!hotfix: 알림 전송 실패 시 로그 추가 및 이미지 null 처리 문제 해결 (#384)

* feat: 알림 전송 실패 시 로그 추가

* fix: 이미지 null 처리 문제 해결

backend/ddang/src/main/java/com/ddang/ddang/chat/application/MessageService.java

@@ -61,7 +61,12 @@ public Long create(final CreateMessageDto dto, final String baseUrl) {
 
     private void sendNotification(final Message message, final String baseUrl)  {
         final Long profileImageId = ImageIdProcessor.process(message.getWriter().getProfileImage());
-        final String profileImageUrl = baseUrl.concat(String.valueOf(profileImageId));
+
+        // TODO: 2023/09/15 5차데모데이 이후 수정 예정
+        String profileImageUrl = null;
+        if (profileImageId != null) {
+            profileImageUrl = baseUrl.concat(String.valueOf(profileImageId));
+        }
 
         final CreateNotificationDto dto = new CreateNotificationDto(
                 NotificationType.MESSAGE,

backend/ddang/src/main/java/com/ddang/ddang/notification/application/FcmNotificationService.java

@@ -8,6 +8,7 @@
 import com.google.firebase.messaging.FirebaseMessagingException;
 import com.google.firebase.messaging.Message;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -20,6 +21,7 @@
 @Service
 @Transactional(readOnly = true)
 @RequiredArgsConstructor
+@Slf4j
 public class FcmNotificationService implements NotificationService {
 
     private static final String NOTIFICATION_SEND_SUCCESS = "알림 전송 성공";
@@ -55,6 +57,7 @@ private String makeAndSendMessage(
             firebaseMessaging.send(message);
             return NOTIFICATION_SEND_SUCCESS;
         } catch (FirebaseMessagingException ex) {
+            log.error("exception type : {}, ", ex.getClass().getSimpleName(), ex);
             return NOTIFICATION_SEND_FAIL;
         }
     }