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75 lines
3.0 KiB
75 lines
3.0 KiB
//
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// CountdownScheduler.swift
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// Countdown
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//
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// Created by Laurent Morvillier on 15/01/2023.
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//
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import Foundation
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import UserNotifications
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class CountdownScheduler {
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static let master = CountdownScheduler()
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static let notificationIdSeparator: String = "||"
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func scheduleIfPossible(countdown: Countdown, handler: @escaping (Result<Date?, Error>) -> Void) {
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self.cancelCurrentNotifications(countdownId: countdown.stringId)
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Conductor.maestro.startCountdown(countdown: countdown, handler: handler)
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self._scheduleCountdownNotification(countdown: countdown, handler: handler)
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}
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fileprivate func _scheduleCountdownNotification(countdown: Countdown, handler: @escaping (Result<Date?, Error>) -> Void) {
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let content = UNMutableNotificationContent()
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content.title = NSLocalizedString("It's time!", comment: "")
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let duration = countdown.duration
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let body: String
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if let name = countdown.activity?.name {
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let timesup = NSLocalizedString("Time's up for %@!", comment: "")
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body = String(format: timesup, name)
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} else {
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let timesup = NSLocalizedString("Your %@ countdown is over!", comment: "")
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body = String(format: timesup, duration.minuteSecond)
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}
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content.body = body
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self._createNotification(countdown: countdown, content: content, handler: handler)
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// content.sound = UNNotificationSound.criticalSoundNamed(UNNotificationSoundName(rawValue: sound), withAudioVolume: 1.0)
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// content.interruptionLevel = .critical
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content.relevanceScore = 1.0
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}
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fileprivate func _createNotification(countdown: Countdown, offset: TimeInterval = 0.0, content: UNMutableNotificationContent, handler: @escaping (Result<Date?, Error>) -> Void) {
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let duration = countdown.duration
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let trigger = UNTimeIntervalNotificationTrigger(timeInterval: duration + offset, repeats: false)
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let identifier: String = [countdown.objectID.uriRepresentation().absoluteString, "\(offset)"].joined(separator: CountdownScheduler.notificationIdSeparator)
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let request = UNNotificationRequest(identifier: identifier,
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content: content,
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trigger: trigger)
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UNUserNotificationCenter.current().add(request) { error in
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DispatchQueue.main.async {
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if let error {
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handler(.failure(error))
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print("Scheduling error = \(error)")
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}
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}
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}
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}
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func cancelCurrentNotifications(countdownId: String) {
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UNUserNotificationCenter.current().getPendingNotificationRequests { requests in
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let ids = requests.map { $0.identifier }.filter { $0.hasPrefix(countdownId) }
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UNUserNotificationCenter.current().removePendingNotificationRequests(withIdentifiers: ids)
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}
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}
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}
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