MoneyMap/MoneyMap/Migrations/20251010003334_SplitCardsAndAccounts.cs

using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace MoneyMap.Migrations
{
    /// <inheritdoc />
    public partial class SplitCardsAndAccounts : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropIndex(
                name: "IX_Transactions_Date_Amount_Name_Memo_CardId",
                table: "Transactions");

            migrationBuilder.RenameColumn(
                name: "CardLast4",
                table: "Transactions",
                newName: "Last4");

            migrationBuilder.AlterColumn<int>(
                name: "CardId",
                table: "Transactions",
                type: "int",
                nullable: true,
                oldClrType: typeof(int),
                oldType: "int");

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

            migrationBuilder.CreateTable(
                name: "Accounts",
                columns: table => new
                {
                    Id = table.Column<int>(type: "int", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Institution = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
                    Last4 = table.Column<string>(type: "nvarchar(4)", maxLength: 4, nullable: false),
                    Owner = table.Column<string>(type: "nvarchar(100)", maxLength: 100, nullable: false),
                    AccountType = table.Column<int>(type: "int", nullable: false),
                    Nickname = table.Column<string>(type: "nvarchar(50)", maxLength: 50, nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Accounts", x => x.Id);
                });

            migrationBuilder.CreateTable(
                name: "Transfers",
                columns: table => new
                {
                    Id = table.Column<long>(type: "bigint", nullable: false)
                        .Annotation("SqlServer:Identity", "1, 1"),
                    Date = table.Column<DateTime>(type: "datetime2", nullable: false),
                    Amount = table.Column<decimal>(type: "decimal(18,2)", nullable: false),
                    Description = table.Column<string>(type: "nvarchar(500)", maxLength: 500, nullable: false),
                    Notes = table.Column<string>(type: "nvarchar(max)", nullable: false),
                    SourceAccountId = table.Column<int>(type: "int", nullable: true),
                    DestinationAccountId = table.Column<int>(type: "int", nullable: true),
                    OriginalTransactionId = table.Column<long>(type: "bigint", nullable: true),
                    CreatedAt = table.Column<DateTime>(type: "datetime2", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Transfers", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Transfers_Accounts_DestinationAccountId",
                        column: x => x.DestinationAccountId,
                        principalTable: "Accounts",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_Transfers_Accounts_SourceAccountId",
                        column: x => x.SourceAccountId,
                        principalTable: "Accounts",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_Transfers_Transactions_OriginalTransactionId",
                        column: x => x.OriginalTransactionId,
                        principalTable: "Transactions",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.SetNull);
                });

            migrationBuilder.CreateIndex(
                name: "IX_Transactions_AccountId",
                table: "Transactions",
                column: "AccountId");

            migrationBuilder.CreateIndex(
                name: "IX_Transactions_Date_Amount_Name_Memo_CardId_AccountId",
                table: "Transactions",
                columns: new[] { "Date", "Amount", "Name", "Memo", "CardId", "AccountId" },
                unique: true,
                filter: "[CardId] IS NOT NULL AND [AccountId] IS NOT NULL");

            migrationBuilder.CreateIndex(
                name: "IX_Accounts_Institution_Last4_Owner",
                table: "Accounts",
                columns: new[] { "Institution", "Last4", "Owner" });

            migrationBuilder.CreateIndex(
                name: "IX_Transfers_Date",
                table: "Transfers",
                column: "Date");

            migrationBuilder.CreateIndex(
                name: "IX_Transfers_DestinationAccountId",
                table: "Transfers",
                column: "DestinationAccountId");

            migrationBuilder.CreateIndex(
                name: "IX_Transfers_OriginalTransactionId",
                table: "Transfers",
                column: "OriginalTransactionId");

            migrationBuilder.CreateIndex(
                name: "IX_Transfers_SourceAccountId",
                table: "Transfers",
                column: "SourceAccountId");

            migrationBuilder.AddForeignKey(
                name: "FK_Transactions_Accounts_AccountId",
                table: "Transactions",
                column: "AccountId",
                principalTable: "Accounts",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);
        }

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

            migrationBuilder.DropTable(
                name: "Transfers");

            migrationBuilder.DropTable(
                name: "Accounts");

            migrationBuilder.DropIndex(
                name: "IX_Transactions_AccountId",
                table: "Transactions");

            migrationBuilder.DropIndex(
                name: "IX_Transactions_Date_Amount_Name_Memo_CardId_AccountId",
                table: "Transactions");

            migrationBuilder.DropColumn(
                name: "AccountId",
                table: "Transactions");

            migrationBuilder.RenameColumn(
                name: "Last4",
                table: "Transactions",
                newName: "CardLast4");

            migrationBuilder.AlterColumn<int>(
                name: "CardId",
                table: "Transactions",
                type: "int",
                nullable: false,
                defaultValue: 0,
                oldClrType: typeof(int),
                oldType: "int",
                oldNullable: true);

            migrationBuilder.CreateIndex(
                name: "IX_Transactions_Date_Amount_Name_Memo_CardId",
                table: "Transactions",
                columns: new[] { "Date", "Amount", "Name", "Memo", "CardId" },
                unique: true);
        }
    }
}