feat: 유저 행동 데이터 기록 추가 - 콘텐츠에 댓글 쓰기

src/main/kotlin/kr/co/vividnext/sodalive/fcm/FcmService.kt

@@ -4,8 +4,6 @@ import com.google.firebase.messaging.AndroidConfig
 import com.google.firebase.messaging.ApnsConfig
 import com.google.firebase.messaging.Aps
 import com.google.firebase.messaging.FirebaseMessaging
-import com.google.firebase.messaging.FirebaseMessagingException
-import com.google.firebase.messaging.Message
 import com.google.firebase.messaging.MessagingErrorCode
 import com.google.firebase.messaging.MulticastMessage
 import com.google.firebase.messaging.Notification
@@ -38,7 +36,7 @@ class FcmService(private val pushTokenService: PushTokenService) {
 
         while (attempt <= maxAttempts && targets.isNotEmpty()) {
             val multicastMessage = MulticastMessage.builder()
-                .addAllTokens(tokens)
+                .addAllTokens(targets)
 
             multicastMessage.setAndroidConfig(
                 AndroidConfig.builder()
@@ -117,51 +115,69 @@ class FcmService(private val pushTokenService: PushTokenService) {
         }
     }
 
-    fun sendPointGranted(token: String, point: Int) {
+    fun sendPointGranted(tokens: List<String>, point: Int) {
+        if (tokens.isEmpty()) return
         val data = mapOf(
             "type" to "POINT_GRANTED",
             "point" to point.toString(),
             "message" to "${point}포인트가 지급되었습니다!"
         )
 
+        var targets = tokens
         var attempts = 0
         val maxAttempts = 3
 
-        while (attempts < maxAttempts) {
-            try {
-                val message = Message.builder()
-                    .setToken(token)
-                    .putAllData(data)
+        while (attempts <= maxAttempts && targets.isNotEmpty()) {
+            val multicastMessage = MulticastMessage.builder()
+                .addAllTokens(targets)
+                .putAllData(data)
+
+            multicastMessage.setAndroidConfig(
+                AndroidConfig.builder()
+                    .setPriority(AndroidConfig.Priority.HIGH)
                     .build()
+            )
 
-                val response = FirebaseMessaging.getInstance().send(message)
-                logger.info("[FCM] ✅ 성공 (attempt ${attempts + 1}): messageId=$response")
-                return // 성공 시 즉시 종료
-            } catch (e: FirebaseMessagingException) {
-                attempts++
+            multicastMessage.setApnsConfig(
+                ApnsConfig.builder()
+                    .setAps(
+                        Aps.builder()
+                            .setSound("default")
+                            .build()
+                    )
+                    .build()
+            )
 
-                // "registration-token-not-registered" 예외 코드 확인
-                if (e.messagingErrorCode == MessagingErrorCode.UNREGISTERED) {
-                    logger.error("[FCM] ❌ 실패: 토큰이 등록되지 않음 (등록 해제됨) → 재시도 안함")
-                    // DB에서 삭제
-                    pushTokenService.unregisterInvalidToken(token)
-                    return
-                }
+            val response = FirebaseMessaging.getInstance().sendEachForMulticast(multicastMessage.build())
+            val failedTokens = mutableListOf<String>()
 
-                logger.error("[FCM] ❌ 실패 (attempt $attempts): ${e.errorCode} - ${e.message}")
+            response.responses.forEachIndexed { index, res ->
+                if (!res.isSuccessful) {
+                    val exception = res.exception
+                    val token = targets[index]
 
-                if (attempts >= maxAttempts) {
-                    logger.error("[FCM] ❌ 최종 실패: 전송 불가")
-                }
-            } catch (e: Exception) {
-                // Firebase 이외의 예외도 잡기
-                attempts++
-                logger.error("[FCM] ❌ 실패 (attempt $attempts): ${e.message}")
-
-                if (attempts >= maxAttempts) {
-                    logger.error("[FCM] ❌ 최종 실패: 알 수 없는 오류")
+                    if (exception?.messagingErrorCode == MessagingErrorCode.UNREGISTERED) {
+                        logger.error("[FCM] ❌ UNREGISTERED → $token")
+                        // DB에서 삭제
+                        pushTokenService.unregisterInvalidToken(token)
+                    } else {
+                        logger.error("[FCM] ❌ 실패: $token / ${exception?.messagingErrorCode}")
+                        failedTokens.add(token)
+                    }
                 }
             }
+
+            if (failedTokens.isEmpty()) {
+                logger.info("[FCM] ✅ 전체 전송 성공")
+                return
+            }
+
+            targets = failedTokens
+            attempts++
+        }
+
+        if (targets.isNotEmpty()) {
+            logger.error("[FCM] ❌ 최종 실패 대상 ${targets.size}명 → $targets")
         }
     }
 }