[Artist] 아티스트 찜하기

src/main/java/com/back/web7_9_codecrete_be/domain/artists/controller/ArtistsController.java

@@ -103,9 +103,12 @@ public RsData<Void> artistLikes(
 
     @Operation(summary = "아티스트 찜 해체", description = "id 에 해당하는 아티스트에게 등록했던 찜을 해제합니다.")
     @DeleteMapping("/likes/{id}")
-    public void deleteArtistLikes(
+    public RsData<Void> deleteArtistLikes(
             @PathVariable Long id
-    ) {}
+    ) {
+        artistService.deleteLikeArtist(id);
+        return RsData.success("아티스트 찜 해제 성공", null);
+    }
 
     @Operation(summary = "개인화된 공연 리스트 생성", description = "유저가 찜한 아티스트를 기반으로 공연 리스트를 생성합니다.")
     @PostMapping("/list")

src/main/java/com/back/web7_9_codecrete_be/domain/artists/entity/ArtistLike.java

@@ -3,11 +3,13 @@
 import com.back.web7_9_codecrete_be.domain.users.entity.User;
 import jakarta.persistence.*;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 
 import java.time.LocalDateTime;
 
 @Entity
 @Getter
+@NoArgsConstructor
 @Table(name = "artist_like")
 public class ArtistLike {
     @Id
@@ -27,6 +29,7 @@ public class ArtistLike {
     private Artist artist;
 
     public ArtistLike(Artist artist, User user) {
+        this.createdDate = LocalDateTime.now();
         this.artist = artist;
         this.user = user;
     }

src/main/java/com/back/web7_9_codecrete_be/domain/artists/repository/ArtistLikeRepository.java

@@ -6,8 +6,11 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
+import java.util.Optional;
+
 @Repository
 public interface ArtistLikeRepository extends JpaRepository<ArtistLike, Long> {
     long countByArtistId(Long artistId);
     boolean existsByArtistAndUser(Artist artist, User user);
+    Optional<ArtistLike> findByArtistAndUser(Artist artist, User user);
 }

src/main/java/com/back/web7_9_codecrete_be/domain/artists/service/ArtistService.java

@@ -14,14 +14,15 @@
 import com.back.web7_9_codecrete_be.global.error.code.ArtistErrorCode;
 import com.back.web7_9_codecrete_be.global.error.exception.BusinessException;
 import com.back.web7_9_codecrete_be.global.rq.Rq;
+import lombok.AccessLevel;
 import org.springframework.transaction.annotation.Transactional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
 
 @Service
-@RequiredArgsConstructor
+@RequiredArgsConstructor(access = AccessLevel.PROTECTED)
 public class ArtistService {
 
     private final SpotifyService spotifyService;
@@ -141,4 +142,15 @@ public void likeArtist(Long artistId) {
         artist.increaseLikeCount();
     }
 
+    @Transactional
+    public void deleteLikeArtist(Long artistId) {
+        User user = rq.getUser();
+        Artist artist = artistRepository.findById(artistId)
+                .orElseThrow(() -> new BusinessException(ArtistErrorCode.ARTIST_NOT_FOUND));
+        ArtistLike likes = artistLikeRepository.findByArtistAndUser(artist, user)
+                .orElseThrow(() -> new BusinessException(ArtistErrorCode.LIKES_NOT_FOUND));
+        artistLikeRepository.delete(likes);
+        artist.decreaseLikeCount();
+    }
+
 }

src/main/java/com/back/web7_9_codecrete_be/global/error/code/ArtistErrorCode.java

@@ -16,7 +16,8 @@ public enum ArtistErrorCode implements ErrorCode {
     SPOTIFY_NOT_FOUND(HttpStatus.NOT_FOUND, "AT-104", "존재하지 않는 Spotify Artist Key 입니다."),
     INVALID_UPDATE_REQUEST(HttpStatus.BAD_REQUEST, "AT-105", "수정할 내용이 없습니다."),
     INVALID_SEARCH_KEYWORD(HttpStatus.BAD_REQUEST, "AT-106", "입력 값이 없습니다."),
-    LIKES_ALREADY_EXISTS(HttpStatus.CONFLICT, "AT-107", "이미 좋아요를 눌렀습니다.");
+    LIKES_ALREADY_EXISTS(HttpStatus.CONFLICT, "AT-107", "이미 찜한 아티스트입니다."),
+    LIKES_NOT_FOUND(HttpStatus.NOT_FOUND, "AT-108", "찜한 아티스트가 아닙니다.");
 
     private final HttpStatus status;
     private final String code;