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

Elwig/Windows/BaseDataWindow.xaml.AreaCom.cs

@@ -47,26 +47,26 @@ namespace Elwig.Windows {
             if (!_actChanged || _actList == null || _acts == null || _actIds == null)
                 return;
 
-            foreach (var (vtrgid, _) in _acts.Where(a => a.Value == null)) {
-                ctx.Remove(ctx.AreaCommitmentTypes.Find(vtrgid)!);
-            }
-            foreach (var (attr, old) in _actIds) {
-                attr.VtrgId = old;
-            }
-            foreach (var (old, vtrgid) in _acts.Where(a => a.Value != null)) {
-                ctx.Update(ctx.AreaCommitmentTypes.Find(old)!);
-            }
-            await ctx.SaveChangesAsync();
+            // delete
+            var delete = _acts.Where(a => a.Value == null).Select(a => a.Key).ToList();
+            await ctx.AreaCommitmentTypes.Where(v => delete.Contains(v.VtrgId)).ExecuteDeleteAsync();
 
-            foreach (var (old, vtrgid) in _acts.Where(a => a.Value != null)) {
+            // update
+            ctx.UpdateRange(_actList
+                .Where(_actIds.ContainsKey)
+                .Select(t => {
+                    t.VtrgId = _actIds[t];
+                    ctx.Entry(t).State = EntityState.Added;
+                    return t;
+                }));
+            await ctx.SaveChangesAsync();
+            foreach (var (old, vtrgid) in _acts.Where(a => a.Value != null && a.Key != a.Value)) {
                 await ctx.Database.ExecuteSqlAsync($"UPDATE area_commitment_type SET vtrgid = {vtrgid} WHERE vtrgid = {old}");
             }
-            await ctx.SaveChangesAsync();
 
-            foreach (var type in _actList.Where(a => !_actIds.ContainsKey(a))) {
-                if (type.VtrgId == null) continue;
-                ctx.Add(type);
-            }
+            // insert
+            ctx.AddRange(_actList
+                .Where(t => !_actIds.ContainsKey(t) && t.VtrgId != null));
             await ctx.SaveChangesAsync();
         }
 
@@ -125,7 +125,7 @@ namespace Elwig.Windows {
             var id = AreaCommitmentTypeIdInput.Text;
             if (old != null) _acts[old] = id;
             attr.VtrgId = id;
-            attr.SortId = v?.SortId;
+            attr.SortId = v?.SortId ?? "";
             attr.AttrId = a?.AttrId;
             attr.MinKgPerHa = AreaCommitmentTypeMinKgPerHaInput.Text.Length > 0 ? int.Parse(AreaCommitmentTypeMinKgPerHaInput.Text) : null;
             attr.PenaltyPerKg = AreaCommitmentTypePenaltyPerKgInput.Text.Length > 0 ? decimal.Parse(AreaCommitmentTypePenaltyPerKgInput.Text) : null;