MobileMkch-iOS/MobileMkch/BackgroundTaskManager.swift

82 lines
3.1 KiB
Swift
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import Foundation
import BackgroundTasks
import UIKit
class BackgroundTaskManager {
static let shared = BackgroundTaskManager()
private var backgroundTaskIdentifier: String {
// Используем идентификатор из Info.plist (BGTaskSchedulerPermittedIdentifiers)
if let identifiers = Bundle.main.object(forInfoDictionaryKey: "BGTaskSchedulerPermittedIdentifiers") as? [String],
let first = identifiers.first {
return first
}
// Фоллбек на значение по умолчанию
return "com.mkch.MobileMkch.backgroundrefresh"
}
private let notificationManager = NotificationManager.shared
private init() {}
func registerBackgroundTasks() {
BGTaskScheduler.shared.register(forTaskWithIdentifier: backgroundTaskIdentifier, using: nil) { task in
self.handleBackgroundTask(task as! BGAppRefreshTask)
}
}
func scheduleBackgroundTask() {
let request = BGAppRefreshTaskRequest(identifier: backgroundTaskIdentifier)
let settings = Settings()
let interval = TimeInterval(settings.notificationInterval * 60)
request.earliestBeginDate = Date(timeIntervalSinceNow: interval)
do {
try BGTaskScheduler.shared.submit(request)
print("Фоновая задача запланирована на \(interval) секунд")
} catch {
print("Не удалось запланировать фоновую задачу: \(error)")
}
}
private func handleBackgroundTask(_ task: BGAppRefreshTask) {
task.expirationHandler = {
task.setTaskCompleted(success: false)
}
let settings = Settings()
guard settings.notificationsEnabled else {
task.setTaskCompleted(success: true)
return
}
let group = DispatchGroup()
var hasNewThreads = false
for boardCode in notificationManager.subscribedBoards {
group.enter()
APIClient().checkNewThreads(forBoard: boardCode, lastKnownThreadId: 0) { result in
switch result {
case .success(let newThreads):
if !newThreads.isEmpty {
hasNewThreads = true
print("Найдено \(newThreads.count) новых тредов в /\(boardCode)/")
for thread in newThreads {
self.notificationManager.scheduleNotification(for: thread, boardCode: boardCode)
}
}
case .failure(let error):
print("Ошибка проверки новых тредов для /\(boardCode)/: \(error)")
}
group.leave()
}
}
group.notify(queue: .main) {
task.setTaskCompleted(success: true)
if hasNewThreads {
self.scheduleBackgroundTask()
}
}
}
}