chore : review 반영

Author: youngjijang

src/main/java/com/dadok/gaerval/domain/bookshelf/exception/AlreadyExistsBookshelfLikeException.java

@@ -2,7 +2,6 @@
 
 import static com.dadok.gaerval.global.error.ErrorCode.*;
 
-import com.dadok.gaerval.global.error.ErrorCode;
 import com.dadok.gaerval.global.error.exception.BusinessException;
 
 public class AlreadyExistsBookshelfLikeException extends BusinessException {
@@ -11,13 +10,4 @@ public AlreadyExistsBookshelfLikeException(Long bookshelfId) {
 		super(ALREADY_EXISTS_BOOKSHELF_LIKE, String.format(ALREADY_EXISTS_BOOKSHELF_LIKE.getMessage(), bookshelfId));
 	}
 
-	@Override
-	public String getMessage() {
-		return super.getMessage();
-	}
-
-	@Override
-	public ErrorCode getErrorCode() {
-		return ALREADY_EXISTS_BOOKSHELF_LIKE;
-	}
 }

src/main/java/com/dadok/gaerval/domain/bookshelf/repository/BookshelfLikeSupport.java

@@ -2,5 +2,5 @@
 
 public interface BookshelfLikeSupport {
 
-	boolean existsByBookshelfIdAndUserId(Long bookshelfId, Long userId);
+	boolean existsLike(Long bookshelfId, Long userId);
 }

src/main/java/com/dadok/gaerval/domain/bookshelf/repository/BookshelfLikeSupportImpl.java

@@ -12,7 +12,7 @@ public class BookshelfLikeSupportImpl implements BookshelfLikeSupport {
 	private final JPAQueryFactory query;
 
 	@Override
-	public boolean existsByBookshelfIdAndUserId(Long bookshelfId, Long userId) {
+	public boolean existsLike(Long bookshelfId, Long userId) {
 		Integer fetchOne = query.selectOne().from(bookshelfLike)
 			.where(bookshelfLike.bookshelf.id.eq(bookshelfId), bookshelfLike.user.id.eq(userId))
 			.fetchFirst();

src/main/java/com/dadok/gaerval/domain/bookshelf/service/DefaultBookshelfLikeService.java

@@ -28,7 +28,7 @@ public class DefaultBookshelfLikeService implements BookshelfLikeService {
 	public void createBookshelfLike(Long userId, Long bookshelfId) {
 		User user = userService.getById(userId);
 		Bookshelf bookshelf = bookshelfService.getById(bookshelfId);
-		if (bookshelfLikeRepository.existsByBookshelfIdAndUserId(bookshelfId, userId)) {
+		if (bookshelfLikeRepository.existsLike(bookshelfId, userId)) {
 			throw new AlreadyExistsBookshelfLikeException(bookshelf.getId());
 		}
 		bookshelfLikeRepository.save(BookshelfLike.create(user, bookshelf));

src/test/java/com/dadok/gaerval/domain/bookshelf/repository/BookshelfLikeRepositoryTest.java

@@ -25,7 +25,6 @@ void findByUserIdAndBookshelfId() {
 	@Test
 	@DisplayName("책장과 사용자를 입력받아 존재 여부 확인")
 	void existsByBookshelfIdAndUserId() {
-		bookshelfLikeRepository.existsByBookshelfIdAndUserId(2L, 4L);
+		bookshelfLikeRepository.existsLike(2L, 4L);
 	}
-
 }

src/test/java/com/dadok/gaerval/domain/bookshelf/service/DefaultBookshelfLikeServiceTest.java

@@ -49,7 +49,7 @@ void createBookshelfLike_success() {
 			.willReturn(user);
 		given(bookshelfService.getById(2L))
 			.willReturn(bookshelf);
-		given(bookshelfLikeRepository.existsByBookshelfIdAndUserId(2L, 1L))
+		given(bookshelfLikeRepository.existsLike(2L, 1L))
 			.willReturn(Boolean.FALSE);
 
 		// When
@@ -69,7 +69,7 @@ void createBookshelfLike_alreadyExist_fail() {
 			.willReturn(user);
 		given(bookshelfService.getById(2L))
 			.willReturn(bookshelf);
-		given(bookshelfLikeRepository.existsByBookshelfIdAndUserId(2L, 1L))
+		given(bookshelfLikeRepository.existsLike(2L, 1L))
 			.willReturn(Boolean.TRUE);
 
 		// When // Then