[feat] 플레이리스트 속 영화 리스트 조회 기능 추가

src/main/java/com/mookive/mookive_backend/movieInPlaylist/application/dto/response/MovieInPlaylistResponse.java

@@ -0,0 +1,23 @@
+package com.mookive.mookive_backend.movieInPlaylist.application.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+public class MovieInPlaylistResponse {
+
+    @Getter
+    @NoArgsConstructor
+    public static class MovieInPlaylistDefaultResponse {
+        private String title;
+        private String poster;
+        private String rating;
+
+        @Builder
+        public MovieInPlaylistDefaultResponse(String title, String poster, String rating) {
+            this.title = title;
+            this.poster = poster;
+            this.rating = rating;
+        }
+    }
+}

src/main/java/com/mookive/mookive_backend/movieInPlaylist/application/mapper/MovieInPlaylistMapper.java

@@ -1,6 +1,7 @@
 package com.mookive.mookive_backend.movieInPlaylist.application.mapper;
 
 import com.mookive.mookive_backend.movie.domain.entity.Movie;
+import com.mookive.mookive_backend.movieInPlaylist.application.dto.response.MovieInPlaylistResponse;
 import com.mookive.mookive_backend.movieInPlaylist.domain.entity.MovieInPlaylist;
 import com.mookive.mookive_backend.playlist.domain.entity.Playlist;
 
@@ -12,4 +13,13 @@ public static MovieInPlaylist mapToMovieInPlaylist(Movie movie, Playlist playlis
                 .playlist(playlist)
                 .build();
     }
+
+    public static MovieInPlaylistResponse.MovieInPlaylistDefaultResponse mapToMovieInPlaylistDefaultResponse
+            (MovieInPlaylist movieInPlaylist, String rating) {
+        return MovieInPlaylistResponse.MovieInPlaylistDefaultResponse.builder()
+                .title(movieInPlaylist.getMovie().getTitle())
+                .poster(movieInPlaylist.getMovie().getPoster())
+                .rating(rating)
+                .build();
+    }
 }

src/main/java/com/mookive/mookive_backend/movieInPlaylist/application/service/MovieInPlayListGetService.java

@@ -0,0 +1,43 @@
+package com.mookive.mookive_backend.movieInPlaylist.application.service;
+
+import com.mookive.mookive_backend.movieInPlaylist.application.dto.response.MovieInPlaylistResponse;
+import com.mookive.mookive_backend.movieInPlaylist.application.mapper.MovieInPlaylistMapper;
+import com.mookive.mookive_backend.movieInPlaylist.domain.entity.MovieInPlaylist;
+import com.mookive.mookive_backend.movieInPlaylist.domain.service.MovieInPlaylistQueryService;
+import com.mookive.mookive_backend.playlist.domain.entity.Playlist;
+import com.mookive.mookive_backend.playlist.domain.service.PlaylistQueryService;
+import com.mookive.mookive_backend.review.domain.entity.Review;
+import com.mookive.mookive_backend.review.domain.service.ReviewQueryService;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class MovieInPlayListGetService {
+
+    private final MovieInPlaylistQueryService movieInPlaylistQueryService;
+    private final PlaylistQueryService playlistQueryService;
+    private final ReviewQueryService reviewQueryService;
+
+    public List<MovieInPlaylistResponse.MovieInPlaylistDefaultResponse> getMovieInPlayList(Long playlistId) {
+        Playlist playlist = playlistQueryService.findById(playlistId);
+        Long userId = playlist.getUser().getId();
+
+        List<MovieInPlaylist> movieInPlaylistList = movieInPlaylistQueryService.findByPlaylistId(playlistId);
+        List<MovieInPlaylistResponse.MovieInPlaylistDefaultResponse> movieInPlaylistDefaultResponseList = movieInPlaylistList.stream().map(movieInPlaylist ->
+        {
+            Long movieId = movieInPlaylist.getMovie().getId();
+            Review review = reviewQueryService.findByUserIdAndMovieId(userId, movieId);
+            String rating = review != null ? review.getRating() : null;
+            return MovieInPlaylistMapper.mapToMovieInPlaylistDefaultResponse(movieInPlaylist, rating);
+        }).collect(Collectors.toList());
+
+        return movieInPlaylistDefaultResponseList;
+
+    }
+}

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

@@ -3,5 +3,9 @@
 import com.mookive.mookive_backend.movieInPlaylist.domain.entity.MovieInPlaylist;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface MovieInPlaylistRepository extends JpaRepository<MovieInPlaylist, Long> {
+
+    List<MovieInPlaylist> findByPlaylistId(Long playlistId);
 }

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

@@ -0,0 +1,21 @@
+package com.mookive.mookive_backend.movieInPlaylist.domain.service;
+
+import com.mookive.mookive_backend.movieInPlaylist.domain.entity.MovieInPlaylist;
+import com.mookive.mookive_backend.movieInPlaylist.domain.respository.MovieInPlaylistRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class MovieInPlaylistQueryService {
+
+    private final MovieInPlaylistRepository movieInPlaylistRepository;
+
+    public List<MovieInPlaylist> findByPlaylistId(Long playlistId) {
+        return movieInPlaylistRepository.findByPlaylistId(playlistId);
+    }
+}

src/main/java/com/mookive/mookive_backend/movieInPlaylist/presentation/MovieInPlayListController.java

@@ -2,20 +2,28 @@
 
 
 import com.mookive.mookive_backend.movieInPlaylist.application.dto.request.MovieInPlaylistRequest;
+import com.mookive.mookive_backend.movieInPlaylist.application.dto.response.MovieInPlaylistResponse;
+import com.mookive.mookive_backend.movieInPlaylist.application.service.MovieInPlayListGetService;
 import com.mookive.mookive_backend.movieInPlaylist.application.service.MovieInPlaylistCreateService;
 import lombok.RequiredArgsConstructor;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
 
 @RestController
 @RequiredArgsConstructor
 public class MovieInPlayListController {
 
     private final MovieInPlaylistCreateService movieInPlaylistCreateService;
+    private final MovieInPlayListGetService movieInPlayListGetService;
 
     @PostMapping("/movieInPlaylist")
     public void createMovieInPlaylist(@RequestBody MovieInPlaylistRequest.MovieInPlaylistCreateRequest movieInPlaylistCreateRequest) {
         movieInPlaylistCreateService.createMovieInPlaylist(movieInPlaylistCreateRequest);
     }
+
+    @GetMapping("/movieInPlaylist/{playlistId}")
+    public List<MovieInPlaylistResponse.MovieInPlaylistDefaultResponse> getMovieInPlaylist(@PathVariable Long playlistId) {
+        return movieInPlayListGetService.getMovieInPlayList(playlistId);
+    }
 }

src/main/java/com/mookive/mookive_backend/review/domain/repository/ReviewRepository.java

@@ -4,4 +4,6 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface ReviewRepository extends JpaRepository<Review, Long> {
+
+    Review findByUserIdAndMovieId(Long userId, Long movieId);
 }

src/main/java/com/mookive/mookive_backend/review/domain/service/ReviewQueryService.java

@@ -17,4 +17,8 @@ public Review findById(Long reviewId) {
         return reviewRepository.findById(reviewId)
                 .orElseThrow(() ->  new IllegalArgumentException("Review not found"));
     }
+
+    public Review findByUserIdAndMovieId(Long userId, Long movieId) {
+        return reviewRepository.findByUserIdAndMovieId(userId, movieId);
+    }
 }