[feat] 보고싶어요 추가/삭제시 플레이리스에 자동 추가/삭제 기능 추가

src/main/java/com/mookive/mookive_backend/heart/application/service/HeartCreateService.java

@@ -4,8 +4,13 @@
 import com.mookive.mookive_backend.heart.domain.service.HeartDeleteService;
 import com.mookive.mookive_backend.heart.domain.service.HeartQueryService;
 import com.mookive.mookive_backend.heart.domain.service.HeartSaveService;
+import com.mookive.mookive_backend.heartPlaylist.service.HeartPlaylistQueryService;
 import com.mookive.mookive_backend.movie.domain.entity.Movie;
 import com.mookive.mookive_backend.movie.domain.service.MovieQueryService;
+import com.mookive.mookive_backend.movieInPlaylist.domain.entity.MovieInPlaylist;
+import com.mookive.mookive_backend.movieInPlaylist.domain.service.MovieInPlaylistDeleteService;
+import com.mookive.mookive_backend.movieInPlaylist.domain.service.MovieInPlaylistSaveService;
+import com.mookive.mookive_backend.playlist.domain.entity.Playlist;
 import com.mookive.mookive_backend.user.domain.entity.User;
 import com.mookive.mookive_backend.user.domain.service.UserQueryService;
 import jakarta.transaction.Transactional;
@@ -22,18 +27,30 @@ public class HeartCreateService {
     private final HeartDeleteService heartDeleteService;
     private final UserQueryService userQueryService;
     private final MovieQueryService movieQueryService;
+    private final HeartPlaylistQueryService heartPlaylistQueryService;
+    private final MovieInPlaylistSaveService movieInPlaylistSaveService;
+    private final MovieInPlaylistDeleteService movieInPlaylistDeleteService;
 
     public void createHeart(Long userId, Long movieId) {
+        User user = userQueryService.findById(userId);
+        Movie movie = movieQueryService.findById(movieId);
+        Playlist playlist = heartPlaylistQueryService.findByUserId(userId).getPlaylist();
+
         if (heartQueryService.existsByUserIdAndMovieId(userId, movieId)) {
             heartDeleteService.deleteByUserIdAndMovieId(userId, movieId);
+            movieInPlaylistDeleteService.deleteByPlaylistIdAndMovieId(playlist.getId(), movieId);
         } else {
-            User user = userQueryService.findById(userId);
-            Movie movie = movieQueryService.findById(movieId);
             Heart heart = Heart.builder()
                     .user(user)
                     .movie(movie)
                     .build();
             heartSaveService.save(heart);
+
+            MovieInPlaylist movieInPlaylist = MovieInPlaylist.builder()
+                    .movie(movie)
+                    .playlist(playlist)
+                    .build();
+            movieInPlaylistSaveService.save(movieInPlaylist);
         }
     }
 }

src/main/java/com/mookive/mookive_backend/heartPlaylist/service/HeartPlaylistQueryService.java

@@ -0,0 +1,19 @@
+package com.mookive.mookive_backend.heartPlaylist.service;
+
+import com.mookive.mookive_backend.heartPlaylist.domain.HeartPlaylist;
+import com.mookive.mookive_backend.heartPlaylist.repository.HeartPlaylistRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class HeartPlaylistQueryService {
+
+    private final HeartPlaylistRepository heartPlaylistRepository;
+
+    public HeartPlaylist findByUserId(Long userId) {
+        return heartPlaylistRepository.findByUserId(userId);
+    }
+}

src/main/java/com/mookive/mookive_backend/movieInPlaylist/domain/respository/MovieInPlaylistRepository.java

@@ -8,4 +8,6 @@
 public interface MovieInPlaylistRepository extends JpaRepository<MovieInPlaylist, Long> {
 
     List<MovieInPlaylist> findByPlaylistId(Long playlistId);
+
+    void deleteByPlaylistIdAndMovieId(Long playlistId, Long movieId);
 }

src/main/java/com/mookive/mookive_backend/movieInPlaylist/domain/service/MovieInPlaylistDeleteService.java

@@ -0,0 +1,18 @@
+package com.mookive.mookive_backend.movieInPlaylist.domain.service;
+
+import com.mookive.mookive_backend.movieInPlaylist.domain.respository.MovieInPlaylistRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class MovieInPlaylistDeleteService {
+
+    private final MovieInPlaylistRepository movieInPlaylistRepository;
+
+    public void deleteByPlaylistIdAndMovieId(Long playlistId, Long movieId) {
+        movieInPlaylistRepository.deleteByPlaylistIdAndMovieId(playlistId, movieId);
+    }
+}