private async Task <AudioTrack> GetPreviousStation(string name)
{
try
{
DISettingsCache cache = Serialize.Open <DISettingsCache>("di.xml");
List <Station> stations = Serialize.Open <List <Station> >("stationcache.xml");
Station nextStation = StationNavigator.GetPreviousStation(name, stations);
if (nextStation != null)
{
TrackListDownloader downloader = new TrackListDownloader();
List <Track> tracks = await downloader.GetTracksForStation(nextStation.JSONID);
string trackName = string.Empty;
if (tracks != null)
{
trackName = tracks[0].FullTrackName;
}
Uri location;
if (cache != null && cache.IsPremiumEnabled)
{
location = new Uri(nextStation.PremiumLocation + "?" + cache.PremiumKey);
}
else
{
location = new Uri(nextStation.Location);
}
return(new AudioTrack(location, trackName, nextStation.Name, string.Empty, null));
}
else
{
return(null);
}
}
catch
{
return(null);
}
}
private void NavigateToPreviousStation()
{
try
{
Station station = StationNavigator.GetPreviousStation(CoreViewModel.Instance.CurrentStation.Name,
MainPageViewModel.Instance.Stations.ToList());
if (station == null)
{
MessageBox.Show("There are no stations before this one, so we can't do the switch.", "Beem", MessageBoxButton.OK);
}
else
{
CoreViewModel.Instance.CurrentStation = station;
imgFave.Source = Utility.FavoriteImageSetter.GetImage(CoreViewModel.Instance.CurrentStation);
CheckCurrentPlayingState();
}
}
catch
{
MessageBox.Show("Can't navigate to that station. It looks like that station is missing. Make sure you are connected to a network and try again.",
"Beem", MessageBoxButton.OK);
}
}
