hotfix: 알림조회 읽음처리 오류 해결

baebae-BE/src/main/java/com/web/baebaeBE/domain/notification/service/NotificationService.java

@@ -13,6 +13,7 @@
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDateTime;
 import java.util.ArrayList;
@@ -21,6 +22,7 @@
 @Service
 @Slf4j
 @RequiredArgsConstructor
+@Transactional
 public class NotificationService {
 
     private final NotificationRepository notificationRepository;
@@ -45,23 +47,23 @@ public Notification createNotification(NotificationRequest.create createNotifica
 
 
     // 특정 멤버의 모든 알람 조회
+    @Transactional
     public NotificationResponse.NotificationListResponse getNotificationsListByMember(Long memberId) {
         Member member = memberRepository.findById(memberId)
                 .orElseThrow(() -> new BusinessException(LoginException.NOT_EXIST_MEMBER));
 
         List<Notification> notificationList = notificationRepository.findByMemberOrderByNotificationTimeDesc(member);
 
-        // 사용자에게 반환할 알림 목록을 복사
-        List<Notification> notificationsToReturn = new ArrayList<>(notificationList);
+        // 복사본을 사용하여 응답을 생성
+        NotificationResponse.NotificationListResponse response = NotificationResponse.NotificationContentResponse.ListOf(new ArrayList<>(notificationList));
 
         // 원본 알림 목록의 isChecked 필드를 true로 설정하고, 데이터베이스에 변경 사항을 저장
         for (Notification notification : notificationList) {
             notification.checkNotification();
         }
         notificationRepository.saveAll(notificationList);
 
-        // 복사한 알림 목록을 사용하여 응답을 생성
-        return NotificationResponse.NotificationContentResponse.ListOf(notificationsToReturn);
+        return response;
     }