feat: 아티스트 상세 - isLiked 추가

Author: ys0221

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

@@ -82,7 +82,8 @@ public RsData<Slice<ArtistListResponse>> list(
     public RsData<ArtistDetailResponse> artist(
             @PathVariable Long id
     ) {
-        return RsData.success("아티스트 상세 조회를 성공했습니다.", artistService.getArtistDetail(id));
+        User user = rq.getUserOrNull(); // 로그인하지 않은 경우 null
+        return RsData.success("아티스트 상세 조회를 성공했습니다.", artistService.getArtistDetail(id, user));
     }
 
     @Operation(summary = "아티스트 정보 수정", description = "아티스트 정보를 수정합니다.")

src/main/java/com/back/web7_9_codecrete_be/domain/artists/dto/response/ArtistDetailResponse.java

@@ -37,6 +37,9 @@ public record ArtistDetailResponse(
         List<TopTrackResponse> topTracks,
 
         @Schema(description = "아티스트와 관련 있는 다른 아티스트 목록입니다.")
-        List<RelatedArtistResponse> relatedArtists
+        List<RelatedArtistResponse> relatedArtists,
+
+        @Schema(description = "로그인한 유저의 좋아요 여부입니다. 비회원인 경우 false입니다.")
+        Boolean isLiked
 ) {
 }

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

@@ -189,7 +189,7 @@ protected void enrichSingleArtist(Artist artist) {
         // 기존 artistType이 있으면 유지, 없으면 가져온 값 사용
         String artistTypeStr = result.artistType != null ? result.artistType : 
                 (artist.getArtistType() != null ? artist.getArtistType().name() : null);
-        
+
         // String을 ArtistType enum으로 변환
         ArtistType artistType;
         if (artistTypeStr != null) {
@@ -329,8 +329,8 @@ private EnrichResult enrichArtist(Artist artist) {
                                             artist.getMusicBrainzId(), artistGroup);
                                 }
                             }
-                        }
-                        
+        }
+
                         if (artistType != null || artistGroup != null) {
                             log.info("✅ -1단계 성공 (MBID 직접 검색): artistId={}, mbid={}, qid={}, type={}, group={}", 
                                     artist.getId(), artist.getMusicBrainzId(), mbidWikidataQid, artistType, artistGroup);
@@ -459,13 +459,13 @@ private EnrichResult enrichArtist(Artist artist) {
                                                 artist.getSpotifyArtistId(), artistGroup, groups);
                                     } else {
                                         // SPARQL로 못 찾으면 기존 방식 시도
-                                        artistGroup = resolveGroupNameFromWikidata(entity);
-                                        if (artistGroup != null) {
-                                            source += "Wikidata ";
+                artistGroup = resolveGroupNameFromWikidata(entity);
+                if (artistGroup != null) {
+                    source += "Wikidata ";
                                             log.debug("소속 그룹 추출 성공 (Wikidata): spotifyId={}, group={}", 
                                                     artist.getSpotifyArtistId(), artistGroup);
-                                        }
-                                    }
+            }
+        }
                                 }
                                 // Wikidata에서 못 찾으면 MusicBrainz에서 시도
                                 if (artistGroup == null && mbInfo.getArtistGroup() != null && 
@@ -499,9 +499,9 @@ private EnrichResult enrichArtist(Artist artist) {
 
                         // MBID 상세 조회
                         Optional<MusicBrainzClient.ArtistInfo> mbInfoOpt = musicBrainzClient.getArtistByMbid(mbid);
-                        if (mbInfoOpt.isPresent()) {
-                            MusicBrainzClient.ArtistInfo mbInfo = mbInfoOpt.get();
-                            
+            if (mbInfoOpt.isPresent()) {
+                MusicBrainzClient.ArtistInfo mbInfo = mbInfoOpt.get();
+
                             // Type 덮어쓰기 정책: 합의(consensus) 방식
                             if (mbInfo.getArtistType() != null && !mbInfo.getArtistType().isBlank() && 
                                 "spotify-url".equals(mbidSource)) {
@@ -517,7 +517,7 @@ private EnrichResult enrichArtist(Artist artist) {
                                 } else if (wdType == null) {
                                     // Wikidata에서 type을 못 찾았으면 MusicBrainz 사용
                                     artistType = mbType;
-                                    source += "MusicBrainz ";
+                    source += "MusicBrainz ";
                                     log.debug("artistType 추출 성공 (MusicBrainz, Wikidata type 없음): spotifyId={}, mbid={}, type={}", 
                                             artist.getSpotifyArtistId(), mbid, mbType);
                                 } else {
@@ -530,8 +530,8 @@ private EnrichResult enrichArtist(Artist artist) {
                             // SOLO일 때만 group 추출 (MusicBrainz만 사용, Wikidata는 이미 시도했거나 없음)
                             if ("SOLO".equals(artistType) && artistGroup == null) {
                                 if (mbInfo.getArtistGroup() != null && !mbInfo.getArtistGroup().isBlank()) {
-                                    artistGroup = mbInfo.getArtistGroup();
-                                    source += "MusicBrainz ";
+                    artistGroup = mbInfo.getArtistGroup();
+                    source += "MusicBrainz ";
                                     log.debug("소속 그룹 추출 성공 (MusicBrainz): spotifyId={}, mbid={}, group={}", 
                                             artist.getSpotifyArtistId(), mbid, artistGroup);
                                 }
@@ -619,7 +619,7 @@ private EnrichResult enrichArtist(Artist artist) {
         }
 
         return new EnrichResult(nameKo, artistGroup, artistType, source.trim());
-    }
+        }
 
     // Wikidata 엔티티에서 정보 추출 (한국이름-활동명, 소속그룹, 솔로/그룹)
     private EnrichResult extractInfoFromWikidata(JsonNode entity) {

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

@@ -98,7 +98,7 @@ public Slice<ArtistListResponse> listArtist(Pageable pageable, User user, Artist
     }
 
     @Transactional(readOnly = true)
-    public ArtistDetailResponse getArtistDetail(Long artistId) {
+    public ArtistDetailResponse getArtistDetail(Long artistId, User user) {
         Artist artist = artistRepository.findById(artistId)
                 .orElseThrow(() -> new BusinessException(ArtistErrorCode.ARTIST_NOT_FOUND));
 
@@ -108,13 +108,20 @@ public ArtistDetailResponse getArtistDetail(Long artistId) {
 
         long likeCount = artistLikeRepository.countByArtistId(artistId);
 
+        // 로그인한 유저의 좋아요 여부 확인
+        boolean isLiked = false;
+        if (user != null) {
+            isLiked = artistLikeRepository.existsByArtistAndUser(artist, user);
+        }
+
         return spotifyService.getArtistDetail(
                 artist.getSpotifyArtistId(),
                 artist.getArtistGroup(),
                 artist.getArtistType(),
                 likeCount,
                 artist.getId(),
-                artist.getGenre() != null ? artist.getGenre().getId() : null
+                artist.getGenre() != null ? artist.getGenre().getId() : null,
+                isLiked
         );
     }
 

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

@@ -190,7 +190,8 @@ public ArtistDetailResponse getArtistDetail(
             ArtistType artistType,
             long likeCount,
             long artistId,
-            Long genreId
+            Long genreId,
+            boolean isLiked
     ) {
         try {
             SpotifyApi api = spotifyClient.getAuthorizedApi();
@@ -219,7 +220,8 @@ public ArtistDetailResponse getArtistDetail(
                     "", // 설명
                     toAlbumResponses(albums != null ? albums.getItems() : null, spotifyArtistId),
                     toTopTrackResponses(topTracks),
-                    relatedResponses
+                    relatedResponses,
+                    isLiked
             );
         } catch (Exception e) {
             log.error("Spotify 상세 조회 실패: artistId={}", spotifyArtistId, e);