Fix: 과릿 1.3.3 (#401)

* Hotfix: 알림 리스트 반환 시, 게시글 id 반환하도록 수정 (#395)

* Hotfix: Null 반환하지 않도록 수정 #394

* Hotfix: NotificationRes DTO 수정 #394

* Hotfix: DTO 변경에 따른 쿼리 수정 #394

* Fix: 선생님이 삭제 가능하도록 권한 수정 #398

Author: dl-00-e8

src/main/java/com/selfrunner/gwalit/domain/board/service/BoardService.java

@@ -117,7 +117,8 @@ public BoardReplyRes updateBoard(Member member, Long boardId, List<MultipartFile
     public void deleteBoard(Member member, Long boardId) {
         // Validation
         Board board = boardRepository.findById(boardId).orElseThrow(() -> new BoardException(ErrorCode.NOT_FOUND_EXCEPTION));
-        if(!board.getMember().getMemberId().equals(member.getMemberId())) {
+        MemberAndLecture memberAndLecture = memberAndLectureRepository.findMemberAndLectureByMemberAndLectureLectureId(member, board.getLecture().getLectureId()).orElseThrow(() -> new BoardException(ErrorCode.UNAUTHORIZED_EXCEPTION));
+        if(!board.getMember().getMemberId().equals(member.getMemberId()) && !memberAndLecture.getIsTeacher()) {
             throw new BoardException(ErrorCode.UNAUTHORIZED_EXCEPTION);
         }
 
@@ -233,8 +234,9 @@ public ReplyRes registerReply(Member member, Long boardId, List<MultipartFile> m
     public void deleteReply(Member member, Long boardId, Long replyId) {
         // Validation
         Reply reply = replyRepository.findById(replyId).orElseThrow(() -> new BoardException(ErrorCode.NOT_FOUND_EXCEPTION));
+        MemberAndLecture memberAndLecture = memberAndLectureRepository.findMemberAndLectureByMemberAndLectureLectureId(member, reply.getBoard().getLecture().getLectureId()).orElseThrow(() -> new BoardException(ErrorCode.UNAUTHORIZED_EXCEPTION));
         // 댓글 작성자가 아니거나 다른 게시글 ID로 요청했는지 확인하는 조건문
-        if(!reply.getMember().getMemberId().equals(member.getMemberId()) || !reply.getBoard().getBoardId().equals(boardId)) {
+        if((!reply.getMember().getMemberId().equals(member.getMemberId()) && !memberAndLecture.getIsTeacher()) || !reply.getBoard().getBoardId().equals(boardId)) {
             throw new BoardException(ErrorCode.UNAUTHORIZED_EXCEPTION);
         }