feat(community): CommunityComment 생성 시 게시글 검증 로직 추가

Author: ayoung-dev

src/main/java/com/somemore/community/service/comment/CreateCommunityCommentService.java

@@ -2,6 +2,7 @@
 
 import com.somemore.community.domain.CommunityComment;
 import com.somemore.community.dto.request.CommunityCommentCreateRequestDto;
+import com.somemore.community.repository.board.CommunityBoardRepository;
 import com.somemore.community.repository.comment.CommunityCommentRepository;
 import com.somemore.community.usecase.comment.CreateCommunityCommentUseCase;
 import com.somemore.global.exception.BadRequestException;
@@ -11,24 +12,34 @@
 
 import java.util.UUID;
 
+import static com.somemore.global.exception.ExceptionMessage.NOT_EXISTS_COMMUNITY_BOARD;
 import static com.somemore.global.exception.ExceptionMessage.NOT_EXISTS_COMMUNITY_COMMENT;
 
 @RequiredArgsConstructor
 @Transactional
 @Service
 public class CreateCommunityCommentService implements CreateCommunityCommentUseCase {
 
+    private final CommunityBoardRepository communityBoardRepository;
     private final CommunityCommentRepository communityCommentRepository;
 
     @Override
     public Long createCommunityComment(CommunityCommentCreateRequestDto requestDto, UUID writerId) {
         CommunityComment communityComment = requestDto.toEntity(writerId);
 
+        validateCommunityBoardExists(communityComment.getCommunityBoardId());
+
         validateParentCommentExists(communityComment.getParentCommentId());
 
         return communityCommentRepository.save(communityComment).getId();
     }
 
+    private void validateCommunityBoardExists(Long communityBoardId) {
+        if (communityBoardRepository.doesNotExistById(communityBoardId)) {
+            throw new BadRequestException(NOT_EXISTS_COMMUNITY_BOARD.getMessage());
+        }
+    }
+
     private void validateParentCommentExists(Long parentCommentId) {
         if (parentCommentId != null && !communityCommentRepository.existsById(parentCommentId)) {
             throw new BadRequestException(NOT_EXISTS_COMMUNITY_COMMENT.getMessage());