From b7d33e6d8915f6baaa56920dbff46529d8b0ac03 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Fri, 15 Mar 2024 17:25:42 +0100
Subject: [PATCH] PaymentVariantsWindow: Use async for UpdateSums()

---
 Elwig/Windows/PaymentVariantsWindow.xaml.cs | 26 ++++++++++-----------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/Elwig/Windows/PaymentVariantsWindow.xaml.cs b/Elwig/Windows/PaymentVariantsWindow.xaml.cs
index 2723a83..cc47a38 100644
--- a/Elwig/Windows/PaymentVariantsWindow.xaml.cs
+++ b/Elwig/Windows/PaymentVariantsWindow.xaml.cs
@@ -43,10 +43,10 @@ namespace Elwig.Windows {
                 .OrderBy(v => v.AvNr)
                 .Include(v => v.Season.Currency)
                 .ToListAsync(), v => (v as PaymentVar)?.AvNr);
-            Update();
+            await Update();
         }
 
-        private void Update() {
+        private async Task Update() {
             if (PaymentVariantList.SelectedItem is PaymentVar v) {
                 var locked = !v.TestVariant;
                 DeleteButton.IsEnabled = !locked;
@@ -139,7 +139,7 @@ namespace Elwig.Windows {
                 DataInput.Text = "";
                 DataInput.IsReadOnly = true;
             }
-            UpdateSums();
+            await UpdateSums();
             UpdateSaveButton();
         }
 
@@ -156,17 +156,17 @@ namespace Elwig.Windows {
             CommitButton.IsEnabled = CalculateButton.IsEnabled;
         }
 
-        private void UpdateSums() {
+        private async Task UpdateSums() {
             if (PaymentVariantList.SelectedItem is PaymentVar v) {
                 using var ctx = new AppDbContext();
                 var sym = v.Season.Currency.Symbol;
-                var modSum = ctx.PaymentDeliveryParts
+                var modSum = await ctx.PaymentDeliveryParts
                     .Where(p => p.Year == v.Year && p.AvNr == v.AvNr)
-                    .Sum(p => p.AmountValue - p.NetAmountValue);
+                    .SumAsync(p => p.AmountValue - p.NetAmountValue);
                 ModifierSum.Text = $"{v.Season.DecFromDb(modSum):N2} {sym}";
-                var totalSum = ctx.MemberPayments
+                var totalSum = await ctx.MemberPayments
                     .Where(p => p.Year == v.Year && p.AvNr == v.AvNr)
-                    .Sum(p => p.AmountValue);
+                    .SumAsync(p => p.AmountValue);
                 TotalSum.Text = $"{v.Season.DecFromDb(totalSum):N2} {sym}";
                 var credits = ctx.Credits.Where(c => c.Year == v.Year && c.AvNr == v.AvNr);
                 if (!credits.Any()) {
@@ -174,9 +174,9 @@ namespace Elwig.Windows {
                     DeductionSum.Text = $"- {sym}";
                     PaymentSum.Text = $"- {sym}";
                 } else {
-                    VatSum.Text = $"{v.Season.DecFromDb(credits.Sum(c => c.VatAmountValue)):N2} {sym}";
-                    DeductionSum.Text = $"{-v.Season.DecFromDb(credits.Sum(c => c.ModifiersValue ?? 0)):N2} {sym}";
-                    PaymentSum.Text = $"{v.Season.DecFromDb(credits.Sum(c => c.AmountValue)):N2} {sym}";
+                    VatSum.Text = $"{v.Season.DecFromDb(await credits.SumAsync(c => c.VatAmountValue)):N2} {sym}";
+                    DeductionSum.Text = $"{-v.Season.DecFromDb(await credits.SumAsync(c => c.ModifiersValue ?? 0)):N2} {sym}";
+                    PaymentSum.Text = $"{v.Season.DecFromDb(await credits.SumAsync(c => c.AmountValue)):N2} {sym}";
                 }
             } else {
                 ModifierSum.Text = "-";
@@ -187,8 +187,8 @@ namespace Elwig.Windows {
             }
         }
 
-        private void PaymentVariantList_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
-            Update();
+        private async void PaymentVariantList_SelectionChanged(object sender, SelectionChangedEventArgs evt) {
+            await Update();
         }
 
         private async void AddButton_Click(object sender, RoutedEventArgs evt) {