Надежда

RenovationWork/RenovationWork.sln

@@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.8.34330.188
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RenovationWorkView", "RenovationWork\RenovationWorkView.csproj", "{0CB24AB4-7DB9-4B3B-B178-A5866CAB684D}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenovationWorkView", "RenovationWork\RenovationWorkView.csproj", "{0CB24AB4-7DB9-4B3B-B178-A5866CAB684D}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenovationWorkDataModels", "RenovationWorkDataModels\RenovationWorkDataModels.csproj", "{82B84205-6A94-434F-8A60-DD5EE186CF18}"
 EndProject
@@ -13,6 +13,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenovationWorkBusinessLogic
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenovationWorkListImplement", "RenovationWorkListImplement\RenovationWorkListImplement.csproj", "{CBEF7964-AEB9-4FE9-B85F-9FBDEE198EED}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RenovationWorkFileImplement", "RenovationWorkFileImplement\RenovationWorkFileImplement.csproj", "{C52182B7-2CA7-4D36-BC9F-81F165A4539A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RenovationWorkDatabaseImplement", "RenovationWorkDatabaseImplement\RenovationWorkDatabaseImplement.csproj", "{2BB32959-A1A6-4C2B-8C9F-68EA6D60C1EC}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,6 +43,14 @@ Global
 		{CBEF7964-AEB9-4FE9-B85F-9FBDEE198EED}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{CBEF7964-AEB9-4FE9-B85F-9FBDEE198EED}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{CBEF7964-AEB9-4FE9-B85F-9FBDEE198EED}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C52182B7-2CA7-4D36-BC9F-81F165A4539A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C52182B7-2CA7-4D36-BC9F-81F165A4539A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C52182B7-2CA7-4D36-BC9F-81F165A4539A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C52182B7-2CA7-4D36-BC9F-81F165A4539A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2BB32959-A1A6-4C2B-8C9F-68EA6D60C1EC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2BB32959-A1A6-4C2B-8C9F-68EA6D60C1EC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2BB32959-A1A6-4C2B-8C9F-68EA6D60C1EC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2BB32959-A1A6-4C2B-8C9F-68EA6D60C1EC}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

RenovationWork/RenovationWork/Program.cs

@@ -1,7 +1,7 @@
 using RenovationWorkBusinessLogic.BusinessLogics;
 using RenovationWorkContracts.BusinessLogicsContracts;
 using RenovationWorkContracts.StoragesContracts;
-using RenovationWorkListImplement.Implements;
+using RenovationWorkDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;

RenovationWork/RenovationWork/RenovationWorkView.csproj

@@ -9,6 +9,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="NLog" Version="5.2.8" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
   </ItemGroup>
@@ -16,6 +20,8 @@
   <ItemGroup>
     <ProjectReference Include="..\RenovationWorkBusinessLogic\RenovationWorkBusinessLogic.csproj" />
     <ProjectReference Include="..\RenovationWorkContracts\RenovationWorkContracts.csproj" />
+    <ProjectReference Include="..\RenovationWorkDatabaseImplement\RenovationWorkDatabaseImplement.csproj" />
+    <ProjectReference Include="..\RenovationWorkFileImplement\RenovationWorkFileImplement.csproj" />
     <ProjectReference Include="..\RenovationWorkListImplement\RenovationWorkListImplement.csproj" />
   </ItemGroup>
 

RenovationWork/RenovationWorkBusinessLogic/BusinessLogics/RepairLogic.cs

@@ -92,11 +92,11 @@ namespace RenovationWorkBusinessLogic.BusinessLogics
             }
             if (string.IsNullOrEmpty(model.RepairName))
             {
-                throw new ArgumentNullException("Нет названия компьютера", nameof(model.RepairName));
+                throw new ArgumentNullException("Нет названия ремонта", nameof(model.RepairName));
             }
             if (model.Price <= 0)
             {
-                throw new ArgumentNullException("Цена компьютера должна быть больше 0", nameof(model.Price));
+                throw new ArgumentNullException("Цена ремонта должна быть больше 0", nameof(model.Price));
             }
             _logger.LogInformation("Repair. RepairName:{RepairName}.Price:{ Price}. Id: { Id} ", model.RepairName, model.Price, model.Id);
             var element = _repairStorage.GetElement(new RepairSearchModel
@@ -105,7 +105,7 @@ namespace RenovationWorkBusinessLogic.BusinessLogics
             });
             if (element != null && element.Id != model.Id)
             {
-                throw new InvalidOperationException("Компьютер с таким названием уже есть");
+                throw new InvalidOperationException("Ремонт с таким названием уже есть");
             }
         }
     }

RenovationWork/RenovationWorkBusinessLogic/RenovationWorkBusinessLogic.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>

RenovationWork/RenovationWorkContracts/RenovationWorkContracts.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>

RenovationWork/RenovationWorkDataModels/RenovationWorkDataModels.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>

RenovationWork/RenovationWorkDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,72 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.SearchModels;
+using RenovationWorkContracts.StoragesContracts;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDatabaseImplement;
+using RenovationWorkDatabaseImplement.Models;
+
+namespace RenovationWorkDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new RenovationWorkDatabase();
+            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 RenovationWorkDatabase();
+            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 RenovationWorkDatabase();
+            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 RenovationWorkDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            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 RenovationWorkDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element == null)
+            {
+                return null;
+            }
+            context.Components.Remove(element);
+            context.SaveChanges();
+            return element.GetViewModel;
+        }
+    }
+}

RenovationWork/RenovationWorkDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,86 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.SearchModels;
+using RenovationWorkContracts.StoragesContracts;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace RenovationWorkDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new RenovationWorkDatabase();
+            return context.Orders.Include(x => x.Repair).Select(x => x.GetViewModel).ToList();
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new RenovationWorkDatabase();
+            return context.Orders
+                    .Include(x => x.Repair)
+                    .Where(x => x.Id == model.Id)
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new RenovationWorkDatabase();
+            return context.Orders.Include(x => x.Repair)
+                .FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            if (model == null)
+                return null;
+            var newOrder = Order.Create(context, model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+        }
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return context.Orders
+                         .Include(x => x.Repair)
+                         .FirstOrDefault(x => x.Id == model.Id)
+                         ?.GetViewModel;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                var deletedElement = context.Orders
+                                           .Include(x => x.Repair)
+                                           .FirstOrDefault(x => x.Id == model.Id)
+                                           ?.GetViewModel;
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return deletedElement;
+            }
+            return null;
+        }
+    }
+}

RenovationWork/RenovationWorkDatabaseImplement/Implements/RepairStorage.cs

@@ -0,0 +1,89 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.SearchModels;
+using RenovationWorkContracts.StoragesContracts;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+namespace RenovationWorkDatabaseImplement.Implements
+{
+    public class RepairStorage : IRepairStorage
+    {
+        public List<RepairViewModel> GetFullList()
+        {
+            using var context = new RenovationWorkDatabase();
+            return context.Repairs.Include(x => x.Components).ThenInclude(x => x.Component).ToList().Select(x => x.GetViewModel).ToList();
+        }
+        public List<RepairViewModel> GetFilteredList(RepairSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.RepairName))
+            {
+                return new();
+            }
+            using var context = new RenovationWorkDatabase();
+            return context.Repairs.Include(x => x.Components).ThenInclude(x => x.Component).Where(x => x.RepairName.Contains(model.RepairName)).ToList().Select(x => x.GetViewModel).ToList();
+
+        }
+        public RepairViewModel? GetElement(RepairSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.RepairName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new RenovationWorkDatabase();
+            return context.Repairs.Include(x => x.Components).ThenInclude(x => x.Component)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.RepairName) && x.RepairName == model.RepairName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+        public RepairViewModel? Insert(RepairBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            var newEngine = Repair.Create(context, model);
+            if (newEngine == null)
+            {
+                return null;
+            }
+            context.Repairs.Add(newEngine);
+            context.SaveChanges();
+            return newEngine.GetViewModel;
+        }
+        public RepairViewModel? Update(RepairBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var engine = context.Repairs.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (engine == null)
+                {
+                    return null;
+                }
+                engine.Update(model);
+                context.SaveChanges();
+                engine.UpdateComponents(context, model);
+                transaction.Commit();
+                return engine.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public RepairViewModel? Delete(RepairBindingModel model)
+        {
+            using var context = new RenovationWorkDatabase();
+            var element = context.Repairs
+            .Include(x => x.Components)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Repairs.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
+

RenovationWork/RenovationWorkDatabaseImplement/Migrations/20240418122550_InitialCreate.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 RenovationWorkDatabaseImplement;
+
+#nullable disable
+
+namespace RenovationWorkDatabaseImplement.Migrations
+{
+    [DbContext(typeof(RenovationWorkDatabase))]
+    [Migration("20240418122550_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.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("RenovationWorkDatabaseImplement.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 without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("RepairId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RepairId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Repair", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("RepairName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Repairs");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.RepairComponent", 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>("RepairId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("RepairId");
+
+                    b.ToTable("RepairComponents");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Repair", "Repair")
+                        .WithMany("Orders")
+                        .HasForeignKey("RepairId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Repair");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.RepairComponent", b =>
+                {
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Component", "Component")
+                        .WithMany("RepairComponent")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Repair", "Repair")
+                        .WithMany("Components")
+                        .HasForeignKey("RepairId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Repair");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("RepairComponent");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Repair", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

RenovationWork/RenovationWorkDatabaseImplement/Migrations/20240418122550_InitialCreate.cs

@@ -0,0 +1,126 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace RenovationWorkDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : 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: "Repairs",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RepairName = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Repairs", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RepairId = 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 without time zone", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "timestamp without time zone", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Repairs_RepairId",
+                        column: x => x.RepairId,
+                        principalTable: "Repairs",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "RepairComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    RepairId = 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_RepairComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_RepairComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_RepairComponents_Repairs_RepairId",
+                        column: x => x.RepairId,
+                        principalTable: "Repairs",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_RepairId",
+                table: "Orders",
+                column: "RepairId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RepairComponents_ComponentId",
+                table: "RepairComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_RepairComponents_RepairId",
+                table: "RepairComponents",
+                column: "RepairId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "RepairComponents");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Repairs");
+        }
+    }
+}

RenovationWork/RenovationWorkDatabaseImplement/Migrations/RenovationWorkDatabaseModelSnapshot.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 RenovationWorkDatabaseImplement;
+
+#nullable disable
+
+namespace RenovationWorkDatabaseImplement.Migrations
+{
+    [DbContext(typeof(RenovationWorkDatabase))]
+    partial class RenovationWorkDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.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("RenovationWorkDatabaseImplement.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 without time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<int>("RepairId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RepairId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Repair", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("RepairName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Repairs");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.RepairComponent", 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>("RepairId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("RepairId");
+
+                    b.ToTable("RepairComponents");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Repair", "Repair")
+                        .WithMany("Orders")
+                        .HasForeignKey("RepairId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Repair");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.RepairComponent", b =>
+                {
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Component", "Component")
+                        .WithMany("RepairComponent")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("RenovationWorkDatabaseImplement.Models.Repair", "Repair")
+                        .WithMany("Components")
+                        .HasForeignKey("RepairId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Repair");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("RepairComponent");
+                });
+
+            modelBuilder.Entity("RenovationWorkDatabaseImplement.Models.Repair", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

RenovationWork/RenovationWorkDatabaseImplement/Models/Component.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDataModels.Models;
+
+namespace RenovationWorkDatabaseImplement.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<RepairComponent> RepairComponent { 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
+        };
+    }
+}

RenovationWork/RenovationWorkDatabaseImplement/Models/Order.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDataModels.Enums;
+using RenovationWorkDataModels.Models;
+
+namespace RenovationWorkDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        
+        [Required]
+        public int RepairId { get; private set; }
+        
+        public virtual Repair Repair { get; set; } = new();
+        
+        [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 static Order Create(RenovationWorkDatabase context, OrderBindingModel model)
+        {
+            return new Order()
+            {
+                Id = model.Id,
+                RepairId = model.RepairId,
+                Repair = context.Repairs.First(x => x.Id == model.RepairId),
+                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,
+            RepairId = RepairId,
+            RepairName = Repair.RepairName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+    }
+}
+

RenovationWork/RenovationWorkDatabaseImplement/Models/Repair.cs

@@ -0,0 +1,87 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace RenovationWorkDatabaseImplement.Models
+{
+    public class Repair : IRepairModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string RepairName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _repairComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> RepairComponents
+        {
+            get
+            {
+                if (_repairComponents == null)
+                {
+                    _repairComponents = Components.ToDictionary(recDC => recDC.ComponentId, recDC => (recDC.Component as IComponentModel, recDC.Count));
+                }
+                return _repairComponents;
+            }
+        }
+        [ForeignKey("RepairId")]
+        public virtual List<RepairComponent> Components { get; set; } = new();
+        [ForeignKey("RepairId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Repair Create(RenovationWorkDatabase context, RepairBindingModel model)
+        {
+            return new Repair()
+            {
+                Id = model.Id,
+                RepairName = model.RepairName,
+                Price = model.Price,
+                Components = model.RepairComponents.Select(x => new RepairComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(RepairBindingModel model)
+        {
+            RepairName = model.RepairName;
+            Price = model.Price;
+        }
+        public RepairViewModel GetViewModel => new()
+        {
+            Id = Id,
+            RepairName = RepairName,
+            Price = Price,
+            RepairComponents = RepairComponents
+        };
+        public void UpdateComponents(RenovationWorkDatabase context, RepairBindingModel model)
+        {
+            var repairComponents = context.RepairComponents.Where(rec => rec.RepairId == model.Id).ToList();
+            if (repairComponents != null && repairComponents.Count > 0)
+            {
+                context.RepairComponents.RemoveRange(repairComponents.Where(rec => !model.RepairComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                foreach (var updateComponent in repairComponents)
+                {
+                    updateComponent.Count = model.RepairComponents[updateComponent.ComponentId].Item2;
+                    model.RepairComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var repair = context.Repairs.First(x => x.Id == Id);
+            foreach (var pc in model.RepairComponents)
+            {
+                context.RepairComponents.Add(new RepairComponent
+                {
+                    Repair = repair,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _repairComponents = null;
+        }
+    }
+}

RenovationWork/RenovationWorkDatabaseImplement/Models/RepairComponent.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 RenovationWorkDatabaseImplement.Models
+{
+    public class RepairComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int RepairId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Repair Repair { get; set; } = new();
+    }
+}

RenovationWork/RenovationWorkDatabaseImplement/RenovationWorkDatabase.cs

@@ -0,0 +1,31 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
+using RenovationWorkDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RenovationWorkDatabaseImplement
+{
+    public class RenovationWorkDatabase: DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseNpgsql(@"Host=localhost;Port=5432;Database=RenovationWorkDatabaseFull;Username=postgres;Password=postgres");
+            }
+
+            base.OnConfiguring(optionsBuilder);
+
+            AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
+            AppContext.SetSwitch("Npgsql.DisableDateTimeInfinityConversions", true);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Repair> Repairs { set; get; }
+        public virtual DbSet<RepairComponent> RepairComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

RenovationWork/RenovationWorkDatabaseImplement/RenovationWorkDatabaseImplement.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="Implements\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\RenovationWorkContracts\RenovationWorkContracts.csproj" />
+    <ProjectReference Include="..\RenovationWorkDataModels\RenovationWorkDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

RenovationWork/RenovationWorkFileImplement/DataFileSingleton.cs

@@ -0,0 +1,55 @@
+using RenovationWorkFileImplement.Models;
+using System.Xml.Linq;
+
+namespace RenovationWorkFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string RepairFileName = "Repair.xml";
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Repair> Repairs { get; private set; }
+
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+            return instance;
+        }
+
+        public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
+        public void SaveRepairs() => SaveData(Repairs, RepairFileName, "Repairs", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x =>
+           Component.Create(x)!)!;
+            Repairs = LoadData(RepairFileName, "Repair", x =>
+           Repair.Create(x)!)!;
+            Orders = LoadData(OrderFileName, "Order", x =>
+           Order.Create(x)!)!;
+        }
+        private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
+        {
+            if (File.Exists(filename))
+            {
+                return
+               XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
+            }
+            return new List<T>();
+        }
+        private static void SaveData<T>(List<T> data, string filename, string xmlNodeName, Func<T, XElement> selectFunction)
+        {
+            if (data != null)
+            {
+                new XDocument(new XElement(xmlNodeName,
+               data.Select(selectFunction).ToArray())).Save(filename);
+            }
+        }
+    }
+}

RenovationWork/RenovationWorkFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,84 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.SearchModels;
+using RenovationWorkContracts.StoragesContracts;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkFileImplement.Models;
+
+namespace RenovationWorkFileImplement.Implements
+{
+    public class ComponentStorage: IComponentStorage
+    {
+        private readonly DataFileSingleton source;
+        public ComponentStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<ComponentViewModel> GetFullList()
+        {
+            return source.Components
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel
+        model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            return source.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;
+            }
+
+            //чтобы получить первый элемент, который удовлетворяет заданным условиям выборки
+            return source.Components
+            .FirstOrDefault(x =>
+            (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName) ||
+            (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;       
+            //вызывается для найденного элемента вернуть представление модели ComponentViewModel
+        }
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            model.Id = source.Components.Count > 0 ? source.Components.Max(x => x.Id) + 1 : 1;
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            source.Components.Add(newComponent);
+            source.SaveComponents();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            var component = source.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            source.SaveComponents();
+            return component.GetViewModel;
+        }
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            var element = source.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Components.Remove(element);
+                source.SaveComponents();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

RenovationWork/RenovationWorkFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,81 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.SearchModels;
+using RenovationWorkContracts.StoragesContracts;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkFileImplement.Models;
+using System.Reflection;
+
+namespace RenovationWorkFileImplement.Implements
+{
+    public class OrderStorage: IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => AccessRepairStorage(x.GetViewModel)).ToList();
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return source.Orders.Where(x => x.Id == model.Id)
+               .Select(x => AccessRepairStorage(x.GetViewModel)).ToList();
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return AccessRepairStorage(source.Orders.FirstOrDefault(
+                x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel);
+        }
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            model.Id = source.Orders.Count > 0 ? source.Orders.Max(x => x.Id) + 1 : 1;
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            source.Orders.Add(newOrder);
+            source.SaveOrders();
+            return AccessRepairStorage(newOrder.GetViewModel);
+        }
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            source.SaveOrders();
+            return AccessRepairStorage(order.GetViewModel);
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var element = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Orders.Remove(element);
+                source.SaveOrders();
+                return AccessRepairStorage(element.GetViewModel);
+            }
+            return null;
+        }
+        public OrderViewModel? AccessRepairStorage(OrderViewModel model)
+        {
+            var SelectedRepair = source.Repairs.FirstOrDefault(x => x.Id == model.RepairId);
+
+            model.RepairName = SelectedRepair?.RepairName ?? string.Empty;
+            return model;
+        }
+    }
+}

RenovationWork/RenovationWorkFileImplement/Implements/RepairStorage.cs

@@ -0,0 +1,81 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.SearchModels;
+using RenovationWorkContracts.StoragesContracts;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkFileImplement.Models;
+
+namespace RenovationWorkFileImplement.Implements
+{
+    public class RepairStorage: IRepairStorage
+    {
+        private readonly DataFileSingleton source;
+        public RepairStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<RepairViewModel> GetFullList()
+        {
+            return source.Repairs
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<RepairViewModel> GetFilteredList(RepairSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.RepairName))
+            {
+                return new();
+            }
+            return source.Repairs
+            .Where(x => x.RepairName.Contains(model.RepairName))
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public RepairViewModel? GetElement(RepairSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.RepairName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Repairs
+            .FirstOrDefault(x =>
+            (!string.IsNullOrEmpty(model.RepairName) && x.RepairName == model.RepairName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+        public RepairViewModel? Insert(RepairBindingModel model)
+        {
+            model.Id = source.Repairs.Count > 0 ? source.Repairs.Max(x => x.Id) + 1 : 1;
+            var newRepair = Repair.Create(model);
+            if (newRepair == null)
+            {
+                return null;
+            }
+            source.Repairs.Add(newRepair);
+            source.SaveRepairs();
+            return newRepair.GetViewModel;
+        }
+        public RepairViewModel? Update(RepairBindingModel model)
+        {
+            var Repair = source.Repairs.FirstOrDefault(x => x.Id == model.Id);
+            if (Repair == null)
+            {
+                return null;
+            }
+            Repair.Update(model);
+            source.SaveRepairs();
+            return Repair.GetViewModel;
+        }
+        public RepairViewModel? Delete(RepairBindingModel model)
+        {
+            var Repair = source.Repairs.FirstOrDefault(x => x.Id == model.Id);
+            if (Repair != null)
+            {
+                source.Repairs.Remove(Repair);
+                source.SaveRepairs();
+                return Repair.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

RenovationWork/RenovationWorkFileImplement/Models/Component.cs

@@ -0,0 +1,60 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDataModels.Models;
+using System.Xml.Linq;
+
+
+namespace RenovationWorkFileImplement.Models
+{
+    public class Component: IComponentModel
+    {
+        public int Id { get; private set; }
+        public string ComponentName { get; private set; } = string.Empty;
+        public double Cost { get; set; }
+        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(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ComponentName = element.Element("ComponentName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+        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
+        };
+        public XElement GetXElement => new("Component",
+        new XAttribute("Id", Id),
+        new XElement("ComponentName", ComponentName),
+        new XElement("Cost", Cost.ToString()));
+    }
+}

RenovationWork/RenovationWorkFileImplement/Models/Order.cs

@@ -0,0 +1,82 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDataModels.Enums;
+using RenovationWorkDataModels.Models;
+using System.Xml.Linq;
+
+namespace RenovationWorkFileImplement.Models
+{
+    public class Order: IOrderModel
+    {
+        public int Id { get; private set; }
+        public int RepairId { get; private set; }
+        public int Count { get; private set; }
+        public double Sum { get; private set; }
+        public OrderStatus Status { get; private set; }
+        public DateTime DateCreate { get; private set; }
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                RepairId = model.RepairId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+            };
+        }
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                RepairId = Convert.ToInt32(element.Element("RepairId")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Status = (OrderStatus)Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value.ToString()),
+                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
+                DateImplement = string.IsNullOrEmpty(element.Element("DateImplement")!.Value) ? null : Convert.ToDateTime(element.Element("DateImplement")!.Value)
+            };
+        }
+        public void Update(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            RepairId = RepairId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+        public XElement GetXElement => new("Order",
+        new XAttribute("Id", Id),
+        new XElement("RepairId", RepairId),
+        new XElement("Sum", Sum.ToString()),
+        new XElement("Count", Count),
+        new XElement("Status", Status.ToString()),
+        new XElement("DateCreate", DateCreate.ToString()),
+        new XElement("DateImplement", DateImplement.ToString())
+        );
+    }
+}

RenovationWork/RenovationWorkFileImplement/Models/Repair.cs

@@ -0,0 +1,84 @@
+using RenovationWorkContracts.BindingModels;
+using RenovationWorkContracts.ViewModels;
+using RenovationWorkDataModels.Models;
+using System.Xml.Linq;
+
+namespace RenovationWorkFileImplement.Models
+{
+    public class Repair : IRepairModel
+    {
+        public int Id { get; private set; }
+        public string RepairName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public Dictionary<int, int> Components { get; private set; } = new();
+        private Dictionary<int, (IComponentModel, int)>? _repairComponents = null;
+        public Dictionary<int, (IComponentModel, int)> RepairComponents
+        {
+            get
+            {
+                if (_repairComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _repairComponents = Components.ToDictionary(x => x.Key, y =>
+                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
+                }
+                return _repairComponents;
+            }
+        }
+        public static Repair? Create(RepairBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Repair()
+            {
+                Id = model.Id,
+                RepairName = model.RepairName,
+                Price = model.Price,
+                Components = model.RepairComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+        public static Repair? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Repair()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                RepairName = element.Element("RepairName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("RepairComponents")!.Elements("RepairComponent").ToDictionary(x =>
+                Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(RepairBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            RepairName = model.RepairName;
+            Price = model.Price;
+            Components = model.RepairComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _repairComponents = null;
+        }
+        public RepairViewModel GetViewModel => new()
+        {
+            Id = Id,
+            RepairName = RepairName,
+            Price = Price,
+            RepairComponents = RepairComponents
+        };
+        public XElement GetXElement => new("Repair",
+                         new XAttribute("Id", Id),
+                         new XElement("RepairName", RepairName),
+                         new XElement("Price", Price.ToString()),
+                         new XElement("RepairComponents", Components.Select(x =>
+                         new XElement("RepairComponent",
+                         new XElement("Key", x.Key),
+                         new XElement("Value", x.Value))).ToArray()));
+    }
+}

RenovationWork/RenovationWorkFileImplement/RenovationWorkFileImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\RenovationWorkContracts\RenovationWorkContracts.csproj" />
+    <ProjectReference Include="..\RenovationWorkDataModels\RenovationWorkDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

RenovationWork/RenovationWorkListImplement/RenovationWorkListImplement.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>