[#11] Tests: Add DeliveryServiceTest

Elwig/Services/DeliveryService.cs

@@ -462,7 +462,7 @@ namespace Elwig.Services {
                     LNr = newLnr ?? oldDelivery!.LNr,
                     ZwstId = vm.Branch!.ZwstId,
                     LsNr = newLsNr ?? vm.LsNr!,
-                    MgNr = (int)vm.MgNr!,
+                    MgNr = vm.MgNr!.Value,
                     Comment = string.IsNullOrEmpty(vm.Comment) ? null : vm.Comment,
                 };
 
@@ -474,7 +474,7 @@ namespace Elwig.Services {
                     SortId = vm.WineVar!.SortId,
                     AttrId = vm.WineAttr?.AttrId,
                     CultId = vm.WineCult?.CultId,
-                    Kmw = (double)vm.GradationKmw!,
+                    Kmw = vm.GradationKmw!.Value,
                     QualId = vm.WineQualityLevel!.QualId,
                     HkId = vm.WineOrigin!.HkId,
                     KgNr = vm.WineKg?.KgNr,
@@ -488,7 +488,7 @@ namespace Elwig.Services {
                     Acid = vm.Acid,
                     Comment = string.IsNullOrEmpty(vm.PartComment) ? null : vm.PartComment,
 
-                    Weight = (int)vm.Weight!,
+                    Weight = vm.Weight!.Value,
                     IsManualWeighing = vm.IsManualWeighing,
                     ScaleId = vm.ScaleId,
                     WeighingData = vm.WeighingData,
@@ -971,5 +971,13 @@ namespace Elwig.Services {
 
             return (wGrid, gGrid);
         }
+
+        public static async Task DeleteDelivery(string lsnr) {
+            using (var ctx = new AppDbContext()) {
+                await ctx.Deliveries.Where(d => d.LsNr == lsnr).ExecuteDeleteAsync();
+                await ctx.SaveChangesAsync();
+            }
+            App.HintContextChange();
+        }
     }
 }