Close #55: Add ProductDetailHasBeenUsedException

modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Domain/EasyAbp/EShop/Products/Products/ProductDetailHasBeenUsedException.cs

@@ -0,0 +1,13 @@
+using System;
+using Volo.Abp;
+
+namespace EasyAbp.EShop.Products.Products
+{
+    public class ProductDetailHasBeenUsedException : BusinessException
+    {
+        public ProductDetailHasBeenUsedException(Guid productDetailId) : base(
+            message: $"ProductDetail {productDetailId} has been used.")
+        {
+        }
+    }
+}

modules/EasyAbp.EShop.Products/src/EasyAbp.EShop.Products.Domain/EasyAbp/EShop/Products/Products/ProductManager.cs

@@ -164,7 +164,7 @@ namespace EasyAbp.EShop.Products.Products
             
             if (otherOwner != null)
             {
-                throw new EntityNotFoundException(typeof(ProductDetail), desiredProductDetailId);
+                throw new ProductDetailHasBeenUsedException(desiredProductDetailId);
             }
         }