[#119] Fix: 페이징 content 빈값 문제

src/main/java/com/sajang/devracebackend/repository/ChatRepository.java

@@ -8,5 +8,6 @@
 import java.time.LocalDateTime;
 
 public interface ChatRepository extends MongoRepository<Chat, String> {  // MongoDB
+    Slice<Chat> findAllByRoomId(Long roomId, Pageable pageable);
     Slice<Chat> findAllByRoomIdAndCreatedTimeLessThanEqual(Long roomId, LocalDateTime leaveTime, Pageable pageable);
 }

src/main/java/com/sajang/devracebackend/repository/UserRoomRepository.java

@@ -23,5 +23,5 @@ public interface UserRoomRepository extends JpaRepository<UserRoom, Long> {
     Page<UserRoom> findAllByIsLeaveAndUser_Id(Integer isLeave, Long userId, Pageable pageable);
     Page<UserRoom> findAllByIsLeaveAndIsPass(Integer isLeave, Integer isPass, Pageable pageable);
     Page<UserRoom> findAllByIsLeaveAndRoom_Problem_Number(Integer isLeave, Integer number, Pageable pageable);
-    Page<UserRoom> findAllByIsLeaveAndRoom_Link(Integer isLeave, String link, Pageable pageable);
+    Page<UserRoom> findAllByRoom_Link(String link, Pageable pageable);
 }

src/main/java/com/sajang/devracebackend/service/impl/ChatServiceImpl.java

@@ -84,8 +84,10 @@ public Slice<ChatResponseDto> findChatsByRoom(Long roomId, Pageable pageable) {
         UserRoom userRoom = userRoomService.findUserRoom(SecurityUtil.getCurrentMemberId(), roomId);
         LocalDateTime leaveTime = userRoom.getLeaveTime();
 
-        // 본인 퇴장시각 이하까지의 채팅 내역 조회
-        Slice<Chat> chatSlice = chatRepository.findAllByRoomIdAndCreatedTimeLessThanEqual(roomId, leaveTime, pageable);
+        // 퇴장한 경우, 본인 퇴장시각 이하까지의 채팅 내역 조회
+        Slice<Chat> chatSlice;
+        if(userRoom.getIsLeave() == 1) chatSlice = chatRepository.findAllByRoomIdAndCreatedTimeLessThanEqual(roomId, leaveTime, pageable);
+        else chatSlice = chatRepository.findAllByRoomId(roomId, pageable);
 
         // 사용자 캐싱을 위한 맵 생성 (이미 검색한것은 다시 검색하지않도록 성능 향상)
         Map<Long, User> cacheUserMap = new HashMap<>();

src/main/java/com/sajang/devracebackend/service/impl/UserRoomServiceImpl.java

@@ -207,7 +207,7 @@ else if(isPass == null && number != null && link == null) {  // 문제번호 검
             userRoomPage = userRoomRepository.findAllByIsLeaveAndRoom_Problem_Number(1, number, pageable);
         }
         else if(isPass == null && number == null && link != null) {  // 초대링크 탐색 조회의 경우
-            userRoomPage = userRoomRepository.findAllByIsLeaveAndRoom_Link(1, link, pageable);
+            userRoomPage = userRoomRepository.findAllByRoom_Link(link, pageable);
         }
         else {  // 잘못된 URI
             throw new Exception400.UserRoomBadRequest("잘못된 쿼리파라미터로 API를 요청하였습니다.");