[feat/#166] Create Delete Community Post Comment API

src/main/java/com/example/helloworldmvc/apiPayload/code/status/ErrorStatus.java

@@ -46,6 +46,8 @@
     //글 관련 응답
     COMMUNITY_NOT_FOUND(HttpStatus.NOT_FOUND,"COMMUNITY4001","글을 찾을 수 없습니다"),
     COMMUNITY_NOT_OWNER(HttpStatus.NOT_ACCEPTABLE,"COMMUNITY4002","해당 글의 소유자가 아닙니다."),
+    COMMUNITY_COMMENT_NOT_OWNER(HttpStatus.NOT_ACCEPTABLE,"COMMUNITY4003","해당 댓글의 소유자가 아닙니다."),
+    COMMUNITY_COMMENT_NOT_FOUND(HttpStatus.NOT_FOUND,"COMMUNITY4004","댓글을 찾을수 없습니다."),
 
     //언어 관련 응답
     LANGUAGE_NOT_EXIST(HttpStatus.NOT_FOUND, "LANGUAGE4001", "해당 언어가 없습니다.");

src/main/java/com/example/helloworldmvc/service/CommentService.java

@@ -6,5 +6,6 @@
 
 public interface CommentService {
     public CommentResponseDTO.commentCreateRes createComment(String userId, Long communityId, CommentRequestDTO.commentCreateReq requestBody);
+    public CommentResponseDTO.commentDeleteRes deleteComment(String userId, Long communityId, Long commentId);
 
 }

src/main/java/com/example/helloworldmvc/service/CommentServiceImpl.java

@@ -46,4 +46,18 @@ public CommentResponseDTO.commentCreateRes createComment(String userId, Long com
 
         return new CommentResponseDTO.commentCreateRes(savedComment.getId());
     }
+
+    @Override
+    public CommentResponseDTO.commentDeleteRes deleteComment(String userId, Long communityId, Long commentId) {
+        User user = userRepository.findByEmail(userId)
+                .orElseThrow(() -> new GeneralException(ErrorStatus.USER_NOT_FOUND));
+        Community community = communityRepository.findById(communityId)
+                .orElseThrow(() -> new GeneralException(ErrorStatus.COMMUNITY_NOT_FOUND));
+        Comment comment = commentRepository.findById(commentId).orElseThrow(() -> new GeneralException(ErrorStatus.COMMUNITY_COMMENT_NOT_FOUND));
+        if(!comment.getUser().equals(user)) {
+            throw new GeneralException(ErrorStatus.COMMUNITY_COMMENT_NOT_OWNER);
+        }
+        commentRepository.deleteById(commentId);
+        return new CommentResponseDTO.commentDeleteRes(commentId, communityId);
+    }
 }

src/main/java/com/example/helloworldmvc/web/controller/CommunityController.java

@@ -140,4 +140,25 @@ public ApiResponse<CommunityResponseDTO.ModifyPostDTO> modifyCommunity(@RequestH
         String gmail = jwtTokenProvider.getGoogleEmail(accessToken);
         return ApiResponse.onSuccess(communityService.modifyCommunityPost(gmail, communityId, modifyPostDTO));
     }
+
+    @DeleteMapping(value = "/{community_id}/{comment_id}/comment/delete")
+    @Operation(summary = "커뮤니티 댓글 삭제 API", description = "커뮤니티 게시판에 댓글을 삭제 API입니다.")
+    @ApiResponses({
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "COMMON200", description = "OK, 성공"),
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "USER4001", description = "사용자를 찾을수 없습니다.")
+    })
+    @Parameters({
+            @Parameter(name = "Authorization", description = "RequestHeader - 로그인한 사용자 토큰"),
+            @Parameter(name = "community_id", description = "PathVariable - 게시글 아이디"),
+            @Parameter(name = "comment_id", description = "PathVariable - 게시글 댓글 아이디"),
+    })
+    public ApiResponse<CommentResponseDTO.commentDeleteRes> deleteComment(@RequestHeader(name = "Authorization") String accessToken,
+                                                                          @PathVariable(name = "community_id") Long communityId,
+                                                                          @PathVariable(name = "comment_id") Long commentId) {
+        {
+            String gmail = jwtTokenProvider.getGoogleEmail(accessToken);
+            return ApiResponse.onSuccess(commentService.deleteComment(gmail, communityId, commentId));
+        }
+
+    }
 }

src/main/java/com/example/helloworldmvc/web/dto/CommentResponseDTO.java

@@ -15,4 +15,13 @@ public static class commentCreateRes{
         Long commentId;
     }
 
+    @Builder
+    @Getter
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class commentDeleteRes{
+        Long commentId;
+        Long communityId;
+    }
+
 }