Merge pull request #70 from KNU-HAEDAL-Website/feat-delete-board-issu…

…e-61 Feat: 게시글 존재 시 게시판 삭제 불가
KNU-HAEDAL-Website · Aug 8, 2024 · 0676ae9 · 0676ae9
2 parents 1695edc + ec4507e
commit 0676ae9
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Showing 4 changed files with 15 additions and 2 deletions.
diff --git a/src/main/java/com/haedal/haedalweb/constants/ErrorCode.java b/src/main/java/com/haedal/haedalweb/constants/ErrorCode.java
@@ -26,7 +26,8 @@ public enum ErrorCode implements ResponseCode{
     EXIST_BOARD(HttpStatus.CONFLICT, "017", "해당 활동에 게시판이 존재하는 경우 삭제할 수 없습니다."),
     NOT_FOUND_BOARD_ID(HttpStatus.NOT_FOUND, "018", "해당 게시판을 찾을 수 없습니다."),
     FORBIDDEN_UPDATE(HttpStatus.FORBIDDEN, "019", "삭제 권한이 없습니다."),
-    NOT_FOUND_POST_TYPE(HttpStatus.NOT_FOUND, "018", "해당 게시글 타입이 존재하지 않습니다.");
+    NOT_FOUND_POST_TYPE(HttpStatus.NOT_FOUND, "018", "해당 게시글 타입이 존재하지 않습니다."),
+    EXIST_POST(HttpStatus.CONFLICT, "020", "해당 게시판에 게시글이 존재하는 경우 삭제할 수 없습니다.");
 
     private final HttpStatus httpStatus;
     private final String code;

diff --git a/src/main/java/com/haedal/haedalweb/repository/PostRepository.java b/src/main/java/com/haedal/haedalweb/repository/PostRepository.java
@@ -6,4 +6,5 @@
 
 @Repository
 public interface PostRepository extends JpaRepository<Post, Long> {
+    boolean existsByBoardId(Long boardId);
 }
diff --git a/src/main/java/com/haedal/haedalweb/service/BoardService.java b/src/main/java/com/haedal/haedalweb/service/BoardService.java
@@ -27,6 +27,7 @@
 public class BoardService {
     private final BoardRepository boardRepository;
     private final ActivityService activityService;
+    private final PostService postService;
     private final UserService userService;
     private final S3Service s3Service;
 
@@ -86,8 +87,8 @@ public void deleteBoard(Long activityId, Long boardId) {
         User creator = board.getUser();
 
         validateAuthorityOfBoardManagement(loggedInUser, creator);
+        validateDeleteBoardRequest(boardId);
 
-        // 게시글 존재 시 삭제 불가 로직 추가 예정
         s3Service.deleteObject(board.getImageUrl());
         boardRepository.delete(board);
     }
@@ -183,4 +184,10 @@ private void validateAuthorityOfBoardManagement(User loggedInUser, User creator)
             throw new BusinessException(ErrorCode.FORBIDDEN_UPDATE);
         }
     }
+
+    private void validateDeleteBoardRequest(Long boardId) {
+        if (postService.isBoardPresent(boardId)) {
+            throw new BusinessException(ErrorCode.EXIST_POST);
+        }
+    }
 }
diff --git a/src/main/java/com/haedal/haedalweb/service/PostService.java b/src/main/java/com/haedal/haedalweb/service/PostService.java
@@ -22,6 +22,10 @@ public class PostService {
     private final BoardService boardService;
     private final UserService userService;
 
+    public boolean isBoardPresent(Long boardId) {
+        return postRepository.existsByBoardId(boardId);
+    }
+
     @Transactional
     public void createPost(Long boardId, CreatePostDTO createPostDTO) { // createPost 리팩토링 해야함.
         Board board = boardService.findBoardById(boardId);