1377 lines
39 KiB
Swift
1377 lines
39 KiB
Swift
//
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// ReaderAPIAccountDelegate.swift
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// Account
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//
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// Created by Jeremy Beker on 5/28/19.
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// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
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//
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import Articles
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import RSParser
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import Web
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import SyncDatabase
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import os.log
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import Secrets
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import Database
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import Core
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public enum ReaderAPIAccountDelegateError: LocalizedError {
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case unknown
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case invalidParameter
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case invalidResponse
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case urlNotFound
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public var errorDescription: String? {
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switch self {
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case .unknown:
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return NSLocalizedString("An unexpected error occurred.", comment: "An unexpected error occurred.")
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case .invalidParameter:
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return NSLocalizedString("An invalid parameter was passed.", comment: "An invalid parameter was passed.")
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case .invalidResponse:
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return NSLocalizedString("There was an invalid response from the server.", comment: "There was an invalid response from the server.")
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case .urlNotFound:
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return NSLocalizedString("The API URL wasn't found.", comment: "The API URL wasn't found.")
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}
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}
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}
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final class ReaderAPIAccountDelegate: AccountDelegate {
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private let variant: ReaderAPIVariant
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private let database: SyncDatabase
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private let caller: ReaderAPICaller
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private var log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "ReaderAPI")
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var behaviors: AccountBehaviors {
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var behaviors: AccountBehaviors = [.disallowOPMLImports, .disallowFeedInMultipleFolders]
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if variant == .freshRSS {
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behaviors.append(.disallowFeedInRootFolder)
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}
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return behaviors
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}
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var server: String? {
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get {
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return caller.server
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}
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}
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var isOPMLImportInProgress = false
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var credentials: Credentials? {
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didSet {
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caller.credentials = credentials
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}
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}
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weak var accountMetadata: AccountMetadata? {
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didSet {
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caller.accountMetadata = accountMetadata
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}
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}
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var refreshProgress = DownloadProgress(numberOfTasks: 0)
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init(dataFolder: String, transport: Transport?, variant: ReaderAPIVariant, secretsProvider: SecretsProvider) {
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let databasePath = (dataFolder as NSString).appendingPathComponent("Sync.sqlite3")
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database = SyncDatabase(databasePath: databasePath)
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if transport != nil {
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caller = ReaderAPICaller(transport: transport!, secretsProvider: secretsProvider)
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} else {
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let sessionConfiguration = URLSessionConfiguration.default
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sessionConfiguration.requestCachePolicy = .reloadIgnoringLocalCacheData
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sessionConfiguration.timeoutIntervalForRequest = 60.0
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sessionConfiguration.httpShouldSetCookies = false
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sessionConfiguration.httpCookieAcceptPolicy = .never
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sessionConfiguration.httpMaximumConnectionsPerHost = 1
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sessionConfiguration.httpCookieStorage = nil
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sessionConfiguration.urlCache = nil
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if let userAgentHeaders = UserAgent.headers() {
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sessionConfiguration.httpAdditionalHeaders = userAgentHeaders
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}
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caller = ReaderAPICaller(transport: URLSession(configuration: sessionConfiguration), secretsProvider: secretsProvider)
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}
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caller.variant = variant
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self.variant = variant
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}
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func receiveRemoteNotification(for account: Account, userInfo: [AnyHashable : Any]) async {
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}
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func refreshAll(for account: Account) async throws {
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try await withCheckedThrowingContinuation { continuation in
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self.refreshAll(for: account) { result in
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switch result {
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case .success:
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continuation.resume()
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case .failure(let error):
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continuation.resume(throwing: error)
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}
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}
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}
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}
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private func refreshAll(for account: Account, completion: @escaping (Result<Void, Error>) -> Void) {
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refreshProgress.addToNumberOfTasksAndRemaining(6)
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refreshAccount(account) { result in
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switch result {
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case .success():
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self.sendArticleStatus(for: account) { _ in
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self.refreshProgress.completeTask()
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self.caller.retrieveItemIDs(type: .allForAccount) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success(let articleIDs):
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account.markAsRead(Set(articleIDs)) { _ in
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MainActor.assumeIsolated {
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self.refreshArticleStatus(for: account) { _ in
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self.refreshProgress.completeTask()
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self.refreshMissingArticles(account) {
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self.refreshProgress.clear()
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DispatchQueue.main.async {
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completion(.success(()))
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}
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}
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}
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}
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}
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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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DispatchQueue.main.async {
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self.refreshProgress.clear()
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let wrappedError = AccountError.wrappedError(error: error, account: account)
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if wrappedError.isCredentialsError, let basicCredentials = try? account.retrieveCredentials(type: .readerBasic), let endpoint = account.endpointURL {
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self.caller.credentials = basicCredentials
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self.caller.validateCredentials(endpoint: endpoint) { result in
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switch result {
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case .success(let apiCredentials):
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if let apiCredentials = apiCredentials {
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DispatchQueue.main.async {
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try? account.storeCredentials(apiCredentials)
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self.caller.credentials = apiCredentials
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self.refreshAll(for: account, completion: completion)
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}
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} else {
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DispatchQueue.main.async {
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completion(.failure(wrappedError))
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}
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}
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case .failure:
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DispatchQueue.main.async {
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completion(.failure(wrappedError))
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}
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}
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}
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} else {
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completion(.failure(wrappedError))
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}
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}
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}
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}
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}
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func syncArticleStatus(for account: Account) async throws {
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guard variant != .inoreader else {
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return
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}
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try await withCheckedThrowingContinuation { continuation in
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sendArticleStatus(for: account) { result in
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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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switch result {
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case .success:
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continuation.resume()
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case .failure(let error):
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continuation.resume(throwing: error)
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}
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}
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case .failure(let error):
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continuation.resume(throwing: error)
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}
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}
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}
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}
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public func sendArticleStatus(for account: Account) async throws {
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try await withCheckedThrowingContinuation { continuation in
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self.sendArticleStatus(for: account) { result in
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switch result {
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case .success:
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continuation.resume()
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case .failure(let error):
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continuation.resume(throwing: error)
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}
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}
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}
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}
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private func sendArticleStatus(for account: Account, completion: @escaping ((Result<Void, Error>) -> Void)) {
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os_log(.debug, log: log, "Sending article statuses...")
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Task { @MainActor in
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do {
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let syncStatuses = (try await self.database.selectForProcessing()) ?? Set<SyncStatus>()
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@MainActor func processStatuses(_ syncStatuses: [SyncStatus]) {
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let createUnreadStatuses = syncStatuses.filter { $0.key == SyncStatus.Key.read && $0.flag == false }
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let deleteUnreadStatuses = syncStatuses.filter { $0.key == SyncStatus.Key.read && $0.flag == true }
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let createStarredStatuses = syncStatuses.filter { $0.key == SyncStatus.Key.starred && $0.flag == true }
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let deleteStarredStatuses = syncStatuses.filter { $0.key == SyncStatus.Key.starred && $0.flag == false }
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let group = DispatchGroup()
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group.enter()
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self.sendArticleStatuses(createUnreadStatuses, apiCall: self.caller.createUnreadEntries) {
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group.leave()
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}
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group.enter()
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self.sendArticleStatuses(deleteUnreadStatuses, apiCall: self.caller.deleteUnreadEntries) {
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group.leave()
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}
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group.enter()
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self.sendArticleStatuses(createStarredStatuses, apiCall: self.caller.createStarredEntries) {
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group.leave()
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}
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group.enter()
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self.sendArticleStatuses(deleteStarredStatuses, apiCall: self.caller.deleteStarredEntries) {
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group.leave()
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}
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group.notify(queue: DispatchQueue.main) {
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os_log(.debug, log: self.log, "Done sending article statuses.")
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completion(.success(()))
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}
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}
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processStatuses(Array(syncStatuses))
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} catch {
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completion(.failure(error))
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}
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}
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}
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func refreshArticleStatus(for account: Account) async throws {
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try await withCheckedThrowingContinuation { continuation in
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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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continuation.resume()
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case .failure(let error):
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continuation.resume(throwing: error)
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}
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}
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}
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}
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private func refreshArticleStatus(for account: Account, completion: @escaping ((Result<Void, Error>) -> Void)) {
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os_log(.debug, log: log, "Refreshing article statuses...")
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let group = DispatchGroup()
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var errorOccurred = false
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group.enter()
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caller.retrieveItemIDs(type: .unread) { result in
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switch result {
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case .success(let articleIDs):
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self.syncArticleReadState(account: account, articleIDs: articleIDs) {
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group.leave()
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}
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case .failure(let error):
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errorOccurred = true
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os_log(.info, log: self.log, "Retrieving unread entries failed: %@.", error.localizedDescription)
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group.leave()
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}
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}
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group.enter()
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caller.retrieveItemIDs(type: .starred) { result in
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switch result {
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case .success(let articleIDs):
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self.syncArticleStarredState(account: account, articleIDs: articleIDs) {
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group.leave()
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}
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case .failure(let error):
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errorOccurred = true
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os_log(.info, log: self.log, "Retrieving starred entries failed: %@.", error.localizedDescription)
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group.leave()
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}
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}
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group.notify(queue: DispatchQueue.main) {
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os_log(.debug, log: self.log, "Done refreshing article statuses.")
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if errorOccurred {
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completion(.failure(ReaderAPIAccountDelegateError.unknown))
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} else {
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completion(.success(()))
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}
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}
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}
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func importOPML(for account:Account, opmlFile: URL) async throws {
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}
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func createFolder(for account: Account, name: String) async throws -> Folder {
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guard let folder = account.ensureFolder(with: name) else {
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throw ReaderAPIAccountDelegateError.invalidParameter
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}
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return folder
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}
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func renameFolder(for account: Account, with folder: Folder, to name: String) async throws {
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try await withCheckedThrowingContinuation { continuation in
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self.renameFolder(for: account, with: folder, to: name) { result in
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switch result {
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case .success:
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continuation.resume()
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case .failure(let error):
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continuation.resume(throwing: error)
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}
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}
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}
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}
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private 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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caller.renameTag(oldName: folder.name ?? "", newName: 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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DispatchQueue.main.async {
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folder.externalID = "user/-/label/\(name)"
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folder.name = name
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completion(.success(()))
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}
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case .failure(let error):
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DispatchQueue.main.async {
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let wrappedError = AccountError.wrappedError(error: error, account: account)
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completion(.failure(wrappedError))
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}
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}
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}
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}
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func removeFolder(for account: Account, with folder: Folder) async throws {
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try await withCheckedThrowingContinuation { continuation in
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self.removeFolder(for: account, with: folder) { result in
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switch result {
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case .success:
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continuation.resume()
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case .failure(let error):
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continuation.resume(throwing: error)
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}
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}
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}
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}
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private func removeFolder(for account: Account, with folder: Folder, completion: @escaping (Result<Void, Error>) -> Void) {
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let group = DispatchGroup()
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for feed in folder.topLevelFeeds {
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if feed.folderRelationship?.count ?? 0 > 1 {
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if let feedExternalID = feed.externalID {
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group.enter()
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refreshProgress.addToNumberOfTasksAndRemaining(1)
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caller.deleteTagging(subscriptionID: feedExternalID, tagName: folder.nameForDisplay) { 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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DispatchQueue.main.async {
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self.clearFolderRelationship(for: feed, folderExternalID: folder.externalID)
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}
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case .failure(let error):
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os_log(.error, log: self.log, "Remove feed error: %@.", error.localizedDescription)
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}
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}
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}
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} else {
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if let subscriptionID = feed.externalID {
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group.enter()
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refreshProgress.addToNumberOfTasksAndRemaining(1)
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caller.deleteSubscription(subscriptionID: subscriptionID) { 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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DispatchQueue.main.async {
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account.clearFeedMetadata(feed)
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}
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case .failure(let error):
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os_log(.error, log: self.log, "Remove feed error: %@.", error.localizedDescription)
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}
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}
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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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if self.variant == .theOldReader {
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account.removeFolder(folder: folder)
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completion(.success(()))
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} else {
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self.caller.deleteTag(folder: folder) { result in
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switch result {
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case .success:
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account.removeFolder(folder: 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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}
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}
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func createFeed(for account: Account, url: String, name: String?, container: Container, validateFeed: Bool, completion: @escaping (Result<Feed, Error>) -> Void) {
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guard let url = URL(string: url) else {
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completion(.failure(ReaderAPIAccountDelegateError.invalidParameter))
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return
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}
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refreshProgress.addToNumberOfTasksAndRemaining(2)
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FeedFinder.find(url: url) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success(let feedSpecifiers):
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let feedSpecifiers = feedSpecifiers.filter { !$0.urlString.contains("json") }
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guard let bestFeedSpecifier = FeedSpecifier.bestFeed(in: feedSpecifiers) else {
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self.refreshProgress.clear()
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completion(.failure(AccountError.createErrorNotFound))
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return
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}
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self.caller.createSubscription(url: bestFeedSpecifier.urlString, name: name, folder: container as? Folder) { result in
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self.refreshProgress.completeTask()
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switch result {
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case .success(let subResult):
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switch subResult {
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case .created(let subscription):
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self.createFeed(account: account, subscription: subscription, name: name, container: container, completion: completion)
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case .notFound:
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DispatchQueue.main.async {
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completion(.failure(AccountError.createErrorNotFound))
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}
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}
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case .failure(let error):
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DispatchQueue.main.async {
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let wrappedError = AccountError.wrappedError(error: error, account: account)
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completion(.failure(wrappedError))
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}
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}
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}
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case .failure:
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self.refreshProgress.clear()
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completion(.failure(AccountError.createErrorNotFound))
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}
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}
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}
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func renameFeed(for account: Account, with feed: Feed, to name: String) async throws {
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try await withCheckedThrowingContinuation { continuation in
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self.renameFeed(for: account, with: feed, to: name) { result in
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switch result {
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case .success:
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continuation.resume()
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case .failure(let error):
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continuation.resume(throwing: error)
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}
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}
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}
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}
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private func renameFeed(for account: Account, with feed: Feed, to name: String, completion: @escaping (Result<Void, Error>) -> Void) {
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// This error should never happen
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guard let subscriptionID = feed.externalID else {
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completion(.failure(ReaderAPIAccountDelegateError.invalidParameter))
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return
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}
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refreshProgress.addToNumberOfTasksAndRemaining(1)
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caller.renameSubscription(subscriptionID: subscriptionID, newName: 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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DispatchQueue.main.async {
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feed.editedName = name
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completion(.success(()))
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}
|
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case .failure(let error):
|
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DispatchQueue.main.async {
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let wrappedError = AccountError.wrappedError(error: error, account: account)
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completion(.failure(wrappedError))
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}
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}
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}
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}
|
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|
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func removeFeed(for account: Account, with feed: Feed, from container: any Container) async throws {
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|
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try await withCheckedThrowingContinuation { continuation in
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|
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self.removeFeed(for: account, with: feed, from: container) { result in
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switch result {
|
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case .success:
|
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continuation.resume()
|
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case .failure(let error):
|
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continuation.resume(throwing: error)
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}
|
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}
|
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}
|
|
}
|
|
|
|
private func removeFeed(for account: Account, with feed: Feed, from container: Container, completion: @escaping (Result<Void, Error>) -> Void) {
|
|
guard let subscriptionID = feed.externalID else {
|
|
completion(.failure(ReaderAPIAccountDelegateError.invalidParameter))
|
|
return
|
|
}
|
|
|
|
refreshProgress.addToNumberOfTasksAndRemaining(1)
|
|
caller.deleteSubscription(subscriptionID: subscriptionID) { result in
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success:
|
|
DispatchQueue.main.async {
|
|
account.clearFeedMetadata(feed)
|
|
account.removeFeed(feed)
|
|
if let folders = account.folders {
|
|
for folder in folders {
|
|
folder.removeFeed(feed)
|
|
}
|
|
}
|
|
completion(.success(()))
|
|
}
|
|
case .failure(let error):
|
|
DispatchQueue.main.async {
|
|
let wrappedError = AccountError.wrappedError(error: error, account: account)
|
|
completion(.failure(wrappedError))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func moveFeed(for account: Account, with feed: Feed, from: Container, to: Container, completion: @escaping (Result<Void, Error>) -> Void) {
|
|
if from is Account {
|
|
addFeed(for: account, with: feed, to: to, completion: completion)
|
|
} else {
|
|
guard
|
|
let subscriptionId = feed.externalID,
|
|
let fromTag = (from as? Folder)?.name,
|
|
let toTag = (to as? Folder)?.name
|
|
else {
|
|
completion(.failure(ReaderAPIAccountDelegateError.invalidParameter))
|
|
return
|
|
}
|
|
|
|
refreshProgress.addToNumberOfTasksAndRemaining(1)
|
|
caller.moveSubscription(subscriptionID: subscriptionId, fromTag: fromTag, toTag: toTag) { result in
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success:
|
|
from.removeFeed(feed)
|
|
to.addFeed(feed)
|
|
completion(.success(()))
|
|
case .failure(let error):
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func addFeed(for account: Account, with feed: Feed, to container: any Container) async throws {
|
|
|
|
try await withCheckedThrowingContinuation { continuation in
|
|
|
|
self.addFeed(for: account, with: feed, to: container) { result in
|
|
switch result {
|
|
case .success:
|
|
continuation.resume()
|
|
case .failure(let error):
|
|
continuation.resume(throwing: error)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private func addFeed(for account: Account, with feed: Feed, to container: Container, completion: @escaping (Result<Void, Error>) -> Void) {
|
|
if let folder = container as? Folder, let feedExternalID = feed.externalID {
|
|
refreshProgress.addToNumberOfTasksAndRemaining(1)
|
|
caller.createTagging(subscriptionID: feedExternalID, tagName: folder.name ?? "") { result in
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success:
|
|
DispatchQueue.main.async {
|
|
self.saveFolderRelationship(for: feed, folderExternalID: folder.externalID, feedExternalID: feedExternalID)
|
|
account.removeFeed(feed)
|
|
folder.addFeed(feed)
|
|
completion(.success(()))
|
|
}
|
|
case .failure(let error):
|
|
DispatchQueue.main.async {
|
|
let wrappedError = AccountError.wrappedError(error: error, account: account)
|
|
completion(.failure(wrappedError))
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
DispatchQueue.main.async {
|
|
if let account = container as? Account {
|
|
account.addFeedIfNotInAnyFolder(feed)
|
|
}
|
|
completion(.success(()))
|
|
}
|
|
}
|
|
}
|
|
|
|
func restoreFeed(for account: Account, feed: Feed, container: any Container) async throws {
|
|
|
|
try await withCheckedThrowingContinuation { continuation in
|
|
|
|
self.restoreFeed(for: account, feed: feed, container: container) { result in
|
|
switch result {
|
|
case .success:
|
|
continuation.resume()
|
|
case .failure(let error):
|
|
continuation.resume(throwing: error)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private func restoreFeed(for account: Account, feed: Feed, container: Container, completion: @escaping (Result<Void, Error>) -> Void) {
|
|
|
|
if let existingFeed = account.existingFeed(withURL: feed.url) {
|
|
Task { @MainActor in
|
|
|
|
do {
|
|
try await account.addFeed(existingFeed, to: container)
|
|
completion(.success(()))
|
|
} catch {
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
} else {
|
|
createFeed(for: account, url: feed.url, name: feed.editedName, container: container, validateFeed: true) { result in
|
|
switch result {
|
|
case .success:
|
|
completion(.success(()))
|
|
case .failure(let error):
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
func restoreFolder(for account: Account, folder: Folder) async throws {
|
|
|
|
try await withCheckedThrowingContinuation { continuation in
|
|
self.restoreFolder(for: account, folder: folder) { result in
|
|
switch result {
|
|
case .success:
|
|
continuation.resume()
|
|
case .failure(let error):
|
|
continuation.resume(throwing: error)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private func restoreFolder(for account: Account, folder: Folder, completion: @escaping (Result<Void, Error>) -> Void) {
|
|
|
|
let group = DispatchGroup()
|
|
|
|
for feed in folder.topLevelFeeds {
|
|
|
|
folder.topLevelFeeds.remove(feed)
|
|
|
|
group.enter()
|
|
restoreFeed(for: account, feed: feed, container: folder) { result in
|
|
group.leave()
|
|
switch result {
|
|
case .success:
|
|
break
|
|
case .failure(let error):
|
|
os_log(.error, log: self.log, "Restore folder feed error: %@.", error.localizedDescription)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
group.notify(queue: DispatchQueue.main) {
|
|
account.addFolder(folder)
|
|
completion(.success(()))
|
|
}
|
|
|
|
}
|
|
|
|
func markArticles(for account: Account, articles: Set<Article>, statusKey: ArticleStatus.Key, flag: Bool) async throws {
|
|
|
|
try await withCheckedThrowingContinuation { continuation in
|
|
self.markArticles(for: account, articles: articles, statusKey: statusKey, flag: flag) { result in
|
|
switch result {
|
|
case .success:
|
|
continuation.resume()
|
|
case .failure(let error):
|
|
continuation.resume(throwing: error)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private func markArticles(for account: Account, articles: Set<Article>, statusKey: ArticleStatus.Key, flag: Bool, completion: @escaping (Result<Void, Error>) -> Void) {
|
|
account.update(articles, statusKey: statusKey, flag: flag) { result in
|
|
switch result {
|
|
case .success(let articles):
|
|
let syncStatuses = articles.map { article in
|
|
return SyncStatus(articleID: article.articleID, key: SyncStatus.Key(statusKey), flag: flag)
|
|
}
|
|
|
|
Task { @MainActor in
|
|
|
|
try? await self.database.insertStatuses(syncStatuses)
|
|
|
|
if let count = try? await self.database.selectPendingCount(), count > 100 {
|
|
self.sendArticleStatus(for: account) { _ in }
|
|
}
|
|
|
|
completion(.success(()))
|
|
}
|
|
|
|
case .failure(let error):
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
}
|
|
|
|
func accountDidInitialize(_ account: Account) {
|
|
credentials = try? account.retrieveCredentials(type: .readerAPIKey)
|
|
}
|
|
|
|
func accountWillBeDeleted(_ account: Account) {
|
|
}
|
|
|
|
static func validateCredentials(transport: Transport, credentials: Credentials, endpoint: URL?, secretsProvider: SecretsProvider) async throws -> Credentials? {
|
|
|
|
try await withCheckedThrowingContinuation { continuation in
|
|
|
|
self.validateCredentials(transport: transport, credentials: credentials, endpoint: endpoint, secretsProvider: secretsProvider) { result in
|
|
|
|
switch result {
|
|
case .success(let credentials):
|
|
continuation.resume(returning: credentials)
|
|
case .failure(let error):
|
|
continuation.resume(throwing: error)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private static func validateCredentials(transport: Transport, credentials: Credentials, endpoint: URL?, secretsProvider: SecretsProvider, completion: @escaping (Result<Credentials?, Error>) -> Void) {
|
|
guard let endpoint = endpoint else {
|
|
completion(.failure(TransportError.noURL))
|
|
return
|
|
}
|
|
|
|
let caller = ReaderAPICaller(transport: transport, secretsProvider: secretsProvider)
|
|
caller.credentials = credentials
|
|
caller.validateCredentials(endpoint: endpoint) { result in
|
|
DispatchQueue.main.async {
|
|
completion(result)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// MARK: Suspend and Resume (for iOS)
|
|
|
|
/// Suspend all network activity
|
|
func suspendNetwork() {
|
|
caller.cancelAll()
|
|
}
|
|
|
|
/// Suspend the SQLLite databases
|
|
func suspendDatabase() {
|
|
|
|
Task {
|
|
await database.suspend()
|
|
}
|
|
}
|
|
|
|
/// Make sure no SQLite databases are open and we are ready to issue network requests.
|
|
func resume() {
|
|
|
|
Task {
|
|
await database.resume()
|
|
}
|
|
}
|
|
}
|
|
|
|
// MARK: Private
|
|
|
|
private extension ReaderAPIAccountDelegate {
|
|
|
|
func refreshAccount(_ account: Account, completion: @escaping (Result<Void, Error>) -> Void) {
|
|
caller.retrieveTags { result in
|
|
switch result {
|
|
case .success(let tags):
|
|
self.refreshProgress.completeTask()
|
|
self.caller.retrieveSubscriptions { result in
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success(let subscriptions):
|
|
MainActor.assumeIsolated {
|
|
BatchUpdate.shared.perform {
|
|
self.syncFolders(account, tags)
|
|
self.syncFeeds(account, subscriptions)
|
|
self.syncFeedFolderRelationship(account, subscriptions)
|
|
}
|
|
}
|
|
completion(.success(()))
|
|
case .failure(let error):
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
case .failure(let error):
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
}
|
|
|
|
func syncFolders(_ account: Account, _ tags: [ReaderAPITag]?) {
|
|
guard let tags = tags else { return }
|
|
assert(Thread.isMainThread)
|
|
|
|
let folderTags: [ReaderAPITag]
|
|
if variant == .inoreader {
|
|
folderTags = tags.filter{ $0.type == "folder" }
|
|
} else {
|
|
folderTags = tags.filter{ $0.tagID.contains("/label/") }
|
|
}
|
|
|
|
guard !folderTags.isEmpty else { return }
|
|
|
|
os_log(.debug, log: log, "Syncing folders with %ld tags.", folderTags.count)
|
|
|
|
let readerFolderExternalIDs = folderTags.compactMap { $0.tagID }
|
|
|
|
// Delete any folders not at Reader
|
|
if let folders = account.folders {
|
|
folders.forEach { folder in
|
|
if !readerFolderExternalIDs.contains(folder.externalID ?? "") {
|
|
for feed in folder.topLevelFeeds {
|
|
account.addFeed(feed)
|
|
clearFolderRelationship(for: feed, folderExternalID: folder.externalID)
|
|
}
|
|
account.removeFolder(folder: folder)
|
|
}
|
|
}
|
|
}
|
|
|
|
let folderExternalIDs: [String] = {
|
|
if let folders = account.folders {
|
|
return folders.compactMap { $0.externalID }
|
|
} else {
|
|
return [String]()
|
|
}
|
|
}()
|
|
|
|
// Make any folders Reader has, but we don't
|
|
folderTags.forEach { tag in
|
|
if !folderExternalIDs.contains(tag.tagID) {
|
|
let folder = account.ensureFolder(with: tag.folderName ?? "None")
|
|
folder?.externalID = tag.tagID
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
func syncFeeds(_ account: Account, _ subscriptions: [ReaderAPISubscription]?) {
|
|
|
|
guard let subscriptions = subscriptions else { return }
|
|
assert(Thread.isMainThread)
|
|
|
|
os_log(.debug, log: log, "Syncing feeds with %ld subscriptions.", subscriptions.count)
|
|
|
|
let subFeedIds = subscriptions.map { $0.feedID }
|
|
|
|
// Remove any feeds that are no longer in the subscriptions
|
|
if let folders = account.folders {
|
|
for folder in folders {
|
|
for feed in folder.topLevelFeeds {
|
|
if !subFeedIds.contains(feed.feedID) {
|
|
folder.removeFeed(feed)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for feed in account.topLevelFeeds {
|
|
if !subFeedIds.contains(feed.feedID) {
|
|
account.clearFeedMetadata(feed)
|
|
account.removeFeed(feed)
|
|
}
|
|
}
|
|
|
|
// Add any feeds we don't have and update any we do
|
|
subscriptions.forEach { subscription in
|
|
|
|
if let feed = account.existingFeed(withFeedID: subscription.feedID) {
|
|
feed.name = subscription.name
|
|
feed.editedName = nil
|
|
feed.homePageURL = subscription.homePageURL
|
|
} else {
|
|
let feed = account.createFeed(with: subscription.name, url: subscription.url, feedID: subscription.feedID, homePageURL: subscription.homePageURL)
|
|
feed.externalID = subscription.feedID
|
|
account.addFeed(feed)
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
func syncFeedFolderRelationship(_ account: Account, _ subscriptions: [ReaderAPISubscription]?) {
|
|
guard let subscriptions = subscriptions else { return }
|
|
assert(Thread.isMainThread)
|
|
os_log(.debug, log: log, "Syncing taggings with %ld subscriptions.", subscriptions.count)
|
|
|
|
// Set up some structures to make syncing easier
|
|
let folderDict = externalIDToFolderDictionary(with: account.folders)
|
|
let taggingsDict = subscriptions.reduce([String: [ReaderAPISubscription]]()) { (dict, subscription) in
|
|
var taggedFeeds = dict
|
|
|
|
subscription.categories.forEach({ (category) in
|
|
if var taggedFeed = taggedFeeds[category.categoryId] {
|
|
taggedFeed.append(subscription)
|
|
taggedFeeds[category.categoryId] = taggedFeed
|
|
} else {
|
|
taggedFeeds[category.categoryId] = [subscription]
|
|
}
|
|
})
|
|
|
|
return taggedFeeds
|
|
}
|
|
|
|
// Sync the folders
|
|
for (folderExternalID, groupedTaggings) in taggingsDict {
|
|
guard let folder = folderDict[folderExternalID] else { return }
|
|
let taggingFeedIDs = groupedTaggings.map { $0.feedID }
|
|
|
|
// Move any feeds not in the folder to the account
|
|
for feed in folder.topLevelFeeds {
|
|
if !taggingFeedIDs.contains(feed.feedID) {
|
|
folder.removeFeed(feed)
|
|
clearFolderRelationship(for: feed, folderExternalID: folder.externalID)
|
|
account.addFeed(feed)
|
|
}
|
|
}
|
|
|
|
// Add any feeds not in the folder
|
|
let folderFeedIds = folder.topLevelFeeds.map { $0.feedID }
|
|
|
|
for subscription in groupedTaggings {
|
|
let taggingFeedID = subscription.feedID
|
|
if !folderFeedIds.contains(taggingFeedID) {
|
|
guard let feed = account.existingFeed(withFeedID: taggingFeedID) else {
|
|
continue
|
|
}
|
|
saveFolderRelationship(for: feed, folderExternalID: folderExternalID, feedExternalID: subscription.feedID)
|
|
folder.addFeed(feed)
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
let taggedFeedIDs = Set(subscriptions.filter({ !$0.categories.isEmpty }).map { String($0.feedID) })
|
|
|
|
// Remove all feeds from the account container that have a tag
|
|
for feed in account.topLevelFeeds {
|
|
if taggedFeedIDs.contains(feed.feedID) {
|
|
account.removeFeed(feed)
|
|
}
|
|
}
|
|
}
|
|
|
|
func externalIDToFolderDictionary(with folders: Set<Folder>?) -> [String: Folder] {
|
|
guard let folders = folders else {
|
|
return [String: Folder]()
|
|
}
|
|
|
|
var d = [String: Folder]()
|
|
|
|
for folder in folders {
|
|
if let externalID = folder.externalID, d[externalID] == nil {
|
|
d[externalID] = folder
|
|
}
|
|
}
|
|
|
|
return d
|
|
}
|
|
|
|
func sendArticleStatuses(_ statuses: [SyncStatus], apiCall: ([String], @escaping (Result<Void, Error>) -> Void) -> Void, completion: @escaping (() -> Void)) {
|
|
guard !statuses.isEmpty else {
|
|
completion()
|
|
return
|
|
}
|
|
|
|
let group = DispatchGroup()
|
|
|
|
let articleIDs = statuses.compactMap { $0.articleID }
|
|
let articleIDGroups = articleIDs.chunked(into: 1000)
|
|
for articleIDGroup in articleIDGroups {
|
|
|
|
group.enter()
|
|
apiCall(articleIDGroup) { result in
|
|
switch result {
|
|
case .success:
|
|
Task {
|
|
try? await self.database.deleteSelectedForProcessing(articleIDGroup.map { $0 } )
|
|
group.leave()
|
|
}
|
|
case .failure(let error):
|
|
os_log(.error, log: self.log, "Article status sync call failed: %@.", error.localizedDescription)
|
|
Task {
|
|
try? await self.database.resetSelectedForProcessing(articleIDGroup.map { $0 } )
|
|
group.leave()
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
group.notify(queue: DispatchQueue.main) {
|
|
completion()
|
|
}
|
|
|
|
}
|
|
|
|
func clearFolderRelationship(for feed: Feed, folderExternalID: String?) {
|
|
guard var folderRelationship = feed.folderRelationship, let folderExternalID = folderExternalID else { return }
|
|
folderRelationship[folderExternalID] = nil
|
|
feed.folderRelationship = folderRelationship
|
|
}
|
|
|
|
func saveFolderRelationship(for feed: Feed, folderExternalID: String?, feedExternalID: String) {
|
|
guard let folderExternalID = folderExternalID else { return }
|
|
if var folderRelationship = feed.folderRelationship {
|
|
folderRelationship[folderExternalID] = feedExternalID
|
|
feed.folderRelationship = folderRelationship
|
|
} else {
|
|
feed.folderRelationship = [folderExternalID: feedExternalID]
|
|
}
|
|
}
|
|
|
|
func createFeed( account: Account, subscription sub: ReaderAPISubscription, name: String?, container: Container, completion: @escaping (Result<Feed, Error>) -> Void) {
|
|
|
|
Task { @MainActor in
|
|
|
|
let feed = account.createFeed(with: sub.name, url: sub.url, feedID: String(sub.feedID), homePageURL: sub.homePageURL)
|
|
feed.externalID = String(sub.feedID)
|
|
|
|
do {
|
|
try await account.addFeed(feed, to: container)
|
|
if let name {
|
|
try await self.renameFeed(for: account, with: feed, to: name)
|
|
}
|
|
self.initialFeedDownload(account: account, feed: feed, completion: completion)
|
|
} catch {
|
|
completion(.failure(error))
|
|
}
|
|
}
|
|
}
|
|
|
|
func initialFeedDownload( account: Account, feed: Feed, completion: @escaping (Result<Feed, Error>) -> Void) {
|
|
refreshProgress.addToNumberOfTasksAndRemaining(5)
|
|
|
|
// Download the initial articles
|
|
self.caller.retrieveItemIDs(type: .allForFeed, feedID: feed.feedID) { result in
|
|
self.refreshProgress.completeTask()
|
|
switch result {
|
|
case .success(let articleIDs):
|
|
account.markAsRead(Set(articleIDs)) { _ in
|
|
MainActor.assumeIsolated {
|
|
self.refreshProgress.completeTask()
|
|
self.refreshArticleStatus(for: account) { _ in
|
|
self.refreshProgress.completeTask()
|
|
self.refreshMissingArticles(account) {
|
|
self.refreshProgress.clear()
|
|
DispatchQueue.main.async {
|
|
completion(.success(feed))
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
case .failure(let error):
|
|
completion(.failure(error))
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
func refreshMissingArticles(_ account: Account, completion: @escaping VoidCompletionBlock) {
|
|
account.fetchArticleIDsForStatusesWithoutArticlesNewerThanCutoffDate { articleIDsResult in
|
|
|
|
MainActor.assumeIsolated {
|
|
@MainActor func process(_ fetchedArticleIDs: Set<String>) {
|
|
guard !fetchedArticleIDs.isEmpty else {
|
|
completion()
|
|
return
|
|
}
|
|
|
|
os_log(.debug, log: self.log, "Refreshing missing articles...")
|
|
let group = DispatchGroup()
|
|
|
|
let articleIDs = Array(fetchedArticleIDs)
|
|
let chunkedArticleIDs = articleIDs.chunked(into: 150)
|
|
|
|
self.refreshProgress.addToNumberOfTasksAndRemaining(chunkedArticleIDs.count - 1)
|
|
|
|
for chunk in chunkedArticleIDs {
|
|
group.enter()
|
|
self.caller.retrieveEntries(articleIDs: chunk) { result in
|
|
self.refreshProgress.completeTask()
|
|
|
|
switch result {
|
|
case .success(let entries):
|
|
self.processEntries(account: account, entries: entries) {
|
|
group.leave()
|
|
}
|
|
|
|
case .failure(let error):
|
|
os_log(.error, log: self.log, "Refresh missing articles failed: %@.", error.localizedDescription)
|
|
group.leave()
|
|
}
|
|
}
|
|
}
|
|
|
|
group.notify(queue: DispatchQueue.main) {
|
|
self.refreshProgress.completeTask()
|
|
os_log(.debug, log: self.log, "Done refreshing missing articles.")
|
|
completion()
|
|
}
|
|
}
|
|
|
|
switch articleIDsResult {
|
|
case .success(let articleIDs):
|
|
process(articleIDs)
|
|
case .failure:
|
|
self.refreshProgress.completeTask()
|
|
completion()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func processEntries(account: Account, entries: [ReaderAPIEntry]?, completion: @escaping VoidCompletionBlock) {
|
|
let parsedItems = mapEntriesToParsedItems(account: account, entries: entries)
|
|
let feedIDsAndItems = Dictionary(grouping: parsedItems, by: { item in item.feedURL } ).mapValues { Set($0) }
|
|
account.update(feedIDsAndItems: feedIDsAndItems, defaultRead: true) { _ in
|
|
completion()
|
|
}
|
|
}
|
|
|
|
func mapEntriesToParsedItems(account: Account, entries: [ReaderAPIEntry]?) -> Set<ParsedItem> {
|
|
|
|
guard let entries = entries else {
|
|
return Set<ParsedItem>()
|
|
}
|
|
|
|
let parsedItems: [ParsedItem] = entries.compactMap { entry in
|
|
guard let streamID = entry.origin.streamId else {
|
|
return nil
|
|
}
|
|
|
|
var authors: Set<ParsedAuthor>? {
|
|
guard let name = entry.author else {
|
|
return nil
|
|
}
|
|
return Set([ParsedAuthor(name: name, url: nil, avatarURL: nil, emailAddress: nil)])
|
|
}
|
|
|
|
return ParsedItem(syncServiceID: entry.uniqueID(variant: variant),
|
|
uniqueID: entry.uniqueID(variant: variant),
|
|
feedURL: streamID,
|
|
url: nil,
|
|
externalURL: entry.alternates?.first?.url,
|
|
title: entry.title,
|
|
language: nil,
|
|
contentHTML: entry.summary.content,
|
|
contentText: nil,
|
|
summary: entry.summary.content,
|
|
imageURL: nil,
|
|
bannerImageURL: nil,
|
|
datePublished: entry.parseDatePublished(),
|
|
dateModified: nil,
|
|
authors: authors,
|
|
tags: nil,
|
|
attachments: nil)
|
|
}
|
|
|
|
return Set(parsedItems)
|
|
|
|
}
|
|
|
|
func syncArticleReadState(account: Account, articleIDs: [String]?, completion: @escaping (() -> Void)) {
|
|
guard let articleIDs = articleIDs else {
|
|
completion()
|
|
return
|
|
}
|
|
|
|
Task { @MainActor in
|
|
do {
|
|
|
|
let pendingArticleIDs = (try await self.database.selectPendingReadStatusArticleIDs()) ?? Set<String>()
|
|
|
|
@MainActor func process(_ pendingArticleIDs: Set<String>) {
|
|
let updatableReaderUnreadArticleIDs = Set(articleIDs).subtracting(pendingArticleIDs)
|
|
|
|
account.fetchUnreadArticleIDs { articleIDsResult in
|
|
|
|
MainActor.assumeIsolated {
|
|
guard let currentUnreadArticleIDs = try? articleIDsResult.get() else {
|
|
return
|
|
}
|
|
|
|
let group = DispatchGroup()
|
|
|
|
// Mark articles as unread
|
|
let deltaUnreadArticleIDs = updatableReaderUnreadArticleIDs.subtracting(currentUnreadArticleIDs)
|
|
group.enter()
|
|
account.markAsUnread(deltaUnreadArticleIDs) { _ in
|
|
group.leave()
|
|
}
|
|
|
|
// Mark articles as read
|
|
let deltaReadArticleIDs = currentUnreadArticleIDs.subtracting(updatableReaderUnreadArticleIDs)
|
|
group.enter()
|
|
account.markAsRead(deltaReadArticleIDs) { _ in
|
|
group.leave()
|
|
}
|
|
|
|
group.notify(queue: DispatchQueue.main) {
|
|
completion()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
process(pendingArticleIDs)
|
|
|
|
} catch {
|
|
os_log(.error, log: self.log, "Sync Article Read Status failed: %@.", error.localizedDescription)
|
|
}
|
|
}
|
|
}
|
|
|
|
func syncArticleStarredState(account: Account, articleIDs: [String]?, completion: @escaping (() -> Void)) {
|
|
guard let articleIDs = articleIDs else {
|
|
completion()
|
|
return
|
|
}
|
|
|
|
Task { @MainActor in
|
|
|
|
do {
|
|
|
|
let pendingArticleIDs = (try await self.database.selectPendingStarredStatusArticleIDs()) ?? Set<String>()
|
|
|
|
@MainActor func process(_ pendingArticleIDs: Set<String>) {
|
|
let updatableReaderUnreadArticleIDs = Set(articleIDs).subtracting(pendingArticleIDs)
|
|
|
|
account.fetchStarredArticleIDs { articleIDsResult in
|
|
|
|
MainActor.assumeIsolated {
|
|
guard let currentStarredArticleIDs = try? articleIDsResult.get() else {
|
|
return
|
|
}
|
|
|
|
let group = DispatchGroup()
|
|
|
|
// Mark articles as starred
|
|
let deltaStarredArticleIDs = updatableReaderUnreadArticleIDs.subtracting(currentStarredArticleIDs)
|
|
group.enter()
|
|
account.markAsStarred(deltaStarredArticleIDs) { _ in
|
|
group.leave()
|
|
}
|
|
|
|
// Mark articles as unstarred
|
|
let deltaUnstarredArticleIDs = currentStarredArticleIDs.subtracting(updatableReaderUnreadArticleIDs)
|
|
group.enter()
|
|
account.markAsUnstarred(deltaUnstarredArticleIDs) { _ in
|
|
group.leave()
|
|
}
|
|
|
|
group.notify(queue: DispatchQueue.main) {
|
|
completion()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
process(pendingArticleIDs)
|
|
|
|
} catch {
|
|
os_log(.error, log: self.log, "Sync Article Starred Status failed: %@.", error.localizedDescription)
|
|
}
|
|
}
|
|
}
|
|
}
|