что такое безумие?

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/OrderLogic.cs

@@ -3,6 +3,7 @@ using ComputerHardwareStoreContracts.BusinessLogicsContracts;
 using ComputerHardwareStoreContracts.SearchModels;
 using ComputerHardwareStoreContracts.StorageContracts;
 using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDataModels.Enums;
 using Microsoft.Extensions.Logging;
 
 namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
@@ -78,7 +79,6 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
             model.OrderProduct = element.OrderProduct;
             model.DateCreate = element.DateCreate;
             model.Status = element.Status;
-            model.Cost = element.Cost;
 
             if (model.Status != orderStatus - 1)
             {
@@ -106,9 +106,9 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
             {
                 return;
             }
-            if (model.Cost <= 0)
+            if (model.Sum <= 0)
             {
-                throw new ArgumentNullException("Цена заказа должна быть больше 0", nameof(model.Cost));
+                throw new ArgumentNullException("Цена заказа должна быть больше 0", nameof(model.Sum));
             }
         }
     }

ComputerHardwareStore/ComputerHardwareStoreBusinessLogic/BusinessLogic/PurchaseLogic.cs

@@ -92,7 +92,7 @@ namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
             {
                 return;
             }
-            if (string.IsNullOrEmpty(model.DateCreate))
+            if (model.DateCreate == null) // TODO чего блин, всмысле нет
             {
                 throw new ArgumentNullException("Нет даты создания покупки", nameof(model.Date));
             }

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/OrderBindingModel.cs

@@ -6,12 +6,10 @@ namespace ComputerHardwareStoreContracts.BindingModels
     public class OrderBindingModel : IOrderModel
     {
         public int Id { get; set; }
-        public int CannedId { get; set; }
-        public int Count { get; set; }
-        public double Cost { get; set; }
+        public double Sum { get; set; }
         public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
         public DateTime DateCreate { get; set; } = DateTime.Now;
-        public DateTime? DateImplement { get; set; }
+        public DateTime? DateImplement { get; set; } = null;
         public Dictionary<int, (IProductModel, int)> OrderProduct { get; set; } = new();
     }
 }

ComputerHardwareStore/ComputerHardwareStoreContracts/StorageContracts/IBuildStorage.cs

@@ -4,7 +4,7 @@ using ComputerHardwareStoreContracts.ViewModels;
 
 namespace ComputerHardwareStoreContracts.StorageContracts
 {
-    public interface IBuidStorage
+    public interface IBuildStorage
     {
         List<BuildViewModel> GetFullList();
         List<BuildViewModel> GetFilteredList(BuildSearchModel model);

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/OrderViewModel.cs

@@ -1,15 +1,21 @@
-using ComputerHardwareStoreDataModels.Models;
+using ComputerHardwareStoreDataModels.Enums;
+using ComputerHardwareStoreDataModels.Models;
 using System.ComponentModel;
 
 namespace ComputerHardwareStoreContracts.ViewModels
 {
     public class OrderViewModel : IOrderModel
     {
+        [DisplayName("Номер")]
         public int Id { get; set; }
-        [DisplayName("Стоимость")]
-        public double Cost { get; set; }
+        [DisplayName("Сумма")]
+        public double Sum { get; set; }
+        [DisplayName("Статус")]
+        public OrderStatus Status { get; set; }
         [DisplayName("Дата создания")]
         public DateTime DateCreate { get; set; }
+        [DisplayName("Дата выполнения")]
+        public DateTime? DateImplement { get; set; }
         public Dictionary<int, (IProductModel, int)> OrderProduct { get; set; } = new();
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IOrderModel.cs

@@ -1,9 +1,13 @@
-namespace ComputerHardwareStoreDataModels.Models
+using ComputerHardwareStoreDataModels.Enums;
+
+namespace ComputerHardwareStoreDataModels.Models
 {
     public interface IOrderModel : IId
     {
-        double Cost { get; }
+        double Sum { get; }
+        OrderStatus Status { get; }
         DateTime DateCreate { get; }
+        DateTime? DateImplement { get; }
         public Dictionary<int, (IProductModel, int)> OrderProduct { get; }
     }
 }