public static async Task <Playlist> CreateFrom(ITracksSource source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
var tracks = await source.GetAsync();
var tracksList = tracks.ToList();
if (!tracksList.Any())
{
throw new ApplicationException("Tracks source has not returned any tracks");
}
var playlist = new Playlist(tracksList, source);
return(playlist);
}
//TODO Should also check for tracks to remove
//
public async Task Stabilize()
{
var tracks = await _tracksSource.GetAsync();
var tracksList = tracks.ToList();
if (++_checks == _requiredChecks)
{
IsStable = true;
return;
}
//TODO I could recreate LL everytime playlist changes instead of maintaining old one, TBD
if (tracksList.Count > TracksCount)
{
foreach (var track in tracksList)
{
AddTrack(track);
}
_checks = 0;
}
}