LabWork_03 completed

FishFactory/FishFactory.sln

@@ -15,6 +15,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FishFactoryListImplement",
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FishFactoryFileImplement", "FishFactoryFileImplement\FishFactoryFileImplement.csproj", "{6C503B98-AEB3-4322-B8DF-1C0E3E294041}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FishFactoryDatabaseImplement", "FishFactoryDatabaseImplement\FishFactoryDatabaseImplement.csproj", "{CFFEEB1E-413D-4624-8C30-E6D8860A9819}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{6C503B98-AEB3-4322-B8DF-1C0E3E294041}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6C503B98-AEB3-4322-B8DF-1C0E3E294041}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{6C503B98-AEB3-4322-B8DF-1C0E3E294041}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CFFEEB1E-413D-4624-8C30-E6D8860A9819}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CFFEEB1E-413D-4624-8C30-E6D8860A9819}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CFFEEB1E-413D-4624-8C30-E6D8860A9819}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CFFEEB1E-413D-4624-8C30-E6D8860A9819}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

FishFactory/FishFactory/FishFactoryView.csproj

@@ -16,6 +16,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\FishFactoryBusinessLogic\FishFactoryBusinessLogic.csproj" />
+    <ProjectReference Include="..\FishFactoryDatabaseImplement\FishFactoryDatabaseImplement.csproj" />
     <ProjectReference Include="..\FishFactoryFileImplement\FishFactoryFileImplement.csproj" />
     <ProjectReference Include="..\FishFactoryListImplement\FishFactoryListImplement.csproj" />
   </ItemGroup>

FishFactory/FishFactory/Program.cs

@@ -4,7 +4,7 @@ using FishFactoryContracts.StoragesContracts;
 using FishFactoryView;
 using Microsoft.Extensions.DependencyInjection;
 using System;
-using FishFactoryFileImplement.Implements;
+using FishFactoryDatabaseImplement.Implements;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
 

FishFactory/FishFactoryBusinessLogic/OrderLogic.cs

@@ -60,7 +60,7 @@ namespace FishFactoryBusinessLogic.BusinessLogics
             {
                 model.Status = newStatus;
                 if (model.Status == OrderStatus.Выдан)
-                    model.DateImplement = DateTime.Now;
+                    model.DateImplement = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
                 if (_orderStorage.Update(model) == null)
                 {
                     _logger.LogWarning("Update operation failed");

FishFactory/FishFactoryContracts/BindingModels/OrderBindingModel.cs

@@ -15,7 +15,7 @@ namespace FishFactoryContracts.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; }
     }
 }

FishFactory/FishFactoryDatabaseImplement/FishFactoryDatabase.cs

@@ -0,0 +1,27 @@
+using FishFactoryDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using Npgsql.EntityFrameworkCore.PostgreSQL;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FishFactoryDatabaseImplement
+{
+    public class FishFactoryDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseNpgsql("Host=localhost;Port=5432;Database=FishFactory;Username=postgres;Password=postgres");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Canned> Canneds { set; get; }
+        public virtual DbSet<CannedComponent> CannedComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/FishFactoryDatabaseImplement.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.4" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\FishFactoryContracts\FishFactoryContracts.csproj" />
+    <ProjectReference Include="..\FishFactoryDataModels\FishFactoryDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

FishFactory/FishFactoryDatabaseImplement/Implements/CannedStorage.cs

@@ -0,0 +1,111 @@
+using FishFactoryContracts.BindingModels;
+using FishFactoryContracts.SearchModels;
+using FishFactoryContracts.StoragesContracts;
+using FishFactoryContracts.ViewModels;
+using FishFactoryDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FishFactoryDatabaseImplement.Implements
+{
+    public class CannedStorage : ICannedStorage
+    {
+        public List<CannedViewModel> GetFullList()
+        {
+            using var context = new FishFactoryDatabase();
+            return context.Canneds
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<CannedViewModel> GetFilteredList(CannedSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.CannedName))
+            {
+                return new();
+            }
+            using var context = new FishFactoryDatabase();
+            return context.Canneds
+             .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .Where(x => x.CannedName.Contains(model.CannedName))
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public CannedViewModel? GetElement(CannedSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.CannedName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FishFactoryDatabase();
+            return context.Canneds
+             .Include(x => x.Components)
+             .ThenInclude(x => x.Component)
+             .FirstOrDefault(x => (!string.IsNullOrEmpty(model.CannedName) &&
+            x.CannedName == model.CannedName) ||
+            (model.Id.HasValue && x.Id ==
+            model.Id))
+            ?.GetViewModel;
+        }
+        public CannedViewModel? Insert(CannedBindingModel model)
+        {
+            using var context = new FishFactoryDatabase();
+            var newCanned = Canned.Create(context, model);
+            if (newCanned == null)
+            {
+                return null;
+            }
+            context.Canneds.Add(newCanned);
+            context.SaveChanges();
+            return newCanned.GetViewModel;
+        }
+        public CannedViewModel? Update(CannedBindingModel model)
+        {
+            using var context = new FishFactoryDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var product = context.Canneds.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (product == null)
+                {
+                    return null;
+                }
+                product.Update(model);
+                context.SaveChanges();
+                product.UpdateComponents(context, model);
+                transaction.Commit();
+                return product.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public CannedViewModel? Delete(CannedBindingModel model)
+        {
+            using var context = new FishFactoryDatabase();
+            var element = context.Canneds
+            .Include(x => x.Components)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Canneds.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,87 @@
+    using FishFactoryContracts.BindingModels;
+using FishFactoryContracts.SearchModels;
+using FishFactoryContracts.StoragesContracts;
+using FishFactoryContracts.ViewModels;
+using FishFactoryDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FishFactoryDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage   
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new FishFactoryDatabase();
+            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 FishFactoryDatabase();
+            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 FishFactoryDatabase();
+            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 FishFactoryDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new FishFactoryDatabase();
+            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 FishFactoryDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id ==
+           model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,105 @@
+using FishFactoryContracts.BindingModels;
+using FishFactoryContracts.SearchModels;
+using FishFactoryContracts.StoragesContracts;
+using FishFactoryContracts.ViewModels;
+using FishFactoryDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FishFactoryDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new FishFactoryDatabase();
+
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+
+                return GetViewModel(element);
+            }
+
+            return null;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new FishFactoryDatabase();
+
+            return GetViewModel(context.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id)));
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            using var context = new FishFactoryDatabase();
+
+            return context.Orders.Where(x => x.Id == model.Id).Select(x => GetViewModel(x)).ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new FishFactoryDatabase();
+
+            return context.Orders.Select(x => GetViewModel(x)).ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            using var context = new FishFactoryDatabase();
+
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return GetViewModel(newOrder);
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new FishFactoryDatabase();
+
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            context.SaveChanges();
+
+            return GetViewModel(order);
+        }
+
+        private static OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+            using var context = new FishFactoryDatabase();
+            var element = context.Canneds.FirstOrDefault(x => x.Id == order.CannedId);
+            viewModel.CannedName = element.CannedName;
+            return viewModel;
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Migrations/20230227185524_MigrateInit.Designer.cs

@@ -0,0 +1,169 @@
+// <auto-generated />
+using System;
+using FishFactoryDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace FishFactoryDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FishFactoryDatabase))]
+    [Migration("20230227185524_MigrateInit")]
+    partial class MigrateInit
+    {
+        /// <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("FishFactoryDatabaseImplement.Models.Canned", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("CannedName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Canneds");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.CannedComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CannedId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CannedId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("CannedComponents");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.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("FishFactoryDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CannedId")
+                        .HasColumnType("integer");
+
+                    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>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CannedId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.CannedComponent", b =>
+                {
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Canned", "Canned")
+                        .WithMany("Components")
+                        .HasForeignKey("CannedId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Component", "Component")
+                        .WithMany("CannedComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Canned");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Canned", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("CannedId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Canned", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("CannedComponents");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Migrations/20230227185524_MigrateInit.cs

@@ -0,0 +1,126 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace FishFactoryDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class MigrateInit : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Canneds",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    CannedName = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Canneds", x => x.Id);
+                });
+
+            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: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    CannedId = 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: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Canneds_CannedId",
+                        column: x => x.CannedId,
+                        principalTable: "Canneds",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "CannedComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    CannedId = 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_CannedComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_CannedComponents_Canneds_CannedId",
+                        column: x => x.CannedId,
+                        principalTable: "Canneds",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_CannedComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CannedComponents_CannedId",
+                table: "CannedComponents",
+                column: "CannedId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CannedComponents_ComponentId",
+                table: "CannedComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_CannedId",
+                table: "Orders",
+                column: "CannedId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "CannedComponents");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Canneds");
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Migrations/FishFactoryDatabaseModelSnapshot.cs

@@ -0,0 +1,166 @@
+// <auto-generated />
+using System;
+using FishFactoryDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace FishFactoryDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FishFactoryDatabase))]
+    partial class FishFactoryDatabaseModelSnapshot : 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("FishFactoryDatabaseImplement.Models.Canned", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("CannedName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Canneds");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.CannedComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CannedId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CannedId");
+
+                    b.HasIndex("ComponentId");
+
+                    b.ToTable("CannedComponents");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.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("FishFactoryDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("CannedId")
+                        .HasColumnType("integer");
+
+                    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>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CannedId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.CannedComponent", b =>
+                {
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Canned", "Canned")
+                        .WithMany("Components")
+                        .HasForeignKey("CannedId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Component", "Component")
+                        .WithMany("CannedComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Canned");
+
+                    b.Navigation("Component");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FishFactoryDatabaseImplement.Models.Canned", null)
+                        .WithMany("Orders")
+                        .HasForeignKey("CannedId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Canned", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("FishFactoryDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("CannedComponents");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Models/Canned.cs

@@ -0,0 +1,93 @@
+using FishFactoryDataModels.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 FishFactoryContracts.BindingModels;
+using FishFactoryContracts.ViewModels;
+
+namespace FishFactoryDatabaseImplement.Models
+{
+    public class Canned : ICannedModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string CannedName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _cannedComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> CannedComponents
+        {
+            get
+            {
+                if (_cannedComponents == null)
+                {
+                    _cannedComponents = Components.ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _cannedComponents;
+            }
+        }
+        [ForeignKey("CannedId")]
+        public virtual List<CannedComponent> Components { get; set; } = new();
+        [ForeignKey("CannedId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Canned Create(FishFactoryDatabase context, CannedBindingModel model)
+        {
+            return new Canned()
+            {
+                Id = model.Id,
+                CannedName = model.CannedName,
+                Price = model.Price,
+                Components = model.CannedComponents.Select(x => new CannedComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(CannedBindingModel model)
+        {
+            CannedName = model.CannedName;
+            Price = model.Price;
+        }
+        public CannedViewModel GetViewModel => new()
+        {
+            Id = Id,
+            CannedName = CannedName,
+            Price = Price,
+            CannedComponents = CannedComponents
+        };
+        public void UpdateComponents(FishFactoryDatabase context, CannedBindingModel model)
+        {
+            var cannedComponents = context.CannedComponents.Where(rec => rec.CannedId == model.Id).ToList();
+            if (cannedComponents != null && cannedComponents.Count > 0)
+            { // удалили те, которых нет в модели
+                context.CannedComponents.RemoveRange(cannedComponents.Where(rec => !model.CannedComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in cannedComponents)
+                {
+                    updateComponent.Count = model.CannedComponents[updateComponent.ComponentId].Item2;
+                    model.CannedComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var canned = context.Canneds.First(x => x.Id == Id);
+            foreach (var pc in model.CannedComponents)
+            {
+                context.CannedComponents.Add(new CannedComponent
+                {
+                    Canned = canned,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _cannedComponents = null;
+        }
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Models/CannedComponent.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FishFactoryDatabaseImplement.Models
+{
+    public class CannedComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int CannedId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Canned Canned { get; set; } = new();
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Models/Component.cs

@@ -0,0 +1,61 @@
+using FishFactoryDataModels.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 FishFactoryContracts.BindingModels;
+using FishFactoryContracts.ViewModels;
+
+namespace FishFactoryDatabaseImplement.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<CannedComponent> CannedComponents { 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
+        };
+    }
+}

FishFactory/FishFactoryDatabaseImplement/Models/Order.cs

@@ -0,0 +1,90 @@
+using FishFactoryContracts.BindingModels;
+using FishFactoryContracts.ViewModels;
+using FishFactoryDataModels.Enums;
+using FishFactoryDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FishFactoryDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public int CannedId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+        [Required]
+
+        public double Sum { get; set; }
+        [Required]
+
+        public OrderStatus Status { get; set; }
+        [Required]
+
+        public DateTime DateCreate { get; set; }
+
+        public DateTime? DateImplement { get; set; }
+
+        public static Order? Create(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                CannedId = model.CannedId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+        public static Order Create(OrderViewModel model)
+        {
+            return new Order
+            {
+                Id = model.Id,
+                CannedId = model.CannedId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public void Update(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Id = model.Id;
+            CannedId = model.CannedId;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            CannedId = CannedId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+    }
+}