AutomobilePlant/AutomobilePlantContracts/BusinessLogicContracts/IShopLogic.cs

@@ -18,6 +18,6 @@ namespace AutomobilePlantContracts.BusinessLogicContracts
         bool Update(ShopBindingModel model);
         bool Delete(ShopBindingModel model);
         bool SupplyCars(ShopSearchModel model, ICarModel car, int count);
-        bool SellCar(ICarModel car, int count);
+        bool SellCar(ICarModel document, int count);
     }
 }

AutomobilePlant/AutomobilePlantDatabaseImplement/Implements/CarStorage.cs

@@ -100,7 +100,6 @@ namespace AutomobilePlantDatabaseImplement.Implements
                     }
 
                     car.Update(model);
-                    car.UpdateComponents(context, model);
 
                     context.SaveChanges();
                     context.Database.CommitTransaction();

AutomobilePlant/AutomobilePlantDatabaseImplement/Implements/ShopStorage.cs

@@ -77,17 +77,14 @@ namespace AutomobilePlantDatabaseImplement.Implements
             using var transaction = context.Database.BeginTransaction();
             try
             {
-                var shop = context.Shops.Include(x => x.Cars).FirstOrDefault(x => x.Id == model.Id);
+                var shop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
                 if (shop == null)
                 {
                     return null;
                 }
                 shop.Update(model);
                 context.SaveChanges();
-                if (model.ShopCars.Count > 0)
-                {
-                    shop.UpdateCars(context, model);
-                }
+                shop.UpdateCars(context, model);
                 transaction.Commit();
                 return shop.GetViewModel;
             }

AutomobilePlant/AutomobilePlantFileImplement/Implements/ShopStorage.cs

@@ -83,24 +83,29 @@ namespace AutomobilePlantFileImplement.Implements
 
         public bool SellCar(ICarModel model, int count)
         {
+            // переделать под linq 
+
             var car = source.Cars.FirstOrDefault(x => x.Id == model.Id);
 
+            var countStore = count;
+
             if (car == null)
             {
                 return false;
             }
 
-            var countStore = count;
-
-            var shopCars = source.Shops.SelectMany(shop => shop.ShopCars.Where(c => c.Value.Item1.Id == car.Id));
-
-            foreach (var c in shopCars)
+            foreach (var shop in source.Shops)
             {
-                count -= c.Value.Item2;
-
-                if (count <= 0)
+                foreach (var c in shop.ShopCars)
                 {
-                    break;
+                    if (c.Value.Item1.Id == car.Id)
+                    {
+                        count -= c.Value.Item2;
+                    }
+                    if (count <= 0)
+                    {
+                        break;
+                    }
                 }
             }
 
@@ -111,8 +116,9 @@ namespace AutomobilePlantFileImplement.Implements
 
             count = countStore;
 
-            foreach (var shop in source.Shops)
+            for (int i = 0; i < source.Shops.Count; i++)
             {
+                var shop = source.Shops[i];
                 var cars = shop.ShopCars;
 
                 foreach (var c in cars.Where(x => x.Value.Item1.Id == car.Id))
@@ -136,13 +142,14 @@ namespace AutomobilePlantFileImplement.Implements
                     MaxCountCars = shop.MaxCountCars,
                     ShopCars = cars
                 });
-
                 source.SaveShops();
-
-                if (count <= 0) break;
             }
 
-            return count <= 0;
+            if (count > 0)
+            {
+                return false;
+            }
+            return true;
         }
     }
 }