feat: 후기 댓글 삭제 기능 추가

src/main/java/likelion/MZConnent/api/review/CommentController.java

@@ -27,4 +27,10 @@ public ResponseEntity<SaveCommentResponse> saveComment(@RequestBody Map<String,
         return ResponseEntity.ok(comment);
     }
 
+    @DeleteMapping("/api/reviews/{reviewId}/comments/{commentId}")
+    public ResponseEntity<Map<String, String>> deleteComment(@PathVariable("commentId") Long commentId, @AuthenticationPrincipal UserPrinciple userPrinciple) {
+        commentService.deleteComment(userPrinciple.getEmail(), commentId);
+        return ResponseEntity.ok(Map.of("message", "댓글 삭제 성공"));
+    }
+
 }

src/main/java/likelion/MZConnent/service/review/CommentService.java

@@ -15,6 +15,7 @@
 import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDateTime;
+import java.util.Optional;
 
 @Service
 @Slf4j
@@ -24,6 +25,8 @@ public class CommentService {
     private final ReviewCommentRepository reviewCommentRepository;
     private final ReviewRepository reviewRepository;
 
+
+    // 후기 댓글 작성
     @Transactional
     public SaveCommentResponse saveComment(String email, Long reviewId, String content) {
         Member member = findMemberByEmail(email);
@@ -41,17 +44,39 @@ public SaveCommentResponse saveComment(String email, Long reviewId, String conte
         return SaveCommentResponse.builder().comment(comment).build();
     }
 
+    // 후기 댓글 삭제
+    @Transactional
+    public void deleteComment(String email, Long commentId) {
+        ReviewComment comment = findCommentById(commentId);
+        Member member = findMemberByEmail(email);
+        Review review = findReviewById(comment.getReview().getReviewId());
+
+        member.getReviewComments().remove(comment);
+        review.getReviewComments().remove(comment);
+        reviewCommentRepository.delete(comment);
+    }
+
+    private ReviewComment findCommentById(Long commentId) {
+        return reviewCommentRepository.findById(commentId).orElseThrow(() -> {
+            log.info("해당 후기 댓글이 존재하지 않음.");
+            return new IllegalArgumentException("해당 후기 댓글이 존재하지 않습니다.");
+        });
+    }
+
     private Review findReviewById(Long reviewId ) {
         return reviewRepository.findById(reviewId).orElseThrow(() -> {
             log.info("후기가 존재하지 않음.");
             return new IllegalArgumentException("후기가 존재하지 않습니다.");
         });
     }
 
+
     private Member findMemberByEmail(String email) {
         return memberRepository.findByEmail(email).orElseThrow(() -> {
             log.info("회원이 존재하지 않음.");
             return new IllegalArgumentException("회원이 존재하지 않습니다.");
         });
     }
+
+
 }