import FluentKit

/// Adds the declared defects and the photos to listings.
///
/// Registered ahead of ``SeedCatalogue``, whose model writes both columns.
struct AddListingDeclarations: AsyncMigration {

    // MARK: Methods

    func prepare(on database: Database) async throws {
        // One column per update: SQLite adds no more in a single statement.
        try await database.schema(ListingRecord.schema)
            .field("defects", .string)
            .update()
        try await database.schema(ListingRecord.schema)
            .field("photos", .string)
            .update()
    }

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

}