Adding BasketId to model to ensure cascading deletes will clean up BasketItems

src/ApplicationCore/Entities/BasketAggregate/BasketItem.cs

@@ -5,5 +5,6 @@
         public decimal UnitPrice { get; set; }
         public int Quantity { get; set; }
         public int CatalogItemId { get; set; }
+        public int BasketId { get; private set; }
     }
 }

src/ApplicationCore/Services/BasketService.cs

@@ -35,12 +35,6 @@ namespace Microsoft.eShopWeb.ApplicationCore.Services
         public async Task DeleteBasketAsync(int basketId)
         {
             var basket = await _basketRepository.GetByIdAsync(basketId);
-
-            foreach (var item in basket.Items.ToList())
-            {
-                await _basketItemRepository.DeleteAsync(item);
-            }
-
             await _basketRepository.DeleteAsync(basket);
         }