[#82] BaseDataWindow: Fixed error handling after first error to allow saving changes

Elwig/Windows/BaseDataWindow.xaml.WineAttr.cs

@@ -41,26 +41,28 @@ namespace Elwig.Windows {
             if (!_attrChanged || _attrList == null || _attrs == null || _attrIds == null)
                 return;
 
+            // delete
             var deleteAttrIds = _attrs.Where(a => a.Value == null).Select(a => a.Key).ToList();
             await ctx.WineAttributes.Where(a => deleteAttrIds.Contains(a.AttrId)).ExecuteDeleteAsync();
-            foreach (var (attr, old) in _attrIds) {
-                attr.AttrId = old;
-            }
-            foreach (var (old, attrid) in _attrs.Where(a => a.Value != null)) {
-                ctx.Update(ctx.WineAttributes.Find(old)!);
-            }
-            await ctx.SaveChangesAsync();
 
+            // update
+            ctx.UpdateRange(_attrList
+                .Where(_attrIds.ContainsKey)
+                .Select(a => {
+                    a.AttrId = _attrIds[a];
+                    ctx.Entry(a).State = EntityState.Added;
+                    return a;
+                }));
+            await ctx.SaveChangesAsync();
             foreach (var (old, attrid) in _attrs.Where(a => a.Value != null)) {
                 await ctx.Database.ExecuteSqlAsync($"UPDATE wine_attribute SET attrid = {attrid} WHERE attrid = {old}");
                 await ctx.Database.ExecuteSqlAsync($"UPDATE area_commitment_type SET vtrgid = (sortid || COALESCE(attrid, '') || COALESCE(disc, '')) WHERE attrid = {attrid}");
-                await ctx.Database.ExecuteSqlRawAsync($"UPDATE payment_variant SET data = REPLACE(REPLACE(data, '/{old}\"', '/{attrid}\"'), '/{old}-', '/{attrid}-')");
+                await ctx.Database.ExecuteSqlAsync($"UPDATE payment_variant SET data = REPLACE(REPLACE(data, {$"/{old}\""}, {$"/{attrid}\""}), {$"/{old}-"}, {$"/{attrid}-"})");
             }
 
-            foreach (var attr in _attrList.Where(a => !_attrIds.ContainsKey(a))) {
-                if (attr.AttrId == null) continue;
-                ctx.Add(attr);
-            }
+            // insert
+            ctx.AddRange(_attrList
+                .Where(a => !_attrIds.ContainsKey(a) && a.AttrId != null));
             await ctx.SaveChangesAsync();
         }