[3/19] 코드 리펙토링 및 Top3Tags 조회 기능 생성

src/main/java/com/beotkkot/qtudy/controller/post/PostApiController.java

@@ -22,72 +22,120 @@ public class PostApiController {
     private final PostsService postsService;
     private final AuthService authService;
 
-    @GetMapping("/posts")
-    public ResponseEntity<? super GetPostsAllResponseDto> getAllPost() {
-        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getAllPost();
+    @GetMapping("/posts/all")
+    public ResponseEntity<? super GetPostsAllResponseDto> getAllPost(@RequestParam("page")int page) {
+        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getAllPost(page);
         return response;
     }
 
     @PostMapping("/posts")
     public ResponseEntity<? super PostsResponseDto> save(@RequestHeader(value="Authorization") String token, @RequestBody PostsRequestDto requestDto) {
-        Long kakao_uid = authService.getKakaoUserInfo(token).getId();
+        Long kakao_uid;
+        try {
+            kakao_uid = authService.getKakaoUserInfo(token).getId();
+            if (kakao_uid == null)
+                return PostsResponseDto.noAuthentication();
+        } catch (Exception exception) {
+            log.info(exception.getMessage());
+            return PostsResponseDto.databaseError();
+        }
 
         ResponseEntity<? super PostsResponseDto> response = postsService.savePost(kakao_uid, requestDto);
         return response;
     }
 
-    @GetMapping("/posts/{postId}")
-    public ResponseEntity<? super GetPostsResponseDto> getPost(@PathVariable Long postId) {
+    @GetMapping("/posts")
+    public ResponseEntity<? super GetPostsResponseDto> getPost(@RequestParam("postId") Long postId) {
         ResponseEntity<? super GetPostsResponseDto> response = postsService.getPost(postId);
         return response;
     }
 
-    @PatchMapping("/posts/{postId}")
-    public ResponseEntity<? super PostsResponseDto> patchPost(@PathVariable Long postId, @RequestHeader(value="Authorization") String token, @RequestBody PostsRequestDto requestDto) {
-        Long kakao_uid = authService.getKakaoUserInfo(token).getId();
+    @PatchMapping("/posts")
+    public ResponseEntity<? super PostsResponseDto> patchPost(@RequestParam("postId") Long postId, @RequestHeader(value="Authorization") String token, @RequestBody PostsRequestDto requestDto) {
+        Long kakao_uid;
+        try {
+            kakao_uid = authService.getKakaoUserInfo(token).getId();
+            if (kakao_uid == null)
+                return PostsResponseDto.noAuthentication();
+        } catch (Exception exception) {
+            log.info(exception.getMessage());
+            return PostsResponseDto.databaseError();
+        }
 
         ResponseEntity<? super PostsResponseDto> response = postsService.patchPost(postId, kakao_uid, requestDto);
         return response;
     }
 
-    @DeleteMapping("/posts/{postId}")
-    public ResponseEntity<? super PostsResponseDto> deletePost(@PathVariable Long postId, @RequestHeader(value="Authorization") String token) {
-        Long kakao_uid = authService.getKakaoUserInfo(token).getId();
+    @DeleteMapping("/posts")
+    public ResponseEntity<? super PostsResponseDto> deletePost(@RequestParam("postId") Long postId, @RequestHeader(value="Authorization") String token) {
+        Long kakao_uid;
+        try {
+            kakao_uid = authService.getKakaoUserInfo(token).getId();
+            if (kakao_uid == null)
+                return PostsResponseDto.noAuthentication();
+        } catch (Exception exception) {
+            log.info(exception.getMessage());
+            return PostsResponseDto.databaseError();
+        }
         ResponseEntity<? super PostsResponseDto> response = postsService.deletePost(postId, kakao_uid);
         return response;
     }
 
     @GetMapping("/posts/my-post-list")
-    public ResponseEntity<? super GetPostsAllResponseDto> getMyPost(@RequestHeader(value="Authorization") String token) {
-        Long kakao_uid = authService.getKakaoUserInfo(token).getId();
-        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getMyPost(kakao_uid);
+    public ResponseEntity<? super GetPostsAllResponseDto> getMyPost(@RequestHeader(value="Authorization") String token, @RequestParam("page")int page) {
+        Long kakao_uid;
+        try {
+            kakao_uid = authService.getKakaoUserInfo(token).getId();
+            if (kakao_uid == null)
+                return PostsResponseDto.noAuthentication();
+        } catch (Exception exception) {
+            log.info(exception.getMessage());
+            return PostsResponseDto.databaseError();
+        }
+        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getMyPost(kakao_uid, page);
         return response;
     }
 
-    @GetMapping("/posts/search-list/{searchWord}")
-    public ResponseEntity<? super GetPostsAllResponseDto> getSearchPost(@PathVariable String searchWord) {
-        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getSearchPost(searchWord);
+    @GetMapping("/posts/search-list")
+    public ResponseEntity<? super GetPostsAllResponseDto> getSearchPost(@RequestParam("searchWord") String searchWord, @RequestParam("page")int page) {
+        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getSearchPost(searchWord, page);
         return response;
     }
 
     @GetMapping("/posts/category-list")
-    public ResponseEntity<? super GetPostsAllResponseDto> searchPostsByCategory(@RequestParam("category") List<Long> categories) {
-        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getCategorySearchPost(categories);
+    public ResponseEntity<? super GetPostsAllResponseDto> searchPostsByCategory(@RequestParam("categoryId") List<Long> categories, @RequestParam("page")int page) {
+        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getCategorySearchPost(categories, page);
         return response;
     }
 
     // 스크랩
-    @PutMapping("/posts/{postId}/scrap")
-    public ResponseEntity<? super PutScrapResponseDto> putScrap(@PathVariable("postId") Long postId, @RequestHeader(value="Authorization") String token) {
-        Long kakao_uid = authService.getKakaoUserInfo(token).getId();
+    @PutMapping("/posts/scrap")
+    public ResponseEntity<? super PutScrapResponseDto> putScrap(@RequestParam("postId") Long postId, @RequestHeader(value="Authorization") String token) {
+        Long kakao_uid;
+        try {
+            kakao_uid = authService.getKakaoUserInfo(token).getId();
+            if (kakao_uid == null)
+                return PostsResponseDto.noAuthentication();
+        } catch (Exception exception) {
+            log.info(exception.getMessage());
+            return PostsResponseDto.databaseError();
+        }
         ResponseEntity<? super PutScrapResponseDto> response = postsService.putScrap(postId, kakao_uid);
         return response;
     }
 
     @GetMapping("/posts/scrap-list")
-    public ResponseEntity<? super GetPostsAllResponseDto> getAllScrapPost(@RequestHeader(value="Authorization") String token) {
-        Long kakao_uid = authService.getKakaoUserInfo(token).getId();
-        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getAllScrapPost(kakao_uid);
+    public ResponseEntity<? super GetPostsAllResponseDto> getAllScrapPost(@RequestHeader(value="Authorization") String token, @RequestParam("page")int page) {
+        Long kakao_uid;
+        try {
+            kakao_uid = authService.getKakaoUserInfo(token).getId();
+            if (kakao_uid == null)
+                return PostsResponseDto.noAuthentication();
+        } catch (Exception exception) {
+            log.info(exception.getMessage());
+            return PostsResponseDto.databaseError();
+        }
+        ResponseEntity<? super GetPostsAllResponseDto> response = postsService.getAllScrapPost(kakao_uid, page);
         return response;
     }
 }

src/main/java/com/beotkkot/qtudy/controller/post/SummarizationController.java

@@ -7,6 +7,7 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 @Slf4j
@@ -19,8 +20,8 @@ public class SummarizationController {
     /**
      * 사용자가 작성한 글에 대해 AI가 요약한 내용을 반환한다.
      */
-    @GetMapping("summary/{postId}")
-    public ResponseEntity<? super GetSummaryResponseDto> summary(@PathVariable("postId") Long postId) {
+    @GetMapping("/summary")
+    public ResponseEntity<? super GetSummaryResponseDto> summary(@RequestParam("postId") Long postId) {
         // 포스트 아이디로부터 포스트 얻어오기
         ResponseEntity<? super GetSummaryResponseDto> response = postsService.getSummary(postId);
         return response;

src/main/java/com/beotkkot/qtudy/controller/quiz/QuizController.java

@@ -30,22 +30,24 @@ public ResponseEntity<?> generateQuiz(@RequestBody GenerateQuizRequestDto dto) {
     }
 
     // 태그별 퀴즈 출력
-    @GetMapping("/quiz/tag-quiz/{tagName}")
-    public ResponseEntity<? super GetPostQuizResponseDto> getTagQuiz(@PathVariable String tagName) {
+    @GetMapping("/quiz/tag-quiz")
+    public ResponseEntity<? super GetPostQuizResponseDto> getTagQuiz(@RequestParam String tagName) {
         ResponseEntity<? super GetPostQuizResponseDto> response = quizService.getTagQuiz(tagName);
         return response;
     }
 
     // 게시글 별 퀴즈 출력
-    @GetMapping("/quiz/post-quiz/{postId}")
-    public ResponseEntity<? super GetPostQuizResponseDto> getPostQuiz(@PathVariable Long postId) {
+    @GetMapping("/quiz/post-quiz")
+    public ResponseEntity<? super GetPostQuizResponseDto> getPostQuiz(@RequestParam Long postId) {
         ResponseEntity<? super GetPostQuizResponseDto> response = quizService.getPostQuiz(postId);
         return response;
     }
 
+
     // 정답 채점
     @PostMapping("/quiz/grade")
-    public ResponseEntity<? super QuizGradeResponseDto> gradeQuiz(@RequestBody GradeQuizRequestDto dto) {
+    public ResponseEntity<? super QuizGradeResponseDto> gradeQuiz(@RequestHeader(value="Authorization") String token, @RequestBody GradeQuizRequestDto dto) {
+        // uuid 받아서 사용자 조회 필요 -> 오답노트 엔티티에 저장해야함
         ResponseEntity<? super QuizGradeResponseDto> response = quizService.gradeQuiz(dto);
         return response;
     }

src/main/java/com/beotkkot/qtudy/controller/tag/TagApiController.java

@@ -0,0 +1,20 @@
+package com.beotkkot.qtudy.controller.tag;
+
+import com.beotkkot.qtudy.dto.response.tags.GetTop3TagsDto;
+import com.beotkkot.qtudy.service.tag.TagService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RequiredArgsConstructor
+@RestController
+public class TagApiController {
+    private final TagService tagService;
+
+    @GetMapping("/tag/top3")
+    public ResponseEntity<? super GetTop3TagsDto> getTop3Tags() {
+        ResponseEntity<? super GetTop3TagsDto> response = tagService.getTop3Tags();
+        return response;
+    }
+}

src/main/java/com/beotkkot/qtudy/domain/posts/Posts.java

@@ -20,7 +20,7 @@ public class Posts {
     private Long postId;
 
     @Column(nullable = false)
-    private Long userUid;
+    private Long kakaoId;
 
     @Column(nullable = false)
     private String title;
@@ -34,7 +34,7 @@ public class Posts {
 
     // AI 요약본
     @Column(columnDefinition = "TEXT")
-    private String aiScript;
+    private String summary;
 
     private int commentCount;
 

src/main/java/com/beotkkot/qtudy/dto/object/TagListItem.java

@@ -0,0 +1,24 @@
+package com.beotkkot.qtudy.dto.object;
+
+import com.beotkkot.qtudy.domain.tags.Tags;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Builder
+@Getter
+@AllArgsConstructor
+@NoArgsConstructor
+public class TagListItem {
+    private String name;
+    private int count;
+
+    public static TagListItem of(Tags tag) {
+
+        return TagListItem.builder()
+                .name(tag.getName())
+                .count(tag.getCount())
+                .build();
+    }
+}

src/main/java/com/beotkkot/qtudy/dto/request/posts/PostsRequestDto.java

@@ -25,10 +25,10 @@ public Posts toEntity(Long uid) {
         String tagString = String.join(",", tag);
 
         return Posts.builder()
-                .userUid(uid)
+                .kakaoId(uid)
                 .title(title)
                 .content(content)
-                .aiScript(summary)
+                .summary(summary)
                 .tag(tagString)
                 .createdAt(writeDatetime)
                 .commentCount(0)

src/main/java/com/beotkkot/qtudy/dto/response/posts/GetPostsAllResponseDto.java

@@ -13,15 +13,17 @@
 
 @Getter
 public class GetPostsAllResponseDto extends ResponseDto {
+    private int page;
     private List<PostListItem> postList;
 
-    public GetPostsAllResponseDto(List<PostListItem> PostListItem) {
+    public GetPostsAllResponseDto(List<PostListItem> PostListItem, int page) {
         super(ResponseCode.SUCCESS, ResponseMessage.SUCCESS);
+        this.page = page;
         this.postList = PostListItem;
     }
 
-    public static ResponseEntity<GetPostsAllResponseDto> success(List<PostListItem> PostListItem) {
-        GetPostsAllResponseDto result = new GetPostsAllResponseDto(PostListItem);
+    public static ResponseEntity<GetPostsAllResponseDto> success(List<PostListItem> PostListItem, int page) {
+        GetPostsAllResponseDto result = new GetPostsAllResponseDto(PostListItem, page);
         return ResponseEntity.status(HttpStatus.OK).body(result);
     }
 

src/main/java/com/beotkkot/qtudy/dto/response/tags/GetTop3TagsDto.java

@@ -0,0 +1,31 @@
+package com.beotkkot.qtudy.dto.response.tags;
+
+import com.beotkkot.qtudy.common.ResponseCode;
+import com.beotkkot.qtudy.common.ResponseMessage;
+import com.beotkkot.qtudy.dto.object.TagListItem;
+import com.beotkkot.qtudy.dto.response.ResponseDto;
+import lombok.Getter;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+
+import java.util.List;
+
+@Getter
+public class GetTop3TagsDto extends ResponseDto {
+    private List<TagListItem> top3List;
+
+    public GetTop3TagsDto(List<TagListItem> TagListItem) {
+        super(ResponseCode.SUCCESS, ResponseMessage.SUCCESS);
+        this.top3List = TagListItem;
+    }
+
+    public static ResponseEntity<GetTop3TagsDto> success(List<TagListItem> top3List) {
+        GetTop3TagsDto result = new GetTop3TagsDto(top3List);
+        return ResponseEntity.status(HttpStatus.OK).body(result);
+    }
+
+    public static ResponseEntity<ResponseDto> notExistedPost(){
+        ResponseDto result = new ResponseDto(ResponseCode.NOT_EXISTED_POST, ResponseMessage.NOT_EXISTED_POST);
+        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(result);
+    }
+}

src/main/java/com/beotkkot/qtudy/repository/posts/PostsRepository.java

@@ -1,6 +1,7 @@
 package com.beotkkot.qtudy.repository.posts;
 
 import com.beotkkot.qtudy.domain.posts.Posts;
+import org.springframework.data.domain.PageRequest;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
@@ -10,12 +11,12 @@
 
 @Repository
 public interface PostsRepository extends JpaRepository<Posts, Long> {
-    List<Posts> findAllByUserUid(Long uuid);
+    List<Posts> findAllByKakaoId(Long kakaoId, PageRequest pageRequest);
 
     @Query("SELECT p FROM Posts p WHERE p.title LIKE %:searchWord% OR p.content LIKE %:searchWord% OR p.tag LIKE %:searchWord%")
-    List<Posts> findBySearchWord(String searchWord);
+    List<Posts> findBySearchWord(String searchWord, PageRequest pageRequest);
 
-    List<Posts> findByCategoryId(Long categoryId);
+    List<Posts> findByCategoryId(Long categoryId, PageRequest pageRequest);
 
     Posts findByPostId(Long postId);
 

src/main/java/com/beotkkot/qtudy/repository/scrap/ScrapRepository.java

@@ -2,6 +2,7 @@
 
 import com.beotkkot.qtudy.domain.scrap.Scrap;
 import com.beotkkot.qtudy.domain.primaryKey.ScrapPk;
+import org.springframework.data.domain.PageRequest;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
@@ -15,7 +16,7 @@ public interface ScrapRepository extends JpaRepository<Scrap, ScrapPk> {
     Scrap findByPostIdAndUserId(Long postId, Long uid);
 
     @Query("SELECT s.postId FROM Scrap s WHERE s.userId = :userId")
-    List<Long> findPostIdsByUserId(@Param("userId") Long userId);
+    List<Long> findPostIdsByUserId(@Param("userId") Long userId, PageRequest pageRequest);
 
     @Transactional
     void deleteByPostId(Long postId);