ERP_Distribution/Distribution/Migrations/20260821130000_AddSchemeFreeGoodsRuleAndBundleComponents.cs

using System;
using Distribution.Data;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace Distribution.Migrations
{
    [DbContext(typeof(AppDBContext))]
    [Migration("20260821130000_AddSchemeFreeGoodsRuleAndBundleComponents")]
    /// <inheritdoc />
    public partial class AddSchemeFreeGoodsRuleAndBundleComponents : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AlterColumn<string>(
                name: "RuleConfig",
                table: "Schemes",
                type: "longtext",
                nullable: true,
                oldClrType: typeof(string),
                oldType: "longtext")
                .Annotation("MySql:CharSet", "utf8mb4")
                .OldAnnotation("MySql:CharSet", "utf8mb4");

            migrationBuilder.AddColumn<Guid>(
                name: "FK_TriggerItemId",
                table: "Schemes",
                type: "char(36)",
                nullable: true,
                collation: "ascii_general_ci");

            migrationBuilder.AddColumn<int>(
                name: "TriggerQty",
                table: "Schemes",
                type: "int",
                nullable: true);

            migrationBuilder.AddColumn<Guid>(
                name: "FK_FreeItemId",
                table: "Schemes",
                type: "char(36)",
                nullable: true,
                collation: "ascii_general_ci");

            migrationBuilder.AddColumn<decimal>(
                name: "FreeQty",
                table: "Schemes",
                type: "decimal(65,30)",
                nullable: true);

            migrationBuilder.CreateTable(
                name: "SchemeBundleComponents",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
                    FK_SchemeId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
                    FK_ItemId = table.Column<Guid>(type: "char(36)", nullable: false, collation: "ascii_general_ci"),
                    Qty = table.Column<int>(type: "int", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_SchemeBundleComponents", x => x.Id);
                    table.ForeignKey(
                        name: "FK_SchemeBundleComponents_Schemes_FK_SchemeId",
                        column: x => x.FK_SchemeId,
                        principalTable: "Schemes",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_SchemeBundleComponents_Items_FK_ItemId",
                        column: x => x.FK_ItemId,
                        principalTable: "Items",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                })
                .Annotation("MySql:CharSet", "utf8mb4");

            migrationBuilder.CreateIndex(
                name: "IX_Schemes_FK_TriggerItemId",
                table: "Schemes",
                column: "FK_TriggerItemId");

            migrationBuilder.CreateIndex(
                name: "IX_Schemes_FK_FreeItemId",
                table: "Schemes",
                column: "FK_FreeItemId");

            migrationBuilder.CreateIndex(
                name: "IX_SchemeBundleComponents_FK_SchemeId_FK_ItemId",
                table: "SchemeBundleComponents",
                columns: new[] { "FK_SchemeId", "FK_ItemId" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_SchemeBundleComponents_FK_ItemId",
                table: "SchemeBundleComponents",
                column: "FK_ItemId");

            migrationBuilder.AddForeignKey(
                name: "FK_Schemes_Items_FK_TriggerItemId",
                table: "Schemes",
                column: "FK_TriggerItemId",
                principalTable: "Items",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);

            migrationBuilder.AddForeignKey(
                name: "FK_Schemes_Items_FK_FreeItemId",
                table: "Schemes",
                column: "FK_FreeItemId",
                principalTable: "Items",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);
        }

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

            migrationBuilder.DropForeignKey(
                name: "FK_Schemes_Items_FK_TriggerItemId",
                table: "Schemes");

            migrationBuilder.DropForeignKey(
                name: "FK_Schemes_Items_FK_FreeItemId",
                table: "Schemes");

            migrationBuilder.DropIndex(
                name: "IX_Schemes_FK_TriggerItemId",
                table: "Schemes");

            migrationBuilder.DropIndex(
                name: "IX_Schemes_FK_FreeItemId",
                table: "Schemes");

            migrationBuilder.DropColumn(
                name: "FK_TriggerItemId",
                table: "Schemes");

            migrationBuilder.DropColumn(
                name: "TriggerQty",
                table: "Schemes");

            migrationBuilder.DropColumn(
                name: "FK_FreeItemId",
                table: "Schemes");

            migrationBuilder.DropColumn(
                name: "FreeQty",
                table: "Schemes");

            migrationBuilder.AlterColumn<string>(
                name: "RuleConfig",
                table: "Schemes",
                type: "longtext",
                nullable: false,
                oldClrType: typeof(string),
                oldType: "longtext",
                oldNullable: true)
                .Annotation("MySql:CharSet", "utf8mb4")
                .OldAnnotation("MySql:CharSet", "utf8mb4");
        }
    }
}