TakeoutSaaS.TenantApi/src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/20260222000604_AddProductComboGroups.cs

using System;
using Microsoft.EntityFrameworkCore.Migrations;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;

#nullable disable

namespace TakeoutSaaS.Infrastructure.Migrations
{
    /// <inheritdoc />
    public partial class AddProductComboGroups : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "product_combo_group_items",
                columns: table => new
                {
                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    ComboGroupId = table.Column<long>(type: "bigint", nullable: false, comment: "所属套餐分组 ID。"),
                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "商品 ID。"),
                    Quantity = table.Column<int>(type: "integer", nullable: false, comment: "数量。"),
                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_product_combo_group_items", x => x.Id);
                },
                comment: "套餐分组内商品。");

            migrationBuilder.CreateTable(
                name: "product_combo_groups",
                columns: table => new
                {
                    Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    ProductId = table.Column<long>(type: "bigint", nullable: false, comment: "套餐商品 ID。"),
                    Name = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false, comment: "分组名称。"),
                    MinSelect = table.Column<int>(type: "integer", nullable: false, comment: "最小选择数。"),
                    MaxSelect = table.Column<int>(type: "integer", nullable: false, comment: "最大选择数。"),
                    SortOrder = table.Column<int>(type: "integer", nullable: false, comment: "排序值。"),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
                    DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
                    CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
                    UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
                    DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
                    TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_product_combo_groups", x => x.Id);
                },
                comment: "套餐分组。");

            migrationBuilder.CreateIndex(
                name: "IX_product_combo_group_items_TenantId_ComboGroupId_ProductId",
                table: "product_combo_group_items",
                columns: new[] { "TenantId", "ComboGroupId", "ProductId" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_product_combo_group_items_TenantId_ComboGroupId_SortOrder",
                table: "product_combo_group_items",
                columns: new[] { "TenantId", "ComboGroupId", "SortOrder" });

            migrationBuilder.CreateIndex(
                name: "IX_product_combo_groups_TenantId_ProductId_Name",
                table: "product_combo_groups",
                columns: new[] { "TenantId", "ProductId", "Name" });

            migrationBuilder.CreateIndex(
                name: "IX_product_combo_groups_TenantId_ProductId_SortOrder",
                table: "product_combo_groups",
                columns: new[] { "TenantId", "ProductId", "SortOrder" });
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(
                name: "product_combo_group_items");

            migrationBuilder.DropTable(
                name: "product_combo_groups");
        }
    }
}