fix(PlaylistResponse): 플레이리스트 응답에 제작자 닉네임 추가

Author: gzhan0226

main-server/src/main/java/com/example/demo/domain/like/repository/LikesRepositoryCustomImpl.java

@@ -36,8 +36,7 @@ public List<Playlist> findLikedPlaylistsWithMeta(String userId,
                 .join(l).on(l.playlist.id.eq(p.id))
                 .join(p.users, u).fetchJoin()
                 .where(
-                        l.users.id.eq(userId),
-                        p.isPublic.isTrue()
+                        l.users.id.eq(userId)
                 )
                 .orderBy(order)
                 .limit(limit)

main-server/src/main/java/com/example/demo/domain/playlist/dto/playlistdto/PlaylistResponse.java

@@ -15,6 +15,9 @@ public record PlaylistResponse(
         @Schema(description = "플레이리스트 이름", example = "여름 드라이브 플레이리스트")
         String playlistName,
 
+        @Schema(description = "플레이리스트 제작자 이름", example = "여름 드라이브 플레이리스트")
+        String creatorNickname,
+
         @Schema(description = "플레이리스트 공개 여부", example = "true")
         boolean isPublic,
 
@@ -26,6 +29,7 @@ public static PlaylistResponse from(Playlist playlist, CdResponse cd) {
         return PlaylistResponse.builder()
                 .playlistId(playlist.getId())
                 .playlistName(playlist.getName())
+                .creatorNickname(playlist.getUsers().getUsername())
                 .isPublic(playlist.isPublic())
                 .cdResponse(cd)
                 .build();

main-server/src/main/java/com/example/demo/domain/playlist/repository/PlaylistRepository.java

@@ -11,18 +11,20 @@
 public interface PlaylistRepository extends JpaRepository<Playlist, Long>, PlaylistRepositoryCustom {
 
     @Query("""
-    SELECT p FROM Playlist p
-    WHERE p.users.id = :userId
-      AND p.isPublic = true
-    ORDER BY p.visitCount DESC
+SELECT p
+FROM Playlist p
+JOIN FETCH p.users u
+WHERE u.id = :userId
+ORDER BY p.visitCount DESC
 """)
     List<Playlist> findByUserIdPopular(@Param("userId") String userId);
 
     @Query("""
-    SELECT p FROM Playlist p
-    WHERE p.users.id = :userId
-      AND p.isPublic = true
-    ORDER BY p.id DESC
+SELECT p
+FROM Playlist p
+JOIN FETCH p.users u
+WHERE u.id = :userId
+ORDER BY p.id DESC
 """)
     List<Playlist> findByUserIdRecent(@Param("userId") String userId);