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Back/Data/Models/Order.cs

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+using System.ComponentModel.DataAnnotations.Schema;
+using Back.Common.Enums;
+namespace  Back.Data.Models
+{
+  
+    public class Order
+    {
+        public int ID { get; set; }
+        public int CompanyID { get; set; }
+        public int UserID { get; set; }
+        public StatusOrder Status { get; set; }
+        public string DateCreate { get; set; }
+        public string ApprovalDate { get; set; }
+        public decimal PreDiscount { get { return OrderItems.Sum(s => s.Total); } }
+        public decimal TDiscount { get; set; } = 0;
+        public decimal TPrice { get { return OrderItems.Sum(s => s.Total) - TDiscount; } }
+
+        #region Navigation
+        [ForeignKey("CompanyID")]
+        public virtual Company Company { get; set; }
+        [ForeignKey("UserID")]
+        public virtual User User { get; set; }
+        public  virtual ICollection<OrderItem> OrderItems { get; set; }
+        #endregion
+    }
+}