[Setting] #40 APNS 등록, 파이어베이스 메시지 대리자 설정, FCM 토큰 갱신 모니터링 메서드 추가

wowmate/App/AppDelegate.swift

@@ -8,6 +8,7 @@
 import UIKit
 import IQKeyboardManagerSwift
 import FirebaseCore
+import FirebaseMessaging
 
 @main
 class AppDelegate: UIResponder, UIApplicationDelegate {
@@ -19,8 +20,31 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         IQKeyboardManager.shared.enable = true
         IQKeyboardManager.shared.enableAutoToolbar = false
         IQKeyboardManager.shared.shouldResignOnTouchOutside = true // 화면 아무 곳이나 터치 시 키보드 dismiss
+
+        /** APNS에 등록 */
+        UNUserNotificationCenter.current().delegate = self
+
+        let authOptions: UNAuthorizationOptions = [.alert, .badge, .sound]
+        UNUserNotificationCenter.current().requestAuthorization(
+            options: authOptions,
+            completionHandler: { _, _ in }
+        )
+        application.registerForRemoteNotifications()
+
         /** Firebase */
         FirebaseApp.configure()
+        // 메시지 대리자 설정
+        Messaging.messaging().delegate = self
+        // 현재 등록된 토큰 가져오기
+        Messaging.messaging().token { token, error in
+            if let error = error {
+                print("Error fetching FCM registration token: \(error)")
+            } else if let token = token {
+                print("FCM registration token: \(token)")
+                //self.fcmRegTokenMessage.text  = "Remote FCM registration token: \(token)"
+            }
+        }
+
         return true
     }
 
@@ -40,4 +64,31 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
 
 }
+extension AppDelegate: UNUserNotificationCenterDelegate {
+    func application(application: UIApplication,
+                     didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
+        Messaging.messaging().apnsToken = deviceToken
+    }
+    // 포그라운드 상태에서도 알림: 로컬/푸시 동일
+    func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
+        // .banner, .list: iOS 14+부터 사용가능
+        completionHandler([.badge, .banner, .list])
+    }
+}
+extension AppDelegate: MessagingDelegate {
+    // 토큰 갱신 모니터링
+    func messaging(_ messaging: Messaging, didReceiveRegistrationToken fcmToken: String?) {
+        print("Firebase registration token: \(String(describing: fcmToken))")
+
+        let dataDict: [String: String] = ["token": fcmToken ?? ""]
+        NotificationCenter.default.post(
+            name: Notification.Name("FCMToken"),
+            object: nil,
+            userInfo: dataDict
+        )
+        // TODO: If necessary send token to application server.
+        // Note: This callback is fired at each app startup and whenever a new token is generated.
+    }
+
+}