shoc-backend/Data.SeaHavenIndustries/Migrations/20260916140128_SH278_VendorCompanyArea.cs

using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace Data.SeaHavenIndustries.Migrations
{
    /// <inheritdoc />
    public partial class SH278_VendorCompanyArea : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AddColumn<int>(
                name: "AreaId",
                table: "VendorCompanies",
                type: "int",
                nullable: true);

            migrationBuilder.CreateTable(
                name: "Areas",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Name = table.Column<string>(type: "nvarchar(128)", maxLength: 128, nullable: false),
                    NormalizedName = table.Column<string>(type: "nvarchar(128)", maxLength: 128, nullable: false),
                    IsActive = table.Column<bool>(type: "bit", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Areas", x => x.Id);
                });

            migrationBuilder.CreateIndex(
                name: "IX_VendorCompanies_AreaId",
                table: "VendorCompanies",
                column: "AreaId");

            migrationBuilder.CreateIndex(
                name: "IX_Areas_NormalizedName",
                table: "Areas",
                column: "NormalizedName",
                unique: true);

            // SH-278 v1 seed of the four dispatcher territories confirmed by Product.
            // Names match the merged SH-273 Sites mapping (East / Central / West /
            // California). Ids are stable; later renames change only the display name.
            // Existing vendor companies stay Unassigned (no backfill).
            migrationBuilder.InsertData(
                table: "Areas",
                columns: new[] { "Id", "Name", "NormalizedName", "IsActive" },
                values: new object[,]
                {
                    { 1, "East", "east", true },
                    { 2, "Central", "central", true },
                    { 3, "West", "west", true },
                    { 4, "California", "california", true }
                });

            migrationBuilder.AddForeignKey(
                name: "FK_VendorCompanies_Areas_AreaId",
                table: "VendorCompanies",
                column: "AreaId",
                principalTable: "Areas",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_VendorCompanies_Areas_AreaId",
                table: "VendorCompanies");

            migrationBuilder.DropTable(
                name: "Areas");

            migrationBuilder.DropIndex(
                name: "IX_VendorCompanies_AreaId",
                table: "VendorCompanies");

            migrationBuilder.DropColumn(
                name: "AreaId",
                table: "VendorCompanies");
        }
    }
}