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Feat: 댓글 수정 및 삭제 API 구현 (#159) #161

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Merged
joyewon0705 merged 6 commits into from
Oct 2, 2025
Merged

Feat: 댓글 수정 및 삭제 API 구현 (#159) #161

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7f25bff
Feat: 댓글 수정 API 구현
joyewon0705 Oct 2, 2025
304b098
Test: 테스트 작성
joyewon0705 Oct 2, 2025
14ff8b6
Docs: Swagger 문서 작성
joyewon0705 Oct 2, 2025
5c8dc60
Feat: 댓글 삭제 API 구현
joyewon0705 Oct 2, 2025
215721c
Test: 테스트 작성
joyewon0705 Oct 2, 2025
baef50e
Docs: Swagger 문서 작성
joyewon0705 Oct 2, 2025
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33 changes: 33 additions & 0 deletions src/main/java/com/back/domain/board/controller/CommentController.java
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Expand Up @@ -33,4 +33,37 @@ public ResponseEntity<RsData<CommentResponse>> createComment(
response
));
}

// 댓글 수정
@PutMapping("/{commentId}")
public ResponseEntity<RsData<CommentResponse>> updateComment(
@PathVariable Long postId,
@PathVariable Long commentId,
@RequestBody @Valid CommentRequest request,
@AuthenticationPrincipal CustomUserDetails user
) {
CommentResponse response = commentService.updateComment(postId, commentId, request, user.getUserId());
return ResponseEntity
.status(HttpStatus.OK)
.body(RsData.success(
"댓글이 수정되었습니다.",
response
));
}

// 댓글 삭제
@DeleteMapping("/{commentId}")
public ResponseEntity<RsData<Void>> deleteComment(
@PathVariable Long postId,
@PathVariable Long commentId,
@AuthenticationPrincipal CustomUserDetails user
) {
commentService.deleteComment(postId, commentId, user.getUserId());
return ResponseEntity
.status(HttpStatus.OK)
.body(RsData.success(
"댓글이 삭제되었습니다.",
null
));
}
}
256 changes: 256 additions & 0 deletions src/main/java/com/back/domain/board/controller/CommentControllerDocs.java
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Expand Up @@ -141,4 +141,260 @@ ResponseEntity<RsData<CommentResponse>> createComment(
@RequestBody CommentRequest request,
@AuthenticationPrincipal CustomUserDetails user
);

@Operation(
summary = "댓글 수정",
description = "로그인한 사용자가 자신이 작성한 댓글을 수정합니다."
)
@ApiResponses({
@ApiResponse(
responseCode = "200",
description = "댓글 수정 성공",
content = @Content(
mediaType = "application/json",
examples = @ExampleObject(value = """
{
"success": true,
"code": "SUCCESS_200",
"message": "댓글이 수정되었습니다.",
"data": {
"commentId": 25,
"postId": 101,
"author": {
"id": 5,
"nickname": "홍길동"
},
"content": "수정된 댓글 내용입니다.",
"createdAt": "2025-09-22T11:30:00",
"updatedAt": "2025-09-22T13:00:00"
}
}
""")
)
),
@ApiResponse(
responseCode = "400",
description = "잘못된 요청 (필드 누락 등)",
content = @Content(
mediaType = "application/json",
examples = @ExampleObject(value = """
{
"success": false,
"code": "COMMON_400",
"message": "잘못된 요청입니다.",
"data": null
}
""")
)
),
@ApiResponse(
responseCode = "401",
description = "인증 실패 (토큰 없음/잘못됨/만료)",
content = @Content(
mediaType = "application/json",
examples = {
@ExampleObject(name = "토큰 없음", value = """
{
"success": false,
"code": "AUTH_001",
"message": "인증이 필요합니다.",
"data": null
}
"""),
@ExampleObject(name = "잘못된 토큰", value = """
{
"success": false,
"code": "AUTH_002",
"message": "유효하지 않은 액세스 토큰입니다.",
"data": null
}
"""),
@ExampleObject(name = "만료된 토큰", value = """
{
"success": false,
"code": "AUTH_004",
"message": "만료된 액세스 토큰입니다.",
"data": null
}
""")
}
)
),
@ApiResponse(
responseCode = "403",
description = "권한 없음 (작성자 아님)",
content = @Content(
mediaType = "application/json",
examples = @ExampleObject(value = """
{
"success": false,
"code": "COMMENT_002",
"message": "댓글 작성자만 수정/삭제할 수 있습니다.",
"data": null
}
""")
)
),
@ApiResponse(
responseCode = "404",
description = "존재하지 않는 게시글 또는 댓글",
content = @Content(
mediaType = "application/json",
examples = {
@ExampleObject(name = "존재하지 않는 게시글", value = """
{
"success": false,
"code": "POST_001",
"message": "존재하지 않는 게시글입니다.",
"data": null
}
"""),
@ExampleObject(name = "존재하지 않는 댓글", value = """
{
"success": false,
"code": "COMMENT_001",
"message": "존재하지 않는 댓글입니다.",
"data": null
}
""")
}
)
),
@ApiResponse(
responseCode = "500",
description = "서버 내부 오류",
content = @Content(
mediaType = "application/json",
examples = @ExampleObject(value = """
{
"success": false,
"code": "COMMON_500",
"message": "서버 오류가 발생했습니다.",
"data": null
}
""")
)
)
})
ResponseEntity<RsData<CommentResponse>> updateComment(
@PathVariable Long postId,
@PathVariable Long commentId,
@RequestBody CommentRequest request,
@AuthenticationPrincipal CustomUserDetails user
);

@Operation(
summary = "댓글 삭제",
description = "로그인한 사용자가 자신이 작성한 댓글을 삭제합니다."
)
@ApiResponses({
@ApiResponse(
responseCode = "200",
description = "댓글 삭제 성공",
content = @Content(
mediaType = "application/json",
examples = @ExampleObject(value = """
{
"success": true,
"code": "SUCCESS_200",
"message": "댓글이 삭제되었습니다.",
"data": null
}
""")
)
),
@ApiResponse(
responseCode = "401",
description = "인증 실패 (토큰 없음/잘못됨/만료)",
content = @Content(
mediaType = "application/json",
examples = {
@ExampleObject(name = "토큰 없음", value = """
{
"success": false,
"code": "AUTH_001",
"message": "인증이 필요합니다.",
"data": null
}
"""),
@ExampleObject(name = "잘못된 토큰", value = """
{
"success": false,
"code": "AUTH_002",
"message": "유효하지 않은 액세스 토큰입니다.",
"data": null
}
"""),
@ExampleObject(name = "만료된 토큰", value = """
{
"success": false,
"code": "AUTH_004",
"message": "만료된 액세스 토큰입니다.",
"data": null
}
""")
}
)
),
@ApiResponse(
responseCode = "403",
description = "권한 없음 (작성자 아님)",
content = @Content(
mediaType = "application/json",
examples = @ExampleObject(value = """
{
"success": false,
"code": "COMMENT_002",
"message": "댓글 작성자만 수정/삭제할 수 있습니다.",
"data": null
}
""")
)
),
@ApiResponse(
responseCode = "404",
description = "존재하지 않는 게시글 또는 댓글",
content = @Content(
mediaType = "application/json",
examples = {
@ExampleObject(name = "존재하지 않는 게시글", value = """
{
"success": false,
"code": "POST_001",
"message": "존재하지 않는 게시글입니다.",
"data": null
}
"""),
@ExampleObject(name = "존재하지 않는 댓글", value = """
{
"success": false,
"code": "COMMENT_001",
"message": "존재하지 않는 댓글입니다.",
"data": null
}
""")
}
)
),
@ApiResponse(
responseCode = "500",
description = "서버 내부 오류",
content = @Content(
mediaType = "application/json",
examples = @ExampleObject(value = """
{
"success": false,
"code": "COMMON_500",
"message": "서버 오류가 발생했습니다.",
"data": null
}
""")
)
)
})
ResponseEntity<RsData<Void>> deleteComment(
@PathVariable Long postId,
@PathVariable Long commentId,
@AuthenticationPrincipal CustomUserDetails user
);
}
6 changes: 6 additions & 0 deletions src/main/java/com/back/domain/board/entity/Comment.java
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Expand Up @@ -41,4 +41,10 @@ public Comment(Post post, User user, String content) {
this.user = user;
this.content = content;
}

// -------------------- 비즈니스 메서드 --------------------
// 댓글 업데이트
public void update(String content) {
this.content = content;
}
}
53 changes: 53 additions & 0 deletions src/main/java/com/back/domain/board/service/CommentService.java
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Expand Up @@ -45,4 +45,57 @@ public CommentResponse createComment(Long postId, CommentRequest request, Long u
commentRepository.save(comment);
return CommentResponse.from(comment);
}

/**
* 댓글 수정 서비스
* 1. Post 조회
* 2. Comment 조회
* 3. 작성자 검증
* 4. Comment 업데이트 (내용)
* 5. CommentResponse 반환
*/
public CommentResponse updateComment(Long postId, Long commentId, CommentRequest request, Long userId) {
// Post 조회
Post post = postRepository.findById(postId)
.orElseThrow(() -> new CustomException(ErrorCode.POST_NOT_FOUND));

// Comment 조회
Comment comment = commentRepository.findById(commentId)
.orElseThrow(() -> new CustomException(ErrorCode.COMMENT_NOT_FOUND));

// 작성자 검증
if (!comment.getUser().getId().equals(userId)) {
throw new CustomException(ErrorCode.COMMENT_NO_PERMISSION);
}

// Comment 업데이트
comment.update(request.content());

// 응답 반환
return CommentResponse.from(comment);
}

/**
* 댓글 삭제 서비스
* 1. Post 조회
* 2. Comment 조회
* 3. 작성자 검증
* 4. Comment 삭제
*/
public void deleteComment(Long postId, Long commentId, Long userId) {
// Post 조회
Post post = postRepository.findById(postId)
.orElseThrow(() -> new CustomException(ErrorCode.POST_NOT_FOUND));

// Comment 조회
Comment comment = commentRepository.findById(commentId)
.orElseThrow(() -> new CustomException(ErrorCode.COMMENT_NOT_FOUND));

// 작성자 검증
if (!comment.getUser().getId().equals(userId)) {
throw new CustomException(ErrorCode.COMMENT_NO_PERMISSION);
}

commentRepository.delete(comment);
}
}
2 changes: 2 additions & 0 deletions src/main/java/com/back/global/exception/ErrorCode.java
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Expand Up @@ -85,6 +85,8 @@ public enum ErrorCode {
POST_NOT_FOUND(HttpStatus.NOT_FOUND, "POST_001", "존재하지 않는 게시글입니다."),
POST_NO_PERMISSION(HttpStatus.FORBIDDEN, "POST_002", "게시글 작성자만 수정/삭제할 수 있습니다."),
CATEGORY_NOT_FOUND(HttpStatus.NOT_FOUND, "POST_003", "존재하지 않는 카테고리입니다."),
COMMENT_NOT_FOUND(HttpStatus.NOT_FOUND, "COMMENT_001", "존재하지 않는 댓글입니다."),
COMMENT_NO_PERMISSION(HttpStatus.FORBIDDEN, "COMMENT_002", "댓글 작성자만 수정/삭제할 수 있습니다."),

// ======================== 공통 에러 ========================
BAD_REQUEST(HttpStatus.BAD_REQUEST, "COMMON_400", "잘못된 요청입니다."),
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