添加详情接口

internal/repository/song_repo.go

@@ -63,6 +63,21 @@ func (r *SongRepository) GetAllWithDetails() ([]SongDetail, error) {
 	return songs, nil
 }
 
+func (r *SongRepository) GetWithDetails(id int) (model.SongDetail, error) {
+	var song model.SongDetail
+	err := r.db.QueryRow(`
+		SELECT s.id, s.title, a.name as artist_name, al.title as album_title, s.duration, mf.path
+		FROM songs s WHERE id = ?
+		INNER JOIN media_files mf ON s.media_file_id = mf.id
+		INNER JOIN artists a ON s.artist_id = a.id
+		INNER JOIN albums al ON s.album_id = al.id
+	`, id).Scan(&song.ID, &song.Title, &song.Artist, &song.Album, &song.Duration, &song.Path)
+	if err != nil {
+		return model.SongDetail{}, err
+	}
+	return song, nil
+}
+
 func (r *SongRepository) Get(id int) (model.Song, error) {
 	var song model.Song
 	err := r.db.QueryRow(`