[#46] PaymentAdjustmentWindow: Refine DataGrid

Elwig/Windows/PaymentAdjustmentWindow.xaml.cs

@@ -1,7 +1,9 @@
 using Elwig.Helpers;
 using Elwig.Helpers.Billing;
+using Elwig.Models.Dtos;
 using Microsoft.EntityFrameworkCore;
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using System.Windows;
@@ -24,19 +26,55 @@ namespace Elwig.Windows {
         }
 
         protected override async Task OnRenewContext(AppDbContext ctx) {
-            MemberList.ItemsSource = await ctx.MemberHistory
+            var members = await ctx.Members
+                .Select(m => new {
+                    m.MgNr,
+                    m.FamilyName,
+                    m.GivenName,
+                    m.BusinessShares,
+                })
+                .OrderBy(m => m.FamilyName)
+                .ThenBy(m => m.GivenName)
+                .ThenBy(m => m.MgNr)
+                .ToListAsync();
+            var season = (await ctx.Seasons.FindAsync(Year))!;
+
+            var tbl = await OverUnderDeliveryData.ForSeason(ctx.OverUnderDeliveryRows, Year);
+            var weight = tbl.Rows.ToDictionary(r => r.MgNr, r => r.Weight);
+
+            var history = await ctx.MemberHistory
                 .Where(h => h.DateString.CompareTo($"{Year}-01-01") >= 0 && h.DateString.CompareTo($"{Year}-12-31") <= 0 && h.Type == "auto" && h.BusinessShares > 0)
                 .GroupBy(h => h.Member)
-                .Select(h => new {
-                    h.Key.MgNr,
-                    h.Key.FamilyName,
-                    h.Key.GivenName,
-                    BusinessShares = h.Sum(g => g.BusinessShares),
+                .ToDictionaryAsync(h => h.Key.MgNr, h => h.Sum(g => g.BusinessShares));
+
+            var list = members
+                .Select(m => new {
+                    m.MgNr,
+                    m.FamilyName,
+                    m.GivenName,
+                    BusinessShares = m.BusinessShares - history.GetValueOrDefault(m.MgNr, 0),
+                    DeliveryObligation = (m.BusinessShares - history.GetValueOrDefault(m.MgNr, 0)) * season.MinKgPerBusinessShare,
+                    DeliveryRight = (m.BusinessShares - history.GetValueOrDefault(m.MgNr, 0)) * season.MaxKgPerBusinessShare,
                 })
-                .OrderBy(h => h.FamilyName)
-                .ThenBy(h => h.GivenName)
-                .ThenBy(h => h.MgNr)
-                .ToListAsync();
+                .Select(m => new {
+                    m.MgNr,
+                    m.FamilyName,
+                    m.GivenName,
+                    m.BusinessShares,
+                    OverUnder = weight.TryGetValue(m.MgNr, out int v1) ?
+                        (v1 < m.DeliveryObligation ? (int?)v1 - m.DeliveryObligation :
+                         v1 > m.DeliveryRight ? (int?)v1 - m.DeliveryRight : null)
+                        : null,
+                    Adjust = history.TryGetValue(m.MgNr, out int v2) ? (int?)v2 : null
+                })
+                .Where(m => m.OverUnder != null || m.Adjust != null)
+                .OrderByDescending(m => m.OverUnder)
+                .ThenBy(m => m.FamilyName)
+                .ThenBy(m => m.GivenName)
+                .ThenBy(m => m.MgNr)
+                .ToList();
+
+            MemberList.ItemsSource = list;
         }
 
         private async void AutoAdjustBsButton_Click(object sender, RoutedEventArgs evt) {