final

WebStore.DAL/Class1.cs

@@ -0,0 +1,8 @@
+using System;
+
+namespace WebStore.DAL
+{
+    public class Class1
+    {
+    }
+}

WebStore.DAL/Context/WebStoreDB.cs

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+using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
+using WebStore.Domain.Entities;
+using WebStore.Domain.Entities.Identity;
+
+namespace WebStore.DAL.Context
+{
+    // Консоль диспетчера пакетов
+    // 1. Переориентировать её на WebStore.DB
+    // 2. Выполнить Add-Migration Initial
+    // 3. Выполнить Update-Database
+    public class WebStoreDB : IdentityDbContext<User, Role, string>
+    {
+        public DbSet<Product> Products { get; set; }
+
+        public DbSet<Section> Sections { get; set; }
+
+        public DbSet<Brand> Brands { get; set; }
+
+        public DbSet<Employee> Employees { get; set; }
+
+        public WebStoreDB(DbContextOptions<WebStoreDB> Options) : base(Options) { }
+    }
+}

WebStore.DAL/Migrations/20200707170754_Initial.cs

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+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace WebStore.DAL.Migrations
+{
+    public partial class Initial : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "ProductBrands",
+                columns: table => new
+                {
+                    Id = table.Column<int>(nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(nullable: false),
+                    Order = table.Column<int>(nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProductBrands", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ProductSections",
+                columns: table => new
+                {
+                    Id = table.Column<int>(nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(nullable: false),
+                    Order = table.Column<int>(nullable: false),
+                    ParentId = table.Column<int>(nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProductSections", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ProductSections_ProductSections_ParentId",
+                        column: x => x.ParentId,
+                        principalTable: "ProductSections",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Restrict);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Products",
+                columns: table => new
+                {
+                    Id = table.Column<int>(nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(nullable: false),
+                    Order = table.Column<int>(nullable: false),
+                    SectionId = table.Column<int>(nullable: false),
+                    BrandId = table.Column<int>(nullable: true),
+                    ImageUrl = table.Column<string>(nullable: true),
+                    Price = table.Column<decimal>(type: "decimal(18,2)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Products", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Products_ProductBrands_BrandId",
+                        column: x => x.BrandId,
+                        principalTable: "ProductBrands",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Restrict);
+                    table.ForeignKey(
+                        name: "FK_Products_ProductSections_SectionId",
+                        column: x => x.SectionId,
+                        principalTable: "ProductSections",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Products_BrandId",
+                table: "Products",
+                column: "BrandId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Products_SectionId",
+                table: "Products",
+                column: "SectionId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductSections_ParentId",
+                table: "ProductSections",
+                column: "ParentId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Products");
+
+            migrationBuilder.DropTable(
+                name: "ProductBrands");
+
+            migrationBuilder.DropTable(
+                name: "ProductSections");
+        }
+    }
+}