protected sealed override void PrepareProto()
{
base.PrepareProto();
var tracks = new MusicTracks();
try
{
this.PreparePlaylist(tracks);
if (tracks.Count == 0)
{
throw new Exception("No music tracks added into the playlist");
}
foreach (var track in tracks)
{
if (track == null)
{
throw new Exception("Null reference provided as track");
}
if (!Api.Shared.IsFileExists(track.MusicResource))
{
throw new Exception("Music track doesn't exist: " + track.MusicResource);
}
}
this.Tracks = tracks.AsReadOnly();
}
catch
{
this.Tracks = new List <MusicTrack>(0).AsReadOnly();
throw;
}
}
