public async Task <bool> Download()
{
if (IsDownloading)
{
return(true);
}
DownloadCancellation = new CancellationTokenSource();
DownloadTask = Task.Run(async() =>
{
IsDownloading = true;
try
{
using (var response = await HttpWebRequest.CreateHttp(MP3URL).GetResponseAsync().ConfigureAwait(false))
{
MaxLenght = response.ContentLength;
using (var stream = response.GetResponseStream())
{
MP3FileName = string.Format("{0}_{1}_{2}.mp3", ShowName, Date, StartTime);
Mp3File = await(await MixDataHandler.instance.GetFolder()).CreateFileAsync(MP3FileName, CreationCollisionOption.OpenIfExists);
using (MP3Stream = await Mp3File.OpenStreamForWriteAsync())
{
DownloadUpdateCancellation = new CancellationTokenSource();
DownloadUpdateTask = Task.Run(() => CheckDownloadStatus(), DownloadUpdateCancellation.Token);
await stream.CopyToAsync(MP3Stream, 4096, DownloadUpdateCancellation.Token);
}
}
}
Downloaded = true;
fileSize = (int)MaxLenght / 1024 / 1024;
NotifyPropertyChanged("FileSizeText");
}
catch (Exception)
{
Downloaded = false;
}
finally
{
IsDownloading = false;
DownloadCancellation = null;
DownloadUpdateCancellation.Cancel();
DownloadUpdateCancellation = null;
MP3Stream = null;
TimeDownloaded = DateTime.Now;
NotifyPropertyChanged("DownloadedOn");
MixDataHandler.instance.UpdateMix(this);
MediaPlayerViewModel.instance.CheckIfBackgroundTaskIsRunning();
}
return(Downloaded);
}, DownloadCancellation.Token);
return(await DownloadTask);
}
