[FEAT] #40 내가 작성한 게시글 조회 기능 구현

src/main/java/com/example/be/repository/PostRepository.java

@@ -1,6 +1,7 @@
 package com.example.be.repository;
 
 import com.example.be.domain.Post;
+import com.example.be.domain.User;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.EntityGraph;
@@ -17,4 +18,6 @@ public interface PostRepository extends JpaRepository<Post, Long> {
     Optional<Post> findById(Long id);
 
     Optional<Post> findByIdAndUserId(Long id, Long userId);
+
+    Page<Post> findPostsByUserOrderByCreateDateDesc(User user, Pageable pageable);
 }

src/main/java/com/example/be/service/PostServiceImpl.java

@@ -159,4 +159,33 @@ public CommonDTO.IsSuccessDTO deletePost(Long postId, HttpServletRequest request
 
         return CommonDTO.IsSuccessDTO.builder().isSuccess(true).build();
     }
+
+    public PostDTO.PageResponseDTO getMyPosts(int page, int size, HttpServletRequest request) {
+        User user= getUserFromRequest(request);
+
+        Pageable pageable = PageRequest.of(page, size);
+        Page<Post> postPage = postRepository.findPostsByUserOrderByCreateDateDesc(user, pageable);
+
+        List<PostDTO.postResponseDTO> postDtoList = postPage.getContent().stream()
+                .map(post -> PostDTO.postResponseDTO.builder()
+                        .id(post.getId())
+                        .title(post.getTitle())
+                        .content(post.getContent())
+                        .userName(post.getUser().getName())
+                        .createDate(post.getCreateDate().toLocalDate())
+                        .commentCount(post.getComments() != null ? post.getComments().size() : 0)
+                        .likeCount(postLikeService.getPostLikeCount(post))
+                        .build())
+                .collect(Collectors.toList());
+
+        return PostDTO.PageResponseDTO.builder()
+                .posts(postDtoList)
+                .currentPage(postPage.getNumber())
+                .totalPages(postPage.getTotalPages())
+                .totalElements(postPage.getTotalElements())
+                .first(postPage.isFirst())
+                .last(postPage.isLast())
+                .build();
+
+    }
 }

src/main/java/com/example/be/web/controller/PostController.java

@@ -66,4 +66,13 @@ public ApiResponse<CommonDTO.IsSuccessDTO> delete(
         return ApiResponse.onSuccess(postService.deletePost(postId, request));
     }
 
+    @GetMapping("/mypost")
+    @Operation(summary = "내가 작성한 게시글 조회 API", description = "내가 작성한 게시글들을 조회합니다.")
+    public ApiResponse<PostDTO.PageResponseDTO> getMyPosts(
+            @Parameter(description = "페이지 번호 (0부터 시작)") @RequestParam(defaultValue = "0") int page,
+            HttpServletRequest request) {
+        return ApiResponse.onSuccess(postService.getMyPosts(page, 4, request));
+    }
+
+
 }