Zhandos Bolatbekov
90 lines
3.0 KiB
Swift
90 lines
3.0 KiB
Swift
//
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// LocalNotificationsManager.swift
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// PrivadoVPN
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//
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// Created by Zhandos Bolatbekov on 28.01.2021.
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// Copyright © 2021 Privado LLC. All rights reserved.
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//
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import Foundation
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import UIKit
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import UserNotifications
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final class LocalNotificationsManager: NSObject, UNUserNotificationCenterDelegate {
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private let notificationCenter: UNUserNotificationCenter
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private weak var application: UIApplication?
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private var applicationIconBadgeNumber = 0
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// MARK: - Static
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private static var instance: LocalNotificationsManager?
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static func shared(with notificationCenter: UNUserNotificationCenter = .current()) -> LocalNotificationsManager {
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if let manager = instance { return manager }
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let instance = LocalNotificationsManager(with: notificationCenter)
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self.instance = instance
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return instance
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}
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// MARK: - Init
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private init(with notificationCenter: UNUserNotificationCenter) {
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self.notificationCenter = notificationCenter
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super.init()
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self.notificationCenter.delegate = self
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}
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// MARK: - Interface
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func register(for application: UIApplication) {
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self.application = application
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self.notificationCenter.requestAuthorization(options: [.badge, .sound, .alert]) { granted, _ in
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print("Push notifications permission granted: \(granted)")
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}
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}
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func schedule(notification: LocalNotification) {
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switch notification.kind {
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case .interval:
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let request = self.createIntervalNotificationRequest(notification: notification)
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self.notificationCenter.add(request) { error in
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if let error = error {
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print(error.localizedDescription)
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}
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}
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case .calendar, .location:
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break
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}
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}
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func resetAppBadgeCount() {
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self.applicationIconBadgeNumber = 0
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self.application?.applicationIconBadgeNumber = 0
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}
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// MARK: - UNUserNotificationCenterDelegate
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func userNotificationCenter(_ center: UNUserNotificationCenter,
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willPresent notification: UNNotification,
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withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
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completionHandler([.badge, .sound, .alert])
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}
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// MARK: - Private
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private func createIntervalNotificationRequest(notification: LocalNotification) -> UNNotificationRequest {
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let trigger = UNTimeIntervalNotificationTrigger(timeInterval: 1, repeats: false)
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let content = UNMutableNotificationContent()
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content.title = notification.title
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content.body = notification.body
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self.applicationIconBadgeNumber += 1
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content.badge = NSNumber(value: self.applicationIconBadgeNumber)
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let identifier = UUID().uuidString
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let request = UNNotificationRequest(identifier: identifier, content: content, trigger: trigger)
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return request
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}
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}
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