asking for notification permissions on authentication for more reliability for it to work off the bat and permissions for notifications

nirvana-ios/Services/PushNotificationService.swift

@@ -6,8 +6,14 @@
 //
 
 import Foundation
+import Firebase
+import FirebaseFirestore
+import FirebaseMessaging
+import UserNotifications
+import UIKit
 
-class PushNotificationService {
+class PushNotificationService: NSObject, MessagingDelegate, UNUserNotificationCenterDelegate {
+    let firestoreService = FirestoreService()
     
     func sendPushNotification(to token: String, title: String, body: String) {
         let urlString = "https://fcm.googleapis.com/fcm/send"
@@ -34,5 +40,43 @@ class PushNotificationService {
         }
         task.resume()
     }
+    
+    func registerForPushNotifications() {
+        if #available(iOS 10.0, *) {
+            // For iOS 10 display notification (sent via APNS)
+            UNUserNotificationCenter.current().delegate = self
+            let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
+            UNUserNotificationCenter.current().requestAuthorization(
+                options: authOptions,
+                completionHandler: {_, _ in })
+            // For iOS 10 data message (sent via FCM)
+            Messaging.messaging().delegate = self
+        } else {
+            let settings: UIUserNotificationSettings =
+                UIUserNotificationSettings(types: [.alert, .badge, .sound], categories: nil)
+            UIApplication.shared.registerUserNotificationSettings(settings)
+        }
+        UIApplication.shared.registerForRemoteNotifications()
+    }
+    
+    func updateFirestorePushTokenIfNeeded() {
+        if let deviceToken = Messaging.messaging().fcmToken {
+            if let user = Auth.auth().currentUser {
+              // User is signed in.
+                print("have access to user Id when I received registration token: \(user.uid)")
+                
+                // kind of have to store in database or update every time, because don't know if the user logged in and out or if there is a new token or not
+                // https://firebase.google.com/docs/cloud-messaging/ios/client#access_the_registration_token
+                
+                firestoreService.updateUserDeviceToken(userId: user.uid, deviceToken: deviceToken) { res in
+                    print(res)
+                }
+            } else {
+              // No user is signed in.
+              // ...
+                print("can't save user device token to a user")
+            }
+        }
+    }
 }
 

nirvana-ios/Views/InnerCircle/InnerCircleView.swift

@@ -143,7 +143,9 @@ struct InnerCircleView: View {
             // activate 3 data listeners once for authsessionstore/usermanager if not already called, but authsessionstore will handle that
             self.authSessionStore.activateMainDataListeners()
                         
-            // save device token
+            // set up push notifications and such + save up to date device token
+            // TODO: this is firing too often?
+            self.innerCircleVM.setUpPushNotifications()
         }
 //        .onDisappear {
 //            print("deiniting data listeners, but current data should still be cached!")

nirvana-ios/Views/InnerCircle/InnerCircleViewModel.swift

@@ -18,9 +18,9 @@ class InnerCircleViewModel: ObservableObject {
     
     private var audioLocalUrl: URL?
     
-    let cloudStorageService = CloudStorageService()
+    private let cloudStorageService = CloudStorageService()
-    let firestoreService = FirestoreService()
+    private let firestoreService = FirestoreService()
-    let pushNotificationService = PushNotificationService()
+    private let pushNotificationService = PushNotificationService()
     
     init() {
         do {
@@ -32,7 +32,6 @@ class InnerCircleViewModel: ObservableObject {
             print("Can not setup the Recording")
         }
     }
-    
 }
 
 // audio stuff
@@ -104,5 +103,9 @@ extension InnerCircleViewModel {
 
 // handling saving device token for notifications
 extension InnerCircleViewModel {
+    func setUpPushNotifications() {
+        self.pushNotificationService.registerForPushNotifications()
         
+        self.pushNotificationService.updateFirestorePushTokenIfNeeded()
+    }
 }

nirvana-ios/nirvana_iosApp.swift

@@ -123,7 +123,7 @@ class AppDelegate: NSObject, UIApplicationDelegate {
     }
     
     func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
-        print("failed ot register for remote notifications with error: \(error)")
+        print("failed to register for remote notifications with error: \(error)")
     }
 }
 
@@ -140,29 +140,6 @@ extension AppDelegate: MessagingDelegate {
       )
         
       // Note: This callback is fired at each app startup and whenever a new token is generated.
-        let firestoreService = FirestoreService()
-        let user = Auth.auth().currentUser
-        
-        // TODO: store it on loading of circle view and not on launch as this may just never get called
-        // use the notification center above
-        // https://stackoverflow.com/questions/58818046/how-to-set-addobserver-in-swiftui
-        if user != nil && fcmToken != nil {
-          // User is signed in.
-          // ...
-            print("have access to user Id when I received registration token: \(user!.uid)")
-            
-            // kind of have to store in database or update every time, because don't know if the user logged in and out or if there is a new token or not
-            // https://firebase.google.com/docs/cloud-messaging/ios/client#access_the_registration_token
-            
-            firestoreService.updateUserDeviceToken(userId: user!.uid, deviceToken: fcmToken!) { res in
-                print(res)
-            }
-        } else {
-          // No user is signed in.
-          // ...
-            print("can't save user device token to a user")
-        }
-        
     }
     
 }