Merge branch 'lab3_base' of http://student.git.athene.tech/maxKarme/PIbd-22_Karamushko_M_K_Pizzeria into lab3_hard

Pizzeria/Pizzeria.sln

@@ -13,7 +13,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaBusinessLogic", "Pi
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaListImplement", "PizzeriaListImplement\PizzeriaListImplement.csproj", "{138A775B-55CA-4120-918F-6093C0B2B241}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaFileImplement", "PizzeriaShopFileImplement\PizzeriaFileImplement.csproj", "{44B31B6F-2852-454B-9E7D-E965C9A348ED}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaFileImplement", "PizzeriaShopFileImplement\PizzeriaFileImplement.csproj", "{44B31B6F-2852-454B-9E7D-E965C9A348ED}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaDatabaseImplement", "PizzeriaDatabaseImplement\PizzeriaDatabaseImplement.csproj", "{37411F99-74EC-476C-BE13-D20015ED52B2}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -45,6 +47,10 @@ Global
 		{44B31B6F-2852-454B-9E7D-E965C9A348ED}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{44B31B6F-2852-454B-9E7D-E965C9A348ED}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{44B31B6F-2852-454B-9E7D-E965C9A348ED}.Release|Any CPU.Build.0 = Release|Any CPU
+		{37411F99-74EC-476C-BE13-D20015ED52B2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{37411F99-74EC-476C-BE13-D20015ED52B2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{37411F99-74EC-476C-BE13-D20015ED52B2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{37411F99-74EC-476C-BE13-D20015ED52B2}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Pizzeria/Pizzeria/FormMain.cs

@@ -81,7 +81,7 @@ namespace Pizzeria
                 Sum = double.Parse(dataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),
                 Status = Enum.Parse<OrderStatus>(dataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
                 PizzaId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["PizzaId"].Value.ToString()),
-                DateCreate = DateTime.Parse(dataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()),
+                DateCreate = DateTime.SpecifyKind(DateTime.Parse(dataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()), DateTimeKind.Utc),
             };
         }
         private void ButtonTakeOrderInWork_Click(object sender, EventArgs e)

Pizzeria/Pizzeria/Pizzeria.csproj

@@ -9,6 +9,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.2.1" />
@@ -16,7 +20,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\PizzeriaBusinessLogic\PizzeriaBusinessLogic.csproj" />
-    <ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
+    <ProjectReference Include="..\PizzeriaDatabaseImplement\PizzeriaDatabaseImplement.csproj" />
     <ProjectReference Include="..\PizzeriaDataModels\PizzeriaDataModels.csproj" />
     <ProjectReference Include="..\PizzeriaShopFileImplement\PizzeriaFileImplement.csproj" />
   </ItemGroup>

Pizzeria/Pizzeria/Program.cs

@@ -1,7 +1,7 @@
 using PizzeriaBusinessLogic;
 using PizzeriaContracts.BusinessLogicsContracts;
 using PizzeriaContracts.StoragesContracts;
-using PizzeriaFileImplement.Implements;
+using PizzeriaDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

Pizzeria/PizzeriaBusinessLogic/OrderLogic.cs

@@ -67,7 +67,7 @@ namespace PizzeriaBusinessLogic
 
             if(newStatus == OrderStatus.Выдан)
             {
-                model.DateImplement = DateTime.Now;
+                model.DateImplement = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
             }
 
             if (newStatus == OrderStatus.Готов)

Pizzeria/PizzeriaContracts/BindingModels/OrderBindingModel.cs

@@ -14,7 +14,7 @@ namespace PizzeriaContracts.BindingModels
         public int Count { get; set; }
         public double Sum { get; set; }
         public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
-        public DateTime DateCreate { get; set; } = DateTime.Now;
+        public DateTime DateCreate { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
         public DateTime? DateImplement { get; set; }
     }
 

Pizzeria/PizzeriaDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,83 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDatabaseImplement.models;
+namespace PizzeriaDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new PizzeriaDatabase();
+            return context.Components
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel
+       model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Components
+            .Where(x => x.ComponentName.Contains(model.ComponentName))
+           .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Components
+            .FirstOrDefault(x =>
+           (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName ==
+           model.ComponentName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            using var context = new PizzeriaDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var component = context.Components.FirstOrDefault(x => x.Id ==
+           model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id ==
+           model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,72 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDatabaseImplement.models;
+using Microsoft.EntityFrameworkCore;
+
+
+namespace PizzeriaDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new PizzeriaDatabase();
+            return context.Orders
+                .Include(x => x.Pizza)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            return context.Orders
+                .Where(x => (model.Id.HasValue && x.Id == model.Id))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            return context.Orders
+            .FirstOrDefault(x =>
+                (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            Order newOrder = Order.Create(context, model);
+
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+
+        }
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return order.GetViewModel;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+
+}

Pizzeria/PizzeriaDatabaseImplement/Implements/PizzaStorage.cs

@@ -0,0 +1,104 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDatabaseImplement.models;
+using Microsoft.EntityFrameworkCore;
+namespace PizzeriaDatabaseImplement.Implements
+{
+    public class PizzaStorage : IPizzaStorage
+    {
+        public List<PizzaViewModel> GetFullList()
+        {
+            using var context = new PizzeriaDatabase();
+            return context.Pizzas
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<PizzaViewModel> GetFilteredList(PizzaSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PizzaName))
+            {
+                return new();
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Pizzas
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .Where(x => x.PizzaName.Contains(model.PizzaName))
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public PizzaViewModel? GetElement(PizzaSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PizzaName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Pizzas
+             .Include(x => x.Components)
+             .ThenInclude(x => x.Component)
+             .FirstOrDefault(x => (!string.IsNullOrEmpty(model.PizzaName) &&
+            x.PizzaName == model.PizzaName) ||
+            (model.Id.HasValue && x.Id ==
+            model.Id))
+            ?.GetViewModel;
+        }
+        public PizzaViewModel? Insert(PizzaBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var newPizza = Pizza.Create(context, model);
+            if (newPizza == null)
+            {
+                return null;
+            }
+            context.Pizzas.Add(newPizza);
+            context.SaveChanges();
+            return newPizza.GetViewModel;
+        }
+        public PizzaViewModel? Update(PizzaBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var pizza = context.Pizzas.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (pizza == null)
+                {
+                    return null;
+                }
+                pizza.Update(model);
+                context.SaveChanges();
+                pizza.UpdateComponents(context, model);
+                transaction.Commit();
+                return pizza.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public PizzaViewModel? Delete(PizzaBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var element = context.Pizzas
+            .Include(x => x.Components)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Pizzas.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Migrations/20230228062848_Init.Designer.cs

@@ -0,0 +1,172 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using PizzeriaDatabaseImplement;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PizzeriaDatabase))]
+    [Migration("20230228062848_Init")]
+    partial class Init
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .IsRequired()
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Pizza", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("PizzaName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Pizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.PizzaComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Order", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.models.Pizza", "Pizza")
+                        .WithMany("Orders")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.PizzaComponent", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.models.Component", "Component")
+                        .WithMany("PizzaComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PizzeriaDatabaseImplement.models.Pizza", "Pizza")
+                        .WithMany("Components")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Component", b =>
+                {
+                    b.Navigation("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Pizza", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Migrations/20230228062848_Init.cs

@@ -0,0 +1,126 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class Init : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ComponentName = table.Column<string>(type: "text", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Pizzas",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    PizzaName = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Pizzas", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    PizzaId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    Sum = table.Column<double>(type: "double precision", nullable: false),
+                    Status = table.Column<int>(type: "integer", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Pizzas_PizzaId",
+                        column: x => x.PizzaId,
+                        principalTable: "Pizzas",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PizzaComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    PizzaId = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PizzaComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_PizzaComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_PizzaComponents_Pizzas_PizzaId",
+                        column: x => x.PizzaId,
+                        principalTable: "Pizzas",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_PizzaId",
+                table: "Orders",
+                column: "PizzaId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PizzaComponents_ComponentId",
+                table: "PizzaComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PizzaComponents_PizzaId",
+                table: "PizzaComponents",
+                column: "PizzaId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "PizzaComponents");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Pizzas");
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Migrations/20230228065928_Change constraint.Designer.cs

@@ -0,0 +1,171 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using PizzeriaDatabaseImplement;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PizzeriaDatabase))]
+    [Migration("20230228065928_Change constraint")]
+    partial class Changeconstraint
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Pizza", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("PizzaName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Pizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.PizzaComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Order", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.models.Pizza", "Pizza")
+                        .WithMany("Orders")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.PizzaComponent", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.models.Component", "Component")
+                        .WithMany("PizzaComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PizzeriaDatabaseImplement.models.Pizza", "Pizza")
+                        .WithMany("Components")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Component", b =>
+                {
+                    b.Navigation("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Pizza", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Migrations/20230228065928_Change constraint.cs

@@ -0,0 +1,37 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class Changeconstraint : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DateImplement",
+                table: "Orders",
+                type: "timestamp with time zone",
+                nullable: true,
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DateImplement",
+                table: "Orders",
+                type: "timestamp with time zone",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified),
+                oldClrType: typeof(DateTime),
+                oldType: "timestamp with time zone",
+                oldNullable: true);
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Migrations/PizzeriaDatabaseModelSnapshot.cs

@@ -0,0 +1,168 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using PizzeriaDatabaseImplement;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PizzeriaDatabase))]
+    partial class PizzeriaDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Pizza", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("PizzaName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Pizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.PizzaComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Order", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.models.Pizza", "Pizza")
+                        .WithMany("Orders")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.PizzaComponent", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.models.Component", "Component")
+                        .WithMany("PizzaComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PizzeriaDatabaseImplement.models.Pizza", "Pizza")
+                        .WithMany("Components")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Component", b =>
+                {
+                    b.Navigation("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.models.Pizza", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/PizzeriaDatabase.cs

@@ -0,0 +1,21 @@
+using PizzeriaDatabaseImplement.models;
+using Microsoft.EntityFrameworkCore;
+
+namespace PizzeriaDatabaseImplement
+{
+    public class PizzeriaDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseNpgsql(@"Host=localhost;Port=5432;Database=PizzeriaDatabase;Username=postgres;Password=postgres");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Pizza> Pizzas { set; get; }
+        public virtual DbSet<PizzaComponent> PizzaComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/PizzeriaDatabaseImplement.csproj

@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
+    <ProjectReference Include="..\PizzeriaDataModels\PizzeriaDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

Pizzeria/PizzeriaDatabaseImplement/models/Component.cs

@@ -0,0 +1,57 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace PizzeriaDatabaseImplement.models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ComponentName { get; private set; } = string.Empty;
+        [Required]
+        public double Cost { get; set; }
+        [ForeignKey("ComponentId")]
+        public virtual List<PizzaComponent> PizzaComponents { get; set; } =
+       new();
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public static Component Create(ComponentViewModel model)
+        {
+            return new Component
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public void Update(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/models/Order.cs

@@ -0,0 +1,72 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels;
+using System.ComponentModel.DataAnnotations;
+
+namespace PizzeriaDatabaseImplement.models
+{
+    public class Order : IOrderModel
+    {
+        [Required]
+        public int PizzaId { get; private set; }
+
+        [Required]
+        public int Count { get; private set; }
+
+        [Required]
+        public double Sum { get; private set; }
+
+        [Required]
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+
+        [Required]
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+
+        public virtual Pizza Pizza { get; set; } = new();
+
+        public int Id { get; private set; }
+
+        public static Order? Create(PizzeriaDatabase context, OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                PizzaId = model.PizzaId,
+                Pizza = context.Pizzas.FirstOrDefault(x => x.Id == model.PizzaId),
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PizzaId = PizzaId,
+            PizzaName = Pizza.PizzaName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/models/Pizza.cs

@@ -0,0 +1,97 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+
+namespace PizzeriaDatabaseImplement.models
+{
+    public class Pizza : IPizzaModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string PizzaName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _pizzaComponents =
+       null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> PizzaComponents
+        {
+            get
+            {
+                if (_pizzaComponents == null)
+                {
+                    _pizzaComponents = Components
+                    .ToDictionary(recPC => recPC.ComponentId, recPC =>
+                   (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _pizzaComponents;
+            }
+        }
+        [ForeignKey("PizzaId")]
+        public virtual List<PizzaComponent> Components { get; set; } = new();
+        [ForeignKey("PizzaId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Pizza Create(PizzeriaDatabase context, PizzaBindingModel model)
+        {
+            return new Pizza()
+            {
+                Id = model.Id,
+                PizzaName = model.PizzaName,
+                Price = model.Price,
+                Components = model.PizzaComponents.Select(x => new
+               PizzaComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(PizzaBindingModel model)
+        {
+            PizzaName = model.PizzaName;
+            Price = model.Price;
+        }
+        public PizzaViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PizzaName = PizzaName,
+            Price = Price,
+            PizzaComponents = PizzaComponents
+        };
+        public void UpdateComponents(PizzeriaDatabase context,
+       PizzaBindingModel model)
+        {
+            var pizzaComponents = context.PizzaComponents.Where(rec =>
+           rec.PizzaId == model.Id).ToList();
+            if (pizzaComponents != null && pizzaComponents.Count > 0)
+            { // удалили те, которых нет в модели
+                context.PizzaComponents.RemoveRange(pizzaComponents.Where(rec
+               => !model.PizzaComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in pizzaComponents)
+                {
+                    updateComponent.Count =
+                   model.PizzaComponents[updateComponent.ComponentId].Item2;
+                    model.PizzaComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var pizza = context.Pizzas.First(x => x.Id == Id);
+            foreach (var pc in model.PizzaComponents)
+            {
+                context.PizzaComponents.Add(new PizzaComponent
+                {
+                    Pizza = pizza,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _pizzaComponents = null;
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/models/PizzaComponent.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace PizzeriaDatabaseImplement.models
+{
+    public class PizzaComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int PizzaId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Pizza Pizza { get; set; } = new();
+    }
+}