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  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        FirebaseApp.configure()
        return true
    }

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func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
        if let apnsData = response.notification.request.content.userInfo["aps"] as? [String: Any] {
            if let googleURL = apnsData["googleURL"] as? String {
                UIApplication.shared.openURL(URL(string: googleURL)!)
            }
            completionHandler()
        }
    }

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+   func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
+        if response.actionIdentifier == "like" {
+            print("Handle like action identifier")
+        } else if response.actionIdentifier == "save" {
+            print("Handle save action identifier")
+        } else {
+            print("No custom action identifiers chosen")
+        }
+        // Make sure completionHandler method is at the bottom of this func
+        completionHandler()

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   func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
      // 1. Access the payload notification content once received
      if let apnsData = response.notification.request.content.userInfo["aps"] as? [String: Any] {
            // 2. Get the imaginary storeID from the payload
            if let storeID = apnsData["storeID"] as? Int,
                // 3. When a notification is received and your app opens up you would generally get the initial View Controller
                // You can then access the InitialViewController and parse the it, and you can then access its functions. 
                let initialVC =  self.window?.visibleViewController as? InitialViewController {
                // 4. Using the initialVC function for getting a StoreViewController by a given storeID.
                // The getStoreViewController could simply perform a segue programatically and navigate from the

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  // 6. Add some actions and add them in a category which is then added to the notificationCategories
        let likeAction = UNNotificationAction(identifier: "like", title: "Like", options: [])
        let saveAction = UNNotificationAction(identifier: "save", title: "Save", options: [])
        let category = UNNotificationCategory(identifier: "unicorning", actions: [likeAction, saveAction], intentIdentifiers: [], options: [])
        UNUserNotificationCenter.current().setNotificationCategories([category])

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 override func didReceive(_ request: UNNotificationRequest, withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void) {
        self.contentHandler = contentHandler
        bestAttemptContent = (request.content.mutableCopy() as? UNMutableNotificationContent)

        guard let bestAttemptContent = bestAttemptContent, // 1. Make sure bestAttemptContent is not nil
            let apsData = bestAttemptContent.userInfo["aps"] as? [String: Any], // 2. Dig in the payload to get the
            let attachmentURLAsString = apsData["attachment-url"] as? String, // 3. The attachment-url
            let attachmentURL = URL(string: attachmentURLAsString) else { // 4. And parse it to URL
                return
        }

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{
	"aps":{
"alert":"Testing.. (54)",
"badge":1,
"sound":"default",
"mutable-content": 1,
"attachment-url": "https://tinyurl.com/y9exh3by"
}}

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   func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
        // 1. Convert device token to string
        let tokenParts = deviceToken.map { data -> String in
            return String(format: "%02.2hhx", data)
        }
        let token = tokenParts.joined()
        // 2. Print device token to use for PNs payloads
        print("Device Token: \(token)")
    }

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func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        registerForPushNotifications()
        return true
    }

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  func registerForPushNotifications() {
        UNUserNotificationCenter.current().delegate = self
        UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) {
            (granted, error) in
            print("Permission granted: \(granted)")
            // 1. Check if permission granted
            guard granted else { return }
            // 2. Attempt registration for remote notifications on the main thread
            DispatchQueue.main.async {
                UIApplication.shared.registerForRemoteNotifications()