Сделаная 3 хард

.gitignore

@@ -398,3 +398,4 @@ FodyWeavers.xsd
 # JetBrains Rider
 *.sln.iml
 
+*.dll

ComputersShop/ComputersShopBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -59,7 +59,7 @@ namespace ComputersShopBusinessLogic.BusinessLogics
             if (model.Status == OrderStatus.Готов)
             {
 
-                model.DateImplement = DateTime.Now;
+                model.DateImplement = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
                 var computer = _computerStorage.GetElement(new() { Id = viewModel.ComputerId });
                 if (computer == null)
                 {

ComputersShop/ComputersShopContracts/BindingModels/ShopBindingModel.cs

@@ -12,7 +12,7 @@ namespace ComputersShopContracts.BindingModels
 		public int Id { get; set; }
 		public string ShopName { get; set; } = string.Empty;
 		public string ShopAddress { get; set; } = string.Empty;
-		public DateTime DateOpening { get; set; } = DateTime.Now;
+		public DateTime DateOpening { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
 		public Dictionary<int, (IComputerModel, int)> Computers { get; set; } = new();
         public int Capacity { get; set; }
     }

ComputersShop/ComputersShopContracts/ViewModels/OrderViewModel.cs

@@ -23,7 +23,7 @@ namespace ComputersShopContracts.ViewModels
 		[DisplayName("Статус")]
 		public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
 		[DisplayName("Дата создания")]
-		public DateTime DateCreate { get; set; } = DateTime.Now;
+		public DateTime DateCreate { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
 		[DisplayName("Дата выполнения")]
 		public DateTime? DateImplement { get; set; }
 	}

ComputersShop/ComputersShopContracts/ViewModels/ShopViewModel.cs

@@ -18,7 +18,7 @@ namespace ComputersShopContracts.ViewModels
 		[DisplayName("Адрес магазина")]
 		public string ShopAddress { get; set; } = string.Empty;
 		[DisplayName("Дата открытия")]
-		public DateTime DateOpening { get; set; } = DateTime.Now;
+		public DateTime DateOpening { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
         [DisplayName("Вместимость магазина")]
         public int Capacity { get; set; }
     }

ComputersShop/ComputersShopDataBaseImplement/ComputersShopDataBase.cs

@@ -14,7 +14,7 @@ namespace ComputersShopDataBaseImplement
         {
             if (optionsBuilder.IsConfigured == false)
             {
-                optionsBuilder.UseNpgsql(@"Host=localhost;Port=5432;Database=ComputersShopDatabaseFull;Username=postgres;Password=adam200396789");
+                optionsBuilder.UseNpgsql(@"Host=localhost;Port=5432;Database=ComputersShopDatabaseHard;Username=postgres;Password=adam200396789");
             }
             base.OnConfiguring(optionsBuilder);
         }
@@ -22,6 +22,8 @@ namespace ComputersShopDataBaseImplement
         public virtual DbSet<Computer> Computers { set; get; }
         public virtual DbSet<ComputerComponent> ComputerComponents { set; get; }
         public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<ShopComputer> ShopComputers { set; get; }
+        public virtual DbSet<Shop> Shops { set; get; } 
     }
 }
 

ComputersShop/ComputersShopDataBaseImplement/Implements/ShopStorage.cs

@@ -0,0 +1,154 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataBaseImplement.Models;
+using ComputersShopDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopDataBaseImplement.Implements
+{
+	public class ShopStorage : IShopStorage
+	{
+		public ShopViewModel? Delete(ShopBindingModel model)
+		{
+			using var context = new ComputersShopDataBase();
+			var element = context.Shops
+				.Include(x => x.shopComputers)
+				.FirstOrDefault(rec => rec.Id == model.Id);
+			if (element != null)
+			{
+				context.Shops.Remove(element);
+				context.SaveChanges();
+				return element.GetViewModel;
+			}
+			return null;
+		}
+
+		public ShopViewModel? GetElement(ShopSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.ShopName) && !model.Id.HasValue)
+			{
+				return null;
+			}
+			using var context = new ComputersShopDataBase();
+			return context.Shops
+				.Include(x => x.shopComputers)
+				.ThenInclude(x => x.Computer)
+				.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ShopName) && x.ShopName == model.ShopName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+		}
+
+		public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.ShopName))
+			{
+				return new();
+			}
+			using var context = new ComputersShopDataBase();
+			return context.Shops
+				.Include(x => x.shopComputers)
+				.ThenInclude(x => x.Computer)
+				.Where(x => x.ShopName.Contains(model.ShopName))
+				.ToList()
+				.Select(x => x.GetViewModel)
+				.ToList();
+		}
+
+		public List<ShopViewModel> GetFullList()
+		{
+			using var context = new ComputersShopDataBase();
+			return context.Shops
+				.Include(x => x.shopComputers)
+				.ThenInclude(x => x.Computer)
+				.ToList()
+				.Select(x => x.GetViewModel)
+				.ToList();
+		}
+
+		public ShopViewModel? Insert(ShopBindingModel model)
+		{
+			using var context = new ComputersShopDataBase();
+			var newComputer = Shop.Create(context, model);
+			if (newComputer == null)
+			{
+				return null;
+			}
+			context.Shops.Add(newComputer);
+			context.SaveChanges();
+			return newComputer.GetViewModel;
+		}
+
+		public bool SellComputers(IComputerModel model, int quantity)
+		{
+			using var context = new ComputersShopDataBase();
+			using var transaction = context.Database.BeginTransaction();
+			try
+			{
+				List<Shop> shopsWithComputer = context.Shops.Include(x => x.shopComputers).ThenInclude(x => x.Computer).Where(x => x.shopComputers.Any(x => x.ComputerId == model.Id)).ToList();
+				foreach (var shop in shopsWithComputer)
+				{
+					int computerInShopCount = shop.Computers[model.Id].Item2;
+					if (quantity - computerInShopCount >= 0)
+					{
+						quantity -= computerInShopCount;
+						context.ShopComputers.Remove(shop.shopComputers.FirstOrDefault(x => x.ComputerId == model.Id)!);
+						shop.Computers.Remove(model.Id);
+					}
+					else
+					{
+						shop.Computers[model.Id] = (model, computerInShopCount - quantity);
+						quantity = 0;
+						shop.UpdateComputers(context, new()
+						{
+							Id = shop.Id,
+							Computers = shop.Computers
+						});
+					}
+					if (quantity == 0)
+					{
+						context.SaveChanges();
+						transaction.Commit();
+						return true;
+					}
+				}
+				transaction.Rollback();
+				return false;
+			}
+			catch
+			{
+				transaction.Rollback();
+				throw;
+			}
+		}
+
+		public ShopViewModel? Update(ShopBindingModel model)
+		{
+			using var context = new ComputersShopDataBase();
+			using var transaction = context.Database.BeginTransaction();
+			try
+			{
+				var shop = context.Shops.FirstOrDefault(rec =>
+				rec.Id == model.Id);
+				if (shop == null)
+				{
+					return null;
+				}
+				shop.Update(model);
+				context.SaveChanges();
+				shop.UpdateComputers(context, model);
+				transaction.Commit();
+				return shop.GetViewModel;
+			}
+			catch
+			{
+				transaction.Rollback();
+				throw;
+			}
+		}
+	}
+}

ComputersShop/ComputersShopDataBaseImplement/Migrations/20230504182237_InitMig.Designer.cs

@@ -12,8 +12,8 @@ using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 namespace ComputersShopDataBaseImplement.Migrations
 {
     [DbContext(typeof(ComputersShopDataBase))]
-    [Migration("20230227200236_Init")]
-    partial class Init
+    [Migration("20230504182237_InitMig")]
+    partial class InitMig
     {
         /// <inheritdoc />
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
@@ -124,6 +124,59 @@ namespace ComputersShopDataBaseImplement.Migrations
                     b.ToTable("Orders");
                 });
 
+            modelBuilder.Entity("ComputersShopDataBaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateOpening")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ShopAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("ComputersShopDataBaseImplement.Models.ShopComputer", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComputerId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComputerId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopComputers");
+                });
+
             modelBuilder.Entity("ComputersShopDataBaseImplement.Models.ComputerComponent", b =>
                 {
                     b.HasOne("ComputersShopDataBaseImplement.Models.Component", "Component")
@@ -145,13 +198,30 @@ namespace ComputersShopDataBaseImplement.Migrations
 
             modelBuilder.Entity("ComputersShopDataBaseImplement.Models.Order", b =>
                 {
-                    b.HasOne("ComputersShopDataBaseImplement.Models.Computer", "Computer")
+                    b.HasOne("ComputersShopDataBaseImplement.Models.Computer", null)
                         .WithMany("Orders")
                         .HasForeignKey("ComputerId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputersShopDataBaseImplement.Models.ShopComputer", b =>
+                {
+                    b.HasOne("ComputersShopDataBaseImplement.Models.Computer", "Computer")
+                        .WithMany()
+                        .HasForeignKey("ComputerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputersShopDataBaseImplement.Models.Shop", "Shop")
+                        .WithMany("shopComputers")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
 
                     b.Navigation("Computer");
+
+                    b.Navigation("Shop");
                 });
 
             modelBuilder.Entity("ComputersShopDataBaseImplement.Models.Component", b =>
@@ -165,6 +235,11 @@ namespace ComputersShopDataBaseImplement.Migrations
 
                     b.Navigation("Orders");
                 });
+
+            modelBuilder.Entity("ComputersShopDataBaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("shopComputers");
+                });
 #pragma warning restore 612, 618
         }
     }

ComputersShop/ComputersShopDataBaseImplement/Migrations/20230504182237_InitMig.cs

@@ -7,7 +7,7 @@ using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
 namespace ComputersShopDataBaseImplement.Migrations
 {
     /// <inheritdoc />
-    public partial class Init : Migration
+    public partial class InitMig : Migration
     {
         /// <inheritdoc />
         protected override void Up(MigrationBuilder migrationBuilder)
@@ -40,6 +40,22 @@ namespace ComputersShopDataBaseImplement.Migrations
                     table.PrimaryKey("PK_Computers", x => x.Id);
                 });
 
+            migrationBuilder.CreateTable(
+                name: "Shops",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ShopName = table.Column<string>(type: "text", nullable: false),
+                    ShopAddress = table.Column<string>(type: "text", nullable: false),
+                    DateOpening = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    Capacity = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shops", x => x.Id);
+                });
+
             migrationBuilder.CreateTable(
                 name: "ComputerComponents",
                 columns: table => new
@@ -91,6 +107,33 @@ namespace ComputersShopDataBaseImplement.Migrations
                         onDelete: ReferentialAction.Cascade);
                 });
 
+            migrationBuilder.CreateTable(
+                name: "ShopComputers",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ShopId = table.Column<int>(type: "integer", nullable: false),
+                    ComputerId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ShopComputers", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ShopComputers_Computers_ComputerId",
+                        column: x => x.ComputerId,
+                        principalTable: "Computers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ShopComputers_Shops_ShopId",
+                        column: x => x.ShopId,
+                        principalTable: "Shops",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
             migrationBuilder.CreateIndex(
                 name: "IX_ComputerComponents_ComponentId",
                 table: "ComputerComponents",
@@ -105,6 +148,16 @@ namespace ComputersShopDataBaseImplement.Migrations
                 name: "IX_Orders_ComputerId",
                 table: "Orders",
                 column: "ComputerId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopComputers_ComputerId",
+                table: "ShopComputers",
+                column: "ComputerId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopComputers_ShopId",
+                table: "ShopComputers",
+                column: "ShopId");
         }
 
         /// <inheritdoc />
@@ -116,11 +169,17 @@ namespace ComputersShopDataBaseImplement.Migrations
             migrationBuilder.DropTable(
                 name: "Orders");
 
+            migrationBuilder.DropTable(
+                name: "ShopComputers");
+
             migrationBuilder.DropTable(
                 name: "Components");
 
             migrationBuilder.DropTable(
                 name: "Computers");
+
+            migrationBuilder.DropTable(
+                name: "Shops");
         }
     }
 }

ComputersShop/ComputersShopDataBaseImplement/Migrations/ComputersShopDataBaseModelSnapshot.cs

@@ -121,6 +121,59 @@ namespace ComputersShopDataBaseImplement.Migrations
                     b.ToTable("Orders");
                 });
 
+            modelBuilder.Entity("ComputersShopDataBaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateOpening")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ShopAddress")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("ComputersShopDataBaseImplement.Models.ShopComputer", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComputerId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComputerId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopComputers");
+                });
+
             modelBuilder.Entity("ComputersShopDataBaseImplement.Models.ComputerComponent", b =>
                 {
                     b.HasOne("ComputersShopDataBaseImplement.Models.Component", "Component")
@@ -142,13 +195,30 @@ namespace ComputersShopDataBaseImplement.Migrations
 
             modelBuilder.Entity("ComputersShopDataBaseImplement.Models.Order", b =>
                 {
-                    b.HasOne("ComputersShopDataBaseImplement.Models.Computer", "Computer")
+                    b.HasOne("ComputersShopDataBaseImplement.Models.Computer", null)
                         .WithMany("Orders")
                         .HasForeignKey("ComputerId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
+                });
+
+            modelBuilder.Entity("ComputersShopDataBaseImplement.Models.ShopComputer", b =>
+                {
+                    b.HasOne("ComputersShopDataBaseImplement.Models.Computer", "Computer")
+                        .WithMany()
+                        .HasForeignKey("ComputerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("ComputersShopDataBaseImplement.Models.Shop", "Shop")
+                        .WithMany("shopComputers")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
 
                     b.Navigation("Computer");
+
+                    b.Navigation("Shop");
                 });
 
             modelBuilder.Entity("ComputersShopDataBaseImplement.Models.Component", b =>
@@ -162,6 +232,11 @@ namespace ComputersShopDataBaseImplement.Migrations
 
                     b.Navigation("Orders");
                 });
+
+            modelBuilder.Entity("ComputersShopDataBaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("shopComputers");
+                });
 #pragma warning restore 612, 618
         }
     }

ComputersShop/ComputersShopDataBaseImplement/Models/Shop.cs

@@ -0,0 +1,109 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Net;
+
+namespace ComputersShopDataBaseImplement.Models
+{
+	public class Shop : IShopModel
+	{
+		public int Id { get; set; }
+		[Required]
+		public string ShopName { get; set; } = string.Empty;
+		[Required]
+		public string ShopAddress { get; set; } = string.Empty;
+		[Required]
+		public DateTime DateOpening { get; set; }
+		[Required]
+		public int Capacity { get; set; }
+
+		private Dictionary<int, (IComputerModel, int)>? _computers = null;
+
+		[NotMapped]
+		public Dictionary<int, (IComputerModel, int)> Computers
+		{
+			get
+			{
+				if (_computers == null)
+				{
+					_computers = shopComputers
+							.ToDictionary(rec => rec.ComputerId,
+								rec => (rec.Computer as IComputerModel,
+								rec.Count));
+				}
+				return _computers;
+			}
+		}
+		[ForeignKey("ShopId")]
+		public virtual List<ShopComputer> shopComputers { get; set; } = new();
+		public static Shop Create(ComputersShopDataBase context, ShopBindingModel model)
+		{
+			return new Shop()
+			{
+				Id = model.Id,
+				ShopName = model.ShopName,
+				ShopAddress = model.ShopAddress,
+				DateOpening = model.DateOpening,
+				Capacity = model.Capacity,
+				shopComputers = model.Computers.Select(x => new ShopComputer
+				{
+					Computer = context.Computers.First(y => y.Id == x.Key),
+					Count = x.Value.Item2
+				}).ToList()
+			};
+		}
+
+		public void Update(ShopBindingModel model)
+		{
+			ShopName = model.ShopName;
+			ShopAddress = model.ShopAddress;
+			DateOpening = model.DateOpening;
+			Capacity = model.Capacity;
+		}
+
+		public ShopViewModel GetViewModel => new()
+		{
+			Id = Id,
+			ShopName = ShopName,
+			ShopAddress = ShopAddress,
+			DateOpening = DateOpening,
+			Capacity = Capacity,
+			Computers = Computers
+		};
+
+		public void UpdateComputers(ComputersShopDataBase context, ShopBindingModel model)
+		{
+			var computers = context.ShopComputers.Where(rec => rec.ShopId == model.Id).ToList();
+			if (computers != null && computers.Count > 0)
+			{
+				context.ShopComputers.RemoveRange(computers.Where(rec => !model.Computers.ContainsKey(rec.ComputerId)));
+				context.SaveChanges();
+				foreach (var computer in computers)
+				{
+					computer.Count = model.Computers[computer.ComputerId].Item2;
+					model.Computers.Remove(computer.ComputerId);
+				}
+				context.SaveChanges();
+			}
+			var shop = context.Shops.First(x => x.Id == Id);
+			foreach (var id in model.Computers)
+			{
+				context.ShopComputers.Add(new ShopComputer
+				{
+					Shop = shop,
+					Computer = context.Computers.First(x => x.Id == id.Key),
+					Count = id.Value.Item2
+				});
+				context.SaveChanges();
+			}
+			_computers = null;
+		}
+	}
+}

ComputersShop/ComputersShopDataBaseImplement/Models/ShopComputer.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopDataBaseImplement.Models
+{
+	public class ShopComputer
+	{
+		public int Id { get; set; }
+
+		[Required]
+		public int ShopId { get; set; }
+
+		[Required]
+		public int ComputerId { get; set; }
+
+		[Required]
+		public int Count { get; set; }
+
+		public virtual Computer Computer { get; set; } = new();
+
+		public virtual Shop Shop { get; set; } = new();
+	}
+}

ComputersShop/ComputersShopView/FormShop.cs

@@ -100,7 +100,7 @@ namespace ComputersShopView
                     Id = _id ?? 0,
                     ShopName = textBoxName.Text,
                     ShopAddress = textBoxAddress.Text,
-                    DateOpening = dateTimePicker.Value.Date,
+                    DateOpening = DateTime.SpecifyKind(DateTime.Parse(dateTimePicker.Text), DateTimeKind.Utc),
                     Capacity = (int)numericUpDownCapacity.Value,
                     Computers = _shopComputers
                 };