diff --git a/HardwareShop/HardwareShopDatabaseImplement/Models/User.cs b/HardwareShop/HardwareShopDatabaseImplement/Models/User.cs
index cffda4a..a13627a 100644
--- a/HardwareShop/HardwareShopDatabaseImplement/Models/User.cs
+++ b/HardwareShop/HardwareShopDatabaseImplement/Models/User.cs
@@ -1,6 +1,11 @@
 using HardwareShopDataModels.Models;
 using HardwareShopDataModels.Enums;
-using System.ComponentModel;
+using HardwareShopContracts.BindingModels;
+using HardwareShopContracts.ViewModels;
+using HardwareShopDatabaseImplement.Models.Storekeeper;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using HardwareShopDatabaseImplement.Models.Worker;
 
 namespace HardwareShopDatabaseImplement.Models
 {
@@ -8,12 +13,71 @@ namespace HardwareShopDatabaseImplement.Models
     {
         public int Id { get; set; }
 
+        [Required]
         public string Login { get; set; } = string.Empty;
 
+        [Required]
         public string Email { get; set; } = string.Empty;
 
+        [Required]
         public string Password { get; set; } = string.Empty;
 
+        [Required]
         public UserRole Role { get; set; } = UserRole.Неизвестен;
+
+        [ForeignKey("ClientId")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        [ForeignKey("ClientId")]
+        public virtual List<Build> Builds { get; set; } = new();
+
+        [ForeignKey("ClientId")]
+        public virtual List<Comment> Comments { get; set; } = new();
+
+        [ForeignKey("ClientId")]
+        public virtual List<Purchase> Purchases { get; set; } = new();
+
+        [ForeignKey("ClientId")]
+        public virtual List<Component> Components { get; set; } = new();
+
+        [ForeignKey("ClientId")]
+        public virtual List<Good> Goods { get; set; } = new();
+
+
+        public static User? Create(UserBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new User()
+            {
+                Id = model.Id,
+                Login = model.Login,
+                Email = model.Email,
+                Password = model.Password,
+                Role = model.Role
+            };
+        }
+
+        public void Update(UserBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Login = model.Login;
+            Password = model.Password;
+            Email = model.Email;
+        }
+
+        public UserViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Login = Login,
+            Email = Email,
+            Password = Password,
+            Role = Role,
+        };
     }
 }
\ No newline at end of file
diff --git a/HardwareShop/HardwareShopDatabaseImplement/Models/Worker/Purchase.cs b/HardwareShop/HardwareShopDatabaseImplement/Models/Worker/Purchase.cs
index 7fd502c..856450f 100644
--- a/HardwareShop/HardwareShopDatabaseImplement/Models/Worker/Purchase.cs
+++ b/HardwareShop/HardwareShopDatabaseImplement/Models/Worker/Purchase.cs
@@ -3,6 +3,7 @@ using HardwareShopContracts.ViewModels;
 using HardwareShopDatabaseImplement.Models.ManyToMany;
 using HardwareShopDataModels.Enums;
 using HardwareShopDataModels.Models;
+using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Diagnostics;
 
@@ -12,12 +13,15 @@ namespace HardwareShopDatabaseImplement.Models.Worker
     {
         public int Id { get; set; }
 
+        [Required]
         public decimal Sum { get; set; }
 
+        [Required]
         public PurchaseStatus PurchaseStatus { get; set; } = PurchaseStatus.Неизвестен;
 
         public DateTime? DatePurchase { get; set; }
 
+        [Required]
         public int UserId { get; set; }
 
         public virtual User User { get; set; }