8,16 +6,13 @@ namespace Tests.UnitTests.DocumentTests {
 
         [Test]
         public async Task Test_01_PaymentVariant2020() {
-            using var ctx = new AppDbContext();
+            using var doc = await PaymentVariantSummary.Initialize(2020, 1);
-            var v = (await ctx.PaymentVariants.FindAsync(2020, 1))!;
-            var data = await PaymentVariantSummaryData.ForPaymentVariant(v, ctx.PaymentVariantSummaryRows);
-            using var doc = new PaymentVariantSummary(v, data);
             var text = await Utils.GeneratePdfText(doc, true);
             var table = Utils.ExtractTable(text);
             Assert.Multiple(() => {
                 Assert.That(text, Contains.Substring("Auszahlungsvariante"));
-                Assert.That(text, Contains.Substring(v.Name));
+                Assert.That(text, Contains.Substring(doc.Variant.Name));
-                Assert.That(table.Skip(17).ToArray(), Is.EqualTo(new string[][] {
+                Assert.That(table.Skip(19).ToArray(), Is.EqualTo(new string[][] {
                      ["Sorte/Attr./Bewirt.", "Gradation",   "ungebunden",   "attributlos gebunden",    "gebunden",     "Gesamt" ],
                      ["Qualitätsstufe",        "[°Oe]",   "[kg]", "[€/kg]",    "[kg]", "[€/kg]",    "[kg]", "[€/kg]",    "[€]"  ],
                      ["Grüner Veltliner",                "3 219",                 "0",                 "0",           "1 609,50"],

Tests/UnitTests/DocumentTests/Utils.cs

@@ -1,4 +1,5 @@
 using Elwig.Documents;
+using Elwig.Helpers;
 using NReco.PdfRenderer;
 using System.Text.RegularExpressions;
 
@@ -8,7 +9,9 @@ namespace Tests.UnitTests.DocumentTests {
         private static readonly string FileName = Path.Combine(Path.GetTempPath(), "test_document.pdf");
 
         public static async Task<string> GeneratePdfText(Document doc, bool preserveLayout = false) {
-            await doc.Generate();
+            using (var ctx = new AppDbContext()) {
+                await doc.Generate(ctx);
+            }
             try {
                 doc.SaveTo(FileName);
                 var conv = new PdfToTextConverter { CustomArgs = preserveLayout ? "-layout " : "-raw " };

Tests/UnitTests/HelperTests/BillingTest.cs

@@ -135,7 +135,7 @@ namespace Tests.UnitTests.HelperTests {
                 Assert.That(delivery["GVK"], Is.EqualTo( 4_000));
             });
 
-            BillingVariant b = new(year, 1);
+            var b = await BillingVariant.Create(year, 1);
             await b.CalculateBuckets(false, false, false);
             var payment = await GetMemberPaymentBuckets(year, mgnr);
             Assert.Multiple(() => {
@@ -179,7 +179,7 @@ namespace Tests.UnitTests.HelperTests {
                 Assert.That(delivery["GVK"], Is.EqualTo( 4_000));
             });
 
-            BillingVariant b = new(year, 1);
+            var b = await BillingVariant.Create(year, 1);
             await b.CalculateBuckets(false, false, false, Connection);
             var payment = await GetMemberPaymentBuckets(year, mgnr);
             Assert.Multiple(() => {
@@ -225,7 +225,7 @@ namespace Tests.UnitTests.HelperTests {
                 Assert.That(delivery["GVK"], Is.EqualTo( 4_000));
             });
 
-            BillingVariant b = new(year, 1);
+            var b = await BillingVariant.Create(year, 1);
             await b.CalculateBuckets(true, false, false, Connection);
             var payment = await GetMemberPaymentBuckets(year, mgnr);
             Assert.Multiple(() => {

Tests/UnitTests/HelperTests/EbicsTest.cs

@@ -33,7 +33,7 @@ namespace Tests.UnitTests.HelperTests {
                 DateString = "2021-01-31",
             };
             using var ctx = new AppDbContext();
-            var members = ctx.Members.ToList();
+            var members = await ctx.FetchMembers().ToListAsync();
             Assert.That(members, Has.Count.GreaterThan(0));
             using var exporter = new Ebics(v, FileName, version, mode);
             await exporter.ExportAsync(members.Select(m => new Transaction(m, 1234.56m, "EUR", m.MgNr % 100)));

Tests/UnitTests/ServiceTests/DeliveryServiceTest.cs

@@ -10,19 +10,19 @@ namespace Tests.UnitTests.ServiceTests {
 
         private static async Task InitViewModel(DeliveryAdminViewModel vm) {
             using var ctx = new AppDbContext();
-            vm.MemberSource = await ctx.Members.ToListAsync();
+            vm.MemberSource = await ctx.FetchMembers(includeNotActive: true).ToListAsync();
-            vm.BranchSource = await ctx.Branches.ToListAsync();
+            vm.BranchSource = await ctx.FetchBranches().ToListAsync();
-            vm.WineVarSource = await ctx.WineVarieties.ToListAsync();
+            vm.WineVarSource = await ctx.FetchWineVarieties().ToListAsync();
-            List<object> attrs = (await ctx.WineAttributes.ToListAsync()).Cast<object>().ToList();
+            List<object> attrs = await ctx.FetchWineAttributes().Cast<object>().ToListAsync();
             attrs.Insert(0, new NullItem());
             vm.WineAttrSource = attrs;
-            List<object> cults = (await ctx.WineCultivations.ToListAsync()).Cast<object>().ToList();
+            List<object> cults = await ctx.FetchWineCultivations().Cast<object>().ToListAsync();
             cults.Insert(0, new NullItem());
             vm.WineCultSource = cults;
-            vm.WineQualityLevelSource = await ctx.WineQualityLevels.ToListAsync();
+            vm.WineQualityLevelSource = await ctx.FetchWineQualityLevels().ToListAsync();
             vm.WineOriginSource = await ctx.WineOrigins.ToListAsync();
             vm.WineKgSource = await ctx.Katastralgemeinden.ToListAsync();
-            vm.ModifiersSource = await ctx.Modifiers.Where(m => m.Year == 2022).ToListAsync();
+            vm.ModifiersSource = await ctx.FetchModifiers(2022).ToListAsync();
         }
 
         private static async Task<Delivery?> GetDelivery(string lsnr) {
@@ -32,7 +32,6 @@ namespace Tests.UnitTests.ServiceTests {
                 .Include(d => d.Parts)
                 .ThenInclude(p => p.PartModifiers)
                 .ThenInclude(m => m.Modifier)
-                .AsSplitQuery()
                 .FirstOrDefaultAsync();
         }
 

Tests/UnitTests/ServiceTests/MemberServiceTest.cs

@@ -10,10 +10,10 @@ namespace Tests.UnitTests.ServiceTests {
 
         private static async Task InitViewModel(MemberAdminViewModel vm) {
             using var ctx = new AppDbContext();
-            vm.BranchSource = await ctx.Branches.ToListAsync();
+            vm.BranchSource = await ctx.FetchBranches().ToListAsync();
             vm.DefaultKgSource = await ctx.Katastralgemeinden.ToListAsync();
-            vm.OrtSource = await ctx.PlzDestinations.Include(p => p.Ort).ToListAsync();
+            vm.OrtSource = await ctx.PlzDestinations.ToListAsync();
-            vm.BillingOrtSource = await ctx.PlzDestinations.Include(p => p.Ort).ToListAsync();
+            vm.BillingOrtSource = await ctx.PlzDestinations.ToListAsync();
         }
 
         [Test]
@@ -31,22 +31,14 @@ namespace Tests.UnitTests.ServiceTests {
 
             Assert.That(vm.MgNr, Is.EqualTo(205));
             using (var ctx = new AppDbContext()) {
-                Assert.That(await ctx.Members.FindAsync(205), Is.Null);
+                Assert.That(await ctx.FetchMembers(205, includeNotActive: true).SingleOrDefaultAsync(), Is.Null);
             }
 
             Assert.DoesNotThrowAsync(async () => await vm.UpdateMember(null));
 
-            Member? m;
+            Member m;
             using (var ctx = new AppDbContext()) {
-                m = await ctx.Members
+                m = await ctx.FetchMembers(vm.MgNr, includeNotActive: true, includeContactInfo: true).SingleAsync();
-                    .Where(m => m.MgNr == vm.MgNr)
-                    .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.DefaultWbKg!.AtKg)
-                    .Include(m => m.EmailAddresses)
-                    .Include(m => m.TelephoneNumbers)
-                    .AsSplitQuery()
-                    .FirstOrDefaultAsync();
             }
 
             Assert.That(m, Is.Not.Null);
@@ -119,22 +111,14 @@ namespace Tests.UnitTests.ServiceTests {
             vm.IsFunktionär = true;
 
             using (var ctx = new AppDbContext()) {
-                Assert.That(await ctx.Members.FindAsync(999), Is.Null);
+                Assert.That(await ctx.FetchMembers(999, includeNotActive: true).SingleOrDefaultAsync(), Is.Null);
             }
 
             Assert.DoesNotThrowAsync(async () => await vm.UpdateMember(null));
 
-            Member? m;
+            Member m;
             using (var ctx = new AppDbContext()) {
-                m = await ctx.Members
+                m = await ctx.FetchMembers(vm.MgNr, includeNotActive: true, includeContactInfo: true).SingleAsync();
-                    .Where(m => m.MgNr == vm.MgNr)
-                    .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.DefaultWbKg!.AtKg)
-                    .Include(m => m.EmailAddresses)
-                    .Include(m => m.TelephoneNumbers)
-                    .AsSplitQuery()
-                    .FirstOrDefaultAsync();
             }
 
             Assert.That(m, Is.Not.Null);
@@ -234,15 +218,7 @@ namespace Tests.UnitTests.ServiceTests {
             var vm = new MemberAdminViewModel();
             await InitViewModel(vm);
             using (var ctx = new AppDbContext()) {
-                vm.FillInputs(await ctx.Members
+                vm.FillInputs(await ctx.FetchMembers(202, includeNotActive: true, includeContactInfo: true).SingleAsync());
-                    .Where(m => m.MgNr == 202)
-                    .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.DefaultWbKg!.AtKg)
-                    .Include(m => m.EmailAddresses)
-                    .Include(m => m.TelephoneNumbers)
-                    .AsSplitQuery()
-                    .FirstAsync());
             }
 
             Assert.That(vm.IsActive, Is.True);
@@ -253,17 +229,9 @@ namespace Tests.UnitTests.ServiceTests {
 
             Assert.DoesNotThrowAsync(async () => await vm.UpdateMember(202));
 
-            Member? m;
+            Member m;
             using (var ctx = new AppDbContext()) {
-                m = await ctx.Members
+                m = await ctx.FetchMembers(202, includeNotActive: true, includeContactInfo: true).SingleAsync();
-                    .Where(m => m.MgNr == 202)
-                    .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.DefaultWbKg!.AtKg)
-                    .Include(m => m.EmailAddresses)
-                    .Include(m => m.TelephoneNumbers)
-                    .AsSplitQuery()
-                    .FirstOrDefaultAsync();
             }
 
             Assert.That(m, Is.Not.Null);
@@ -286,15 +254,7 @@ namespace Tests.UnitTests.ServiceTests {
             var vm = new MemberAdminViewModel();
             await InitViewModel(vm);
             using (var ctx = new AppDbContext()) {
-                vm.FillInputs(await ctx.Members
+                vm.FillInputs(await ctx.FetchMembers(203, includeNotActive: true, includeContactInfo: true).SingleAsync());
-                    .Where(m => m.MgNr == 203)
-                    .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.DefaultWbKg!.AtKg)
-                    .Include(m => m.EmailAddresses)
-                    .Include(m => m.TelephoneNumbers)
-                    .AsSplitQuery()
-                    .FirstAsync());
             }
 
             Assert.Multiple(() => {
@@ -306,17 +266,9 @@ namespace Tests.UnitTests.ServiceTests {
             vm.MgNr = 210;
             Assert.DoesNotThrowAsync(async () => await vm.UpdateMember(203));
 
-            Member? m;
+            Member m;
             using (var ctx = new AppDbContext()) {
-                m = await ctx.Members
+                m = await ctx.FetchMembers(210, includeNotActive: true, includeContactInfo: true).SingleAsync();
-                    .Where(m => m.MgNr == 210)
-                    .Include(m => m.BillingAddress!.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.PostalDest.AtPlz!.Ort)
-                    .Include(m => m.DefaultWbKg!.AtKg)
-                    .Include(m => m.EmailAddresses)
-                    .Include(m => m.TelephoneNumbers)
-                    .AsSplitQuery()
-                    .FirstOrDefaultAsync();
             }
 
             Assert.That(m, Is.Not.Null);
@@ -334,27 +286,27 @@ namespace Tests.UnitTests.ServiceTests {
         [Test]
         public async Task TestDelete_01_NoReferences() {
             using (var ctx = new AppDbContext()) {
-                Assert.That(await ctx.Members.FindAsync(201), Is.Not.Null);
+                Assert.That(await ctx.FetchMembers(201, includeNotActive: true).SingleOrDefaultAsync(), Is.Not.Null);
             }
             Assert.DoesNotThrowAsync(async () => await MemberService.DeleteMember(201, false, false, false));
             using (var ctx = new AppDbContext()) {
-                Assert.That(await ctx.Members.FindAsync(201), Is.Null);
+                Assert.That(await ctx.FetchMembers(201, includeNotActive: true).SingleOrDefaultAsync(), Is.Null);
             }
         }
 
         [Test]
         public async Task TestDelete_02_AllReferences() {
             using (var ctx = new AppDbContext()) {
-                Assert.That(await ctx.Members.FindAsync(204), Is.Not.Null);
+                Assert.That(await ctx.FetchMembers(204, includeNotActive: true).SingleOrDefaultAsync(), Is.Not.Null);
             }
             for (int i = 0; i < 7; i++) {
                 Assert.ThrowsAsync<DbUpdateException>(async () => await MemberService.DeleteMember(204, (i & 1) != 0, (i & 2) != 0, (i & 4) != 0));
                 using var ctx = new AppDbContext();
-                Assert.That(await ctx.Members.FindAsync(204), Is.Not.Null);
+                Assert.That(await ctx.FetchMembers(204, includeNotActive: true).SingleOrDefaultAsync(), Is.Not.Null);
             }
             Assert.DoesNotThrowAsync(async () => await MemberService.DeleteMember(204, true, true, true));
             using (var ctx = new AppDbContext()) {
-                Assert.That(await ctx.Members.FindAsync(204), Is.Null);
+                Assert.That(await ctx.FetchMembers(204, includeNotActive: true).SingleOrDefaultAsync(), Is.Null);
             }
         }
     }

Tests/fetch-resources.bat

@@ -1 +1 @@
-curl --fail -s -L "https://elwig.at/files/create.sql?v=36" -u "elwig:ganzGeheim123!" -o "Resources\Sql\Create.sql"
+curl --fail -s -L "https://elwig.at/files/create.sql?v=38" -u "elwig:ganzGeheim123!" -o "Resources\Sql\Create.sql"