интерфейсы business для коммента и покупки + в модели поиска добавила поля id пользователей (ищем только из тех, что создавал сам пользователь)

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/CommentLogic.cs

@@ -92,9 +92,9 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
             {
                 return;
             }
-            if (string.IsNullOrEmpty(model.Date))
+            if (string.IsNullOrEmpty(model.Text))
             {
-                throw new ArgumentNullException("Нет даты у комментария", nameof(model.Date));
+                throw new ArgumentNullException("Нет текста комментария", nameof(model.Text));
             }
         }
     }

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/PurchaseLogic.cs

@@ -92,10 +92,6 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
             {
                 return;
             }
-            if (model.DateCreate == null) // TODO чего блин, всмысле нет
-            {
-                throw new ArgumentNullException("Нет даты создания покупки", nameof(model.Date));
-            }
             if (model.Cost <= 0)
             {
                 throw new ArgumentNullException("Стоимость покупки должна быть больше 0", nameof(model.Cost));

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IBuildLogic.cs

@@ -0,0 +1,15 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
+{
+    public interface IBuildLogic
+    {
+        List<BuildViewModel>? ReadList(BuildSearchModel? model);
+        BuildViewModel? ReadElement(BuildSearchModel model);
+        bool Create(BuildBindingModel model);
+        bool Update(BuildBindingModel model);
+        bool Delete(BuildBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/ICommentLogic.cs

@@ -0,0 +1,15 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
+{
+    public interface ICommentLogic
+    {
+        List<CommentViewModel>? ReadList(CommentSearchModel? model);
+        CommentViewModel? ReadElement(CommentSearchModel model);
+        bool Create(CommentBindingModel model);
+        bool Update(CommentBindingModel model);
+        bool Delete(CommentBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IPurchaseLogic.cs

@@ -0,0 +1,15 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.ViewModels;
+
+namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
+{
+    public interface IPurchaseLogic
+    {
+        List<PurchaseViewModel>? ReadList(PurchaseSearchModel? model);
+        PurchaseViewModel? ReadElement(PurchaseSearchModel model);
+        bool Create(PurchaseBindingModel model);
+        bool Update(PurchaseBindingModel model);
+        bool Delete(PurchaseBindingModel model);
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreContracts/BusinessLogicsContracts/IStoreKeeperLogic.cs

@@ -4,12 +4,12 @@ using ComputerHardwareStoreContracts.ViewModels;
 
 namespace ComputerHardwareStoreContracts.BusinessLogicsContracts
 {
-	public interface IStoreKeeperLogic
+    public interface IStoreKeeperLogic
     {
-		List<StoreKeeperViewModel>? ReadList(StoreKeeperSearchModel? model);
-		StoreKeeperViewModel? ReadElement(StoreKeeperSearchModel model);
-		bool Create(StoreKeeperBindingModel model);
-		bool Update(StoreKeeperBindingModel model);
-		bool Delete(StoreKeeperBindingModel model);
-	}
+        List<StoreKeeperViewModel>? ReadList(StoreKeeperSearchModel? model);
+        StoreKeeperViewModel? ReadElement(StoreKeeperSearchModel model);
+        bool Create(StoreKeeperBindingModel model);
+        bool Update(StoreKeeperBindingModel model);
+        bool Delete(StoreKeeperBindingModel model);
+    }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/ComputerHardwareStoreContracts.csproj

@@ -6,14 +6,6 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Compile Remove="BusinessLogicsContracts\IStoreKeeperLogic.cs" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <None Include="BusinessLogicsContracts\IStoreKeeperLogic.cs" />
-  </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\ComputerHardwareStoreDataModels\ComputerHardwareStoreDataModels.csproj" />
   </ItemGroup>

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/BuildSearchModel.cs

@@ -4,5 +4,6 @@
     {
         public int? Id { get; set; }
         public string? Name { get; set; }
+        public int? VendorId { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ComponentSearchModel.cs

@@ -4,5 +4,6 @@
     {
         public int? Id { get; set; }
         public string? Name { get; set; }
+        public int? StoreKeeperId { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/ProductSearchModel.cs

@@ -4,5 +4,6 @@
     {
         public int? Id { get; set; }
         public string? Name { get; set; }
+        public int? StoreKeeperId { get; set; }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/SearchModels/PurchaseSearchModel.cs

@@ -3,6 +3,7 @@
     public class PurchaseSearchModel
     {
         public int? Id { get; set; }
+        public int? VendorId { get; set; }
         public DateTime? DateFrom { get; set; }
         public DateTime? DateTo { get; set; }
     }