proposal-system/api/src/ProposalSystem.Infrastructure/Data/Migrations/20260522000000_AddPoNumber.cs

using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace ProposalSystem.Infrastructure.Data.Migrations
{
    /// <inheritdoc />
    public partial class AddPoNumber : Migration
    {
        private static readonly Guid AmazonCustomerId = Guid.Parse("a1b2c3d4-0000-0000-0000-000000000001");

        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AddColumn<string>(
                name: "PoNumber",
                table: "Proposals",
                type: "text",
                nullable: true);

            migrationBuilder.InsertData(
                table: "Customers",
                columns: new[] { "Id", "Name", "Addresses", "CreatedAt", "UpdatedAt" },
                values: new object[]
                {
                    AmazonCustomerId,
                    "Amazon Services, LLC",
                    null,
                    new DateTime(2026, 5, 22, 0, 0, 0, DateTimeKind.Utc),
                    new DateTime(2026, 5, 22, 0, 0, 0, DateTimeKind.Utc),
                });
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DeleteData(
                table: "Customers",
                keyColumn: "Id",
                keyValue: AmazonCustomerId);

            migrationBuilder.DropColumn(
                name: "PoNumber",
                table: "Proposals");
        }
    }
}