[fix] 삭제된 댓글 필터링, 조회수 증가 로직 버그 수정 (#244)

Author: seok6555

src/main/java/com/back/domain/post/comment/repository/CommentRepository.java

@@ -1,15 +1,17 @@
 package com.back.domain.post.comment.repository;
 
 import com.back.domain.post.comment.entity.Comment;
+import com.back.domain.post.comment.enums.CommentStatus;
+import java.util.List;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
-import java.util.List;
-
 @Repository
 public interface CommentRepository extends JpaRepository<Comment, Long> {
 
-  List<Comment> findTop10ByPostIdOrderByIdDesc(Long postId);
+  // 첫 페이지 (lastId == null)
+  List<Comment> findTop10ByPostIdAndStatusNotOrderByIdDesc(Long postId, CommentStatus status);
 
-  List<Comment> findTop10ByPostIdAndIdLessThanOrderByIdDesc(Long postId, Long lastId);
+  // 무한스크롤 (lastId != null)
+  List<Comment> findTop10ByPostIdAndIdLessThanAndStatusNotOrderByIdDesc(Long postId, Long id, CommentStatus status);
 }

src/main/java/com/back/domain/post/comment/service/CommentService.java

@@ -68,12 +68,12 @@ public CommentResponseDto createComment(Long postId, CommentCreateRequestDto req
   @Transactional(readOnly = true)
   public List<CommentResponseDto> getComments(Long postId, Long lastId) {
     if (lastId == null) {
-      return commentRepository.findTop10ByPostIdOrderByIdDesc(postId)
+      return commentRepository.findTop10ByPostIdAndStatusNotOrderByIdDesc(postId, CommentStatus.DELETED)
           .stream()
           .map(CommentResponseDto::new)
           .toList();
     } else {
-      return commentRepository.findTop10ByPostIdAndIdLessThanOrderByIdDesc(postId, lastId)
+      return commentRepository.findTop10ByPostIdAndIdLessThanAndStatusNotOrderByIdDesc(postId, lastId, CommentStatus.DELETED)
           .stream()
           .map(CommentResponseDto::new)
           .toList();

src/main/java/com/back/domain/post/post/service/PostService.java

@@ -116,7 +116,7 @@ public List<PostResponseDto> getPosts(PostSortScrollRequestDto reqBody) {
   }
 
   // 게시글 단건 조회 로직
-  @Transactional(readOnly = true)
+  @Transactional
   public PostResponseDto getPost(Long postId) {
     Post post = postRepository.findById(postId)
         .orElseThrow(() -> new NoSuchElementException("해당 게시글을 찾을 수 없습니다. ID: " + postId));