labwork3

SecuritySystem/SecuritySystem.sln

@@ -3,15 +3,19 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.7.34031.279
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystem", "SecuritySystem\SecuritySystem.csproj", "{0548AE9D-59FF-4288-A519-85FF31627D7E}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SecuritySystem", "SecuritySystem\SecuritySystem.csproj", "{0548AE9D-59FF-4288-A519-85FF31627D7E}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystemDataModels", "SecuritySystemDataModels\SecuritySystemDataModels.csproj", "{0A4860B4-91DC-4174-A4A5-789729F0E206}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SecuritySystemDataModels", "SecuritySystemDataModels\SecuritySystemDataModels.csproj", "{0A4860B4-91DC-4174-A4A5-789729F0E206}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystemBusinessLogiс", "SecuritySystemBusinessLogiс\SecuritySystemBusinessLogiс.csproj", "{4A8ECDB2-CD12-4A42-8580-C75F044851A0}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SecuritySystemBusinessLogiс", "SecuritySystemBusinessLogiс\SecuritySystemBusinessLogiс.csproj", "{4A8ECDB2-CD12-4A42-8580-C75F044851A0}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystemContracts", "SecuritySystemContracts\SecuritySystemContracts.csproj", "{96317F35-0916-4563-B898-069D6EC0B303}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SecuritySystemContracts", "SecuritySystemContracts\SecuritySystemContracts.csproj", "{96317F35-0916-4563-B898-069D6EC0B303}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystemListImplement", "SecuritySystemListImplement\SecuritySystemListImplement.csproj", "{EEFB1807-2668-4DBF-80A0-06594D2C811C}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SecuritySystemListImplement", "SecuritySystemListImplement\SecuritySystemListImplement.csproj", "{EEFB1807-2668-4DBF-80A0-06594D2C811C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystemFileImplement", "SecuritySystemFileImplement\SecuritySystemFileImplement.csproj", "{2F21ABC1-9037-47B7-A9F8-4590BF86848D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystemDatabaseImplement", "SecuritySystemDatabaseImplement\SecuritySystemDatabaseImplement.csproj", "{7FB0519E-D039-4204-9E34-58ED0F52CF8F}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,6 +43,14 @@ Global
 		{EEFB1807-2668-4DBF-80A0-06594D2C811C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{EEFB1807-2668-4DBF-80A0-06594D2C811C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{EEFB1807-2668-4DBF-80A0-06594D2C811C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2F21ABC1-9037-47B7-A9F8-4590BF86848D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2F21ABC1-9037-47B7-A9F8-4590BF86848D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2F21ABC1-9037-47B7-A9F8-4590BF86848D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2F21ABC1-9037-47B7-A9F8-4590BF86848D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7FB0519E-D039-4204-9E34-58ED0F52CF8F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7FB0519E-D039-4204-9E34-58ED0F52CF8F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7FB0519E-D039-4204-9E34-58ED0F52CF8F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7FB0519E-D039-4204-9E34-58ED0F52CF8F}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

SecuritySystem/SecuritySystem/Program.cs

@@ -1,19 +1,19 @@
 using SecuritySystemBusinessLogic.BusinessLogic;
 using SecuritySystemContracts.BusinessLogicsContracts;
 using SecuritySystemContracts.StoragesContracts;
-using SecuritySystemListImplement.Implements;
+using SecuritySystemDatabaseImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
 
-using System.Drawing;
-
 namespace SecuritySystem
 {
     internal static class Program
     {
         private static ServiceProvider? _serviceProvider;
+
         public static ServiceProvider? ServiceProvider => _serviceProvider;
+
         /// <summary>
         /// The main entry point for the application.
         /// </summary>
@@ -28,6 +28,7 @@ namespace SecuritySystem
             _serviceProvider = services.BuildServiceProvider();
             Application.Run(_serviceProvider.GetRequiredService<FormMain>());
         }
+
         private static void ConfigureServices(ServiceCollection services)
         {
             services.AddLogging(option =>

SecuritySystem/SecuritySystem/SecuritySystem.csproj

@@ -18,6 +18,7 @@
   <ItemGroup>
     <ProjectReference Include="..\SecuritySystemBusinessLogiс\SecuritySystemBusinessLogiс.csproj" />
     <ProjectReference Include="..\SecuritySystemContracts\SecuritySystemContracts.csproj" />
+    <ProjectReference Include="..\SecuritySystemFileImplement\SecuritySystemFileImplement.csproj" />
     <ProjectReference Include="..\SecuritySystemListImplement\SecuritySystemListImplement.csproj" />
   </ItemGroup>
 

SecuritySystem/SecuritySystemDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,107 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.StoragesContracts;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new SecuritySystemDatabase();
+            var element = context.Orders
+                .FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new SecuritySystemDatabase();
+
+            return context.Orders
+                .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+                ?.GetViewModel;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            using var context = new SecuritySystemDatabase();
+
+            return context.Orders
+                    .Include(x => x.Secure)
+                    .Where(x => x.Id == model.Id)
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new SecuritySystemDatabase();
+
+            return context.Orders
+                    .Include(x => x.Secure)
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            using var context = new SecuritySystemDatabase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+
+            return context.Orders.Include(x => x.Secure)
+                                 .FirstOrDefault(x => x.Id == newOrder.Id)?.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new SecuritySystemDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            context.SaveChanges();
+
+            return order.GetViewModel;
+        }
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/Implements/SecureStorage.cs

@@ -0,0 +1,127 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.StoragesContracts;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemDatabaseImplement.Implements
+{
+    public class SecureStorage : ISecureStorage
+    {
+        public List<SecureViewModel> GetFullList()
+        {
+            using var context = new SecuritySystemDatabase();
+
+            return context.Secures
+                    .Include(x => x.Sensors)
+                    .ThenInclude(x => x.Sensor)
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public List<SecureViewModel> GetFilteredList(SecureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SecureName))
+            {
+                return new();
+            }
+
+            using var context = new SecuritySystemDatabase();
+
+            return context.Secures
+                    .Include(x => x.Sensors)
+                    .ThenInclude(x => x.Sensor)
+                    .Where(x => x.SecureName.Contains(model.SecureName))
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public SecureViewModel? GetElement(SecureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SecureName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new SecuritySystemDatabase();
+
+            return context.Secures
+                .Include(x => x.Sensors)
+                .ThenInclude(x => x.Sensor)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.SecureName) && x.SecureName == model.SecureName) ||
+                                (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+
+        public SecureViewModel? Insert(SecureBindingModel model)
+        {
+            using var context = new SecuritySystemDatabase();
+            var newSecure = Secure.Create(context, model);
+
+            if (newSecure == null)
+            {
+                return null;
+            }
+
+            context.Secures.Add(newSecure);
+            context.SaveChanges();
+
+            return newSecure.GetViewModel;
+        }
+
+        public SecureViewModel? Update(SecureBindingModel model)
+        {
+            using var context = new SecuritySystemDatabase();
+            using var transaction = context.Database.BeginTransaction();
+
+            try
+            {
+                var secure = context.Secures.FirstOrDefault(rec => rec.Id == model.Id);
+
+                if (secure == null)
+                {
+                    return null;
+                }
+
+                secure.Update(model);
+                context.SaveChanges();
+                secure.UpdateSensors(context, model);
+                transaction.Commit();
+
+                return secure.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public SecureViewModel? Delete(SecureBindingModel model)
+        {
+            using var context = new SecuritySystemDatabase();
+            var element = context.Secures
+                .Include(x => x.Sensors)
+                .Include(x => x.Orders)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Secures.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/Implements/SensorStorage.cs

@@ -0,0 +1,103 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.StoragesContracts;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemDatabaseImplement.Implements
+{
+    public class SensorStorage : ISensorStorage
+    {
+        public List<SensorViewModel> GetFullList()
+        {
+            using var context = new SecuritySystemDatabase();
+
+            return context.Sensors
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public List<SensorViewModel> GetFilteredList(SensorSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SensorName))
+            {
+                return new();
+            }
+
+            using var context = new SecuritySystemDatabase();
+
+            return context.Sensors
+                    .Where(x => x.SensorName.Contains(model.SensorName))
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public SensorViewModel? GetElement(SensorSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SensorName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new SecuritySystemDatabase();
+
+            return context.Sensors
+                    .FirstOrDefault(x => (!string.IsNullOrEmpty(model.SensorName) && x.SensorName == model.SensorName) ||
+                                        (model.Id.HasValue && x.Id == model.Id))
+                    ?.GetViewModel;
+        }
+
+        public SensorViewModel? Insert(SensorBindingModel model)
+        {
+            var newSensor = Sensor.Create(model);
+
+            if (newSensor == null)
+            {
+                return null;
+            }
+
+            using var context = new SecuritySystemDatabase();
+            context.Sensors.Add(newSensor);
+            context.SaveChanges();
+
+            return newSensor.GetViewModel;
+        }
+
+        public SensorViewModel? Update(SensorBindingModel model)
+        {
+            using var context = new SecuritySystemDatabase();
+            var sensor = context.Sensors.FirstOrDefault(x => x.Id == model.Id);
+
+            if (sensor == null)
+            {
+                return null;
+            }
+
+            sensor.Update(model);
+            context.SaveChanges();
+
+            return sensor.GetViewModel;
+        }
+
+        public SensorViewModel? Delete(SensorBindingModel model)
+        {
+            using var context = new SecuritySystemDatabase();
+            var element = context.Sensors.FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Sensors.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/Migrations/20240424022741_InitialCreate.Designer.cs

@@ -0,0 +1,171 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using SecuritySystemDatabaseImplement;
+
+#nullable disable
+
+namespace SecuritySystemDatabaseImplement.Migrations
+{
+    [DbContext(typeof(SecuritySystemDatabase))]
+    [Migration("20240424022741_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("SecureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SecureId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Secure", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.Property<string>("SecureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Secures");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.SecureSensor", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("SecureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("SensorId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SecureId");
+
+                    b.HasIndex("SensorId");
+
+                    b.ToTable("SecureSensors");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Sensor", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.Property<string>("SensorName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sensors");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Secure", "Secure")
+                        .WithMany("Orders")
+                        .HasForeignKey("SecureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Secure");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.SecureSensor", b =>
+                {
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Secure", "Secure")
+                        .WithMany("Sensors")
+                        .HasForeignKey("SecureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Sensor", "Sensor")
+                        .WithMany("SecureSensors")
+                        .HasForeignKey("SensorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Secure");
+
+                    b.Navigation("Sensor");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Secure", b =>
+                {
+                    b.Navigation("Orders");
+
+                    b.Navigation("Sensors");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Sensor", b =>
+                {
+                    b.Navigation("SecureSensors");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/Migrations/20240424022741_InitialCreate.cs

@@ -0,0 +1,125 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace SecuritySystemDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Secures",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    SecureName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Secures", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Sensors",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    SensorName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Cost = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Sensors", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    SecureId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false),
+                    Sum = table.Column<double>(type: "float", nullable: false),
+                    Status = table.Column<int>(type: "int", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "datetime2", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Secures_SecureId",
+                        column: x => x.SecureId,
+                        principalTable: "Secures",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "SecureSensors",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    SecureId = table.Column<int>(type: "int", nullable: false),
+                    SensorId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_SecureSensors", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_SecureSensors_Secures_SecureId",
+                        column: x => x.SecureId,
+                        principalTable: "Secures",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_SecureSensors_Sensors_SensorId",
+                        column: x => x.SensorId,
+                        principalTable: "Sensors",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_SecureId",
+                table: "Orders",
+                column: "SecureId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_SecureSensors_SecureId",
+                table: "SecureSensors",
+                column: "SecureId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_SecureSensors_SensorId",
+                table: "SecureSensors",
+                column: "SensorId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "SecureSensors");
+
+            migrationBuilder.DropTable(
+                name: "Secures");
+
+            migrationBuilder.DropTable(
+                name: "Sensors");
+        }
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/Migrations/SecuritySystemDatabaseModelSnapshot.cs

@@ -0,0 +1,168 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using SecuritySystemDatabaseImplement;
+
+#nullable disable
+
+namespace SecuritySystemDatabaseImplement.Migrations
+{
+    [DbContext(typeof(SecuritySystemDatabase))]
+    partial class SecuritySystemDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("SecureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SecureId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Secure", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.Property<string>("SecureName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Secures");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.SecureSensor", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("SecureId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("SensorId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SecureId");
+
+                    b.HasIndex("SensorId");
+
+                    b.ToTable("SecureSensors");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Sensor", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.Property<string>("SensorName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Sensors");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Secure", "Secure")
+                        .WithMany("Orders")
+                        .HasForeignKey("SecureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Secure");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.SecureSensor", b =>
+                {
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Secure", "Secure")
+                        .WithMany("Sensors")
+                        .HasForeignKey("SecureId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SecuritySystemDatabaseImplement.Models.Sensor", "Sensor")
+                        .WithMany("SecureSensors")
+                        .HasForeignKey("SensorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Secure");
+
+                    b.Navigation("Sensor");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Secure", b =>
+                {
+                    b.Navigation("Orders");
+
+                    b.Navigation("Sensors");
+                });
+
+            modelBuilder.Entity("SecuritySystemDatabaseImplement.Models.Sensor", b =>
+                {
+                    b.Navigation("SecureSensors");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/Models/Order.cs

@@ -0,0 +1,81 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDataModels.Enums;
+using SecuritySystemDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace SecuritySystemDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+
+        [Required]
+        public int SecureId { get; private set; }
+
+        [Required]
+        public int Count { get; private set; }
+
+        [Required]
+        public double Sum { get; private set; }
+
+        [Required]
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+
+        [Required]
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+
+        //для передачи названия изделия
+        public virtual Secure Secure { get; set; }
+
+        public static Order? Create(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Order()
+            {
+                Id = model.Id,
+                SecureId = model.SecureId,
+                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,
+            SecureId = SecureId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            SecureName = Secure.SecureName
+        };
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/Models/Secure.cs

@@ -0,0 +1,118 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemDatabaseImplement.Models
+{
+    public class Secure : ISecureModel
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public string SecureName { get; set; } = string.Empty;
+
+        [Required]
+        public double Price { get; set; }
+
+        public Dictionary<int, (ISensorModel, int)>? _secureSensors = null;
+
+        //это поле не будет "мапиться" в бд
+        [NotMapped]
+        public Dictionary<int, (ISensorModel, int)> SecureSensors
+        {
+            get
+            {
+                if (_secureSensors == null)
+                {
+                    _secureSensors = Sensors
+                        .ToDictionary(recPC => recPC.SensorId, recPC => (recPC.Sensor as ISensorModel, recPC.Count));
+                }
+
+                return _secureSensors;
+            }
+        }
+
+        //для реализации связи многие ко многим с заготовками
+        [ForeignKey("SecureId")]
+        public virtual List<SecureSensor> Sensors { get; set; } = new();
+
+        [ForeignKey("SecureId")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        public static Secure Create(SecuritySystemDatabase context, SecureBindingModel model)
+        {
+            return new Secure()
+            {
+                Id = model.Id,
+                SecureName = model.SecureName,
+                Price = model.Price,
+                Sensors = model.SecureSensors.Select(x => new SecureSensor
+                {
+                    Sensor = context.Sensors.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+
+        public void Update(SecureBindingModel model)
+        {
+            SecureName = model.SecureName;
+            Price = model.Price;
+        }
+
+        public SecureViewModel GetViewModel => new()
+        {
+            Id = Id,
+            SecureName = SecureName,
+            Price = Price,
+            SecureSensors = SecureSensors
+        };
+
+        Dictionary<int, (ISensorModel, int)> ISecureModel.SecureSensors => throw new NotImplementedException();
+
+        public void UpdateSensors(SecuritySystemDatabase context, SecureBindingModel model)
+        {
+            var secureSensors = context.SecureSensors.Where(rec => rec.SecureId == model.Id).ToList();
+
+            if (secureSensors != null && secureSensors.Count > 0)
+            {
+                // удалили те, которых нет в модели
+                context.SecureSensors.RemoveRange(secureSensors.Where(rec => !model.SecureSensors.ContainsKey(rec.SecureId)));
+                context.SaveChanges();
+
+                // обновили количество у существующих записей
+                foreach (var updateSecure in secureSensors)
+                {
+                    updateSecure.Count = model.SecureSensors[updateSecure.SecureId].Item2;
+                    model.SecureSensors.Remove(updateSecure.SecureId);
+                }
+
+                context.SaveChanges();
+            }
+
+            var secure = context.Secures.First(x => x.Id == Id);
+
+            foreach (var pc in model.SecureSensors)
+            {
+                context.SecureSensors.Add(new SecureSensor
+                {
+                    Secure = secure,
+                    Sensor = context.Sensors.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+
+                context.SaveChanges();
+            }
+
+            _secureSensors = null;
+        }
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/Models/SecureSensor.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemDatabaseImplement.Models
+{
+    public class SecureSensor
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int SecureId { get; set; }
+
+        [Required]
+        public int SensorId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Sensor Sensor { get; set; } = new();
+
+        public virtual Secure Secure { get; set; } = new();
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/Models/Sensor.cs

@@ -0,0 +1,72 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemDatabaseImplement.Models
+{
+    public class Sensor : ISensorModel
+    {
+        public int Id { get; private set; }
+
+        [Required]
+        public string SensorName { get; private set; } = string.Empty;
+
+        [Required]
+        public double Cost { get; set; }
+
+        //для реализации связи многие ко многим с изделиями
+        [ForeignKey("SensorId")]
+        public virtual List<SecureSensor> SecureSensors { get; set; } = new();
+
+        public static Sensor? Create(SensorBindingModel model)
+        {
+            if(model == null)
+            {
+                return null;
+            }
+
+            return new Sensor()
+            {
+                Id = model.Id,
+                SensorName = model.SensorName,
+                Cost = model.Cost
+            };
+        }
+
+        public static Sensor Create(SensorViewModel model)
+        {
+            return new Sensor
+            {
+                Id = model.Id,
+                SensorName = model.SensorName,
+                Cost = model.Cost
+            };
+        }
+
+        public void Update(SensorBindingModel model)
+        {
+            if(model == null)
+            {
+                return;
+            }
+
+            SensorName = model.SensorName;
+            Cost = model.Cost;
+        }
+
+        public SensorViewModel GetViewModel => new()
+        {
+            Id = Id,
+            SensorName = SensorName,
+            Cost = Cost
+        };
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/SecuritySystemDatabase.cs

@@ -0,0 +1,33 @@
+using SecuritySystemDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemDatabaseImplement
+{
+    public class SecuritySystemDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=WIN-GKU3FFNUNO6;Initial Catalog=SecuritySystemDatabase;Integrated Security=True;MultipleActiveResultSets=True;TrustServerCertificate=True");
+
+            }
+
+            base.OnConfiguring(optionsBuilder);
+        }
+
+        public virtual DbSet<Sensor> Sensors { set; get; }
+
+        public virtual DbSet<Secure> Secures { set; get; }
+
+        public virtual DbSet<SecureSensor> SecureSensors { set; get; }
+
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

SecuritySystem/SecuritySystemDatabaseImplement/SecuritySystemDatabaseImplement.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

SecuritySystem/SecuritySystemFileImplement/DataFileSingleton.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+using SecuritySystemFileImplement.Models;
+
+namespace SecuritySystemFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+
+        private readonly string SensorFileName = "Sensor.xml";
+
+        private readonly string OrderFileName = "Order.xml";
+
+        private readonly string SecureFileName = "Secure.xml";
+
+        public List<Sensor> Sensors { get; private set; }
+
+        public List<Order> Orders { get; private set; }
+
+        public List<Secure> Secures { get; private set; }
+
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+
+            return instance;
+        }
+
+        public void SaveSensors() => SaveData(Sensors, SensorFileName, "Sensors", x => x.GetXElement);
+
+        public void SaveSecures() => SaveData(Secures, SecureFileName, "Secures", x => x.GetXElement);
+
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+
+        private DataFileSingleton()
+        {
+            Sensors = LoadData(SensorFileName, "Sensor", x => Sensor.Create(x)!)!;
+            Secures = LoadData(SecureFileName, "Secure", x => Secure.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);
+            }
+        }
+    }
+}

SecuritySystem/SecuritySystemFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,111 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.StoragesContracts;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemFileImplement.Implements
+{
+    //реализация интерфейса хранилища заказов
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => GetViewModel(x)).ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            return source.Orders.Where(x => x.Id == model.Id).Select(x => GetViewModel(x)).ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        //для загрузки названий изделия в заказе
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+
+            var secure = source.Secures.FirstOrDefault(x => x.Id == order.SecureId);
+
+            if (secure != null)
+            {
+                viewModel.SecureName = secure.SecureName;
+            }
+
+            return viewModel;
+        }
+
+        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 GetViewModel(newOrder);
+        }
+
+        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 GetViewModel(order);
+        }
+
+        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 GetViewModel(element);
+            }
+
+            return null;
+        }
+    }
+}

SecuritySystem/SecuritySystemFileImplement/Implements/SecureStorage.cs

@@ -0,0 +1,97 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.StoragesContracts;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemFileImplement.Implements
+{
+    //реализация интерфейса хранилища изделий
+    public class SecureStorage : ISecureStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public SecureStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<SecureViewModel> GetFullList()
+        {
+            return source.Secures.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<SecureViewModel> GetFilteredList(SecureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SecureName))
+            {
+                return new();
+            }
+
+            return source.Secures.Where(x => x.SecureName.Contains(model.SecureName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public SecureViewModel? GetElement(SecureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SecureName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Secures.FirstOrDefault(x => (!string.IsNullOrEmpty(model.SecureName) && x.SecureName == model.SecureName)
+                || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public SecureViewModel? Insert(SecureBindingModel model)
+        {
+            model.Id = source.Secures.Count > 0 ? source.Secures.Max(x => x.Id) + 1 : 1;
+
+            var newSecure = Secure.Create(model);
+
+            if (newSecure == null)
+            {
+                return null;
+            }
+
+            source.Secures.Add(newSecure);
+            source.SaveSecures();
+
+            return newSecure.GetViewModel;
+        }
+
+        public SecureViewModel? Update(SecureBindingModel model)
+        {
+            var secure = source.Secures.FirstOrDefault(x => x.Id == model.Id);
+
+            if (secure == null)
+            {
+                return null;
+            }
+
+            secure.Update(model);
+            source.SaveSecures();
+
+            return secure.GetViewModel;
+        }
+
+        public SecureViewModel? Delete(SecureBindingModel model)
+        {
+            var element = source.Secures.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Secures.Remove(element);
+                source.SaveSecures();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

SecuritySystem/SecuritySystemFileImplement/Implements/SensorStorage.cs

@@ -0,0 +1,98 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.StoragesContracts;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SecuritySystemFileImplement.Implements
+{
+    //реализация интерфейса хранилища заготовок
+    public class SensorStorage : ISensorStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public SensorStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<SensorViewModel> GetFullList()
+        {
+            return source.Sensors.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<SensorViewModel> GetFilteredList(SensorSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SensorName))
+            {
+                return new();
+            }
+
+            return source.Sensors.Where(x => x.SensorName.Contains(model.SensorName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public SensorViewModel? GetElement(SensorSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SensorName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Sensors.FirstOrDefault(x => (!string.IsNullOrEmpty(model.SensorName) && x.SensorName == model.SensorName)
+                || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public SensorViewModel? Insert(SensorBindingModel model)
+        {
+            model.Id = source.Sensors.Count > 0 ? source.Sensors.Max(x => x.Id) + 1 : 1;
+
+            var newSensor = Sensor.Create(model);
+
+            if (newSensor == null)
+            {
+                return null;
+            }
+
+            source.Sensors.Add(newSensor);
+            source.SaveSensors();
+
+            return newSensor.GetViewModel;
+        }
+
+        public SensorViewModel? Update(SensorBindingModel model)
+        {
+            var sensor = source.Sensors.FirstOrDefault(x => x.Id == model.Id);
+
+            if (sensor == null)
+            {
+                return null;
+            }
+
+            sensor.Update(model);
+            source.SaveSensors();
+
+            return sensor.GetViewModel;
+        }
+
+        public SensorViewModel? Delete(SensorBindingModel model)
+        {
+            var element = source.Sensors.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Sensors.Remove(element);
+                source.SaveSensors();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

SecuritySystem/SecuritySystemFileImplement/Models/Order.cs

@@ -0,0 +1,103 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDataModels.Enums;
+using SecuritySystemDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace SecuritySystemFileImplement.Models
+{
+    //класс, реализующий интерфейс модели заказа
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+
+        public int SecureId { get; private set; }
+
+        public int Count { get; private set; }
+
+        public double Sum { get; private set; }
+
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Order()
+            {
+                Id = model.Id,
+                SecureId = model.SecureId,
+                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),
+                SecureId = Convert.ToInt32(element.Element("SecureId")!.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),
+                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,
+            SecureId = SecureId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+
+
+        public XElement GetXElement => new("Order",
+            new XAttribute("Id", Id),
+            new XElement("SecureId", SecureId.ToString()),
+            new XElement("Count", Count.ToString()),
+            new XElement("Sum", Sum.ToString()),
+            new XElement("Status", Status.ToString()),
+            new XElement("DateCreate", DateCreate.ToString()),
+            new XElement("DateImplement", DateImplement.ToString()));
+    }
+}

SecuritySystem/SecuritySystemFileImplement/Models/Secure.cs

@@ -0,0 +1,108 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace SecuritySystemFileImplement.Models
+{
+    //класс реализующий интерфейс модели изделия
+    public class Secure : ISecureModel
+    {
+        public int Id { get; private set; }
+
+        public string SecureName { get; private set; } = string.Empty;
+
+        public double Price { get; private set; }
+
+        public Dictionary<int, int> Sensors { get; private set; } = new();
+
+
+        private Dictionary<int, (ISensorModel, int)>? _secureSensors = null;
+
+        public Dictionary<int, (ISensorModel, int)> SecureSensors
+        {
+            get
+            {
+                if (_secureSensors == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+
+                    _secureSensors = Sensors.ToDictionary(x => x.Key, 
+                        y => ((source.Sensors.FirstOrDefault(z => z.Id == y.Key) as ISensorModel)!, y.Value));
+                }
+
+                return _secureSensors;
+            }
+        }
+
+        public static Secure? Create(SecureBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Secure()
+            {
+                Id = model.Id,
+                SecureName = model.SecureName,
+                Price = model.Price,
+                Sensors = model.SecureSensors.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+
+        public static Secure? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+
+            return new Secure()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                SecureName = element.Element("SecureName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Sensors = element.Element("SecureSensors")!.Elements("SecureSensors").ToDictionary(
+                    x => Convert.ToInt32(x.Element("Key")?.Value), 
+                    x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(SecureBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            SecureName = model.SecureName;
+            Price = model.Price;
+            Sensors = model.SecureSensors.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _secureSensors = null;
+        }
+
+        public SecureViewModel GetViewModel => new()
+        {
+            Id = Id,
+            SecureName = SecureName,
+            Price = Price,
+            SecureSensors = SecureSensors
+        };
+
+        public XElement GetXElement => new("Secure", 
+            new XAttribute("Id", Id), 
+            new XElement("SecureName", SecureName), 
+            new XElement("Price", Price.ToString()), 
+            new XElement("SecureSensors", Sensors.Select(
+                x => new XElement("SecureSensors", 
+                    new XElement("Key", x.Key), 
+                    new XElement("Value", x.Value))
+                ).ToArray()));
+    }
+}

SecuritySystem/SecuritySystemFileImplement/Models/Sensor.cs

@@ -0,0 +1,76 @@
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace SecuritySystemFileImplement.Models
+{
+    //реализация интерфейса модели заготовки
+    public class Sensor : ISensorModel
+    {
+        public int Id { get; private set; }
+
+        public string SensorName { get; private set; } = string.Empty;
+
+        public double Cost { get; set; }
+
+        public static Sensor? Create(SensorBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Sensor()
+            {
+                Id = model.Id,
+                SensorName = model.SensorName,
+                Cost = model.Cost
+            };
+        }
+
+        public static Sensor? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+
+            return new Sensor()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                SensorName = element.Element("SensorName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+
+        public void Update(SensorBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            SensorName = model.SensorName;
+            Cost = model.Cost;
+        }
+
+        public SensorViewModel GetViewModel => new()
+        {
+            Id = Id,
+            SensorName = SensorName,
+            Cost = Cost
+        };
+
+        public XElement GetXElement => new("Sensor", 
+            new XAttribute("Id", Id), 
+            new XElement("SensorName", SensorName), 
+            new XElement("Cost", Cost.ToString()));
+    }
+}

SecuritySystem/SecuritySystemFileImplement/SecuritySystemFileImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\SecuritySystemContracts\SecuritySystemContracts.csproj" />
+    <ProjectReference Include="..\SecuritySystemDataModels\SecuritySystemDataModels.csproj" />
+  </ItemGroup>
+
+</Project>