866 lines
26 KiB
Swift
866 lines
26 KiB
Swift
//
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// CloudKitAppDelegate.swift
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// Account
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//
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// Created by Maurice Parker on 3/18/20.
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// Copyright © 2020 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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import CloudKit
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import SystemConfiguration
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import os.log
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import SyncDatabase
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import RSCore
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import RSParser
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import Articles
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import ArticlesDatabase
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import RSWeb
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import Secrets
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enum CloudKitAccountDelegateError: LocalizedError {
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case invalidParameter
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case unknown
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var errorDescription: String? {
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return NSLocalizedString("An unexpected CloudKit error occurred.", comment: "An unexpected CloudKit error occurred.")
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}
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}
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final class CloudKitAccountDelegate: AccountDelegate {
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private var log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "CloudKit")
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private let database: SyncDatabase
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private let container: CKContainer = {
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let orgID = Bundle.main.object(forInfoDictionaryKey: "OrganizationIdentifier") as! String
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return CKContainer(identifier: "iCloud.\(orgID).NetNewsWire")
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}()
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private let accountZone: CloudKitAccountZone
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private let articlesZone: CloudKitArticlesZone
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private let mainThreadOperationQueue = MainThreadOperationQueue()
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private lazy var refresher: LocalAccountRefresher = {
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let refresher = LocalAccountRefresher()
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refresher.delegate = self
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return refresher
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}()
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weak var account: Account?
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let behaviors: AccountBehaviors = []
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let isOPMLImportInProgress = false
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let server: String? = nil
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var credentials: Credentials?
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var accountMetadata: AccountMetadata?
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var refreshProgress = DownloadProgress(numberOfTasks: 0)
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init(dataFolder: String) {
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accountZone = CloudKitAccountZone(container: container)
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articlesZone = CloudKitArticlesZone(container: container)
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let databaseFilePath = (dataFolder as NSString).appendingPathComponent("Sync.sqlite3")
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database = SyncDatabase(databaseFilePath: databaseFilePath)
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}
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func receiveRemoteNotification(for account: Account, userInfo: [AnyHashable : Any], completion: @escaping () -> Void) {
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let op = CloudKitRemoteNotificationOperation(accountZone: accountZone, articlesZone: articlesZone, userInfo: userInfo)
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op.completionBlock = { mainThreadOperaion in
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completion()
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}
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mainThreadOperationQueue.add(op)
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}
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func refreshAll(for account: Account, completion: @escaping (Result<Void, Error>) -> Void) {
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guard refreshProgress.isComplete else {
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completion(.success(()))
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return
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}
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let reachability = SCNetworkReachabilityCreateWithName(nil, "apple.com")
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var flags = SCNetworkReachabilityFlags()
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guard SCNetworkReachabilityGetFlags(reachability!, &flags), flags.contains(.reachable) else {
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completion(.success(()))
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return
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}
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standardRefreshAll(for: account, completion: completion)
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}
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func sendArticleStatus(for account: Account, completion: @escaping ((Result<Void, Error>) -> Void)) {
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sendArticleStatus(for: account, showProgress: false, completion: completion)
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}
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func refreshArticleStatus(for account: Account, completion: @escaping ((Result<Void, Error>) -> Void)) {
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let op = CloudKitReceiveStatusOperation(articlesZone: articlesZone)
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op.completionBlock = { mainThreadOperaion in
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if mainThreadOperaion.isCanceled {
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completion(.failure(CloudKitAccountDelegateError.unknown))
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} else {
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completion(.success(()))
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}
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}
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mainThreadOperationQueue.add(op)
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}
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func importOPML(for account:Account, opmlFile: URL, completion: @escaping (Result<Void, Error>) -> Void) {
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guard refreshProgress.isComplete else {
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completion(.success(()))
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return
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}
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var fileData: Data?
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do {
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fileData = try Data(contentsOf: opmlFile)
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} catch {
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completion(.failure(error))
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return
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}
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guard let opmlData = fileData else {
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completion(.success(()))
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return
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}
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let parserData = ParserData(url: opmlFile.absoluteString, data: opmlData)
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var opmlDocument: RSOPMLDocument?
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do {
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opmlDocument = try RSOPMLParser.parseOPML(with: parserData)
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} catch {
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completion(.failure(error))
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return
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}
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guard let loadDocument = opmlDocument else {
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completion(.success(()))
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return
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}
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guard let opmlItems = loadDocument.children, let rootExternalID = account.externalID else {
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return
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}
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let normalizedItems = OPMLNormalizer.normalize(opmlItems)
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refreshProgress.addToNumberOfTasksAndRemaining(1)
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self.accountZone.importOPML(rootExternalID: rootExternalID, items: normalizedItems) { _ in
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self.refreshProgress.completeTask()
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self.standardRefreshAll(for: account, completion: completion)
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}
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}
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func createWebFeed(for account: Account, url urlString: String, name: String?, container: Container, completion: @escaping (Result<WebFeed, Error>) -> Void) {
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guard let url = URL(string: urlString), let urlComponents = URLComponents(url: url, resolvingAgainstBaseURL: false) else {
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completion(.failure(LocalAccountDelegateError.invalidParameter))
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return
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}
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let editedName = name == nil || name!.isEmpty ? nil : name
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// Username should be part of the URL on new feed adds
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if let feedProvider = FeedProviderManager.shared.best(for: urlComponents) {
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createProviderWebFeed(for: account, urlComponents: urlComponents, editedName: editedName, container: container, feedProvider: feedProvider, completion: completion)
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} else {
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createRSSWebFeed(for: account, url: url, editedName: editedName, container: container, completion: completion)
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}
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}
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func renameWebFeed(for account: Account, with feed: WebFeed, to name: String, completion: @escaping (Result<Void, Error>) -> Void) {
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let editedName = name.isEmpty ? nil : name
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refreshProgress.addToNumberOfTasksAndRemaining(1)
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accountZone.renameWebFeed(feed, editedName: editedName) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success:
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feed.editedName = name
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completion(.success(()))
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case .failure(let error):
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self.processAccountError(account, error)
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completion(.failure(error))
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}
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}
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}
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func removeWebFeed(for account: Account, with feed: WebFeed, from container: Container, completion: @escaping (Result<Void, Error>) -> Void) {
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removeWebFeedFromCloud(for: account, with: feed, from: container) { result in
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switch result {
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case .success:
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container.removeWebFeed(feed)
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completion(.success(()))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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func moveWebFeed(for account: Account, with feed: WebFeed, from fromContainer: Container, to toContainer: Container, completion: @escaping (Result<Void, Error>) -> Void) {
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refreshProgress.addToNumberOfTasksAndRemaining(1)
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accountZone.moveWebFeed(feed, from: fromContainer, to: toContainer) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success:
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fromContainer.removeWebFeed(feed)
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toContainer.addWebFeed(feed)
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completion(.success(()))
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case .failure(let error):
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self.processAccountError(account, error)
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completion(.failure(error))
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}
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}
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}
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func addWebFeed(for account: Account, with feed: WebFeed, to container: Container, completion: @escaping (Result<Void, Error>) -> Void) {
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refreshProgress.addToNumberOfTasksAndRemaining(1)
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accountZone.addWebFeed(feed, to: container) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success:
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container.addWebFeed(feed)
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completion(.success(()))
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case .failure(let error):
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self.processAccountError(account, error)
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completion(.failure(error))
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}
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}
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}
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func restoreWebFeed(for account: Account, feed: WebFeed, container: Container, completion: @escaping (Result<Void, Error>) -> Void) {
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refreshProgress.addToNumberOfTasksAndRemaining(2)
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accountZone.createWebFeed(url: feed.url, name: feed.name, editedName: feed.editedName, homePageURL: feed.homePageURL, container: container) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success(let externalID):
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feed.externalID = externalID
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container.addWebFeed(feed)
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account.fetchArticlesAsync(.webFeed(feed)) { result in
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switch result {
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case .success(let articles):
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self.articlesZone.saveNewArticles(articles) { result in
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self.refreshProgress.completeTask()
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if case .failure(let error) = result {
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os_log(.error, log: self.log, "Restore articles error: %@.", error.localizedDescription)
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}
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completion(.success(()))
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}
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case .failure(let error):
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self.refreshProgress.clear()
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completion(.failure(error))
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}
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}
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case .failure(let error):
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self.refreshProgress.clear()
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self.processAccountError(account, error)
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completion(.failure(error))
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}
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}
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}
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func createFolder(for account: Account, name: String, completion: @escaping (Result<Folder, Error>) -> Void) {
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refreshProgress.addToNumberOfTasksAndRemaining(1)
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accountZone.createFolder(name: name) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success(let externalID):
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if let folder = account.ensureFolder(with: name) {
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folder.externalID = externalID
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completion(.success(folder))
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} else {
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completion(.failure(FeedbinAccountDelegateError.invalidParameter))
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}
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case .failure(let error):
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self.processAccountError(account, error)
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completion(.failure(error))
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}
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}
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}
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func renameFolder(for account: Account, with folder: Folder, to name: String, completion: @escaping (Result<Void, Error>) -> Void) {
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refreshProgress.addToNumberOfTasksAndRemaining(1)
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accountZone.renameFolder(folder, to: name) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success:
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folder.name = name
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completion(.success(()))
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case .failure(let error):
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self.processAccountError(account, error)
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completion(.failure(error))
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}
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}
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}
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func removeFolder(for account: Account, with folder: Folder, completion: @escaping (Result<Void, Error>) -> Void) {
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refreshProgress.addToNumberOfTasksAndRemaining(2)
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accountZone.findWebFeedExternalIDs(for: folder) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success(let webFeedExternalIDs):
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let webFeeds = webFeedExternalIDs.compactMap { account.existingWebFeed(withExternalID: $0) }
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let group = DispatchGroup()
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var errorOccurred = false
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for webFeed in webFeeds {
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group.enter()
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self.removeWebFeedFromCloud(for: account, with: webFeed, from: folder) { result in
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group.leave()
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if case .failure(let error) = result {
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os_log(.error, log: self.log, "Remove folder, remove webfeed error: %@.", error.localizedDescription)
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errorOccurred = true
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}
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}
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}
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group.notify(queue: DispatchQueue.global(qos: .background)) {
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guard !errorOccurred else {
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self.refreshProgress.completeTask()
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completion(.failure(CloudKitAccountDelegateError.unknown))
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return
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}
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self.accountZone.removeFolder(folder) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success:
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account.removeFolder(folder)
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completion(.success(()))
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case .failure(let error):
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completion(.failure(error))
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}
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}
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}
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case .failure(let error):
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self.refreshProgress.completeTask()
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self.refreshProgress.completeTask()
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self.processAccountError(account, error)
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completion(.failure(error))
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}
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}
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}
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func restoreFolder(for account: Account, folder: Folder, completion: @escaping (Result<Void, Error>) -> Void) {
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guard let name = folder.name else {
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completion(.failure(LocalAccountDelegateError.invalidParameter))
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return
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}
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let feedsToRestore = folder.topLevelWebFeeds
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refreshProgress.addToNumberOfTasksAndRemaining(1 + feedsToRestore.count)
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accountZone.createFolder(name: name) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success(let externalID):
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folder.externalID = externalID
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account.addFolder(folder)
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let group = DispatchGroup()
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for feed in feedsToRestore {
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folder.topLevelWebFeeds.remove(feed)
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group.enter()
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self.restoreWebFeed(for: account, feed: feed, container: folder) { result in
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self.refreshProgress.completeTask()
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group.leave()
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switch result {
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case .success:
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break
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case .failure(let error):
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os_log(.error, log: self.log, "Restore folder feed error: %@.", error.localizedDescription)
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}
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}
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}
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group.notify(queue: DispatchQueue.main) {
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account.addFolder(folder)
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completion(.success(()))
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}
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case .failure(let error):
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self.processAccountError(account, error)
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completion(.failure(error))
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}
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}
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}
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func markArticles(for account: Account, articles: Set<Article>, statusKey: ArticleStatus.Key, flag: Bool) -> Set<Article>? {
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let syncStatuses = articles.map { article in
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return SyncStatus(articleID: article.articleID, key: SyncStatus.Key(statusKey), flag: flag)
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}
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try? database.insertStatuses(syncStatuses)
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let articles = try? account.update(articles, statusKey: statusKey, flag: flag)
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database.selectPendingCount { result in
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if let count = try? result.get(), count > 100 {
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self.sendArticleStatus(for: account, showProgress: false) { _ in }
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}
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}
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return articles
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}
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func accountDidInitialize(_ account: Account) {
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self.account = account
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accountZone.delegate = CloudKitAcountZoneDelegate(account: account, refreshProgress: refreshProgress, articlesZone: articlesZone)
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articlesZone.delegate = CloudKitArticlesZoneDelegate(account: account, database: database, articlesZone: articlesZone)
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database.resetAllSelectedForProcessing()
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// Check to see if this is a new account and initialize anything we need
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if account.externalID == nil {
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accountZone.findOrCreateAccount() { result in
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switch result {
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case .success(let externalID):
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account.externalID = externalID
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self.initialRefreshAll(for: account) { _ in }
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case .failure(let error):
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os_log(.error, log: self.log, "Error adding account container: %@", error.localizedDescription)
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}
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}
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accountZone.subscribeToZoneChanges()
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articlesZone.subscribeToZoneChanges()
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}
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}
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func accountWillBeDeleted(_ account: Account) {
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accountZone.resetChangeToken()
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articlesZone.resetChangeToken()
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}
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static func validateCredentials(transport: Transport, credentials: Credentials, endpoint: URL? = nil, completion: (Result<Credentials?, Error>) -> Void) {
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return completion(.success(nil))
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}
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// MARK: Suspend and Resume (for iOS)
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func suspendNetwork() {
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refresher.suspend()
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}
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func suspendDatabase() {
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database.suspend()
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}
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func resume() {
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refresher.resume()
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database.resume()
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}
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}
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private extension CloudKitAccountDelegate {
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func initialRefreshAll(for account: Account, completion: @escaping (Result<Void, Error>) -> Void) {
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func fail(_ error: Error) {
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self.processAccountError(account, error)
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self.refreshProgress.clear()
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completion(.failure(error))
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}
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refreshProgress.addToNumberOfTasksAndRemaining(3)
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accountZone.fetchChangesInZone() { result in
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self.refreshProgress.completeTask()
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let webFeeds = account.flattenedWebFeeds()
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self.refreshProgress.addToNumberOfTasksAndRemaining(webFeeds.count)
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switch result {
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case .success:
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self.refreshArticleStatus(for: account) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success:
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self.combinedRefresh(account, webFeeds) {
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self.refreshProgress.clear()
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account.metadata.lastArticleFetchEndTime = Date()
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}
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case .failure(let error):
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fail(error)
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}
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}
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case .failure(let error):
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fail(error)
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}
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}
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}
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func standardRefreshAll(for account: Account, completion: @escaping (Result<Void, Error>) -> Void) {
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let intialWebFeedsCount = account.flattenedWebFeeds().count
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refreshProgress.addToNumberOfTasksAndRemaining(3 + intialWebFeedsCount)
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func fail(_ error: Error) {
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self.processAccountError(account, error)
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self.refreshProgress.clear()
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completion(.failure(error))
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}
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accountZone.fetchChangesInZone() { result in
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switch result {
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case .success:
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self.refreshProgress.completeTask()
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let webFeeds = account.flattenedWebFeeds()
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self.refreshProgress.addToNumberOfTasksAndRemaining(webFeeds.count - intialWebFeedsCount)
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self.refreshArticleStatus(for: account) { result in
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switch result {
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case .success:
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self.refreshProgress.completeTask()
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self.combinedRefresh(account, webFeeds) {
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self.sendArticleStatus(for: account, showProgress: true) { _ in
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self.refreshProgress.clear()
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account.metadata.lastArticleFetchEndTime = Date()
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}
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}
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case .failure(let error):
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fail(error)
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}
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}
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case .failure(let error):
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fail(error)
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}
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}
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}
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func combinedRefresh(_ account: Account, _ webFeeds: Set<WebFeed>, completion: @escaping () -> Void) {
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var refresherWebFeeds = Set<WebFeed>()
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let group = DispatchGroup()
|
|
|
|
for webFeed in webFeeds {
|
|
if let components = URLComponents(string: webFeed.url), let feedProvider = FeedProviderManager.shared.best(for: components) {
|
|
group.enter()
|
|
feedProvider.refresh(webFeed) { result in
|
|
switch result {
|
|
case .success(let parsedItems):
|
|
|
|
account.update(webFeed.webFeedID, with: parsedItems) { result in
|
|
switch result {
|
|
case .success(let articleChanges):
|
|
self.storeArticleChanges(new: articleChanges.newArticles, updated: articleChanges.updatedArticles, deleted: articleChanges.deletedArticles) {
|
|
self.refreshProgress.completeTask()
|
|
group.leave()
|
|
}
|
|
case .failure(let error):
|
|
os_log(.error, log: self.log, "CloudKit Feed refresh update error: %@.", error.localizedDescription)
|
|
self.refreshProgress.completeTask()
|
|
group.leave()
|
|
}
|
|
|
|
}
|
|
|
|
case .failure(let error):
|
|
os_log(.error, log: self.log, "CloudKit Feed refresh error: %@.", error.localizedDescription)
|
|
self.refreshProgress.completeTask()
|
|
group.leave()
|
|
}
|
|
}
|
|
} else {
|
|
refresherWebFeeds.insert(webFeed)
|
|
}
|
|
}
|
|
|
|
group.enter()
|
|
refresher.refreshFeeds(refresherWebFeeds) {
|
|
group.leave()
|
|
}
|
|
|
|
group.notify(queue: DispatchQueue.main) {
|
|
completion()
|
|
}
|
|
|
|
}
|
|
|
|
func createProviderWebFeed(for account: Account, urlComponents: URLComponents, editedName: String?, container: Container, feedProvider: FeedProvider, completion: @escaping (Result<WebFeed, Error>) -> Void) {
|
|
refreshProgress.addToNumberOfTasksAndRemaining(6)
|
|
|
|
feedProvider.metaData(urlComponents) { result in
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
|
|
case .success(let metaData):
|
|
|
|
guard let urlString = urlComponents.url?.absoluteString else {
|
|
completion(.failure(AccountError.createErrorNotFound))
|
|
return
|
|
}
|
|
|
|
self.accountZone.createWebFeed(url: urlString, name: metaData.name, editedName: editedName, homePageURL: metaData.homePageURL, container: container) { result in
|
|
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success(let externalID):
|
|
|
|
let feed = account.createWebFeed(with: metaData.name, url: urlString, webFeedID: urlString, homePageURL: metaData.homePageURL)
|
|
feed.editedName = editedName
|
|
feed.externalID = externalID
|
|
container.addWebFeed(feed)
|
|
|
|
feedProvider.refresh(feed) { result in
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success(let parsedItems):
|
|
|
|
account.update(urlString, with: parsedItems) { result in
|
|
switch result {
|
|
case .success:
|
|
self.sendNewArticlesToTheCloud(account, feed, completion: completion)
|
|
case .failure(let error):
|
|
self.refreshProgress.clear()
|
|
completion(.failure(error))
|
|
}
|
|
|
|
}
|
|
|
|
case .failure:
|
|
self.refreshProgress.clear()
|
|
completion(.failure(AccountError.createErrorNotFound))
|
|
}
|
|
}
|
|
|
|
case .failure(let error):
|
|
self.refreshProgress.clear()
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
|
|
case .failure:
|
|
self.refreshProgress.clear()
|
|
completion(.failure(AccountError.createErrorNotFound))
|
|
}
|
|
}
|
|
}
|
|
|
|
func createRSSWebFeed(for account: Account, url: URL, editedName: String?, container: Container, completion: @escaping (Result<WebFeed, Error>) -> Void) {
|
|
BatchUpdate.shared.start()
|
|
refreshProgress.addToNumberOfTasksAndRemaining(6)
|
|
FeedFinder.find(url: url) { result in
|
|
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success(let feedSpecifiers):
|
|
guard let bestFeedSpecifier = FeedSpecifier.bestFeed(in: feedSpecifiers), let url = URL(string: bestFeedSpecifier.urlString) else {
|
|
BatchUpdate.shared.end()
|
|
self.refreshProgress.clear()
|
|
completion(.failure(AccountError.createErrorNotFound))
|
|
return
|
|
}
|
|
|
|
if account.hasWebFeed(withURL: bestFeedSpecifier.urlString) {
|
|
BatchUpdate.shared.end()
|
|
self.refreshProgress.clear()
|
|
completion(.failure(AccountError.createErrorAlreadySubscribed))
|
|
return
|
|
}
|
|
|
|
let feed = account.createWebFeed(with: nil, url: url.absoluteString, webFeedID: url.absoluteString, homePageURL: nil)
|
|
feed.editedName = editedName
|
|
container.addWebFeed(feed)
|
|
|
|
InitialFeedDownloader.download(url) { parsedFeed in
|
|
self.refreshProgress.completeTask()
|
|
|
|
if let parsedFeed = parsedFeed {
|
|
account.update(feed, with: parsedFeed) { result in
|
|
switch result {
|
|
case .success:
|
|
BatchUpdate.shared.end()
|
|
|
|
self.accountZone.createWebFeed(url: bestFeedSpecifier.urlString,
|
|
name: parsedFeed.title,
|
|
editedName: editedName,
|
|
homePageURL: parsedFeed.homePageURL,
|
|
container: container) { result in
|
|
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success(let externalID):
|
|
feed.externalID = externalID
|
|
self.sendNewArticlesToTheCloud(account, feed, completion: completion)
|
|
case .failure(let error):
|
|
self.refreshProgress.clear()
|
|
completion(.failure(error))
|
|
}
|
|
|
|
}
|
|
|
|
case .failure(let error):
|
|
BatchUpdate.shared.end()
|
|
self.refreshProgress.clear()
|
|
completion(.failure(error))
|
|
}
|
|
|
|
}
|
|
} else {
|
|
self.refreshProgress.clear()
|
|
completion(.success(feed))
|
|
}
|
|
|
|
}
|
|
|
|
case .failure:
|
|
BatchUpdate.shared.end()
|
|
self.refreshProgress.clear()
|
|
completion(.failure(AccountError.createErrorNotFound))
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
func sendNewArticlesToTheCloud(_ account: Account, _ feed: WebFeed, completion: @escaping (Result<WebFeed, Error>) -> Void) {
|
|
account.fetchArticlesAsync(.webFeed(feed)) { result in
|
|
switch result {
|
|
case .success(let articles):
|
|
self.storeArticleChanges(new: articles, updated: Set<Article>(), deleted: Set<Article>()) {
|
|
self.sendArticleStatus(for: account, showProgress: true) { result in
|
|
switch result {
|
|
case .success:
|
|
self.articlesZone.fetchChangesInZone() { _ in
|
|
self.refreshProgress.clear()
|
|
completion(.success(feed))
|
|
}
|
|
case .failure(let error):
|
|
self.refreshProgress.clear()
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
}
|
|
case .failure(let error):
|
|
self.refreshProgress.clear()
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
}
|
|
|
|
func processAccountError(_ account: Account, _ error: Error) {
|
|
if case CloudKitZoneError.userDeletedZone = error {
|
|
account.removeFeeds(account.topLevelWebFeeds)
|
|
for folder in account.folders ?? Set<Folder>() {
|
|
account.removeFolder(folder)
|
|
}
|
|
}
|
|
}
|
|
|
|
func storeArticleChanges(new: Set<Article>?, updated: Set<Article>?, deleted: Set<Article>?, completion: @escaping () -> Void) {
|
|
// New records with a read status aren't really new, they just didn't have the read article stored
|
|
let group = DispatchGroup()
|
|
if let new = new {
|
|
let filteredNew = new.filter { $0.status.read == false }
|
|
group.enter()
|
|
insertSyncStatuses(articles: filteredNew, statusKey: .new, flag: true) {
|
|
group.leave()
|
|
}
|
|
}
|
|
|
|
group.enter()
|
|
insertSyncStatuses(articles: updated, statusKey: .new, flag: false) {
|
|
group.leave()
|
|
}
|
|
|
|
group.enter()
|
|
insertSyncStatuses(articles: deleted, statusKey: .deleted, flag: true) {
|
|
group.leave()
|
|
}
|
|
|
|
group.notify(queue: DispatchQueue.global(qos: .userInitiated)) {
|
|
DispatchQueue.main.async {
|
|
completion()
|
|
}
|
|
}
|
|
}
|
|
|
|
func insertSyncStatuses(articles: Set<Article>?, statusKey: SyncStatus.Key, flag: Bool, completion: @escaping () -> Void) {
|
|
guard let articles = articles, !articles.isEmpty else {
|
|
completion()
|
|
return
|
|
}
|
|
let syncStatuses = articles.map { article in
|
|
return SyncStatus(articleID: article.articleID, key: statusKey, flag: flag)
|
|
}
|
|
database.insertStatuses(syncStatuses) { _ in
|
|
completion()
|
|
}
|
|
}
|
|
|
|
func sendArticleStatus(for account: Account, showProgress: Bool, completion: @escaping ((Result<Void, Error>) -> Void)) {
|
|
let op = CloudKitSendStatusOperation(account: account,
|
|
articlesZone: articlesZone,
|
|
refreshProgress: refreshProgress,
|
|
showProgress: showProgress,
|
|
database: database)
|
|
op.completionBlock = { mainThreadOperaion in
|
|
if mainThreadOperaion.isCanceled {
|
|
completion(.failure(CloudKitAccountDelegateError.unknown))
|
|
} else {
|
|
completion(.success(()))
|
|
}
|
|
}
|
|
mainThreadOperationQueue.add(op)
|
|
}
|
|
|
|
|
|
func removeWebFeedFromCloud(for account: Account, with feed: WebFeed, from container: Container, completion: @escaping (Result<Void, Error>) -> Void) {
|
|
refreshProgress.addToNumberOfTasksAndRemaining(2)
|
|
accountZone.removeWebFeed(feed, from: container) { result in
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success:
|
|
guard let webFeedExternalID = feed.externalID else {
|
|
completion(.success(()))
|
|
return
|
|
}
|
|
self.articlesZone.deleteArticles(webFeedExternalID) { result in
|
|
self.refreshProgress.completeTask()
|
|
completion(result)
|
|
}
|
|
case .failure(let error):
|
|
self.refreshProgress.completeTask()
|
|
self.processAccountError(account, error)
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
extension CloudKitAccountDelegate: LocalAccountRefresherDelegate {
|
|
|
|
func localAccountRefresher(_ refresher: LocalAccountRefresher, requestCompletedFor: WebFeed) {
|
|
refreshProgress.completeTask()
|
|
}
|
|
|
|
func localAccountRefresher(_ refresher: LocalAccountRefresher, articleChanges: ArticleChanges, completion: @escaping () -> Void) {
|
|
self.storeArticleChanges(new: articleChanges.newArticles,
|
|
updated: articleChanges.updatedArticles,
|
|
deleted: articleChanges.deletedArticles,
|
|
completion: completion)
|
|
}
|
|
|
|
}
|
|
|