add: deleteMovie() in movieService

server/src/main/java/com/ticketing/server/movie/domain/repository/MovieRepository.java

@@ -13,6 +13,8 @@ public interface MovieRepository extends JpaRepository<Movie, Long> {
 
     Optional<Movie> findByTitle(String title);
 
+	Optional<Movie> findByIdAndDeletedAtNull(Long id);
+
 	@Query(value = "SELECT m "
 		+ "FROM movie m "
 		+ "WHERE title = :title "

server/src/main/java/com/ticketing/server/movie/service/MovieServiceImpl.java

@@ -47,6 +47,11 @@ public class MovieServiceImpl implements MovieService {
 
 	@Override
 	public DeletedMovieDTO deleteMovie(Long id) {
+		Movie movie = movieRepository.findByIdAndDeletedAtNull(id)
+			.orElseThrow(ErrorCode::throwMovieNotFound);
 
+		Movie deletedMovie = movie.delete();
+
+		return new DeletedMovieDTO(deletedMovie);
 	}
 }

server/src/main/java/com/ticketing/server/movie/service/interfaces/MovieService.java

@@ -1,5 +1,6 @@
 package com.ticketing.server.movie.service.interfaces;
 
+import com.ticketing.server.movie.service.dto.DeletedMovieDTO;
 import com.ticketing.server.movie.service.dto.MovieDTO;
 import com.ticketing.server.movie.service.dto.RegisteredMovieDTO;
 import java.util.List;
@@ -9,4 +10,6 @@ public interface MovieService {
 	RegisteredMovieDTO registerMovie(String title, Long runningTime);
 
     List<MovieDTO> getMovies();
+
+	DeletedMovieDTO deleteMovie(Long id);
 }