PostSingleResponseDto 작성

Author: luckhee

back/src/main/java/com/back/domain/post/controller/InformationPostController.java

@@ -4,6 +4,7 @@
 import com.back.domain.post.dto.PostAllResponse;
 import com.back.domain.post.dto.PostCreateRequest;
 import com.back.domain.post.dto.PostCreateResponse;
+import com.back.domain.post.dto.PostSingleResponse;
 import com.back.domain.post.entity.Post;
 import com.back.domain.post.rq.ApiResponse;
 import com.back.domain.post.service.PostService;
@@ -38,8 +39,21 @@ public ResponseEntity<ApiResponse<PostCreateResponse>> createPost(
     @Operation(summary = "게시글 다건 조회")
     @GetMapping
     public ResponseEntity<ApiResponse<List<PostAllResponse>>> getAllPost() {
-        List<PostAllResponse> posts = postService.getAllPosts();
-        ApiResponse<List<PostAllResponse>> response = new ApiResponse<>("게시글 조회 성공", posts);
+        List<PostAllResponse> postAllResponse = postService.getAllPostResponse();
+
+
+        ApiResponse<List<PostAllResponse>> response = new ApiResponse<>("게시글 다건 조회 성공", postAllResponse);
+        return ResponseEntity.ok(response);
+    }
+
+    @Operation(summary = "게시글 단건 조회")
+    @GetMapping("/{post_id}")
+    public ResponseEntity<ApiResponse<PostSingleResponse>> getSinglePost(@PathVariable long post_id) {
+        Post post = postService.findById(post_id);
+
+        PostSingleResponse postSingleResponse = new PostSingleResponse(post);
+
+        ApiResponse<PostSingleResponse> response = new ApiResponse<>("게시글 단건 조회 성공", postSingleResponse);
         return ResponseEntity.ok(response);
     }
 }

back/src/main/java/com/back/domain/post/dto/PostSingleResponse.java

@@ -0,0 +1,25 @@
+package com.back.domain.post.dto;
+
+import com.back.domain.post.entity.Post;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Data
+public class PostSingleResponse {
+    private Long id;
+    private String title;
+    private String authorName;
+    private LocalDateTime createdAt;
+    private int viewCount;
+    private int like;
+
+    public PostSingleResponse(Post post) {
+        this.id = post.getId();
+        this.title = post.getTitle();
+        this.authorName = post.getAuthorName();
+        this.createdAt = post.getCreateDate();
+        this.viewCount = post.getViewCount();
+        this.like = post.getLiked();
+    }
+}

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

@@ -9,20 +9,17 @@
 import org.springframework.stereotype.Service;
 
 import java.util.List;
-import java.util.stream.Collectors;
 
 @Service
 @RequiredArgsConstructor
 public class PostService {
 
     private final PostRepository postRepository;
 
-    public List<PostAllResponse> getAllPosts() {
+    public List<Post> getAllPosts() {
         List<Post> posts = postRepository.findAll();
 
-        return posts.stream()
-                .map(PostAllResponse::new)
-                .collect(Collectors.toList());
+        return posts;
     }
 
 
@@ -55,7 +52,13 @@ public Post createPost(PostCreateRequest postCreateRequest, String authorName) {
         return post;
     }
 
-    public Post findByid(Long id) {
-        return postRepository.findById(id).get();
+    public Post findById(Long id) {
+        return postRepository.findById(id).orElseThrow(() -> new ServiceException("400", "해당 Id의 게시글이 없습니다."));
+    }
+
+    public List<PostAllResponse> getAllPostResponse() {
+        return postRepository.findAll().stream()
+                .map(PostAllResponse::new)
+                .toList();
     }
 }

back/src/test/java/com/back/domain/post/controller/InformationPostControllerTest.java

@@ -23,6 +23,7 @@
 
 import java.util.List;
 
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
 import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
@@ -37,6 +38,9 @@ public class InformationPostControllerTest {
     @Autowired
     private PostService postService;
 
+//    @MockBean
+//    private PostService postMockService;
+
     @Autowired
     private MemberService memberService;
 
@@ -84,7 +88,7 @@ void t1() throws Exception {
                 .andDo(print());
 
         // 실제 생성된 게시글 조회 (실제 DB에서)
-        Post createdPost = postService.findByid(1L);
+        Post createdPost = postService.findById(1L);
 
         resultActions
                 .andExpect(handler().handlerType(InformationPostController.class))
@@ -121,4 +125,55 @@ void t2() throws Exception {
                 .andExpect(jsonPath("$.resultCode").value("400-2"))
                 .andExpect(jsonPath("$.msg").value("유효하지 않은 PostType입니다."));
     }
+
+    @Test
+    @DisplayName("게시글 다건조회")
+    void t3() throws Exception {
+        ResultActions resultActions = mvc
+                .perform(
+                        get("/post/infor")
+                )
+                .andDo(print());
+
+
+        resultActions
+                .andExpect(handler().handlerType(InformationPostController.class))
+                .andExpect(handler().methodName("getAllPost"))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.data").isArray())
+                .andExpect(jsonPath("$.message").value("게시글 다건 조회 성공"))
+                .andExpect(jsonPath("$.data").exists());
+    }
+
+//    @Test
+//    @DisplayName("게시글 단건조회")
+//    void t4() throws Exception {
+//        Post mockPost = new Post();
+//
+//        // 리플렉션으로 ID 설정
+//        Field idField = BaseEntity.class.getDeclaredField("id");
+//        idField.setAccessible(true);
+//        idField.set(mockPost, 1L);
+//
+//        mockPost.setTitle("테스트 제목");
+//        mockPost.setContent("테스트 내용");
+//        mockPost.setAuthorName("테스트유저");
+//        mockPost.setPostType(Post.PostType.INFORMATIONPOST);
+//
+//        when(postService.findById(1L)).thenReturn(mockPost);
+//
+//        ResultActions resultActions = mvc
+//                .perform(
+//                        get("/post/infor/{post_id}", 1L)
+//                )
+//                .andDo(print());
+//
+//
+//        resultActions
+//                .andExpect(handler().handlerType(InformationPostController.class))
+//                .andExpect(handler().methodName("getSinglePost"))
+//                .andExpect(status().isOk())
+//                .andExpect(jsonPath("$.message").value("게시글 단건 조회 성공"))
+//                .andExpect(jsonPath("$.data").exists());
+//    }
 }