ComputersShop/ComputersShopListImplement/Implements/ShopStorage.cs

@@ -2,6 +2,7 @@
 using ComputersShopContracts.SearchModels;
 using ComputersShopContracts.StoragesContracts;
 using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
 using ComputersShopListImplement.Models;
 using System;
 using System.Collections.Generic;
@@ -107,6 +108,11 @@ namespace ComputersShopListImplement.Implements
             return newShop.GetViewModel;
         }
 
+        public bool SellComputers(IComputerModel model, int quantity)
+        {
+            throw new NotImplementedException();
+        }
+
         public ShopViewModel? Update(ShopBindingModel model)
         {
             foreach (var Shop in _source.Shops)

ComputersShop/ComputersShopListImplement/Models/Shop.cs

@@ -55,5 +55,7 @@ namespace ComputersShopListImplement.Models
             DateOpening = DateOpening,
             Computers = Computers
         };
+
+        public int Capacity => throw new NotImplementedException();
     }
 }