refactor: 서비스, 매퍼 수정

Author: ense333

src/main/java/com/threestar/trainus/domain/comment/mapper/CommentMapper.java

@@ -3,7 +3,6 @@
 import java.util.List;
 
 import com.threestar.trainus.domain.comment.dto.CommentPageResponseDto;
-import com.threestar.trainus.domain.comment.dto.CommentPageWrapperDto;
 import com.threestar.trainus.domain.comment.dto.CommentResponseDto;
 import com.threestar.trainus.domain.comment.entity.Comment;
 
@@ -29,10 +28,4 @@ public static CommentPageResponseDto toCommentPageResponseDto(List<CommentRespon
 			.count(count)
 			.build();
 	}
-
-	public static CommentPageWrapperDto toCommentPageWrapperDto(CommentPageResponseDto commentPageResponseDto) {
-		return CommentPageWrapperDto.builder()
-			.comments(commentPageResponseDto.getComments())
-			.build();
-	}
 }

src/main/java/com/threestar/trainus/domain/comment/service/CommentService.java

@@ -37,7 +37,7 @@ public CommentResponseDto createComment(CommentCreateRequestDto request, Long le
 			.lesson(findLesson)
 			.user(findUser)
 			.deleted(false)
-			.content(request.getContent())
+			.content(request.content())
 			.build();
 
 		commentRepository.saveAndFlush(newComment); //즉시 저장을 통해 commentId
@@ -51,7 +51,7 @@ public CommentResponseDto createComment(CommentCreateRequestDto request, Long le
 	}
 
 	private Comment findParent(CommentCreateRequestDto request) {
-		Long parentCommentId = request.getParentCommentId();
+		Long parentCommentId = request.parentCommentId();
 		if (parentCommentId == null) {
 			return null;
 		}