BlacksmithWorkshop/BlacksmithWorkshopBusinessLogic/BusinessLogic/ShopLogic.cs

@@ -79,13 +79,18 @@ namespace BlacksmithWorkshopBusinessLogic.BusinessLogic
             _logger.LogInformation("AddManufacture. ShopName:{ShopName}. Id: {Id}", model?.ShopName, model?.Id);
             var shop = _shopStorage.GetElement(model);
 
-            if (shop == null || !CheckShopCount(shop, count))
+            if (shop == null)
             {
                 _logger.LogWarning("Add Manufacture operation failed");
 
                 return false;
             }
 
+            if (shop.MaxCountManufactures - shop.Manufactures.Select(x => x.Value.Item2).Sum() < count)
+            {
+                throw new ArgumentNullException("Слишком много изделий для одного магазина", nameof(count));
+            }
+
             if (!shop.Manufactures.ContainsKey(manufacture.Id))
             {
                 shop.Manufactures[manufacture.Id] = (manufacture, count);
@@ -107,24 +112,6 @@ namespace BlacksmithWorkshopBusinessLogic.BusinessLogic
             return true;
         }
 
-        //проверка на переполнение магазина
-        private bool CheckShopCount(ShopViewModel model, int count)
-        {
-            int _countManufactures = 0;
-
-            foreach (var manufacture in model.Manufactures)
-            {
-                _countManufactures += model.Manufactures[manufacture.Key].Item2;
-            }
-
-            if(_countManufactures + count > model.MaxCountManufactures)
-            {
-                return false;
-            }
-
-            return true;
-        }
-
         public bool Create(ShopBindingModel model)
         {
             CheckModel(model);