Исправление: вычисляемое поле и метод апдейт

FurnitureAssembly/FurnitureAssemFileImplement/Implements/OrderStorage.cs

@@ -8,6 +8,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Xml.Linq;
 
 namespace FurnitureAssemFileImplement.Implements
 {
@@ -21,7 +22,7 @@ namespace FurnitureAssemFileImplement.Implements
 
         public List<OrderViewModel> GetFullList()
         {
-            return source.Orders.Select(x => x.GetViewModel).ToList();
+            return source.Orders.Select(x => GetOrderViewModel(x)).ToList();
         }
 
         public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
@@ -32,7 +33,7 @@ namespace FurnitureAssemFileImplement.Implements
             }
             return source.Orders
             .Where(x => x.Id.Equals(model.Id))
-           .Select(x => x.GetViewModel)
+           .Select(x => GetOrderViewModel(x))
            .ToList();
         }
 
@@ -42,11 +43,10 @@ namespace FurnitureAssemFileImplement.Implements
             {
                 return null;
             }
-
-            return source.Orders
+            var order = source.Orders
             .FirstOrDefault(x =>
-           (model.Id.HasValue && x.Id == model.Id))
-            ?.GetViewModel;
+           (model.Id.HasValue && x.Id == model.Id));
+            return GetOrderViewModel(order);
         }
 
         public OrderViewModel? Insert(OrderBindingModel model)
@@ -59,7 +59,7 @@ namespace FurnitureAssemFileImplement.Implements
             }
             source.Orders.Add(newOrder);
             source.SaveOrders();
-            return newOrder.GetViewModel;
+            return GetOrderViewModel(newOrder);
         }
 
         public OrderViewModel? Update(OrderBindingModel model)
@@ -71,7 +71,7 @@ namespace FurnitureAssemFileImplement.Implements
             }
             order.Update(model);
             source.SaveOrders();
-            return order.GetViewModel;
+            return GetOrderViewModel(order);
         }
 
         public OrderViewModel? Delete(OrderBindingModel model)
@@ -81,9 +81,23 @@ namespace FurnitureAssemFileImplement.Implements
             {
                 source.Orders.Remove(element);
                 source.SaveOrders();
-                return element.GetViewModel;
+                return GetOrderViewModel(element);
             }
             return null;
         }
+
+        private OrderViewModel GetOrderViewModel(Order order)
+        {
+            OrderViewModel orderViewModel = order.GetViewModel;
+
+            foreach (var furniture in source.Furnitures)
+            {
+                if (furniture.Id == order.Id)
+                {
+                    orderViewModel.FurnitureName = furniture.FurnitureName;
+                }
+            }
+            return orderViewModel;
+        }
     }
 }

FurnitureAssembly/FurnitureAssemFileImplement/Models/Order.cs

@@ -41,7 +41,6 @@ namespace FurnitureAssemFileImplement.Models
             {
                 Id = model.Id,
                 FurnitureId = model.FurnitureId,
-                FurnitureName = model.FurnitureName,
                 Count = model.Count,
                 Sum = model.Sum,
                 Status = model.Status,
@@ -60,7 +59,6 @@ namespace FurnitureAssemFileImplement.Models
             {
                 Id = Convert.ToInt32(element.Attribute("Id")!.Value),
                 FurnitureId = Convert.ToInt32(element.Element("FurnitureId")!.Value),
-                FurnitureName = element.Element("FurnitureName")!.Value,
                 Count = Convert.ToInt32(element.Element("Count")!.Value),
                 Sum = Convert.ToDouble(element.Element("Sum")!.Value),                
                 DateCreate = DateTime.ParseExact(element.Element("DateCreate")!.Value, "G", null),                
@@ -83,12 +81,8 @@ namespace FurnitureAssemFileImplement.Models
             {
                 return;
             }
-            FurnitureId = model.FurnitureId;
-            FurnitureName = model.FurnitureName;
-            Count = model.Count;
-            Sum = model.Sum;
+           
             Status = model.Status;
-            DateCreate = model.DateCreate;
             DateImplement = model.DateImplement;
         }
 
@@ -96,7 +90,6 @@ namespace FurnitureAssemFileImplement.Models
         {
             Id = Id,
             FurnitureId = FurnitureId,
-            FurnitureName = FurnitureName,
             Count = Count,
             Sum = Sum,
             Status = Status,
@@ -107,7 +100,6 @@ namespace FurnitureAssemFileImplement.Models
         public XElement GetXElement => new("Order",
           new XAttribute("Id", Id),
           new XElement("FurnitureId", FurnitureId),
-          new XElement("FurnitureName", FurnitureName),
           new XElement("Count", Count.ToString()),
           new XElement("Sum", Sum.ToString()),
           new XElement("Status", Status.ToString()),