filestack/filestack-swift

//
//  FallbackTransform.swift
//  FilestackSDK
//
//  Created by Ruben Nine on 6/19/19.
//  Copyright © 2019 Filestack. All rights reserved.
//

import Foundation

/// Returns default file if the source of the transformation does not work or the transformation fails.
public class FallbackTransform: Transform {
    // MARK: - Lifecycle

    /// Initializes a `FallbackTransform` object.
    public init() {
        super.init(name: "fallback")
    }
}

// MARK: - Public Functions

public extension FallbackTransform {
    /// Adds the `handle` option.
    ///
    /// - Parameter value: the HANDLE of the file that should be returned.
    @discardableResult
    func handle(_ value: String) -> Self {
        return appending(key: "handle", value: value)
    }

    /// Adds the `cache` option.
    ///
    /// - Parameter value: The number of seconds fallback response should be cached in CDN.
    @discardableResult
    func cache(_ value: Int) -> Self {
        return appending(key: "cache", value: value)
    }
}