[FEAT] 회원 탈퇴 시 유저 등록 작품 수 조회 기능 구현

src/main/java/org/websoso/WSSServer/controller/UserController.java

@@ -22,6 +22,8 @@
 import org.websoso.WSSServer.dto.user.MyProfileResponse;
 import org.websoso.WSSServer.dto.user.NicknameValidation;
 import org.websoso.WSSServer.dto.user.ProfileStatusResponse;
+import org.websoso.WSSServer.dto.user.UserNovelCountGetResponse;
+import org.websoso.WSSServer.service.UserNovelService;
 import org.websoso.WSSServer.service.UserService;
 import org.websoso.WSSServer.validation.NicknameConstraint;
 
@@ -32,6 +34,7 @@
 public class UserController {
 
  private final UserService userService;
+ private final UserNovelService userNovelService;
 
  @GetMapping("/nickname/check")
  public ResponseEntity<NicknameValidation> checkNicknameAvailability(
@@ -83,4 +86,12 @@ public ResponseEntity<MyProfileResponse> getMyProfileInfo(Principal principal) {
  .status(OK)
  .body(userService.getMyProfileInfo(user));
  }
+
+ @GetMapping("/user-novel-stats")
+ public ResponseEntity<UserNovelCountGetResponse> getUserNovelStatistics(Principal principal) {
+ User user = userService.getUserOrException(Long.valueOf(principal.getName()));
+ return ResponseEntity
+ .status(OK)
+ .body(userNovelService.getUserNovelStatistics(user));
+ }
 }

src/main/java/org/websoso/WSSServer/dto/user/UserNovelCountGetResponse.java

@@ -0,0 +1,9 @@
+package org.websoso.WSSServer.dto.user;
+
+
+public record UserNovelCountGetResponse(
+ Integer interestNovelCount,
+ Integer watchingNovelCount,
+ Integer watchedNovelCount,
+ Integer quitNovelCount) {
+}

src/main/java/org/websoso/WSSServer/repository/UserNovelCustomRepository.java

@@ -0,0 +1,9 @@
+package org.websoso.WSSServer.repository;
+
+import org.websoso.WSSServer.domain.User;
+import org.websoso.WSSServer.dto.user.UserNovelCountGetResponse;
+
+public interface UserNovelCustomRepository {
+
+ UserNovelCountGetResponse findUserNovelStatistics(User user);
+}

src/main/java/org/websoso/WSSServer/repository/UserNovelCustomRepositoryImpl.java

@@ -0,0 +1,54 @@
+package org.websoso.WSSServer.repository;
+
+import static org.websoso.WSSServer.domain.QUserNovel.userNovel;
+import static org.websoso.WSSServer.domain.common.ReadStatus.QUIT;
+import static org.websoso.WSSServer.domain.common.ReadStatus.WATCHED;
+import static org.websoso.WSSServer.domain.common.ReadStatus.WATCHING;
+
+import com.querydsl.core.types.Projections;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+import org.websoso.WSSServer.domain.User;
+import org.websoso.WSSServer.dto.user.UserNovelCountGetResponse;
+
+@Repository
+@RequiredArgsConstructor
+public class UserNovelCustomRepositoryImpl implements UserNovelCustomRepository {
+
+ private final JPAQueryFactory jpaQueryFactory;
+
+ @Override
+ public UserNovelCountGetResponse findUserNovelStatistics(User user) {
+ return jpaQueryFactory
+ .select(Projections.constructor(UserNovelCountGetResponse.class,
+ userNovel.isInterest
+ .when(true)
+ .then(1)
+ .otherwise(0)
+ .sum()
+ .coalesce(0),
+ userNovel.status
+ .when(WATCHING)
+ .then(1)
+ .otherwise(0)
+ .sum()
+ .coalesce(0),
+ userNovel.status
+ .when(WATCHED)
+ .then(1)
+ .otherwise(0)
+ .sum()
+ .coalesce(0),
+ userNovel.status
+ .when(QUIT)
+ .then(1)
+ .otherwise(0)
+ .sum()
+ .coalesce(0)
+ ))
+ .from(userNovel)
+ .where(userNovel.user.eq(user))
+ .fetchOne();
+ }
+}

src/main/java/org/websoso/WSSServer/repository/UserNovelRepository.java

@@ -10,7 +10,7 @@
 import org.websoso.WSSServer.domain.common.ReadStatus;
 
 @Repository
-public interface UserNovelRepository extends JpaRepository<UserNovel, Long> {
+public interface UserNovelRepository extends JpaRepository<UserNovel, Long>, UserNovelCustomRepository {
 
  Optional<UserNovel> findByNovelAndUser(Novel novel, User user);
 

src/main/java/org/websoso/WSSServer/service/UserNovelService.java

@@ -21,6 +21,7 @@
 import org.websoso.WSSServer.domain.UserNovelAttractivePoint;
 import org.websoso.WSSServer.domain.UserNovelKeyword;
 import org.websoso.WSSServer.dto.keyword.KeywordGetResponse;
+import org.websoso.WSSServer.dto.user.UserNovelCountGetResponse;
 import org.websoso.WSSServer.dto.userNovel.UserNovelCreateRequest;
 import org.websoso.WSSServer.dto.userNovel.UserNovelGetResponse;
 import org.websoso.WSSServer.exception.exception.CustomNovelException;
@@ -144,4 +145,8 @@ private List<KeywordGetResponse> getKeywordGetResponses(UserNovel userNovel) {
  .collect(Collectors.toList());
  }
 
+ @Transactional(readOnly = true)
+ public UserNovelCountGetResponse getUserNovelStatistics(User user) {
+ return userNovelRepository.findUserNovelStatistics(user);
+ }
 }