Feat: 게시글 리스트 조회 기능을 구현한다. (#62)

* #61 - feat: 게시글 리스트 조회 api 구현 * #61 - test: 게시글 리스트 조회 api 테스트
BookitList · Feb 4, 2024 · 8a5b1ad · 8a5b1ad
1 parent a70eba9
commit 8a5b1ad
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Showing 7 changed files with 96 additions and 7 deletions.
diff --git a/src/main/java/cotato/bookitlist/book/dto/response/BookListResponse.java b/src/main/java/cotato/bookitlist/book/dto/response/BookListResponse.java
@@ -8,18 +8,16 @@
 
 public record BookListResponse(
         int totalResults,
+        int totalPages,
         int startIndex,
         int itemsPerPage,
         List<BookDto> bookList
 ) {
 
-    public static BookListResponse of(int totalResults, int startIndex, int itemsPerPage, List<BookDto> bookDtoList) {
-        return new BookListResponse(totalResults, startIndex, itemsPerPage, bookDtoList);
-    }
-
     public static BookListResponse from(Page<Book> bookPage) {
         return new BookListResponse(
                 (int) bookPage.getTotalElements(),
+                bookPage.getTotalPages(),
                 bookPage.getNumber(),
                 bookPage.getNumberOfElements(),
                 bookPage

diff --git a/src/main/java/cotato/bookitlist/post/controller/PostController.java b/src/main/java/cotato/bookitlist/post/controller/PostController.java
@@ -1,12 +1,17 @@
 package cotato.bookitlist.post.controller;
 
+import cotato.bookitlist.book.controller.IsValidIsbn;
 import cotato.bookitlist.config.security.jwt.AuthDetails;
 import cotato.bookitlist.post.dto.requeset.PostRegisterRequest;
 import cotato.bookitlist.post.dto.requeset.PostUpdateRequest;
+import cotato.bookitlist.post.dto.response.PostListResponse;
 import cotato.bookitlist.post.dto.response.PostResponse;
 import cotato.bookitlist.post.service.PostService;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.data.web.PageableDefault;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
@@ -55,4 +60,18 @@ public ResponseEntity<PostResponse> getPost(
         return ResponseEntity.ok(PostResponse.from(postService.getPost(postId)));
     }
 
+    @GetMapping("/all")
+    public ResponseEntity<PostListResponse> getAllPost(
+            @PageableDefault(sort = "createdAt", direction = Sort.Direction.DESC) Pageable pageable
+    ) {
+        return ResponseEntity.ok(postService.getAllPost(pageable));
+    }
+
+    @GetMapping
+    public ResponseEntity<PostListResponse> searchPost(
+            @IsValidIsbn @RequestParam String isbn13,
+            @PageableDefault(sort = "createdAt", direction = Sort.Direction.DESC) Pageable pageable
+    ) {
+        return ResponseEntity.ok(postService.searchPost(isbn13, pageable));
+    }
 }
diff --git a/src/main/java/cotato/bookitlist/post/dto/response/PostListResponse.java b/src/main/java/cotato/bookitlist/post/dto/response/PostListResponse.java
@@ -0,0 +1,26 @@
+package cotato.bookitlist.post.dto.response;
+
+import cotato.bookitlist.post.domain.Post;
+import cotato.bookitlist.post.dto.PostDto;
+import org.springframework.data.domain.Page;
+
+import java.util.List;
+
+public record PostListResponse(
+        int totalResults,
+        int totalPages,
+        int startIndex,
+        int itemsPerPage,
+        List<PostDto> postList
+) {
+
+    public static PostListResponse from(Page<Post> page) {
+        return new PostListResponse(
+                (int) page.getTotalElements(),
+                page.getTotalPages(),
+                page.getNumber(),
+                page.getSize(),
+                page.stream().map(PostDto::from).toList()
+        );
+    }
+}
diff --git a/src/main/java/cotato/bookitlist/post/repository/PostRepository.java b/src/main/java/cotato/bookitlist/post/repository/PostRepository.java
@@ -1,7 +1,10 @@
 package cotato.bookitlist.post.repository;
 
 import cotato.bookitlist.post.domain.Post;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface PostRepository extends JpaRepository<Post, Long> {
+    Page<Post> findByBook_Isbn13(String isbn13, Pageable pageable);
 }
diff --git a/src/main/java/cotato/bookitlist/post/service/PostService.java b/src/main/java/cotato/bookitlist/post/service/PostService.java
@@ -6,11 +6,13 @@
 import cotato.bookitlist.member.repository.MemberRepository;
 import cotato.bookitlist.post.domain.Post;
 import cotato.bookitlist.post.dto.PostDto;
+import cotato.bookitlist.post.dto.response.PostListResponse;
 import cotato.bookitlist.post.dto.requeset.PostRegisterRequest;
 import cotato.bookitlist.post.dto.requeset.PostUpdateRequest;
 import cotato.bookitlist.post.repository.PostRepository;
 import jakarta.persistence.EntityNotFoundException;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -43,8 +45,19 @@ public void updatePost(Long postId, PostUpdateRequest request, Long memberId) {
         post.updatePost(member, request.title(), request.content());
     }
 
+    @Transactional(readOnly = true)
     public PostDto getPost(Long postId) {
         return PostDto.from(postRepository.findById(postId)
                 .orElseThrow(() -> new EntityNotFoundException("게시글을 찾을 수 없습니다.")));
     }
+
+    @Transactional(readOnly = true)
+    public PostListResponse getAllPost(Pageable pageable) {
+        return PostListResponse.from(postRepository.findAll(pageable));
+    }
+
+    @Transactional(readOnly = true)
+    public PostListResponse searchPost(String isbn13, Pageable pageable) {
+        return PostListResponse.from(postRepository.findByBook_Isbn13(isbn13, pageable));
+    }
 }
diff --git a/src/test/java/cotato/bookitlist/post/controller/PostControllerTest.java b/src/test/java/cotato/bookitlist/post/controller/PostControllerTest.java
@@ -20,8 +20,7 @@
 
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.header;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
 
 @Transactional
@@ -179,5 +178,32 @@ void givenNonExistedPostId_whenGettingPost_thenErrorResponse() throws Exception
                 .andExpect(status().isNotFound())
         ;
     }
+
+    @Test
+    @DisplayName("isbn13을 이용해 게시글을 조회한다.")
+    void givenIsbn13_whenSearchingPost_thenReturnPostListResponse() throws Exception {
+        //given
+        String isbn13 = "9788931514810";
+
+        //when & then
+        mockMvc.perform(get("/posts")
+                        .param("isbn13", isbn13)
+                        .contentType(MediaType.APPLICATION_JSON))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.totalResults").value(4))
+        ;
+    }
+
+    @Test
+    @DisplayName("전체 게시글을 조회한다.")
+    void givenNothing_whenSearchingPost_thenReturnPostListResponse() throws Exception {
+        //given
+        //when & then
+        mockMvc.perform(get("/posts/all")
+                        .contentType(MediaType.APPLICATION_JSON))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.totalResults").value(6))
+        ;
+    }
 }
 
diff --git a/src/test/resources/data.sql b/src/test/resources/data.sql
@@ -24,7 +24,11 @@ VALUES ('[email protected]', 'test', 'test', 'KAKAO', 0, false, CURRENT_TIMESTAMP,
 
 INSERT INTO post (member_id, book_id, title, content, like_count, view_count, deleted)
 VALUES (1, 1, 'postTitle', 'postContent', 0, 0, false),
-       (2, 1, 'postTitle', 'postContent', 0, 0, false);
+       (2, 1, 'postTitle1', 'Content', 0, 0, false),
+       (2, 1, 'postTitle2', '제목', 0, 0, false),
+       (2, 1, 'postTitle3', 'post', 0, 0, false),
+       (2, 2, 'posTitle', 'ptent', 0, 0, false),
+       (2, 2, 'positle', 'postent', 0, 0, false);
 
 INSERT INTO review (member_id, book_id, content, like_count, view_count, deleted)
 VALUES (1, 1, 'reviewContent', 0, 0, false),