// // FeedlyAddFeedToCollectionOperation.swift // Account // // Created by Kiel Gillard on 11/10/19. // Copyright © 2019 Ranchero Software, LLC. All rights reserved. // import Foundation protocol FeedlyAddFeedToCollectionService { func addFeed(with feedId: FeedlyFeedResourceId, title: String?, toCollectionWith collectionId: String, completionHandler: @escaping (Result<[FeedlyFeed], Error>) -> ()) } final class FeedlyAddFeedToCollectionOperation: FeedlyOperation, FeedlyFeedsAndFoldersProviding, FeedlyResourceProviding { let feedName: String? let collectionId: String let service: FeedlyAddFeedToCollectionService let account: Account let folder: Folder let feedResource: FeedlyFeedResourceId init(account: Account, folder: Folder, feedResource: FeedlyFeedResourceId, feedName: String? = nil, collectionId: String, service: FeedlyAddFeedToCollectionService) { self.account = account self.folder = folder self.feedResource = feedResource self.feedName = feedName self.collectionId = collectionId self.service = service } private(set) var feedsAndFolders = [([FeedlyFeed], Folder)]() var resource: FeedlyResourceId { return feedResource } override func main() { guard !isCancelled else { return didFinish() } service.addFeed(with: feedResource, title: feedName, toCollectionWith: collectionId) { [weak self] result in guard let self = self else { return } guard !self.isCancelled else { return self.didFinish() } self.didCompleteRequest(result) } } private func didCompleteRequest(_ result: Result<[FeedlyFeed], Error>) { switch result { case .success(let feedlyFeeds): feedsAndFolders = [(feedlyFeeds, folder)] let feedsWithCreatedFeedId = feedlyFeeds.filter { $0.id == resource.id } if feedsWithCreatedFeedId.isEmpty { didFinish(AccountError.createErrorNotFound) } else { didFinish() } case .failure(let error): didFinish(error) } } }