protected override async Task ExecuteJob(IJobExecutionContext context)
{
VideoId = context.MergedJobDataMap.GetInt("VideoId");
shouldRetry = false;
video = dataContext.Videos.Find(VideoId);
if (video == null)
{
throw new ArgumentException($"Download failed - invalid video id {VideoId}.");
}
if (video.DownloadedPath != null)
{
throw new ArgumentException($"Download failed - video {VideoId} is already downloaded!");
}
var opts = ResolveDownloadOptions(video).ToArray();
shouldRetry = true;
log.LogInformation("Running youtube-dl with arguments: {0}", string.Join(" ", opts));
try
{
await ytdlService.UsingYoutubeDL(ytdl =>
{
int resultCode = ytdl.Run(opts,
ProcessStdout,
ProcessStderr,
timeoutMs: 24 * 3600 * 1000,
cancellationToken: cancellationTokenSrc.Token);
if (resultCode != 0)
{
throw new Exception($"videoId={VideoId}: Download failed!\n");
}
return(Task.CompletedTask);
});
}
catch (OperationCanceledException)
{
shouldRetry = false;
log.LogInformation("Video download was canceled!");
throw;
}
finally
{
videoDownloader.OnDownloadFinished(VideoId);
}
using (var @lock = await videoMutex.LockAsync())
{
video.DownloadedPath = outputPath;
video.DownloadedSize = await videoStorage.CalculateSize(video);
await dataContext.SaveChangesAsync();
}
log.LogInformation($"videoId={VideoId}: Download completed!");
}
