/// <summary>
/// Downloads the specified <see cref="AVItem"/> path.
/// </summary>
/// <param name="download">A <see cref="tubeCentric.Shared.Download"/> object that can be redownloaded</param>
public void Download(Download download)
{
var path = download.Path;
Write(string.Format(@"Request {0}: " + path, DateTime.Now.ToShortTimeString()));
Interrupted = false;
var downloader = new LaunchMpeg2DvrmsCommandLine(OnPlaybackReady)
{
ForStorageOnly = true
};
downloader.OnConversionStopped += OnDownloadingStopped;
using (var udm = UtilityDataModel.NewContext())
{
udm.Attach(download);
var downloadAttempts = download.DownloadAttemptedCount + 1;
download.Clear();
download.FilePath = downloader.GetPlaybackFile().FullName;
download.IsDownloading = true;
download.DownloadAttemptedCount = downloadAttempts;
udm.SaveAndRefreshDataModel(udm.Downloads);
udm.Detach(download);
}
DownloadInfo.Download = download;
var deviceName = Utility.GetDeviceNameFromPath(path);
var device = OnGetDevice(deviceName);
if (device == null)
{
var error = "Could not find device: " + deviceName;
Write(error);
throw new DeviceLocateException(error, deviceName);
}
var item = (AVItem)Utility.GetItemFromPath(device, path);
if (item == null)
{
var error = "Could not find path: " + path;
Write(error);
throw new PathLocateException(error, path);
}
Write(@"Waiting for download to start...");
if (!downloader.StartConversion(item, download))
{
Write(@"Start conversion call failed.");
throw new tubeCentricException("Could not start the download.");
}
var start = DateTime.Now;
var ts = DateTime.Now - start;
while (ts.TotalSeconds < 60 && !downloader.IsConversionActive && !Interrupted)
{
ts = DateTime.Now - start;
Thread.Sleep(100);
}
if (!Interrupted)
{
var status = downloader.GetDownloadedStatus();
start = DateTime.Now;
ts = DateTime.Now - start;
while (ts.TotalSeconds < 60 && status == null)
{
ts = DateTime.Now - start;
Thread.Sleep(100);
status = downloader.GetDownloadedStatus();
}
Write(string.Format("Waited {0} seconds for download status.", ts.TotalSeconds));
if (status != null)
Write(@"Starting download: " + path);
while (downloader.IsConversionActive && !Interrupted)
{
status = downloader.GetDownloadedStatus();
if (status == null)
{ // download done
Write(@"Could not get a status on the file. Might have exited with error.", NotificationLevel.Error);
SyncDownloadInfo(status);
OnSaveProgress();
break;
}
download.IsDownloading = downloader.IsConversionActive;
SyncDownloadInfo(status);
OnSaveProgress();
Write(string.Format(@"{1}/{0}, {2}%, {3} ",
status.DownloadTotal, status.DownloadCurrent,
status.PercentComplete, status.CurrentFileSize), NotificationLevel.Tip);
if (status.PercentComplete > 100)
{
Logger.TraceWarn("Download of {0} went beyond 100%. Stopping automatically.", download.Path);
break;
}
Thread.Sleep(5000); // give a chance to read the download queue and for listeners to keep up
}
if (Interrupted)
{
bool fileDeleted = false;
try
{
File.Delete(downloader.GetPlaybackFile().FullName);
fileDeleted = true;
}
catch (Exception)
{
Write(@"Could not delete the file after it was interrupted.");
}
finally
{
var filePath = DownloadInfo.Download.FilePath;
if (fileDeleted)
{
filePath = string.Empty;
}
// clear everything except the number of download attempts
var downloadAttemptedCount = DownloadInfo.Download.DownloadAttemptedCount;
DownloadInfo.Download.Clear();
DownloadInfo.Download.DownloadAttemptedCount = downloadAttemptedCount;
DownloadInfo.Download.FilePath = filePath;
DownloadInfo.Download.IsDownloading = false;
OnSaveProgress();
}
}
else
{
OnSaveProgress();
Write(@"Completed " + path);
}
}
else
{
var message = @"Download was interrupted " + path;
Write(message);
throw new DownloadInterruptedException(message);
}
}