diff --git a/AutoCat/Mocks/HistoryListViewModelMock.cs b/AutoCat/Mocks/HistoryListViewModelMock.cs
index 26e1715..fb4bfe1 100644
--- a/AutoCat/Mocks/HistoryListViewModelMock.cs
+++ b/AutoCat/Mocks/HistoryListViewModelMock.cs
@@ -10,20 +10,9 @@ public class HistoryListViewModelMock: ViewModelBase
 
     public HistoryListViewModelMock()
     {
-        var vehicle1 = new Vehicle
-        {
-            Number = "А007АА761"
-        };
-        
-        var vehicle2 = new Vehicle
-        {
-            Number = "А008АА761"
-        };
-        
-        var vehicle3 = new Vehicle
-        {
-            Number = "А009АА761"
-        };
+        var vehicle1 = new Vehicle("А007АА761");
+        var vehicle2 = new Vehicle("А007АА761");
+        var vehicle3 = new Vehicle("А007АА761");
 
         Vehicles = new ObservableCollection<Vehicle> { vehicle1, vehicle2, vehicle3 };
     }
diff --git a/AutoCatCore/Migrations/20240508141817_InitialCreate.Designer.cs b/AutoCatCore/Migrations/20240508141817_InitialCreate.Designer.cs
new file mode 100644
index 0000000..c743e90
--- /dev/null
+++ b/AutoCatCore/Migrations/20240508141817_InitialCreate.Designer.cs
@@ -0,0 +1,510 @@
+// <auto-generated />
+using System;
+using AutoCatCore.Model;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace AutoCatCore.Migrations
+{
+    [DbContext(typeof(AutoCatDbContext))]
+    [Migration("20240508141817_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "8.0.4");
+
+            modelBuilder.Entity("AutoCatCore.Model.Osago", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<double?>("Date")
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("Insurant")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Number")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Owner")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("PlateNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Restrictions")
+                        .HasMaxLength(500)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Status")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("UsageRegion")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Vin")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("Osago");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.User", b =>
+                {
+                    b.Property<string>("Email")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("FirebaseIdToken")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("FirebaseRefreshToken")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Token")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Email");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.Vehicle", b =>
+                {
+                    b.Property<string>("Number")
+                        .HasMaxLength(10)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("AddedBy")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("AddedDate")
+                        .HasColumnType("REAL");
+
+                    b.Property<int?>("BrandId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Category")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Color")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("CurrentNumber")
+                        .HasMaxLength(10)
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("EngineId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool?>("IsJapanese")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool?>("IsRightWheel")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("ModelId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Pts")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Sts")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("UpdatedDate")
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("Vin1")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Vin2")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("Year")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Number");
+
+                    b.HasIndex("BrandId");
+
+                    b.HasIndex("EngineId");
+
+                    b.HasIndex("ModelId");
+
+                    b.ToTable("Vehicles");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleAd", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("AdDescription")
+                        .HasMaxLength(500)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("Date")
+                        .HasMaxLength(50)
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("Mileage")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Photos")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Price")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Region")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Url")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("VehicleAd");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleBrand", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Logo")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("NameId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NameId");
+
+                    b.ToTable("VehicleBrand");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleEngine", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("FuelType")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Number")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("PowerHp")
+                        .HasColumnType("REAL");
+
+                    b.Property<double?>("PowerKw")
+                        .HasColumnType("REAL");
+
+                    b.Property<int?>("Volume")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("VehicleEngine");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleEvent", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("Date")
+                        .HasColumnType("REAL");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("REAL");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("VehicleEvent");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleModel", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("NameId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NameId");
+
+                    b.ToTable("VehicleModel");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleName", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Normalized")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Original")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("VehicleName");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleOwnershipPeriod", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Building")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Code")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<long?>("From")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Inn")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("LastOperation")
+                        .HasMaxLength(500)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Locality")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("OwnerType")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Region")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RegistrationRegion")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Street")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<long?>("To")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("VehicleOwnershipPeriod");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehiclePhoto", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Brand")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("Date")
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("Model")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Url")
+                        .HasMaxLength(500)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("VehiclePhoto");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.Osago", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("OsagoContracts")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.Vehicle", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.VehicleBrand", "Brand")
+                        .WithMany()
+                        .HasForeignKey("BrandId");
+
+                    b.HasOne("AutoCatCore.Model.VehicleEngine", "Engine")
+                        .WithMany()
+                        .HasForeignKey("EngineId");
+
+                    b.HasOne("AutoCatCore.Model.VehicleModel", "Model")
+                        .WithMany()
+                        .HasForeignKey("ModelId");
+
+                    b.Navigation("Brand");
+
+                    b.Navigation("Engine");
+
+                    b.Navigation("Model");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleAd", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("Ads")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleBrand", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.VehicleName", "Name")
+                        .WithMany()
+                        .HasForeignKey("NameId");
+
+                    b.Navigation("Name");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleEvent", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("Events")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleModel", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.VehicleName", "Name")
+                        .WithMany()
+                        .HasForeignKey("NameId");
+
+                    b.Navigation("Name");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleOwnershipPeriod", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("OwnershipPeriods")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehiclePhoto", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("Photos")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.Vehicle", b =>
+                {
+                    b.Navigation("Ads");
+
+                    b.Navigation("Events");
+
+                    b.Navigation("OsagoContracts");
+
+                    b.Navigation("OwnershipPeriods");
+
+                    b.Navigation("Photos");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/AutoCatCore/Migrations/20240508141817_InitialCreate.cs b/AutoCatCore/Migrations/20240508141817_InitialCreate.cs
new file mode 100644
index 0000000..0bb83de
--- /dev/null
+++ b/AutoCatCore/Migrations/20240508141817_InitialCreate.cs
@@ -0,0 +1,351 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace AutoCatCore.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Users",
+                columns: table => new
+                {
+                    Email = table.Column<string>(type: "TEXT", maxLength: 50, nullable: false),
+                    Token = table.Column<string>(type: "TEXT", maxLength: 300, nullable: true),
+                    FirebaseIdToken = table.Column<string>(type: "TEXT", maxLength: 300, nullable: true),
+                    FirebaseRefreshToken = table.Column<string>(type: "TEXT", maxLength: 300, nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Users", x => x.Email);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "VehicleEngine",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Number = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Volume = table.Column<int>(type: "INTEGER", nullable: true),
+                    PowerKw = table.Column<double>(type: "REAL", nullable: true),
+                    PowerHp = table.Column<double>(type: "REAL", nullable: true),
+                    FuelType = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_VehicleEngine", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "VehicleName",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Original = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Normalized = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_VehicleName", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "VehicleBrand",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    NameId = table.Column<int>(type: "INTEGER", nullable: true),
+                    Logo = table.Column<string>(type: "TEXT", maxLength: 200, nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_VehicleBrand", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_VehicleBrand_VehicleName_NameId",
+                        column: x => x.NameId,
+                        principalTable: "VehicleName",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "VehicleModel",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    NameId = table.Column<int>(type: "INTEGER", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_VehicleModel", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_VehicleModel_VehicleName_NameId",
+                        column: x => x.NameId,
+                        principalTable: "VehicleName",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Vehicles",
+                columns: table => new
+                {
+                    Number = table.Column<string>(type: "TEXT", maxLength: 10, nullable: false),
+                    CurrentNumber = table.Column<string>(type: "TEXT", maxLength: 10, nullable: true),
+                    Vin1 = table.Column<string>(type: "TEXT", maxLength: 50, nullable: true),
+                    Vin2 = table.Column<string>(type: "TEXT", maxLength: 50, nullable: true),
+                    Sts = table.Column<string>(type: "TEXT", maxLength: 50, nullable: true),
+                    Pts = table.Column<string>(type: "TEXT", maxLength: 50, nullable: true),
+                    BrandId = table.Column<int>(type: "INTEGER", nullable: true),
+                    ModelId = table.Column<int>(type: "INTEGER", nullable: true),
+                    Color = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Year = table.Column<int>(type: "INTEGER", nullable: true),
+                    Category = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    IsRightWheel = table.Column<bool>(type: "INTEGER", nullable: true),
+                    IsJapanese = table.Column<bool>(type: "INTEGER", nullable: true),
+                    AddedDate = table.Column<double>(type: "REAL", nullable: true),
+                    UpdatedDate = table.Column<double>(type: "REAL", nullable: true),
+                    AddedBy = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    EngineId = table.Column<int>(type: "INTEGER", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Vehicles", x => x.Number);
+                    table.ForeignKey(
+                        name: "FK_Vehicles_VehicleBrand_BrandId",
+                        column: x => x.BrandId,
+                        principalTable: "VehicleBrand",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_Vehicles_VehicleEngine_EngineId",
+                        column: x => x.EngineId,
+                        principalTable: "VehicleEngine",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_Vehicles_VehicleModel_ModelId",
+                        column: x => x.ModelId,
+                        principalTable: "VehicleModel",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Osago",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Number = table.Column<string>(type: "TEXT", maxLength: 50, nullable: true),
+                    Date = table.Column<double>(type: "REAL", nullable: true),
+                    Vin = table.Column<string>(type: "TEXT", maxLength: 50, nullable: true),
+                    PlateNumber = table.Column<string>(type: "TEXT", maxLength: 50, nullable: true),
+                    Name = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Status = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Restrictions = table.Column<string>(type: "TEXT", maxLength: 500, nullable: true),
+                    Insurant = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Owner = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    UsageRegion = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    VehicleNumber = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Osago", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Osago_Vehicles_VehicleNumber",
+                        column: x => x.VehicleNumber,
+                        principalTable: "Vehicles",
+                        principalColumn: "Number");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "VehicleAd",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Url = table.Column<string>(type: "TEXT", maxLength: 200, nullable: true),
+                    Price = table.Column<string>(type: "TEXT", maxLength: 50, nullable: true),
+                    Date = table.Column<double>(type: "REAL", maxLength: 50, nullable: true),
+                    Mileage = table.Column<string>(type: "TEXT", maxLength: 50, nullable: true),
+                    Region = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    City = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    AdDescription = table.Column<string>(type: "TEXT", maxLength: 500, nullable: true),
+                    Photos = table.Column<string>(type: "TEXT", nullable: true),
+                    VehicleNumber = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_VehicleAd", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_VehicleAd_Vehicles_VehicleNumber",
+                        column: x => x.VehicleNumber,
+                        principalTable: "Vehicles",
+                        principalColumn: "Number");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "VehicleEvent",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "TEXT", nullable: false),
+                    Date = table.Column<double>(type: "REAL", nullable: true),
+                    Latitude = table.Column<double>(type: "REAL", nullable: true),
+                    Longitude = table.Column<double>(type: "REAL", nullable: true),
+                    Address = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    VehicleNumber = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_VehicleEvent", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_VehicleEvent_Vehicles_VehicleNumber",
+                        column: x => x.VehicleNumber,
+                        principalTable: "Vehicles",
+                        principalColumn: "Number");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "VehicleOwnershipPeriod",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    LastOperation = table.Column<string>(type: "TEXT", maxLength: 500, nullable: true),
+                    OwnerType = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    From = table.Column<long>(type: "INTEGER", nullable: true),
+                    To = table.Column<long>(type: "INTEGER", nullable: true),
+                    Region = table.Column<string>(type: "TEXT", maxLength: 300, nullable: true),
+                    RegistrationRegion = table.Column<string>(type: "TEXT", maxLength: 300, nullable: true),
+                    Locality = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Code = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Street = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Building = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Inn = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    VehicleNumber = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_VehicleOwnershipPeriod", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_VehicleOwnershipPeriod_Vehicles_VehicleNumber",
+                        column: x => x.VehicleNumber,
+                        principalTable: "Vehicles",
+                        principalColumn: "Number");
+                });
+
+            migrationBuilder.CreateTable(
+                name: "VehiclePhoto",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Brand = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Model = table.Column<string>(type: "TEXT", maxLength: 100, nullable: true),
+                    Date = table.Column<double>(type: "REAL", nullable: true),
+                    Url = table.Column<string>(type: "TEXT", maxLength: 500, nullable: true),
+                    VehicleNumber = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_VehiclePhoto", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_VehiclePhoto_Vehicles_VehicleNumber",
+                        column: x => x.VehicleNumber,
+                        principalTable: "Vehicles",
+                        principalColumn: "Number");
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Osago_VehicleNumber",
+                table: "Osago",
+                column: "VehicleNumber");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_VehicleAd_VehicleNumber",
+                table: "VehicleAd",
+                column: "VehicleNumber");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_VehicleBrand_NameId",
+                table: "VehicleBrand",
+                column: "NameId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_VehicleEvent_VehicleNumber",
+                table: "VehicleEvent",
+                column: "VehicleNumber");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_VehicleModel_NameId",
+                table: "VehicleModel",
+                column: "NameId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_VehicleOwnershipPeriod_VehicleNumber",
+                table: "VehicleOwnershipPeriod",
+                column: "VehicleNumber");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_VehiclePhoto_VehicleNumber",
+                table: "VehiclePhoto",
+                column: "VehicleNumber");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Vehicles_BrandId",
+                table: "Vehicles",
+                column: "BrandId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Vehicles_EngineId",
+                table: "Vehicles",
+                column: "EngineId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Vehicles_ModelId",
+                table: "Vehicles",
+                column: "ModelId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Osago");
+
+            migrationBuilder.DropTable(
+                name: "Users");
+
+            migrationBuilder.DropTable(
+                name: "VehicleAd");
+
+            migrationBuilder.DropTable(
+                name: "VehicleEvent");
+
+            migrationBuilder.DropTable(
+                name: "VehicleOwnershipPeriod");
+
+            migrationBuilder.DropTable(
+                name: "VehiclePhoto");
+
+            migrationBuilder.DropTable(
+                name: "Vehicles");
+
+            migrationBuilder.DropTable(
+                name: "VehicleBrand");
+
+            migrationBuilder.DropTable(
+                name: "VehicleEngine");
+
+            migrationBuilder.DropTable(
+                name: "VehicleModel");
+
+            migrationBuilder.DropTable(
+                name: "VehicleName");
+        }
+    }
+}
diff --git a/AutoCatCore/Migrations/AutoCatDbContextModelSnapshot.cs b/AutoCatCore/Migrations/AutoCatDbContextModelSnapshot.cs
new file mode 100644
index 0000000..57004dc
--- /dev/null
+++ b/AutoCatCore/Migrations/AutoCatDbContextModelSnapshot.cs
@@ -0,0 +1,507 @@
+// <auto-generated />
+using System;
+using AutoCatCore.Model;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace AutoCatCore.Migrations
+{
+    [DbContext(typeof(AutoCatDbContext))]
+    partial class AutoCatDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "8.0.4");
+
+            modelBuilder.Entity("AutoCatCore.Model.Osago", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<double?>("Date")
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("Insurant")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Name")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Number")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Owner")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("PlateNumber")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Restrictions")
+                        .HasMaxLength(500)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Status")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("UsageRegion")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Vin")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("Osago");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.User", b =>
+                {
+                    b.Property<string>("Email")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("FirebaseIdToken")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("FirebaseRefreshToken")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Token")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Email");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.Vehicle", b =>
+                {
+                    b.Property<string>("Number")
+                        .HasMaxLength(10)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("AddedBy")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("AddedDate")
+                        .HasColumnType("REAL");
+
+                    b.Property<int?>("BrandId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Category")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Color")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("CurrentNumber")
+                        .HasMaxLength(10)
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("EngineId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool?>("IsJapanese")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<bool?>("IsRightWheel")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("ModelId")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Pts")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Sts")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("UpdatedDate")
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("Vin1")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Vin2")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("Year")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Number");
+
+                    b.HasIndex("BrandId");
+
+                    b.HasIndex("EngineId");
+
+                    b.HasIndex("ModelId");
+
+                    b.ToTable("Vehicles");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleAd", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("AdDescription")
+                        .HasMaxLength(500)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("City")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("Date")
+                        .HasMaxLength(50)
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("Mileage")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Photos")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Price")
+                        .HasMaxLength(50)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Region")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Url")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("VehicleAd");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleBrand", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Logo")
+                        .HasMaxLength(200)
+                        .HasColumnType("TEXT");
+
+                    b.Property<int?>("NameId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NameId");
+
+                    b.ToTable("VehicleBrand");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleEngine", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("FuelType")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Number")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("PowerHp")
+                        .HasColumnType("REAL");
+
+                    b.Property<double?>("PowerKw")
+                        .HasColumnType("REAL");
+
+                    b.Property<int?>("Volume")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("VehicleEngine");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleEvent", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Address")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("Date")
+                        .HasColumnType("REAL");
+
+                    b.Property<double?>("Latitude")
+                        .HasColumnType("REAL");
+
+                    b.Property<double?>("Longitude")
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("VehicleEvent");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleModel", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<int?>("NameId")
+                        .HasColumnType("INTEGER");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("NameId");
+
+                    b.ToTable("VehicleModel");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleName", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Normalized")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Original")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("VehicleName");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleOwnershipPeriod", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Building")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Code")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<long?>("From")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Inn")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("LastOperation")
+                        .HasMaxLength(500)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Locality")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("OwnerType")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Region")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("RegistrationRegion")
+                        .HasMaxLength(300)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Street")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<long?>("To")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("VehicleOwnershipPeriod");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehiclePhoto", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Brand")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<double?>("Date")
+                        .HasColumnType("REAL");
+
+                    b.Property<string>("Model")
+                        .HasMaxLength(100)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Url")
+                        .HasMaxLength(500)
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("VehicleNumber")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("VehicleNumber");
+
+                    b.ToTable("VehiclePhoto");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.Osago", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("OsagoContracts")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.Vehicle", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.VehicleBrand", "Brand")
+                        .WithMany()
+                        .HasForeignKey("BrandId");
+
+                    b.HasOne("AutoCatCore.Model.VehicleEngine", "Engine")
+                        .WithMany()
+                        .HasForeignKey("EngineId");
+
+                    b.HasOne("AutoCatCore.Model.VehicleModel", "Model")
+                        .WithMany()
+                        .HasForeignKey("ModelId");
+
+                    b.Navigation("Brand");
+
+                    b.Navigation("Engine");
+
+                    b.Navigation("Model");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleAd", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("Ads")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleBrand", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.VehicleName", "Name")
+                        .WithMany()
+                        .HasForeignKey("NameId");
+
+                    b.Navigation("Name");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleEvent", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("Events")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleModel", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.VehicleName", "Name")
+                        .WithMany()
+                        .HasForeignKey("NameId");
+
+                    b.Navigation("Name");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehicleOwnershipPeriod", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("OwnershipPeriods")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.VehiclePhoto", b =>
+                {
+                    b.HasOne("AutoCatCore.Model.Vehicle", null)
+                        .WithMany("Photos")
+                        .HasForeignKey("VehicleNumber");
+                });
+
+            modelBuilder.Entity("AutoCatCore.Model.Vehicle", b =>
+                {
+                    b.Navigation("Ads");
+
+                    b.Navigation("Events");
+
+                    b.Navigation("OsagoContracts");
+
+                    b.Navigation("OwnershipPeriods");
+
+                    b.Navigation("Photos");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/AutoCatCore/Model/Osago.cs b/AutoCatCore/Model/Osago.cs
index 44ed7b5..0786ab0 100644
--- a/AutoCatCore/Model/Osago.cs
+++ b/AutoCatCore/Model/Osago.cs
@@ -5,15 +5,24 @@ namespace AutoCatCore.Model
 	public class Osago
 	{
 		public int Id { get; set; }
+		[MaxLength(50)]
 		public string? Number { get; set; }
 		public double? Date { get; set; }
+		[MaxLength(50)]
 		public string? Vin { get; set; }
+		[MaxLength(50)]
 		public string? PlateNumber { get; set; }
+		[MaxLength(100)]
 		public string? Name { get; set; }
+		[MaxLength(100)]
 		public string? Status { get; set; }
+		[MaxLength(500)]
 		public string? Restrictions { get; set; }
+		[MaxLength(100)]
 		public string? Insurant { get; set; }
+		[MaxLength(100)]
 		public string? Owner { get; set; }
+		[MaxLength(100)]
 		public string? UsageRegion { get; set; }
 	}
 }
diff --git a/AutoCatCore/Model/Vehicle.cs b/AutoCatCore/Model/Vehicle.cs
index 44e195d..42f64e0 100644
--- a/AutoCatCore/Model/Vehicle.cs
+++ b/AutoCatCore/Model/Vehicle.cs
@@ -2,30 +2,54 @@
 
 namespace AutoCatCore.Model
 {
-	public class Vehicle
+	public class Vehicle(string number)
 	{
-		[Key]
-		public string Number { get; set; }
-		public string CurrentNumber { get; set; }
-		public string Vin1 { get; set; }
-		public string Vin2 { get; set; }
-		public string Sts { get; set; }
-		public string Pts { get; set; }
-		public VehicleBrand Brand { get; set; }
-		public VehicleModel Model { get; set; }
-		public string Color { get; set; }
-		public int Year { get; set; }
-		public string Category { get; set; }
+		[Key] [MaxLength(10)] 
+		public string Number { get; set; } = number;
+		
+		[MaxLength(10)]
+		public string? CurrentNumber { get; set; }
+		
+		[MaxLength(50)]
+		public string? Vin1 { get; set; }
+		
+		[MaxLength(50)]
+		public string? Vin2 { get; set; }
+		
+		[MaxLength(50)]
+		public string? Sts { get; set; }
+		
+		[MaxLength(50)]
+		public string? Pts { get; set; }
+		
+		public VehicleBrand? Brand { get; set; }
+		
+		public VehicleModel? Model { get; set; }
+		
+		[MaxLength(100)]
+		public string? Color { get; set; }
+		
+		public int? Year { get; set; }
+		
+		[MaxLength(100)]
+		public string? Category { get; set; }
+		
 		public bool? IsRightWheel { get; set; }
+		
 		public bool? IsJapanese { get; set; }
-		public double AddedDate { get; set; }
-		public double UpdatedDate { get; set; }
-		public string AddedBy { get; set; }
-		public VehicleEngine Engine { get; set; }
-		public List<VehiclePhoto> Photos { get; set; }
-		public List<VehicleEvent> Events { get; set; }
-		public List<Osago> OsagoContracts { get; set; }
-		public List<VehicleOwnershipPeriod> OwnershipPeriods { get; set; }
-		public List<VehicleAd> Ads { get; set; }
+		
+		public double? AddedDate { get; set; }
+		
+		public double? UpdatedDate { get; set; }
+		
+		[MaxLength(100)]
+		public string? AddedBy { get; set; }
+		
+		public VehicleEngine? Engine { get; set; }
+		public List<VehiclePhoto>? Photos { get; set; }
+		public List<VehicleEvent>? Events { get; set; }
+		public List<Osago>? OsagoContracts { get; set; }
+		public List<VehicleOwnershipPeriod>? OwnershipPeriods { get; set; }
+		public List<VehicleAd>? Ads { get; set; }
 	}
 }
diff --git a/AutoCatCore/Model/VehicleAd.cs b/AutoCatCore/Model/VehicleAd.cs
index ca240a2..ea2df11 100644
--- a/AutoCatCore/Model/VehicleAd.cs
+++ b/AutoCatCore/Model/VehicleAd.cs
@@ -5,13 +5,20 @@ namespace AutoCatCore.Model
 	public class VehicleAd
 	{
 		public int Id { get; set; }
-		public string Url { get; set; }
-		public string Price { get; set; }
-		public double Date { get; set; }
-		public string Mileage { get; set; }
-		public string Region { get; set; }
-		public string City { get; set; }
-		public string AdDescription { get; set; }
-		public List<string> Photos { get; set; }
+		[MaxLength(200)]
+		public string? Url { get; set; }
+		[MaxLength(50)]
+		public string? Price { get; set; }
+		[MaxLength(50)]
+		public double? Date { get; set; }
+		[MaxLength(50)]
+		public string? Mileage { get; set; }
+		[MaxLength(100)]
+		public string? Region { get; set; }
+		[MaxLength(100)]
+		public string? City { get; set; }
+		[MaxLength(500)]
+		public string? AdDescription { get; set; }
+		public List<string>? Photos { get; set; }
 	}
 }
diff --git a/AutoCatCore/Model/VehicleBrand.cs b/AutoCatCore/Model/VehicleBrand.cs
index 273fe35..37602ca 100644
--- a/AutoCatCore/Model/VehicleBrand.cs
+++ b/AutoCatCore/Model/VehicleBrand.cs
@@ -1,9 +1,14 @@
-namespace AutoCatCore.Model
+using System.ComponentModel.DataAnnotations;
+
+namespace AutoCatCore.Model
 {
 	public class VehicleBrand
 	{
 		public int Id { get; set; }
-		public VehicleName Name { get; set; }
-		public string Logo { get; set; }
+		
+		public VehicleName? Name { get; set; }
+		
+		[MaxLength(200)]
+		public string? Logo { get; set; }
 	}
 }
diff --git a/AutoCatCore/Model/VehicleEngine.cs b/AutoCatCore/Model/VehicleEngine.cs
index b6db6ed..53eb2b7 100644
--- a/AutoCatCore/Model/VehicleEngine.cs
+++ b/AutoCatCore/Model/VehicleEngine.cs
@@ -1,12 +1,21 @@
-namespace AutoCatCore.Model
+using System.ComponentModel.DataAnnotations;
+
+namespace AutoCatCore.Model
 {
 	public class VehicleEngine
 	{
 		public int Id { get; set; }
-		public string Number { get; set; }
+		
+		[MaxLength(100)]
+		public string? Number { get; set; }
+		
 		public int? Volume { get; set; }
+		
 		public double? PowerKw { get; set; }
+		
 		public double? PowerHp { get; set; }
-		public string FuelType { get; set; }
+		
+		[MaxLength(100)]
+		public string? FuelType { get; set; }
 	}
 }
diff --git a/AutoCatCore/Model/VehicleEvent.cs b/AutoCatCore/Model/VehicleEvent.cs
index b20e3b2..4ca8b21 100644
--- a/AutoCatCore/Model/VehicleEvent.cs
+++ b/AutoCatCore/Model/VehicleEvent.cs
@@ -5,9 +5,14 @@ namespace AutoCatCore.Model
 	public class VehicleEvent
 	{
 		public string Id { get; set; }
-		public double Date { get; set; }
-		public double Latitude { get; set; }
-		public double Longitude { get; set; }
-		public string Address { get; set; }
+		
+		public double? Date { get; set; }
+		
+		public double? Latitude { get; set; }
+		
+		public double? Longitude { get; set; }
+		
+		[MaxLength(100)]
+		public string? Address { get; set; }
 	}
 }
diff --git a/AutoCatCore/Model/VehicleModel.cs b/AutoCatCore/Model/VehicleModel.cs
index 06cad2d..8b2e9ec 100644
--- a/AutoCatCore/Model/VehicleModel.cs
+++ b/AutoCatCore/Model/VehicleModel.cs
@@ -3,6 +3,6 @@
 	public class VehicleModel
 	{
 		public int Id { get; set; }
-		public VehicleName Name { get; set; }
+		public VehicleName? Name { get; set; }
 	}
 }
diff --git a/AutoCatCore/Model/VehicleName.cs b/AutoCatCore/Model/VehicleName.cs
index ee8b631..1f00a9d 100644
--- a/AutoCatCore/Model/VehicleName.cs
+++ b/AutoCatCore/Model/VehicleName.cs
@@ -1,11 +1,16 @@
-using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
 
 namespace AutoCatCore.Model
 {
 	public class VehicleName
 	{
 		public int Id { get; set; }
-		public string Original { get; set; }
-		public string Normalized { get; set; }
+		
+		[MaxLength(100)]
+		public string? Original { get; set; }
+		
+		[MaxLength(100)]
+		public string? Normalized { get; set; }
 	}
 }
diff --git a/AutoCatCore/Model/VehicleOwnershipPeriod.cs b/AutoCatCore/Model/VehicleOwnershipPeriod.cs
index bb14f9a..50acf88 100644
--- a/AutoCatCore/Model/VehicleOwnershipPeriod.cs
+++ b/AutoCatCore/Model/VehicleOwnershipPeriod.cs
@@ -1,18 +1,40 @@
-namespace AutoCatCore.Model
+using System.ComponentModel.DataAnnotations;
+
+namespace AutoCatCore.Model
 {
 	public class VehicleOwnershipPeriod
 	{
 		public int Id { get; set; }
-		public string LastOperation { get; set; }
-		public string OwnerType { get; set; }
-		public Int64 From { get; set; }
-		public Int64 To { get; set; }
-		public string Region { get; set; }
-		public string RegistrationRegion { get; set; }
-		public string Locality { get; set; }
-		public string Code { get; set; }
-		public string Street { get; set; }
-		public string Building { get; set; }
-		public string Inn { get; set; }
+		
+		[MaxLength(500)]
+		public string? LastOperation { get; set; }
+		
+		[MaxLength(100)]
+		public string? OwnerType { get; set; }
+		
+		public long? From { get; set; }
+		
+		public long? To { get; set; }
+		
+		[MaxLength(300)]
+		public string? Region { get; set; }
+		
+		[MaxLength(300)]
+		public string? RegistrationRegion { get; set; }
+		
+		[MaxLength(100)]
+		public string? Locality { get; set; }
+		
+		[MaxLength(100)]
+		public string? Code { get; set; }
+		
+		[MaxLength(100)]
+		public string? Street { get; set; }
+		
+		[MaxLength(100)]
+		public string? Building { get; set; }
+		
+		[MaxLength(100)]
+		public string? Inn { get; set; }
 	}
 }
diff --git a/AutoCatCore/Model/VehiclePhoto.cs b/AutoCatCore/Model/VehiclePhoto.cs
index 087c98c..81a85c7 100644
--- a/AutoCatCore/Model/VehiclePhoto.cs
+++ b/AutoCatCore/Model/VehiclePhoto.cs
@@ -1,11 +1,20 @@
-namespace AutoCatCore.Model
+using System.ComponentModel.DataAnnotations;
+
+namespace AutoCatCore.Model
 {
 	public class VehiclePhoto
 	{
 		public int Id { get; set; }
-		public string Brand { get; set; }
-		public string Model { get; set; }
-		public double Date { get; set; }
-		public string Url { get; set; }
+		
+		[MaxLength(100)]
+		public string? Brand { get; set; }
+		
+		[MaxLength(100)]
+		public string? Model { get; set; }
+		
+		public double? Date { get; set; }
+		
+		[MaxLength(500)]
+		public string? Url { get; set; }
 	}
 }
diff --git a/AutoCatCore/Services/Storage/StorageService.cs b/AutoCatCore/Services/Storage/StorageService.cs
index b35d4b7..ae5109d 100644
--- a/AutoCatCore/Services/Storage/StorageService.cs
+++ b/AutoCatCore/Services/Storage/StorageService.cs
@@ -1,5 +1,8 @@
+using System.Collections.ObjectModel;
+using System.Collections.Specialized;
 using AutoCatCore.Model;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.ChangeTracking;
 
 namespace AutoCatCore.Services.Storage;
 
@@ -38,4 +41,9 @@ public class StorageService: IStorageService
         await _dbContext.Vehicles.AddAsync(vehicle);
         await _dbContext.SaveChangesAsync();
     }
+
+    public T GetVehicles<T>() where T: INotifyCollectionChanged
+    {
+        return _dbContext.Vehicles.Local;
+    }
 }
\ No newline at end of file
diff --git a/AutoCatCore/autocat.db b/AutoCatCore/autocat.db
new file mode 100644
index 0000000..78d13d8
Binary files /dev/null and b/AutoCatCore/autocat.db differ