private (torrent_handle torrentHandle, string downloadLocation, string name) AddToSession(string source)
{
using (var addTorrentParams = CreateAddTorrentParams(source))
{
var name = addTorrentParams.ti?.name() ?? addTorrentParams.name;
var infohash = addTorrentParams.ti?.info_hash() ?? addTorrentParams.info_hash();
var alreadyExists = _session.get_torrents().Any(t => t.info_hash() == infohash);
if (alreadyExists)
{
throw new OperationException("Torrent already exists");
}
var torrentHandle = _session.add_torrent(addTorrentParams);
var downloadLocation = Path.Combine(_downloadsFolder, name);
return(torrentHandle, downloadLocation, name);
}
}
/// <summary>
/// Download a movie asynchronously
/// </summary>
/// <param name="movie">The movie to download</param>
/// <param name="downloadProgress">Report download progress</param>
/// <param name="downloadRate">Report download rate</param>
/// <param name="ct">Cancellation token</param>
private async Task DownloadMovieAsync(MovieFull movie, IProgress <double> downloadProgress,
IProgress <double> downloadRate,
CancellationTokenSource ct)
{
await Task.Run(async() =>
{
using (var session = new session())
{
Logger.Info(
$"Start downloading movie : {movie.Title}");
IsDownloadingMovie = true;
downloadProgress?.Report(0d);
downloadRate?.Report(0d);
session.listen_on(6881, 6889);
var torrentUrl = movie.WatchInFullHdQuality
? movie.Torrents?.FirstOrDefault(torrent => torrent.Quality == "1080p")?.Url
: movie.Torrents?.FirstOrDefault(torrent => torrent.Quality == "720p")?.Url;
var result =
await
DownloadFileHelper.DownloadFileTaskAsync(torrentUrl,
Constants.TorrentDownloads + movie.ImdbCode + ".torrent", ct: ct);
var torrentPath = string.Empty;
if (result.Item3 == null && !string.IsNullOrEmpty(result.Item2))
{
torrentPath = result.Item2;
}
var addParams = new add_torrent_params
{
save_path = Constants.MovieDownloads,
ti = new torrent_info(torrentPath)
};
var handle = session.add_torrent(addParams);
handle.set_upload_limit(_settingsViewModel.DownloadLimit * 1024);
handle.set_download_limit(_settingsViewModel.UploadLimit * 1024);
// We have to download sequentially, so that we're able to play the movie without waiting
handle.set_sequential_download(true);
var alreadyBuffered = false;
while (IsDownloadingMovie)
{
var status = handle.status();
var progress = status.progress * 100d;
downloadProgress?.Report(progress);
downloadRate?.Report(Math.Round(status.download_rate / 1024d, 0));
handle.flush_cache();
if (handle.need_save_resume_data())
{
handle.save_resume_data(1);
}
if (progress >= Constants.MinimumBufferingBeforeMoviePlaying && !alreadyBuffered)
{
// Get movie file
foreach (
var filePath in
Directory.GetFiles(status.save_path + handle.torrent_file().name(),
"*" + Constants.VideoFileExtension)
)
{
alreadyBuffered = true;
movie.FilePath = new Uri(filePath);
Messenger.Default.Send(new PlayMovieMessage(movie));
}
}
try
{
await Task.Delay(1000, ct.Token);
}
catch (TaskCanceledException)
{
return;
}
}
}
}, ct.Token);
}
/// <summary>
/// Download a torrent
/// </summary>
/// <returns><see cref="Task"/></returns>
public async Task Download(T media, TorrentType torrentType, MediaType mediaType, string torrentPath,
int uploadLimit, int downloadLimit, IProgress <double> downloadProgress,
IProgress <BandwidthRate> bandwidthRate, IProgress <int> nbSeeds, IProgress <int> nbPeers, Action buffered,
Action cancelled,
CancellationTokenSource cts)
{
Logger.Info(
$"Start downloading : {torrentPath}");
await Task.Run(async() =>
{
using (var session = new session())
{
downloadProgress.Report(0d);
bandwidthRate.Report(new BandwidthRate
{
DownloadRate = 0d,
UploadRate = 0d
});
nbSeeds.Report(0);
nbPeers.Report(0);
string savePath = string.Empty;
switch (mediaType)
{
case MediaType.Movie:
savePath = _cacheService.MovieDownloads;
break;
case MediaType.Show:
savePath = _cacheService.ShowDownloads;
break;
case MediaType.Unkown:
savePath = _cacheService.DropFilesDownloads;
break;
}
if (torrentType == TorrentType.File)
{
using (var addParams = new add_torrent_params
{
save_path = savePath,
ti = new torrent_info(torrentPath)
})
using (var handle = session.add_torrent(addParams))
{
await HandleDownload(media, mediaType, uploadLimit, downloadLimit, downloadProgress,
bandwidthRate, nbSeeds, nbPeers, handle, session, buffered, cancelled, cts);
}
}
else
{
var magnet = new magnet_uri();
using (var error = new error_code())
{
var addParams = new add_torrent_params
{
save_path = savePath,
};
magnet.parse_magnet_uri(torrentPath, addParams, error);
using (var handle = session.add_torrent(addParams))
{
await HandleDownload(media, mediaType, uploadLimit, downloadLimit, downloadProgress,
bandwidthRate, nbSeeds, nbPeers, handle, session, buffered, cancelled, cts);
}
}
}
}
});
}
/// <summary>
/// Download a movie asynchronously
/// </summary>
/// <param name="movie">The movie to download</param>
/// <param name="downloadProgress">Report download progress</param>
/// <param name="downloadRate">Report download rate</param>
/// <param name="ct">Cancellation token</param>
private async Task DownloadMovieAsync(MovieFull movie, IProgress<double> downloadProgress,
IProgress<double> downloadRate,
CancellationTokenSource ct)
{
await Task.Run(async () =>
{
using (var session = new session())
{
Logger.Info(
$"Start downloading movie : {movie.Title}");
IsDownloadingMovie = true;
downloadProgress?.Report(0d);
downloadRate?.Report(0d);
session.listen_on(6881, 6889);
var torrentUrl = movie.WatchInFullHdQuality
? movie.Torrents?.FirstOrDefault(torrent => torrent.Quality == "1080p")?.Url
: movie.Torrents?.FirstOrDefault(torrent => torrent.Quality == "720p")?.Url;
var result =
await
DownloadFileHelper.DownloadFileTaskAsync(torrentUrl,
Constants.TorrentDownloads + movie.ImdbCode + ".torrent", ct: ct);
var torrentPath = string.Empty;
if (result.Item3 == null && !string.IsNullOrEmpty(result.Item2))
torrentPath = result.Item2;
var addParams = new add_torrent_params
{
save_path = Constants.MovieDownloads,
ti = new torrent_info(torrentPath)
};
var handle = session.add_torrent(addParams);
handle.set_upload_limit(_settingsViewModel.DownloadLimit*1024);
handle.set_download_limit(_settingsViewModel.UploadLimit*1024);
// We have to download sequentially, so that we're able to play the movie without waiting
handle.set_sequential_download(true);
var alreadyBuffered = false;
while (IsDownloadingMovie)
{
var status = handle.status();
var progress = status.progress*100d;
downloadProgress?.Report(progress);
downloadRate?.Report(Math.Round(status.download_rate/1024d, 0));
handle.flush_cache();
if (handle.need_save_resume_data())
handle.save_resume_data(1);
if (progress >= Constants.MinimumBufferingBeforeMoviePlaying && !alreadyBuffered)
{
// Get movie file
foreach (
var filePath in
Directory.GetFiles(status.save_path + handle.torrent_file().name(),
"*" + Constants.VideoFileExtension)
)
{
alreadyBuffered = true;
movie.FilePath = new Uri(filePath);
Messenger.Default.Send(new PlayMovieMessage(movie));
}
}
try
{
await Task.Delay(1000, ct.Token);
}
catch (TaskCanceledException)
{
return;
}
}
}
}, ct.Token);
}