diff --git a/HardwareShop/HardwareShopDataModels/Enums/PurchaseStatus.cs b/HardwareShop/HardwareShopDataModels/Enums/PurchaseStatus.cs
new file mode 100644
index 0000000..b36a07f
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/Enums/PurchaseStatus.cs
@@ -0,0 +1,11 @@
+namespace FoodOrdersDataModels.Enums
+{
+    public enum PurchaseStatus
+    {
+        Неизвестен = -1,
+        Принят = 0,
+        Выполняется = 1,
+        Готов = 2,
+        Выдан = 3
+    }
+}
\ No newline at end of file
diff --git a/HardwareShop/HardwareShopDataModels/Enums/UserRole.cs b/HardwareShop/HardwareShopDataModels/Enums/UserRole.cs
new file mode 100644
index 0000000..63c95be
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/Enums/UserRole.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HardwareShopDataModels.Enums
+{
+    public enum UserRole
+    {
+        Работник = 1,
+        Кладовщик = 2,
+    }
+}
\ No newline at end of file
diff --git a/HardwareShop/HardwareShopDataModels/IId.cs b/HardwareShop/HardwareShopDataModels/IId.cs
new file mode 100644
index 0000000..c56b14c
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/IId.cs
@@ -0,0 +1,7 @@
+namespace HardwareShopDataModels
+{
+    public interface IId
+    {
+        int Id { get; }
+    }
+}
diff --git a/HardwareShop/HardwareShopDataModels/Models/IBuildModel.cs b/HardwareShop/HardwareShopDataModels/Models/IBuildModel.cs
new file mode 100644
index 0000000..1726cae
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/Models/IBuildModel.cs
@@ -0,0 +1,18 @@
+using FoodOrdersDataModels.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HardwareShopDataModels.Models
+{
+    public interface IBuildModel
+    {
+        decimal Price { get; }
+
+        string BuildName { get; }
+
+        int UserID { get; }
+    }
+}
diff --git a/HardwareShop/HardwareShopDataModels/Models/IClientModel.cs b/HardwareShop/HardwareShopDataModels/Models/IClientModel.cs
new file mode 100644
index 0000000..a9d6f07
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/Models/IClientModel.cs
@@ -0,0 +1,16 @@
+using HardwareShopDataModels;
+using HardwareShopDataModels.Enums;
+
+namespace FoodOrdersDataModels.Models
+{
+    public interface IClientModel : IId
+    {
+        string Login { get; }
+
+        string Email { get; }
+
+        string Password { get; }
+
+        UserRole Role { get; }
+    }
+}
\ No newline at end of file
diff --git a/HardwareShop/HardwareShopDataModels/Models/ICommentModel.cs b/HardwareShop/HardwareShopDataModels/Models/ICommentModel.cs
new file mode 100644
index 0000000..b663af7
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/Models/ICommentModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HardwareShopDataModels.Models
+{
+    public interface ICommentModel
+    {
+        string Text { get; }
+
+        int BuildID { get; }
+    }
+}
diff --git a/HardwareShop/HardwareShopDataModels/Models/IComponentModel.cs b/HardwareShop/HardwareShopDataModels/Models/IComponentModel.cs
new file mode 100644
index 0000000..d498566
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/Models/IComponentModel.cs
@@ -0,0 +1,6 @@
+namespace HardwareShopDataModels.Models
+{
+    public interface IComponentModel
+    {
+    }
+}
diff --git a/HardwareShop/HardwareShopDataModels/Models/IGoodModel.cs b/HardwareShop/HardwareShopDataModels/Models/IGoodModel.cs
new file mode 100644
index 0000000..9fb6b6c
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/Models/IGoodModel.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HardwareShopDataModels.Models
+{
+    public interface IGoodModel
+    {
+    }
+}
diff --git a/HardwareShop/HardwareShopDataModels/Models/IOrderModel.cs b/HardwareShop/HardwareShopDataModels/Models/IOrderModel.cs
new file mode 100644
index 0000000..e97d889
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/Models/IOrderModel.cs
@@ -0,0 +1,6 @@
+namespace HardwareShopDataModels.Models
+{
+    public interface IOrderModel : IId
+    {
+    }
+}
diff --git a/HardwareShop/HardwareShopDataModels/Models/IPurchaseModel.cs b/HardwareShop/HardwareShopDataModels/Models/IPurchaseModel.cs
new file mode 100644
index 0000000..42e81ae
--- /dev/null
+++ b/HardwareShop/HardwareShopDataModels/Models/IPurchaseModel.cs
@@ -0,0 +1,20 @@
+using FoodOrdersDataModels.Enums;
+
+namespace HardwareShopDataModels.Models
+{
+    public interface IPurchaseModel : IId
+    {
+        decimal Sum { get; }
+
+        PurchaseStatus Status { get; }
+
+        //через "?" обозначается что поле может быть null
+        DateTime? DatePurchase { get; }
+
+        int UserID { get; }
+
+        Dictionary<int, (IBuildModel, int)>? PurchaseBuilds { get; }
+
+        Dictionary<int, (IGoodModel, int)> PurchaseGoods { get; }
+    }
+}