#256 Feat: 댓글 페이징 구현

Codiary-UMC-6th · Nov 10, 2024 · c93c7c2 · c93c7c2
1 parent 6d9fd9c
commit c93c7c2
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Showing 4 changed files with 15 additions and 8 deletions.
diff --git a/src/main/java/com/codiary/backend/domain/comment/controller/CommentController.java b/src/main/java/com/codiary/backend/domain/comment/controller/CommentController.java
@@ -12,6 +12,8 @@
 import io.swagger.v3.oas.annotations.tags.Tag;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.web.PageableDefault;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -69,10 +71,11 @@ public ApiResponse<CommentResponseDTO.CommentDTO> updateComment(
     @GetMapping("/posts/{post_id}/comments")
     public ApiResponse<List<CommentResponseDTO.CommentDTO>> getComments(
             @PathVariable("post_id") Long postId,
-            @AuthenticationPrincipal CustomMemberDetails memberDetails
+            @AuthenticationPrincipal CustomMemberDetails memberDetails,
+            @PageableDefault(size = 10) Pageable pageable
     ) {
         Long memberId = memberDetails.getId();
-        List<Comment> comments = commentService.getComments(postId, memberId);
+        List<Comment> comments = commentService.getComments(postId, memberId, pageable);
         return ApiResponse.onSuccess(SuccessStatus.COMMENT_OK, CommentConverter.toCommentResponseListDto(comments));
     }
 }
diff --git a/src/main/java/com/codiary/backend/domain/comment/repository/CommentRepositoryCustom.java b/src/main/java/com/codiary/backend/domain/comment/repository/CommentRepositoryCustom.java
@@ -1,9 +1,11 @@
 package com.codiary.backend.domain.comment.repository;
 
 import com.codiary.backend.domain.comment.entity.Comment;
+import org.springframework.data.domain.Pageable;
+
 import java.util.List;
 
 public interface CommentRepositoryCustom {
 
-    List<Comment> findByPostWithMemberInfoOrderByCreatedAtAsc(Long postId);
+    List<Comment> findByPostWithMemberInfoOrderByCreatedAtAsc(Long postId, Pageable pageable);
 }
diff --git a/src/main/java/com/codiary/backend/domain/comment/repository/CommentRepositoryImpl.java b/src/main/java/com/codiary/backend/domain/comment/repository/CommentRepositoryImpl.java
@@ -8,21 +8,22 @@
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
 
 @RequiredArgsConstructor
 public class CommentRepositoryImpl implements CommentRepositoryCustom {
 
     private final JPAQueryFactory queryFactory;
 
     @Override
-    public List<Comment> findByPostWithMemberInfoOrderByCreatedAtAsc(Long postId) {
+    public List<Comment> findByPostWithMemberInfoOrderByCreatedAtAsc(Long postId, Pageable pageable) {
         List<Comment> comments = queryFactory
                 .selectFrom(comment)
                 .leftJoin(comment.member, member)
                 .leftJoin(comment.post, post)
                 .where(comment.post.postId.eq(postId))
-//                .offset(pageable.getOffset())
-//                .limit(pageable.getPageSize())
+                .offset(pageable.getOffset())
+                .limit(pageable.getPageSize())
                 .orderBy(comment.createdAt.asc())
                 .fetch();
 

diff --git a/src/main/java/com/codiary/backend/domain/comment/service/CommentService.java b/src/main/java/com/codiary/backend/domain/comment/service/CommentService.java
@@ -17,6 +17,7 @@
 import com.codiary.backend.global.apiPayload.exception.handler.PostHandler;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -95,7 +96,7 @@ public Comment updateComment(Long commentId, Long memberId, CommentRequestDTO.Co
     }
 
     @Transactional(readOnly = true)
-    public List<Comment> getComments(Long postId, Long memberId) {
+    public List<Comment> getComments(Long postId, Long memberId, Pageable pageable) {
         // validation: 사용자, post 유무 확인
         Member requester = memberRepository.findById(memberId)
                 .orElseThrow(() -> new MemberHandler(ErrorStatus.MEMBER_NOT_FOUND));
@@ -112,7 +113,7 @@ public List<Comment> getComments(Long postId, Long memberId) {
         }
 
         // business logic: 댓글 조회
-        List<Comment> comments = commentRepository.findByPostWithMemberInfoOrderByCreatedAtAsc(postId);
+        List<Comment> comments = commentRepository.findByPostWithMemberInfoOrderByCreatedAtAsc(postId, pageable);
 
         // response: comment list 반환
         return comments;