FlowerShopBusinessLogic/ShopLogic.cs

@@ -42,8 +42,32 @@ namespace FlowerShopBusinessLogic
         public bool MakeSupply(ShopSearchModel model, IFlowerModel flower, int count)
         {
             if (model == null)
-                return false;
-            return SupplyFlowers(model, flower, count);
+                throw new ArgumentNullException(nameof(model));
+            if (flower == null)
+                throw new ArgumentNullException(nameof(flower));
+            if (count <= 0)
+                throw new ArgumentNullException("Количество должно быть положительным числом");
+
+            var curModel = _shopStorage.GetElement(model);
+            if (curModel == null)
+                throw new ArgumentNullException(nameof(curModel));
+            if (curModel.ShopFlowers.TryGetValue(flower.Id, out var pair))
+            {
+                curModel.ShopFlowers[flower.Id] = (pair.Item1, pair.Item2 + count);
+            }
+            else
+            {
+                curModel.ShopFlowers.Add(flower.Id, (flower, count));
+            }
+            Update(new()
+            {
+                Id = curModel.Id,
+                ShopName = curModel.ShopName,
+                DateOpen = curModel.DateOpen,
+                Address = curModel.Address,
+                ShopFlowers = curModel.ShopFlowers,
+            });
+            return true;
         }
 
         public ShopViewModel ReadElement(ShopSearchModel model)
@@ -131,36 +155,5 @@ namespace FlowerShopBusinessLogic
                 throw new InvalidOperationException("Магазин с таким названием уже есть");
             }
         }
-
-        public bool SupplyFlowers(ShopSearchModel model, IFlowerModel flower, int count)
-        {
-            if (model == null)
-                throw new ArgumentNullException(nameof(model));
-            if (flower == null)
-                throw new ArgumentNullException(nameof(flower));
-            if (count <= 0)
-                throw new ArgumentNullException("Количество должно быть положительным числом");
-
-            var curModel = _shopStorage.GetElement(model);
-            if (curModel == null)
-                throw new ArgumentNullException(nameof(curModel));
-            if (curModel.ShopFlowers.TryGetValue(flower.Id, out var pair))
-            {
-                curModel.ShopFlowers[flower.Id] = (pair.Item1, pair.Item2 + count);
-            }
-            else
-            {
-                curModel.ShopFlowers.Add(flower.Id, (flower, count));
-            }
-            Update(new()
-            {
-                Id = curModel.Id,
-                ShopName = curModel.ShopName,
-                DateOpen = curModel.DateOpen,
-                Address = curModel.Address,
-                ShopFlowers = curModel.ShopFlowers,
-            });
-            return true;
-        }
     }
 }

FlowerShopContracts/StoragesContracts/IShopStorage.cs

@@ -18,6 +18,5 @@ namespace FlowerShopContracts.StoragesContracts
         ShopViewModel? Insert(ShopBindingModel model);
         ShopViewModel? Update(ShopBindingModel model);
         ShopViewModel? Delete(ShopBindingModel model);
-        //bool SupplyFlowers(ShopSearchModel model, IFlowerModel flower, int Count);
     }
 }