Refactor: api uri 수정 및 순환 참조 해결

src/main/java/com/webtoonchat/toonchat/domain/board/controller/BoardController.java

@@ -35,14 +35,14 @@ public class BoardController {
 	private final MemberService memberService;
 	@Operation(description = "특정 캐릭터 게시판 게시글 작성")
 	@PostMapping("/boards/{characterId}")
-	public ResponseEntity<Board> addBoard(@PathVariable Long characterId,
+	public ResponseEntity<BoardResponse> addBoard(@PathVariable Long characterId,
 		@RequestBody AddBoardRequest request,
 		@Login Claims claims) {
 		Long userId = claims.get("userId", Long.class);
 		Member member = memberService.findByMemberId(userId);
 		Board savedArticle = boardService.save(request, characterId, member.getName(), userId);
 		return ResponseEntity.status(HttpStatus.CREATED)
-				.body(savedArticle);
+				.body(new BoardResponse(savedArticle));
 	}
 
 	@Operation(description = "특정 캐릭터 게시판 모든 게시글 조회")
@@ -82,7 +82,7 @@ public ResponseEntity<Void> deleteBoard(@PathVariable long postId, @Login Claims
 
 	@Operation(description = "특정 캐릭터 게시판 특정 게시글 수정")
 	@PutMapping("/boards/{characterId}/{postId}")
-	public ResponseEntity<Board> updateBoard(
+	public ResponseEntity<BoardResponse> updateBoard(
 		@PathVariable long postId,
 		@RequestBody UpdateBoardRequest request,
 		@Login Claims claims
@@ -96,6 +96,6 @@ public ResponseEntity<Board> updateBoard(
 		Board updateArticle = boardService.update(postId, request);
 
 		return ResponseEntity.ok()
-				.body(updateArticle);
+				.body(new BoardResponse(updateArticle));
 	}
 }

src/main/java/com/webtoonchat/toonchat/domain/board/dto/BoardResponse.java

@@ -6,6 +6,7 @@
 
 import com.webtoonchat.toonchat.domain.board.entity.Board;
 import com.webtoonchat.toonchat.domain.comment.dto.CommentResponseDto;
+import com.webtoonchat.toonchat.domain.comment.entity.Comment;
 
 import lombok.Getter;
 
@@ -33,7 +34,10 @@ public BoardResponse(Board article) {
 		this.createdAt = article.getCreatedAt();
 		this.characterId = article.getCharacterId();
 		this.updatedAt = article.getUpdatedAt();
-		this.comments = article.getComments().stream().map(CommentResponseDto::new).collect(Collectors.toList());
+		List<Comment>  commentList = article.getComments();
+		if (commentList != null) {
+			this.comments = commentList.stream().map(CommentResponseDto::new).collect(Collectors.toList());
+		}
 		this.likeCount = article.getLikeCount();
 		this.commentCount = article.getCommentCount();
 	}

src/main/java/com/webtoonchat/toonchat/domain/comment/controller/CommentController.java

@@ -41,8 +41,8 @@ public ResponseEntity commentSave(
 	}
 
 	@GetMapping("/{postId}")
-	public ResponseEntity<List<CommentResponseDto>> getComments(@PathVariable Long articleId) {
-		List<CommentResponseDto> comments = commentService.getCommentsByArticleId(articleId)
+	public ResponseEntity<List<CommentResponseDto>> getComments(@PathVariable Long postId) {
+		List<CommentResponseDto> comments = commentService.getCommentsByArticleId(postId)
 				.stream()
 				.map(CommentResponseDto::new)
 				.toList();;