[music] [PlaylistConverter] add track to playlist only if it has a vaild download url

app/src/main/java/ru/vtosters/lite/downloaders/AudioDownloader.java

@@ -37,7 +37,6 @@ public class AudioDownloader {
 
     public static void downloadPlaylist(Playlist playlist) {
         var tracks = PlaylistConverter.getPlaylist(playlist);
-        var tracksWithUrls = tracks.stream().filter(track -> !track.D.isEmpty()).collect(Collectors.toList());
 
         var playlistName = IOUtils.getValidFileName(playlist.g);
 
@@ -48,10 +47,10 @@ public class AudioDownloader {
         var notification = MusicNotificationBuilder.buildPlaylistDownloadNotification(playlistName, notificationId);
 
         PlaylistDownloader.downloadPlaylist(
-                tracksWithUrls,
+                tracks,
                 IOUtils.getValidFileName(playlist.g),
                 downloadPath,
-               MusicCallbackBuilder.buildPlaylistCallback(tracksWithUrls.size(), notification, notificationId)
+               MusicCallbackBuilder.buildPlaylistCallback(tracks.size(), notification, notificationId)
         );
     }
 

app/src/main/java/ru/vtosters/lite/music/converter/playlist/PlaylistConverter.java

@@ -64,7 +64,12 @@ public class PlaylistConverter {
             var playlist = new JSONObject(response).getJSONObject("response").getJSONArray("audios");
             var tracks = new ArrayList<MusicTrack>();
             for (int i = 0; i < playlist.length(); i++) {
-                tracks.add(new MusicTrack(playlist.getJSONObject(i)));
+                var track = new MusicTrack(playlist.getJSONObject(i));
+
+                // add track only if it has a valid url
+                if (!track.D.isEmpty()) {
+                    tracks.add(track);
+                }
             }
 
             return tracks;