Создал классы логики, нужно реализовать

InternetShop/InternetShopLogics/InternetShopLogics.csproj

@@ -6,4 +6,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\InternetShopContracts\InternetShopContracts.csproj" />
+  </ItemGroup>
+
 </Project>

InternetShop/InternetShopLogics/Logics/OrderLogic.cs

@@ -0,0 +1,43 @@
+using InternetShopContracts.DataBindingModels;
+using InternetShopContracts.DataSearchModels;
+using InternetShopContracts.DataViewModels;
+using InternetShopContracts.LogicsContracts;
+using InternetShopContracts.StorageContracts;
+
+namespace InternetShopLogics.Logics
+{
+    public class OrderLogic : IOrderLogic
+    {
+        private IOrderStorage _orderStorage;
+
+        public OrderLogic(IOrderStorage orderStorage)
+        {
+            _orderStorage = orderStorage;
+        }
+
+        public bool Create(OrderBindingModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool Delete(OrderBindingModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public OrderViewModel? ReadElement(OrderSearchModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<OrderViewModel> ReadList(OrderSearchModel? model = null)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool Update(OrderBindingModel model)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

InternetShop/InternetShopLogics/Logics/ProductLogic.cs

@@ -0,0 +1,35 @@
+using InternetShopContracts.DataBindingModels;
+using InternetShopContracts.DataSearchModels;
+using InternetShopContracts.DataViewModels;
+using InternetShopContracts.LogicsContracts;
+
+namespace InternetShopLogics.Logics
+{
+    public class ProductLogic : IProductLogic
+    {
+        public bool Create(ProductBindingModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool Delete(ProductBindingModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public ProductViewModel? ReadElement(ProductSearchModel model)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<ProductViewModel> ReadList(ProductSearchModel? model = null)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool Update(ProductBindingModel model)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}