private void provider_ProcessDownloads(object sender, StUtil.Generic.EventArgs <IEnumerable <Download> > e)
{
DownloadProvider provider = (DownloadProvider)sender;
var downloads = e.Value.Select(dl => (PreparedDownload)Activator.CreateInstance(provider.PreparedDownloadType, dl)).ToArray();
DownloadsAdded.RaiseEvent(this, downloads);
foreach (var dl in downloads)
{
dl.StateChanged += dl_StateChanged;
registered.Add(dl);
try
{
dl.State = DownloadState.Processing;
dl.Prepare(DownloadDirectory).ContinueWith(t =>
{
if (t.IsFaulted)
{
dl.LastError = t.Exception.InnerException ?? t.Exception;
dl.State = DownloadState.Failed;
}
else
{
try
{
if (string.IsNullOrWhiteSpace(dl.FilePath))
{
throw new FormatException("Download FilePath must be set to a valid path");
}
Path.GetFullPath(dl.FilePath);
}
catch (Exception ex)
{
dl.LastError = ex;
dl.State = DownloadState.Failed;
return;
}
dl.State = DownloadState.Queued;
ProcessQueue();
}
});
}
catch (Exception ex)
{
dl.LastError = ex;
dl.State = DownloadState.Failed;
}
}
}
public void RegisterProvider(DownloadProvider provider)
{
providers.Add(provider);
provider.ProcessDownloads += provider_ProcessDownloads;
}