Creating models and some realization

ComputerShopProvider/ComputerShopDatabaseImplement/Models/EquipmentReceiving.cs

@@ -0,0 +1,53 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Enums;
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+    internal class EquipmentReceiving : IEquipmentReceivingModel
+    {
+
+        public DateTime? DateImplement { get; private set; }
+
+        public int Id { get; set; }
+        public EquipmentReceivingStatus Status { get; private set; } = EquipmentReceivingStatus.Неизвестен;
+
+        public static EquipmentReceiving? Create(EquipmentReceivingBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new EquipmentReceiving
+            {
+                Status = model.Status,
+                DateImplement = model.DateImplement,
+                Id = model.Id,
+            };
+        }
+
+        public void Update(EquipmentReceivingBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public EquipmentReceivingViewModel GetViewModel => new()
+        {        
+            DateImplement = DateImplement,
+            Id = Id,
+            Status = Status,
+        };
+    }
+}

ComputerShopProvider/ComputerShopDatabaseImplement/Models/Supply.cs

@@ -0,0 +1,114 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Enums;
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+    internal class Supply : ISupplyModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public SupplyStatus Status { get; private set; } = SupplyStatus.Неизвестен;
+        [Required]
+
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+
+        public int OrderId { get; set; }
+
+        public int ReceivingId { get; set; }
+        private Dictionary<int, (IOrderModel, int)>? _supplyOrders =
+        null;
+        [NotMapped]
+        public Dictionary<int, (IOrderModel, int)> SupplyOrders
+        {
+            get
+            {
+                if (_supplyOrders == null)
+                {
+                    _supplyOrders = Orders
+                    .ToDictionary(recPC => recPC.OrderId, recPC =>
+                    (recPC.Order as IOrderModel, recPC.Count));
+                }
+                return _supplyOrders;
+            }
+        }
+        [ForeignKey("SupplyId")]
+        public virtual List<SupplyOrder> Orders { get; set; } = new();
+        [ForeignKey("SupplyId")]
+        public virtual List<EquipmentReceiving> Receivings { get; set; } = new();
+    
+        public static Supply Create(ComputerShopDatabase context, SupplyBindingModel model)
+        {
+            return new Supply
+            {
+                Id = model.Id,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                Orders = model.SupplyOrders.Select(x => new
+                SupplyOrder
+                {
+                    Order = context.Orders.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(SupplyBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+        public SupplyViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Status = Status,           
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            SupplyOrders = SupplyOrders
+        };
+        public void UpdateOrders(ComputerShopDatabase context, SupplyBindingModel model)
+        {
+            var SupplyOrders = context.SupplyOrders.Where(rec =>
+            rec.Id == model.Id).ToList();
+            if (SupplyOrders != null && SupplyOrders.Count > 0)
+            { // удалили те, которых нет в модели
+                context.SupplyOrders.RemoveRange(SupplyOrders.Where(rec
+                => !model.SupplyOrders.ContainsKey(rec.OrderId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateOrder in SupplyOrders)
+                {
+                    updateOrder.Count = model.SupplyOrders[updateOrder.OrderId].Item2;
+                    model.SupplyOrders.Remove(updateOrder.OrderId);
+                }
+                context.SaveChanges();
+            }
+            var supply = context.Supplies.First(x => x.Id == Id);
+            foreach (var pc in model.SupplyOrders)
+            {
+                context.SupplyOrders.Add(new SupplyOrder
+                {
+                    Supply = supply,
+                    Order = context.Orders.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _supplyOrders = null;
+        }
+    }
+}

ComputerShopProvider/ComputerShopDatabaseImplement/Models/SupplyOrder.cs

@@ -11,10 +11,10 @@ namespace ComputerShopDatabaseImplement.Models
     {
         public int Id { get; set; }
         [Required]
-        public int SupplyId { get; set; }
-        [Required]
         public int OrderId { get; set; }
         [Required]
+        public int SupplyId { get; set; }
+        [Required]
         public int Count { get; set; }
         public virtual Order Order { get; set; } = new();
         public virtual Supply Supply { get; set; } = new();