[#3] Elwig: Add user-friendly sync method

Elwig/App.xaml.cs

@@ -29,10 +29,11 @@ namespace Elwig {
         private readonly DispatcherTimer _autoUpdateTimer = new() { Interval = TimeSpan.FromHours(1) };
 
         public static readonly string DataPath = @"C:\ProgramData\Elwig\";
+        public static readonly string ConfigPath = Path.Combine(DataPath, "config.ini");
         public static readonly string ExePath = @"C:\Program Files\Elwig\";
         public static readonly string TempPath = Path.Combine(Path.GetTempPath(), "Elwig");
 
-        public static Config Config { get; private set; } = new(Path.Combine(DataPath, "config.ini"));
+        public static Config Config { get; private set; } = new(ConfigPath);
         public static int VersionMajor { get; private set; }
         public static int VersionMinor { get; private set; }
         public static int VersionPatch { get; private set; }

Elwig/Helpers/Export/ElwigData.cs

@@ -12,6 +12,8 @@ using Microsoft.EntityFrameworkCore;
 namespace Elwig.Helpers.Export {
     public static class ElwigData {
 
+        public enum ImportMode { Auto, Interactively, FromBranches }
+
         public static readonly string ImportedTxt = Path.Combine(App.DataPath, "imported.txt");
 
         public static async Task<string[]> GetImportedFiles() {
@@ -26,36 +28,61 @@ namespace Elwig.Helpers.Export {
             await File.AppendAllLinesAsync(ImportedTxt, filenames, Utils.UTF8);
         }
 
-        public static Task Import(string filename, bool interactive) => Import([filename], interactive);
+        public static Task Import(string filename, ImportMode mode) => Import([filename], mode);
 
-        public static async Task Import(IEnumerable<string> filenames, bool interactive) {
+        public static async Task Import(IEnumerable<string> filenames, ImportMode mode) {
             try {
                 using var ctx = new AppDbContext();
+                var branches = await ctx.Branches.ToDictionaryAsync(b => b.ZwstId);
                 var currentDids = await ctx.Deliveries
                     .GroupBy(d => d.Year)
                     .ToDictionaryAsync(g => g.Key, g => g.Max(d => d.DId));
+                var currentWbRde = await ctx.WbRde
+                    .GroupBy(r => r.KgNr)
+                    .ToDictionaryAsync(g => g.Key, g => g.ToList());
 
-                var deliveries = new List<Delivery>();
+                var data = new List<(
-                var deliveryParts = new List<DeliveryPart>();
+                    List<Member> Members,
-                var modifiers = new List<DeliveryPartModifier>();
+                    List<BillingAddr> BillingAddresses,
+                    List<MemberTelNr> TelephoneNumbers,
+                    List<MemberEmailAddr> EmailAddresses,
+                    List<AreaCom> AreaCommitments,
+                    List<WbRd> Riede,
+                    List<Delivery> Deliveries,
+                    List<DeliveryPart> DeliveryParts,
+                    List<DeliveryPartModifier> Modifiers)>();
 
-                var metaData = new List<(string Name, int DeliveryNum, string Filters)>();
+                var metaData = new List<(string FileName, string ZwstId, string Device,
+                    int? MemberNum, string? MemberFilters,
+                    int? AreaComNum, string? AreaComFilters,
+                    int? DeliveryNum, string? DeliveryFilters)>();
 
                 foreach (var filename in filenames) {
+                    // TODO read encrypted files
                     using var zip = ZipFile.Open(filename, ZipArchiveMode.Read);
 
                     var version = zip.GetEntry("version");
                     using (var reader = new StreamReader(version!.Open(), Utils.UTF8)) {
                         if (await reader.ReadToEndAsync() != "elwig:1")
-                            throw new FileFormatException("Ungültige Export-Datei");
+                            throw new FileFormatException($"Ungültige Export-Datei ({filename})");
                     }
 
                     var metaJson = zip.GetEntry("meta.json");
                     var meta = await JsonNode.ParseAsync(metaJson!.Open());
-                    var deliveryCount = meta!["deliveries"]?["count"]!.AsValue().GetValue<int>();
+                    var memberCount = meta!["members"]?["count"]?.AsValue().GetValue<int>();
-                    var deliveryFilters = meta!["deliveries"]?["filters"]!.AsArray().Select(f => f!.AsValue().GetValue<string>()).ToArray();
+                    var memberFilters = meta!["members"]?["filters"]?.AsArray().Select(f => f!.AsValue().GetValue<string>()).ToArray();
-                    if (deliveryCount != null && deliveryFilters != null)
+                    var areaComCount = meta!["area_commitments"]?["count"]?.AsValue().GetValue<int>();
-                        metaData.Add((Path.GetFileName(filename), (int)deliveryCount, string.Join(" / ", deliveryFilters)));
+                    var areaComFilters = meta!["area_commitments"]?["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),
+                        meta["zwstid"]!.AsValue().GetValue<string>(), meta["device"]!.AsValue().GetValue<string>(),
+                        memberCount, memberFilters != null ? string.Join(" / ", memberFilters) : null,
+                        areaComCount, areaComFilters != null ? string.Join(" / ", areaComFilters) : null,
+                        deliveryCount, deliveryFilters != null ? string.Join(" / ", deliveryFilters) : null));
+
+                    data.Add(new([], [], [], [], [], [], [], new([], [])));
+                    var r = data[^1];
 
                     var membersJson = zip.GetEntry("members.json");
                     if (membersJson != null) {
@@ -63,7 +90,11 @@ namespace Elwig.Helpers.Export {
                         string? line;
                         while ((line = await reader.ReadLineAsync()) != null) {
                             var obj = JsonNode.Parse(line)!.AsObject();
-                            // TODO import members.json
+                            var (m, b, telNrs, emailAddrs) = obj.ToMember();
+                            r.Members.Add(m);
+                            if (b != null) data[^1].BillingAddresses.Add(b);
+                            r.TelephoneNumbers.AddRange(telNrs);
+                            r.EmailAddresses.AddRange(emailAddrs);
                         }
                     }
 
@@ -73,7 +104,9 @@ namespace Elwig.Helpers.Export {
                         string? line;
                         while ((line = await reader.ReadLineAsync()) != null) {
                             var obj = JsonNode.Parse(line)!.AsObject();
-                            // TODO import area_commitments.json
+                            var (areaCom, wbrd) = obj.ToAreaCom(currentWbRde);
+                            r.AreaCommitments.Add(areaCom);
+                            if (wbrd != null) r.Riede.Add(wbrd);
                         }
                     }
 
@@ -83,14 +116,36 @@ namespace Elwig.Helpers.Export {
                         string? line;
                         while ((line = await reader.ReadLineAsync()) != null) {
                             var obj = JsonNode.Parse(line)!.AsObject();
-                            var (d, parts, mods) = JsonToDelivery(obj, currentDids);
+                            var (d, parts, mods) = obj.ToDelivery(currentDids);
-                            deliveries.Add(d);
+                            r.Deliveries.Add(d);
-                            deliveryParts.AddRange(parts);
+                            r.DeliveryParts.AddRange(parts);
-                            modifiers.AddRange(mods);
+                            r.Modifiers.AddRange(mods);
                         }
                     }
                 }
 
+                var importedMembers = 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, deliveries, deliveryParts, modifiers), meta) in data.Zip(metaData)) {
+                    var branch = branches[meta.ZwstId];
+                    var device = meta.Device;
+
+                    var mgnrs = members.Select(m => m.MgNr).ToList();
+                    var duplicateMgNrs = await ctx.Members
+                        .Where(m => mgnrs.Contains(m.MgNr))
+                        .Select(m => m.MgNr)
+                        .ToListAsync();
+                    bool importNewMembers = false, importDuplicateMembers = false;
+                    if (mode == ImportMode.Interactively) {
+                        if (mgnrs.Count - duplicateMgNrs.Count > 0)
+                            importNewMembers = ImportQuestion(branch.Name, device, "Mitglieder", false, mgnrs.Count - duplicateMgNrs.Count);
+                    } else {
+                        importNewMembers = true;
+                    }
+                    if (duplicateMgNrs.Count > 0)
+                        importDuplicateMembers = ImportQuestion(branch.Name, device, "Mitglieder", true, duplicateMgNrs.Count);
+
                     var lsnrs = deliveries.Select(d => d.LsNr).ToList();
                     var duplicateLsNrs = await ctx.Deliveries
                         .Where(d => lsnrs.Contains(d.LsNr))
@@ -100,39 +155,140 @@ namespace Elwig.Helpers.Export {
                         .Where(d => duplicateLsNrs.Contains(d.LsNr))
                         .Select(d => (d.Year, d.DId))
                         .ToList();
-                bool overwriteDelivieries = false;
+                    var allowedDuplicateLsNrs = new List<string>();
+                    bool importNewDeliveries = false, importDuplicateDeliveries = false;
+                    if (mode == ImportMode.Interactively) {
+                        if (lsnrs.Count - duplicateLsNrs.Count > 0)
+                            importNewDeliveries = ImportQuestion(branch.Name, device, "Lieferungen", false, lsnrs.Count - duplicateLsNrs.Count);
+                        if (duplicateLsNrs.Count > 0)
+                            importDuplicateDeliveries = ImportQuestion(branch.Name, device, "Lieferungen", true, duplicateLsNrs.Count);
+                    } else if (mode == ImportMode.FromBranches) {
+                        importNewDeliveries = true;
                         if (duplicateLsNrs.Count > 0) {
-                    var res = MessageBox.Show($"Sollen {duplicateLsNrs.Count} Lieferungen überschreiben werden?", "Lieferungen überschreiben",
+                            allowedDuplicateLsNrs = await ctx.Deliveries
-                        MessageBoxButton.YesNo, MessageBoxImage.Warning, MessageBoxResult.No);
+                                .Where(d => lsnrs.Contains(d.LsNr) && d.ZwstId == branch.ZwstId)
-                    overwriteDelivieries = res == MessageBoxResult.Yes;
+                                .Select(d => d.LsNr)
+                                .ToListAsync();
+                            if (duplicateLsNrs.Count - allowedDuplicateLsNrs.Count > 0)
+                                importDuplicateDeliveries = ImportQuestion(branch.Name, device, "Lieferungen", true, duplicateLsNrs.Count - allowedDuplicateLsNrs.Count);
                         }
-                if (overwriteDelivieries) {
-                    ctx.RemoveRange(ctx.Deliveries.Where(d => duplicateLsNrs.Contains(d.LsNr)));
-                    ctx.AddRange(deliveries);
-                    ctx.AddRange(deliveryParts);
-                    ctx.AddRange(modifiers);
                     } else {
+                        importNewDeliveries = true;
+                        if (duplicateLsNrs.Count > 0)
+                            importDuplicateDeliveries = ImportQuestion(branch.Name, device, "Lieferungen", true, duplicateLsNrs.Count);
+                    }
+
+                    if (importDuplicateMembers) {
+                        ctx.RemoveRange(ctx.BillingAddresses.Where(a => duplicateMgNrs.Contains(a.MgNr)));
+                        ctx.RemoveRange(ctx.MemberTelephoneNrs.Where(n => duplicateMgNrs.Contains(n.MgNr)));
+                        ctx.RemoveRange(ctx.MemberEmailAddrs.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)));
+                    }
+                    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)));
+                    }
+                    if (members.Count > 0) {
+                        var n = importNewMembers ? members.Count - duplicateMgNrs.Count : 0;
+                        var o = importDuplicateDeliveries ? duplicateMgNrs.Count : 0;
+                        importedMembers.Add((meta.FileName, meta.ZwstId, meta.Device, n, o, members.Count - n - o, meta.MemberFilters));
+                    }
+
+                    if (allowedDuplicateLsNrs.Count > 0) {
+                        var dids = deliveries
+                            .Where(d => allowedDuplicateLsNrs.Contains(d.LsNr))
+                            .Select(d => (d.Year, d.DId))
+                            .ToList();
+                        ctx.RemoveRange(ctx.DeliveryParts.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))));
+                    }
+                    if (importDuplicateDeliveries) {
+                        var l = duplicateLsNrs.Except(allowedDuplicateLsNrs).ToList();
+                        var dids = deliveries
+                            .Where(d => l.Contains(d.LsNr))
+                            .Select(d => (d.Year, d.DId))
+                            .ToList();
+                        ctx.RemoveRange(ctx.DeliveryParts.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))));
+                    }
+                    if (importNewDeliveries) {
                         ctx.AddRange(deliveries.Where(d => !duplicateDIds.Contains((d.Year, d.DId))));
                         ctx.AddRange(deliveryParts.Where(p => !duplicateDIds.Contains((p.Year, p.DId))));
                         ctx.AddRange(modifiers.Where(m => !duplicateDIds.Contains((m.Year, m.DId))));
                     }
+                    if (deliveries.Count > 0) {
+                        var n = importNewDeliveries ? deliveries.Count - duplicateDIds.Count : 0;
+                        var o = allowedDuplicateLsNrs.Count + (importDuplicateDeliveries ? duplicateDIds.Count - allowedDuplicateLsNrs.Count : 0);
+                        importedDeliveries.Add((meta.FileName, meta.ZwstId, meta.Device, n, o, deliveries.Count - n - o, meta.DeliveryFilters));
+                    }
+
+                    try {
                         await ctx.SaveChangesAsync();
+                    } catch (DbUpdateConcurrencyException) { }
                     await AddImportedFiles(filenames.Select(f => Path.GetFileName(f)));
+                }
                 await App.HintContextChange();
 
                 MessageBox.Show(
                     $"Das importieren der Daten war erfolgreich!\n" +
                     $"Folgendes wurde importiert:\n" +
-                    $"  Lieferungen: {deliveries.Count}\n" +
+                    string.Join("\n", [
-                    string.Join("\n", metaData.Select(d => $"    {d.Name} ({d.DeliveryNum})\n      {d.Filters}")) +
+                        $"Mitglieder: {importedMembers.Sum(d => d.New + d.Overwritten)}",
-                    "\n", "Importieren erfolgreich",
+                        ..importedMembers.Select(d =>
+                            $"  {d.FileName} ({d.New + d.Overwritten})\n" +
+                            $"    ({d.New} neu, {d.Overwritten} überschrieben, {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)}",
+                        ..importedDeliveries.Select(d =>
+                            $"  {d.FileName} ({d.New + d.Overwritten})\n" +
+                            $"    ({d.New} neu, {d.Overwritten} überschr., {d.NotImported} nicht importiert)\n" +
+                            $"    Zwst.: {branches[d.ZwstId].Name} (Gerät {d.Device})\n" +
+                            $"    Filter: {d.Filters}")
+                    ]),
+                    "Importieren erfolgreich",
                     MessageBoxButton.OK, MessageBoxImage.Information);
             } catch (Exception exc) {
                 MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
             }
         }
 
-        public static async Task ExportDeliveries(string filename, IEnumerable<Delivery> deliveries, IEnumerable<string> filters) {
+        private static bool ImportQuestion(string branch, string device, string subject, bool duplicate, int number) {
+            return MessageBox.Show(
+                $"Sollen {number} {(duplicate ? "" : "neue ")}{subject} durch die Zweigstelle\n" +
+                $"{branch} (Gerät {device}) {(duplicate ? "überschrieben" : "importiert")} werden?",
+                $"{subject} importieren",
+                MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.Yes
+            ) == MessageBoxResult.Yes;
+        }
+
+        public static Task Export(string filename, IEnumerable<Member> members, IEnumerable<string> filters) {
+            return new ElwigExport {
+                Members = (members, filters)
+            }.Export(filename);
+        }
+
+        public static Task Export(string filename, IEnumerable<Delivery> deliveries, IEnumerable<string> filters) {
+            return new ElwigExport {
+                Deliveries = (deliveries, filters)
+            }.Export(filename);
+        }
+
+        public class ElwigExport {
+            public (IEnumerable<Member> Members, IEnumerable<string> Filters)? Members { get; set; }
+            public (IEnumerable<AreaCom> AreaComs, IEnumerable<string> Filters)? AreaComs { get; set; }
+            public (IEnumerable<Delivery> Deliveries, IEnumerable<string> Filters)? Deliveries { get; set; }
+
+            public async Task Export(string filename) {
                 File.Delete(filename);
                 using var zip = ZipFile.Open(filename, ZipArchiveMode.Create);
 
@@ -143,25 +299,216 @@ namespace Elwig.Helpers.Export {
 
                 var meta = zip.CreateEntry("meta.json", CompressionLevel.NoCompression);
                 using (var writer = new StreamWriter(meta.Open(), Utils.UTF8)) {
-                await writer.WriteAsync(
+                    var obj = new JsonObject {
-                    $"{{\"timestamp\": \"{DateTime.UtcNow:yyyy-MM-ddTHH:mm:ssZ}\", " +
+                        ["timestamp"] = $"{DateTime.UtcNow:yyyy-MM-ddTHH:mm:ssZ}",
-                    $"\"zwstid\": \"{App.ZwstId}\", \"device\": \"{Environment.MachineName}\", " +
+                        ["zwstid"] = App.ZwstId,
-                    $"\"deliveries\": {{" +
+                        ["device"] = Environment.MachineName,
-                    $"\"count\": {deliveries.Count()}, " +
+                    };
-                    $"\"parts\": {deliveries.Sum(d => d.Parts.Count)}, " +
+                    if (Members != null)
-                    $"\"filters\": [{string.Join(", ", filters.Select(f => '"' + f + '"'))}]" +
+                        obj["members"] = new JsonObject {
-                    $"}}}}");
+                            ["count"] = Members.Value.Members.Count(),
+                            ["filters"] = new JsonArray(Members.Value.Filters.Select(f => (JsonNode)f).ToArray()),
+                        };
+                    if (AreaComs != null)
+                        obj["area_commitments"] = new JsonObject {
+                            ["count"] = AreaComs.Value.AreaComs.Count(),
+                            ["filters"] = new JsonArray(AreaComs.Value.Filters.Select(f => (JsonNode)f).ToArray()),
+                        };
+                    if (Deliveries != null)
+                        obj["deliveries"] = new JsonObject {
+                            ["count"] = Deliveries.Value.Deliveries.Count(),
+                            ["parts"] = Deliveries.Value.Deliveries.Sum(d => d.Parts.Count),
+                            ["filters"] = new JsonArray(Deliveries.Value.Filters.Select(f => (JsonNode)f).ToArray()),
+                        };
+                    await writer.WriteAsync(obj.ToJsonString());
                 }
 
-            var json = zip.CreateEntry("deliveries.json");
+                // TODO encrypt files
-            using (var writer = new StreamWriter(json.Open(), Utils.UTF8)) {
+                if (Members != null) {
-                foreach (var d in deliveries) {
+                    var json = zip.CreateEntry("members.json", CompressionLevel.SmallestSize);
-                    await writer.WriteLineAsync(DeliveryToJson(d).ToJsonString());
+                    using var writer = new StreamWriter(json.Open(), Utils.UTF8);
+                    foreach (var m in Members.Value.Members) {
+                        await writer.WriteLineAsync(m.ToJson().ToJsonString());
+                    }
+                }
+                if (AreaComs != null) {
+                    var json = zip.CreateEntry("area_commitments.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());
+                    }
+                }
+                if (Deliveries != null) {
+                    var json = zip.CreateEntry("deliveries.json", CompressionLevel.SmallestSize);
+                    using var writer = new StreamWriter(json.Open(), Utils.UTF8);
+                    foreach (var d in Deliveries.Value.Deliveries) {
+                        await writer.WriteLineAsync(d.ToJson().ToJsonString());
+                    }
                 }
             }
         }
 
-        public static JsonObject DeliveryToJson(Delivery d) {
+        public static JsonObject ToJson(this Member m) {
+            return new JsonObject {
+                ["mgnr"] = m.MgNr,
+                ["predecessor_mgnr"] = m.PredecessorMgNr,
+                ["prefix"] = m.Prefix,
+                ["given_name"] = m.GivenName,
+                ["middle_names"] = m.MiddleName,
+                ["family_name"] = m.FamilyName,
+                ["suffix"] = m.Suffix,
+                ["birthday"] = m.Birthday,
+                ["entry_date"] = m.EntryDate != null ? $"{m.EntryDate:yyyy-MM-dd}" : null,
+                ["exit_date"] = m.ExitDate != null ? $"{m.ExitDate:yyyy-MM-dd}" : null,
+                ["business_shares"] = m.BusinessShares,
+                ["accounting_nr"] = m.AccountingNr,
+                ["zwstid"] = m.ZwstId,
+                ["lfbis_nr"] = m.LfbisNr,
+                ["ustid_nr"] = m.UstIdNr,
+                ["volllieferant"] = m.IsVollLieferant,
+                ["buchführend"] = m.IsBuchführend,
+                ["organic"] = m.IsOrganic,
+                ["funktionär"] = m.IsFunktionär,
+                ["active"] = m.IsActive,
+                ["deceased"] = m.IsDeceased,
+                ["iban"] = m.Iban,
+                ["bic"] = m.Bic,
+                ["default_kgnr"] = m.DefaultKgNr,
+                ["contact_postal"] = m.ContactViaPost,
+                ["contact_email"] = m.ContactViaEmail,
+                ["address"] = new JsonObject {
+                    ["address"] = m.Address,
+                    ["postal_dest"] = m.PostalDestId,
+                    ["country"] = m.CountryNum,
+                },
+                ["billing_address"] = m.BillingAddress != null ? new JsonObject {
+                    ["name"] = m.BillingAddress.Name,
+                    ["address"] = m.BillingAddress.Address,
+                    ["postal_dest"] = m.BillingAddress.PostalDestId,
+                    ["country"] = m.BillingAddress.CountryNum,
+                } : null,
+                ["telephone_numbers"] = new JsonArray(m.TelephoneNumbers.OrderBy(n => n.Nr).Select(n => {
+                    var obj = new JsonObject {
+                        ["number"] = n.Number,
+                        ["type"] = n.Type,
+                    };
+                    if (n.Comment != null) obj["comment"] = n.Comment;
+                    return obj;
+                }).ToArray()),
+                ["email_addresses"] = new JsonArray(m.EmailAddresses.OrderBy(a => a.Nr).Select(a => {
+                    var obj = new JsonObject {
+                        ["address"] = a.Address,
+                    };
+                    if (a.Comment != null) obj["comment"] = a.Comment;
+                    return obj;
+                }).ToArray()),
+                ["comment"] = m.Comment,
+            };
+        }
+
+        public static (Member, BillingAddr?, List<MemberTelNr>, List<MemberEmailAddr>) ToMember(this JsonNode json) {
+            var mgnr = json["mgnr"]!.AsValue().GetValue<int>();
+            return (new Member {
+                MgNr = mgnr,
+                PredecessorMgNr = json["predecessor_mgnr"]?.AsValue().GetValue<int>(),
+                Prefix = json["prefix"]?.AsValue().GetValue<string>(),
+                GivenName = json["given_name"]!.AsValue().GetValue<string>(),
+                MiddleName = json["middle_names"]?.AsValue().GetValue<string>(),
+                FamilyName = json["family_name"]!.AsValue().GetValue<string>(),
+                Suffix = json["suffix"]?.AsValue().GetValue<string>(),
+                Birthday = json["birthday"]?.AsValue().GetValue<string>(),
+                EntryDateString = json["entry_date"]?.AsValue().GetValue<string>(),
+                ExitDateString = json["exit_date"]?.AsValue().GetValue<string>(),
+                BusinessShares = json["business_shares"]?.AsValue().GetValue<int>() ?? 0,
+                AccountingNr = json["accounting_nr"]?.AsValue().GetValue<string>(),
+                ZwstId = json["zwstid"]?.AsValue().GetValue<string>(),
+                LfbisNr = json["lfbis_nr"]?.AsValue().GetValue<string>(),
+                UstIdNr = json["ustid_nr"]?.AsValue().GetValue<string>(),
+                IsVollLieferant = json["volllieferant"]?.AsValue().GetValue<bool>() ?? false,
+                IsBuchführend = json["buchführend"]?.AsValue().GetValue<bool>() ?? false,
+                IsOrganic = json["organic"]?.AsValue().GetValue<bool>() ?? false,
+                IsFunktionär = json["funktionär"]?.AsValue().GetValue<bool>() ?? false,
+                IsActive = json["active"]?.AsValue().GetValue<bool>() ?? false,
+                IsDeceased = json["deceased"]?.AsValue().GetValue<bool>() ?? false,
+                Iban = json["iban"]?.AsValue().GetValue<string>(),
+                Bic = json["bic"]?.AsValue().GetValue<string>(),
+                CountryNum = json["address"]!["country"]!.AsValue().GetValue<int>(),
+                PostalDestId = json["address"]!["postal_dest"]!.AsValue().GetValue<string>(),
+                Address = json["address"]!["address"]!.AsValue().GetValue<string>(),
+                DefaultKgNr = json["default_kgnr"]?.AsValue().GetValue<int>(),
+                ContactViaPost = json["contact_postal"]?.AsValue().GetValue<bool>() ?? false,
+                ContactViaEmail = json["contact_email"]?.AsValue().GetValue<bool>() ?? false,
+                Comment = json["comment"]?.AsValue().GetValue<string>(),
+            }, json["billing_address"] is JsonObject a ? new BillingAddr {
+                MgNr = mgnr,
+                Name = a["name"]!.AsValue().GetValue<string>(),
+                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 {
+                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 {
+                MgNr = mgnr,
+                Nr = i + 1,
+                Address = a["address"]!.AsValue().GetValue<string>(),
+                Comment = a["comment"]?.AsValue().GetValue<string>(),
+            }).ToList());
+        }
+
+        public static JsonObject ToJson(this AreaCom 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,
+                ["year_to"] = c.YearTo,
+                ["comment"] = c.Comment,
+            };
+        }
+
+        public static (AreaCom, WbRd?) 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;
+            bool newRd = false;
+            if (ried != null) {
+                var rde = riede[kgnr] ?? throw new ArgumentException($"KG {kgnr:00000} is no WbKg");
+                rd = rde.FirstOrDefault(r => r.Name == ried);
+                if (rd == null) {
+                    newRd = true;
+                    rd = new WbRd {
+                        KgNr = kgnr,
+                        RdNr = (rde.Count == 0 ? 0 : rde.Max(r => r.RdNr)) + 1,
+                        Name = ried,
+                    };
+                    rde.Add(rd);
+                }
+            }
+            return (new AreaCom {
+                FbNr = json["fbnr"]!.AsValue().GetValue<int>(),
+                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,
+                YearFrom = json["year_from"]!.AsValue().GetValue<int>(),
+                YearTo = json["year_to"]?.AsValue().GetValue<int>(),
+                Comment = json["comment"]?.AsValue().GetValue<string>(),
+            }, newRd ? rd : null);
+        }
+
+        public static JsonObject ToJson(this Delivery d) {
             return new JsonObject {
                 ["lsnr"] = d.LsNr,
                 ["year"] = d.Year,
@@ -202,7 +549,7 @@ namespace Elwig.Helpers.Export {
             };
         }
 
-        public static (Delivery, List<DeliveryPart>, List<DeliveryPartModifier>) JsonToDelivery(JsonNode json, Dictionary<int, int> currentDids) {
+        public static (Delivery, List<DeliveryPart>, List<DeliveryPartModifier>) ToDelivery(this JsonNode json, Dictionary<int, int> currentDids) {
             var year = json["year"]!.AsValue().GetValue<int>();
             var did = ++currentDids[year];
             return (new Delivery {

Elwig/Services/DeliveryService.cs

@@ -529,16 +529,16 @@ namespace Elwig.Services {
                 var (f, _, q, _, _) = await vm.GetFilters(ctx);
                 query = q;
                 filterNames.AddRange(f);
+            } else if (modeWho == 2) {
+                query = ctx.DeliveryParts
+                    .Where(p => p.Year == Utils.CurrentLastSeason && p.Delivery.ZwstId == App.ZwstId);
+                filterNames.AddRange([$"{Utils.CurrentLastSeason}", $"Zweigstelle {App.BranchName}"]);
             } else {
                 var date = $"{Utils.Today:yyyy-MM-dd}";
                 query = ctx.DeliveryParts
                     .Where(p => p.Delivery.DateString == date);
                 filterNames.Add($"{Utils.Today:dd.MM.yyyy}");
             }
-            if (exportMode == ExportMode.Upload && !filterNames.Contains($"Zweigstelle {App.BranchName}")) {
-                query = query.Where(p => p.Delivery.ZwstId == App.ZwstId);
-                filterNames.Add($"Zweigstelle {App.BranchName}");
-            }
 
             query = query
                 .OrderBy(p => p.Delivery.DateString)
@@ -566,7 +566,7 @@ namespace Elwig.Services {
                 }
             } else if (exportMode == ExportMode.Export) {
                 var d = new SaveFileDialog() {
-                    FileName = $"Lieferungen.zip",
+                    FileName = $"Lieferungen_{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.zip",
                     DefaultExt = "zip",
                     Filter = "ZIP-Datei (*.zip)|*.zip",
                     Title = $"{DeliveryJournal.Name} speichern unter - Elwig"
@@ -574,7 +574,13 @@ namespace Elwig.Services {
                 if (d.ShowDialog() == true) {
                     Mouse.OverrideCursor = Cursors.AppStarting;
                     try {
-                        await ElwigData.ExportDeliveries(d.FileName, await query.Select(p => p.Delivery).Distinct().ToListAsync(), filterNames);
+                        await ElwigData.Export(d.FileName, await query
+                            .Select(p => p.Delivery)
+                            .Distinct()
+                            .Include(d => d.Parts)
+                            .ThenInclude(p => p.PartModifiers)
+                            .AsSplitQuery()
+                            .ToListAsync(), filterNames);
                     } catch (Exception exc) {
                         MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
                     }
@@ -585,12 +591,18 @@ namespace Elwig.Services {
                 try {
                     var filename = $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.zip";
                     var path = Path.Combine(App.TempPath, filename);
-                    var list = await query.Select(p => p.Delivery).Distinct().ToListAsync();
+                    var list = await query
+                        .Select(p => p.Delivery)
+                        .Distinct()
+                        .Include(d => d.Parts)
+                        .ThenInclude(p => p.PartModifiers)
+                        .AsSplitQuery()
+                        .ToListAsync();
                     if (list.Count == 0) {
-                        MessageBox.Show("Es wurden keine Lieferungen zum Hochladen ausgewählt!", "Fehler",
+                        MessageBox.Show("Es wurden keine Lieferungen zum Hochladen ausgewählt!", "Lieferungen hochladen",
                             MessageBoxButton.OK, MessageBoxImage.Error);
                     } else {
-                        await ElwigData.ExportDeliveries(path, list, filterNames);
+                        await ElwigData.Export(path, list, filterNames);
                         await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
                         MessageBox.Show($"Lieferungen erfolgreich hochgeladen!", "Lieferungen hochgeladen",
                             MessageBoxButton.OK, MessageBoxImage.Information);

Elwig/Windows/DeliveryAdminWindow.xaml

@@ -129,10 +129,10 @@
                 <MenuItem x:Name="Menu_Export_UploadFilters" Header="...aus Filtern hochladen"
                           Click="Menu_Export_UploadFilters_Click"/>
                 <Separator/>
-                <MenuItem x:Name="Menu_Export_ExportToday" Header="...von heute speichern..."
+                <MenuItem x:Name="Menu_Export_ExportSeason" Header="...von Saison/Zweigstelle speichern..."
-                          Click="Menu_Export_ExportToday_Click"/>
+                          Click="Menu_Export_ExportSeason_Click"/>
-                <MenuItem x:Name="Menu_Export_UploadToday" Header="...von heute hochladen"
+                <MenuItem x:Name="Menu_Export_UploadSeason" Header="...von Saison/Zweigstelle hochladen"
-                          Click="Menu_Export_UploadToday_Click" InputGestureText="Strg+H"/>
+                          Click="Menu_Export_UploadSeason_Click"/>
             </MenuItem>
             <MenuItem Header="Einstellungen">
                 <MenuItem x:Name="Menu_Settings_EnableFreeEditing" Header="Freie Bearbeitung aktivieren"

Elwig/Windows/DeliveryAdminWindow.xaml.cs

@@ -29,7 +29,6 @@ namespace Elwig.Windows {
         private readonly RoutedCommand CtrlO = new("CtrlO", typeof(DeliveryAdminWindow), [new KeyGesture(Key.O, ModifierKeys.Control)]);
         private readonly RoutedCommand CtrlJ = new("CtrlJ", typeof(DeliveryAdminWindow), [new KeyGesture(Key.J, ModifierKeys.Control)]);
         private readonly RoutedCommand CtrlQ = new("CtrlQ", typeof(DeliveryAdminWindow), [new KeyGesture(Key.Q, ModifierKeys.Control)]);
-        private readonly RoutedCommand CtrlH = new("CtrlH", typeof(DeliveryAdminWindow), [new KeyGesture(Key.H, ModifierKeys.Control)]);
         private readonly RoutedCommand CtrlShiftP = new("CtrlShiftP", typeof(DeliveryAdminWindow), [new KeyGesture(Key.P, ModifierKeys.Control | ModifierKeys.Shift)]);
         private readonly RoutedCommand CtrlShiftO = new("CtrlShiftO", typeof(DeliveryAdminWindow), [new KeyGesture(Key.O, ModifierKeys.Control | ModifierKeys.Shift)]);
 
@@ -43,7 +42,6 @@ namespace Elwig.Windows {
             CommandBindings.Add(new CommandBinding(CtrlO, Menu_DeliveryJournal_ShowFilters_Click));
             CommandBindings.Add(new CommandBinding(CtrlJ, Menu_DeliveryJournal_PrintToday_Click));
             CommandBindings.Add(new CommandBinding(CtrlQ, Menu_WineQualityStatistics_PrintToday_Click));
-            CommandBindings.Add(new CommandBinding(CtrlH, Menu_Export_UploadToday_Click));
             CommandBindings.Add(new CommandBinding(CtrlShiftP, Menu_DeliveryNote_Print_Click));
             CommandBindings.Add(new CommandBinding(CtrlShiftO, Menu_DeliveryJournal_PrintFilters_Click));
             RequiredInputs = [
@@ -113,7 +111,7 @@ namespace Elwig.Windows {
             }
 
             Menu_Export_UploadFilters.IsEnabled = App.Config.SyncUrl != null;
-            Menu_Export_UploadToday.IsEnabled = App.Config.SyncUrl != null;
+            Menu_Export_UploadSeason.IsEnabled = App.Config.SyncUrl != null;
         }
 
         public DeliveryAdminWindow(int mgnr) : this() {
@@ -180,7 +178,7 @@ namespace Elwig.Windows {
         private async void Menu_DeliveryJournal_SaveToday_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(1, ExportMode.SaveList); }
         private async void Menu_DeliveryJournal_SavePdfToday_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(1, ExportMode.SavePdf); }
         private async void Menu_DeliveryJournal_ShowToday_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(1, ExportMode.Show); }
-        private async void Menu_Export_ExportToday_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(1, ExportMode.Export); }
+        private async void Menu_Export_ExportSeason_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(2, ExportMode.Export); }
         private async void Menu_DeliveryJournal_PrintToday_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(1, ExportMode.Print); }
         private async void Menu_DeliveryJournal_SaveFilters_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(0, ExportMode.SaveList); }
         private async void Menu_DeliveryJournal_SavePdfFilters_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(0, ExportMode.SavePdf); }
@@ -188,9 +186,9 @@ namespace Elwig.Windows {
         private async void Menu_DeliveryJournal_PrintFilters_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(0, ExportMode.Print); }
         private async void Menu_Export_ExportFilters_Click(object sender, RoutedEventArgs evt) { await ViewModel.GenerateDeliveryJournal(0, ExportMode.Export); }
 
-        private async void Menu_Export_UploadToday_Click(object sender, RoutedEventArgs evt) {
+        private async void Menu_Export_UploadSeason_Click(object sender, RoutedEventArgs evt) {
             if (App.Config.SyncUrl == null) return;
-            await ViewModel.GenerateDeliveryJournal(1, ExportMode.Upload);
+            await ViewModel.GenerateDeliveryJournal(2, ExportMode.Upload);
         }
 
         private async void Menu_Export_UploadFilters_Click(object sender, RoutedEventArgs evt) {

Elwig/Windows/MainWindow.xaml

@@ -21,7 +21,6 @@
             <MenuItem Header="Datenbank">
                 <MenuItem Header="Daten exportieren..." Click="Menu_Database_Export_Click"/>
                 <MenuItem Header="Daten importieren..." Click="Menu_Database_Import_Click"/>
-                <MenuItem x:Name="Menu_Database_Sync" Header="Daten synchronisieren" Click="Menu_Database_Sync_Click"/>
                 <Separator/>
                 <MenuItem Header="Abfragen stellen" Click="Menu_Database_Query_Click"/>
                 <MenuItem Header="Speicherort öffnen..." Click="Menu_Database_Open_Click"/>
@@ -30,7 +29,9 @@
                 <MenuItem Header="Über"/>
                 <MenuItem x:Name="Menu_Help_Update" Header="Nach Updates suchen" Click="Menu_Help_Update_Click"/>
                 <MenuItem x:Name="Menu_Help_Smtp" Header="E-Mail-Einstellungen testen" Click="Menu_Help_Smtp_Click"/>
-                <MenuItem x:Name="Menu_Help_Config" Header="Konfigurationsspeicherort öffnen..." Click="Menu_Help_Config_Click"/>
+                <Separator/>
+                <MenuItem x:Name="Menu_Help_Config" Header="Konfigurationsdatei öffnen..." Click="Menu_Help_Config_Click"/>
+                <MenuItem x:Name="Menu_Help_Directory" Header="Konfigurationsspeicherort öffnen..." Click="Menu_Help_Directory_Click"/>
             </MenuItem>
         </Menu>
 
@@ -66,6 +67,15 @@
         <Button x:Name="RegistrationButton" Content="Anmeldungen" IsEnabled="False"
                 Margin="205,250,0,0"/>
 
+        <Button x:Name="DownloadButton" Click="DownloadButton_Click"
+                Margin="310,135,0,0" Padding="1.5,0,0,0" Height="30" Width="30"
+                Content="&#xE896;" FontFamily="Segoe MDL2 Assets" FontSize="16"
+                ToolTip="Lieferungen und Mitgliederdaten anderer Zweigstellen herunterladen"/>
+        <Button x:Name="UploadButton" Click="UploadButton_Click"
+                Margin="375,135,0,0" Padding="1.5,0,0,0" Height="30" Width="30"
+                Content="&#xE898;" FontFamily="Segoe MDL2 Assets" FontSize="16"
+                ToolTip="Lieferungen dieser Zweigstelle hochladen"/>
+
         <Expander x:Name="SeasonFinish" Header="Leseabschluss" SnapsToDevicePixels="True"
                   Expanded="SeasonFinish_Expanded" Collapsed="SeasonFinish_Collapsed"
                   HorizontalAlignment="Center" Width="407" Margin="0,290,0,0" VerticalAlignment="Top">

Elwig/Windows/MainWindow.xaml.cs

@@ -11,6 +11,7 @@ using System.Diagnostics;
 using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Net.Http;
 using System.Reflection;
 using System.Threading.Tasks;
 using System.Windows;
@@ -27,7 +28,8 @@ namespace Elwig.Windows {
             if (App.Client.Client == null) VersionField.Text += " (Unbekannt)";
             Menu_Help_Update.IsEnabled = App.Config.UpdateUrl != null;
             Menu_Help_Smtp.IsEnabled = App.Config.Smtp != null;
-            Menu_Database_Sync.IsEnabled = App.Config.SyncUrl != null;
+            DownloadButton.Visibility = App.Config.SyncUrl != null ? Visibility.Visible : Visibility.Hidden;
+            UploadButton.Visibility = App.Config.SyncUrl != null ? Visibility.Visible : Visibility.Hidden;
         }
 
         private void Window_Loaded(object sender, RoutedEventArgs evt) {
@@ -62,8 +64,21 @@ namespace Elwig.Windows {
             Mouse.OverrideCursor = null;
         }
 
-        private void Menu_Help_Config_Click(object sender, RoutedEventArgs evt) {
+        private void Menu_Help_Directory_Click(object sender, RoutedEventArgs evt) {
+            try {
                 Process.Start("explorer.exe", App.DataPath);
+            } catch { }
+        }
+
+        private void Menu_Help_Config_Click(object sender, RoutedEventArgs evt) {
+            try {
+                Process.Start(new ProcessStartInfo {
+                    FileName = "notepad.exe",
+                    Arguments = App.ConfigPath,
+                    Verb = "runas",
+                    UseShellExecute = true,
+                });
+            } catch { }
         }
 
         private void Menu_Database_Query_Click(object sender, RoutedEventArgs evt) {
@@ -84,7 +99,7 @@ namespace Elwig.Windows {
             // TODO Menu_Database_Import_Click
         }
 
-        private async void Menu_Database_Sync_Click(object sender, RoutedEventArgs evt) {
+        private async void DownloadButton_Click(object sender, RoutedEventArgs evt) {
             if (App.Config.SyncUrl == null)
                 return;
             Mouse.OverrideCursor = Cursors.AppStarting;
@@ -94,20 +109,17 @@ namespace Elwig.Windows {
                     .Select(f => new {
                         Name = f!["name"]!.AsValue().GetValue<string>(),
                         Timestamp = f!["timestamp"] != null && DateTime.TryParseExact(f!["timestamp"]!.AsValue().GetValue<string>(), "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None, out var dt) ? dt : (DateTime?)null,
-                        ZwstId = f!["zwstid"]?.AsValue().GetValue<string>(),
+                        ZwstId = f!["meta"]?["zwstid"]?.AsValue().GetValue<string>() ?? f!["zwstid"]?.AsValue().GetValue<string>(),
-                        DeliveryNum = f!["meta"]?["deliveries"]?["count"]!.AsValue().GetValue<int>(),
-                        DeliveryPartNum = f!["meta"]?["deliveries"]?["parts"]!.AsValue().GetValue<int>(),
-                        Filters = f!["meta"]?["deliveries"]?["filters"]!.AsArray().Select(i => i!.AsValue().GetValue<string>()).ToArray(),
                         Device = f!["meta"]?["device"]!.AsValue().GetValue<string>(),
                         Url = f!["url"]!.AsValue().GetValue<string>(),
                         Size = f!["size"]!.AsValue().GetValue<long>(),
                     })
-                    .Where(f => f.DeliveryNum > 0 && f.Timestamp >= new DateTime(Utils.CurrentLastSeason, 7, 1))
+                    .Where(f => f.Timestamp >= new DateTime(Utils.CurrentLastSeason, 7, 1))
                     .ToList();
 
                 var imported = await ElwigData.GetImportedFiles();
                 var import = files
-                    .Where(f => f.Filters != null && f.Filters.Length > 0 && f.Device != Environment.MachineName && !imported.Contains(f.Name))
+                    .Where(f => f.Device != Environment.MachineName && !imported.Contains(f.Name))
                     .ToList();
                 var paths = new List<string>();
                 using (var client = Utils.GetHttpClient(App.Config.SyncUsername, App.Config.SyncPassword)) {
@@ -118,13 +130,48 @@ namespace Elwig.Windows {
                         paths.Add(filename);
                     }
                 }
-                await ElwigData.Import(paths, false);
+                await ElwigData.Import(paths, ElwigData.ImportMode.FromBranches);
+            } catch (HttpRequestException exc) {
+                MessageBox.Show(exc.Message + "\n\nEventuell Internetverbindung prüfen!", "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
             } catch (Exception exc) {
                 MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
             }
             Mouse.OverrideCursor = null;
         }
 
+        private async void UploadButton_Click(object sender, RoutedEventArgs evt) {
+            if (App.Config.SyncUrl == null)
+                return;
+            Mouse.OverrideCursor = Cursors.AppStarting;
+            try {
+                var path = Path.Combine(App.TempPath, $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{App.ZwstId}.zip");
+                using var ctx = new AppDbContext();
+                var deliveries = await ctx.Deliveries
+                    .Where(d => d.Year == Utils.CurrentLastSeason && d.ZwstId == App.ZwstId)
+                    .Include(d => d.Parts)
+                    .ThenInclude(p => p.PartModifiers)
+                    .OrderBy(d => d.DateString)
+                    .ThenBy(d => d.TimeString)
+                    .ThenBy(d => d.LsNr)
+                    .AsSplitQuery()
+                    .ToListAsync();
+                if (deliveries.Count == 0) {
+                    MessageBox.Show("Es gibt keine Lieferungen, die hochgeladen werden können!", "Lieferungen hochladen",
+                        MessageBoxButton.OK, MessageBoxImage.Error);
+                } else {
+                    await ElwigData.Export(path, deliveries, [$"{Utils.CurrentLastSeason}", $"Zweigstelle {App.BranchName}"]);
+                    await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                    MessageBox.Show($"Hochladen von {deliveries.Count} Lieferungen erfolgreich!", "Lieferungen hochladen",
+                        MessageBoxButton.OK, MessageBoxImage.Information);
+                }
+            } catch (HttpRequestException exc) {
+                MessageBox.Show(exc.Message + "\n\nEventuell Internetverbindung prüfen!", "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
+            } catch (Exception exc) {
+                MessageBox.Show(exc.Message, "Lieferungen hochladen", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+            Mouse.OverrideCursor = null;
+        }
+
         private void MemberAdminButton_Click(object sender, RoutedEventArgs evt) {
             var w = new MemberAdminWindow();
             w.Show();