DeliveryAdminWindow: Add WineLocalityStatistics

Elwig/Services/DeliveryService.cs

@@ -809,6 +809,38 @@ namespace Elwig.Services {
             Mouse.OverrideCursor = null;
         }
 
+        public static async Task GenerateLocalityStatistics(this DeliveryAdminViewModel vm, ExportSubject subject) {
+            using var ctx = new AppDbContext();
+            IQueryable<DeliveryPart> query;
+            List<string> filterNames = [];
+            if (subject == ExportSubject.FromFilters) {
+                var (f, _, q, _, _) = await vm.GetFilters(ctx);
+                query = q;
+                filterNames.AddRange(f);
+
+            } else {
+                throw new ArgumentException("Invalid value for ExportSubject");
+            }
+
+            var d = new SaveFileDialog() {
+                FileName = $"Lieferstatistik-{vm.FilterSeason ?? Utils.CurrentLastSeason}.ods",
+                DefaultExt = "ods",
+                Filter = "OpenDocument Format Spreadsheet (*.ods)|*.ods",
+                Title = $"Lieferstatistik pro Ort speichern unter - Elwig"
+            };
+            if (d.ShowDialog() == true) {
+                Mouse.OverrideCursor = Cursors.AppStarting;
+                try {
+                    using var ods = new OdsFile(d.FileName);
+                    var tbl = await WineLocalityStatisticsData.FromQuery(query, filterNames);
+                    await ods.AddTable(tbl);
+                } catch (Exception exc) {
+                    MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+                Mouse.OverrideCursor = null;
+            }
+        }
+
         public static async Task GenerateDeliveryDepreciationList(this DeliveryAdminViewModel vm, ExportSubject subject, ExportMode mode) {
             using var ctx = new AppDbContext();
             IQueryable<DeliveryPart> query;