[Add] #6 FCM 기능 추가

BMDJ/AppDelegate.swift

@@ -11,13 +11,21 @@ import Firebase
 
 @main
 class AppDelegate: UIResponder, UIApplicationDelegate {
-
+
+    let gcmMessageIDKey = "634NV3MK2C"
     var window: UIWindow?
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         print(UserDefaultService.shared.token)
         FirebaseApp.configure()
 
+        UNUserNotificationCenter.current().delegate = self
+        Messaging.messaging().delegate = self
+
+        let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
+        UNUserNotificationCenter.current().requestAuthorization(options: authOptions) { _, _ in }
+        application.registerForRemoteNotifications()
+
         window = UIWindow(frame: UIScreen.main.bounds)
         window?.makeKeyAndVisible()
 
@@ -39,3 +47,35 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     }
 }
 
+extension AppDelegate: UNUserNotificationCenterDelegate {
+    func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
+        let userInfo = notification.request.content.userInfo
+
+        if let messageID = userInfo[gcmMessageIDKey] {
+            print("Message ID: \(messageID)")
+        }
+        completionHandler([])
+    }
+
+    func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
+        let userInfo = response.notification.request.content.userInfo
+
+        if let messageID = userInfo[gcmMessageIDKey] {
+            print("Message ID: \(messageID)")
+        }
+
+        print(userInfo)
+
+        completionHandler()
+    }
+}
+
+extension AppDelegate: MessagingDelegate {
+    func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String?) {
+        print("Firebase registration token: \(fcmToken)")
+        if let fcmToken = fcmToken {
+            let dataDict: [String: String] = ["token": fcmToken]
+            NotificationCenter.default.post(name: Notification.Name("FCMToken"), object: nil, userInfo: dataDict)
+        }
+    }
+}