Сделал 2 сложную

MotorPlant/MotorPlantBusinessLogic/OrderLogic.cs

@@ -13,14 +13,12 @@ namespace MotorPlantBusinessLogic.BusinessLogics
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
         private readonly IShopStorage _shopStorage;
-
         public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IShopStorage shopStorage)
         {
             _logger = logger;
             _orderStorage = orderStorage;
             _shopStorage = shopStorage;
         }
-
         public List<OrderViewModel>? ReadList(OrderSearchModel? model)
         {
             _logger.LogInformation("ReadList. OrderId:{Id}", model?.Id);
@@ -33,7 +31,6 @@ namespace MotorPlantBusinessLogic.BusinessLogics
             _logger.LogInformation("ReadList. Count:{Count}", list.Count);
             return list;
         }
-
         public bool CreateOrder(OrderBindingModel model)
         {
             CheckModel(model);
@@ -50,17 +47,14 @@ namespace MotorPlantBusinessLogic.BusinessLogics
             }
             return true;
         }
-
         public bool TakeOrderInWork(OrderBindingModel model)
         {
             return ToNextStatus(model, OrderStatus.Выполняется);
         }
-
         public bool FinishOrder(OrderBindingModel model)
         {
             return ToNextStatus(model, OrderStatus.Готов);
         }
-
         public bool DeliveryOrder(OrderBindingModel model)
         {
             var order = _orderStorage.GetElement(new OrderSearchModel

MotorPlant/MotorPlantBusinessLogic/ShopLogic.cs

@@ -116,8 +116,22 @@ namespace MotorPlantBusinessLogic.BusinessLogics
                 {
                     throw new ArgumentException($"Поставка: Товар с id:{model.EngineId} не найденн");
                 }
+                if (shop.ShopEngines.Sum(kv => kv.Value.Item2) + model.Count > shop.EngineMaxCount)
+                {
+                    throw new ArgumentException("Превышена максимальная вместимость магазина");
+                }
                 shop.ShopEngines.Add(model.EngineId, (Engine, model.Count));
             }
+            _shopStorage.Update(new ShopBindingModel()
+            {
+                Id = shop.Id,
+                ShopName = shop.ShopName,
+                Adress = shop.Adress,
+                OpeningDate = shop.OpeningDate,
+                ShopEngines = shop.ShopEngines,
+                EngineMaxCount = shop.EngineMaxCount,
+            });
+
             return true;
         }
         private void CheckModel(ShopBindingModel model, bool withParams = true)

MotorPlant/MotorPlantFileImplement/Shop.cs

@@ -95,7 +95,6 @@ namespace MotorPlantFileImplement.Models
                 x => new XElement("ShopEngine", new XElement("Key", x.Key), new XElement("Value", x.Value))).ToArray()),
             new XElement("EngineMaxCount", EngineMaxCount.ToString())
             );
-
         public void EnginesUpdate()
         {
             _shopEngines = null;

MotorPlant/MotorPlantListImplement/Shop.cs

@@ -17,6 +17,7 @@ namespace MotorPlantListImplement.Models
         public DateTime OpeningDate { get; private set; }
         public Dictionary<int, (IEngineModel, int)> ShopEngines { get; private set; } = new();
         public int EngineMaxCount { get; private set; }
+
         public static Shop? Create(ShopBindingModel? model)
         {
             if (model == null)