import FluentKit

/// Adds an owner to shops and a sold date to listings.
///
/// Registered ahead of ``SeedCatalogue``, whose models write both columns. The owner carries no foreign key: on a fresh database the
/// `users` table does not exist yet at this point.
struct AddTradeColumns: AsyncMigration {

    // MARK: Methods

    func prepare(on database: Database) async throws {
        try await database.schema(ShopRecord.schema)
            .field("owner_id", .uuid)
            .update()
        try await database.schema(ListingRecord.schema)
            .field("sold_at", .datetime)
            .update()
    }

    func revert(on database: Database) async throws {
        try await database.schema(ListingRecord.schema)
            .deleteField("sold_at")
            .update()
        try await database.schema(ShopRecord.schema)
            .deleteField("owner_id")
            .update()
    }

}