public void StartDownload(DownloadRequestBM request)
{
QueuedDownloadBM download = new QueuedDownloadBM(
downloadId: request.DownloadId,
downloadProgress: this.youtubeDl.PrepareDownload(request.MediaUri, request.Format, serviceConfig.DownloadPath)
);
runningDownloads.Add(download);
download.DownloadHandler.PercentageChanged += (o, e) => this.notifier.Notify(download.DownloadID, download.DownloadHandler.Status, e);
download.DownloadHandler.DownloadStatusChanged += (o, e) => {
this.notifier.Notify(download.DownloadID, e, download.DownloadHandler.Percentage);
if (e == DownloadState.Completed)
{
EventHandler_DownloadCompleted(download);
}
else if (e == DownloadState.Failed)
{
string errorOutput = download.DownloadHandler.ErrorMessage.Replace("\r", "\\r").Replace("\n", "\\n");
logger.LogError($"Error occurred during download: CommandLine='{download.DownloadHandler.CommandLine}' StdErr='{errorOutput}'");
}
};
download.DownloadHandler.Start();
this.logger.LogInformation($"Download started with GUID: {download.DownloadID}");
}
private void EventHandler_DownloadCompleted(QueuedDownloadBM download)
{
CompletedQueuedDownloadBM completedDownload = new CompletedQueuedDownloadBM(download.DownloadID, download.DownloadHandler, DateTime.UtcNow);
runningDownloads.Remove(download);
completedDownloads.Add(completedDownload);
cleanupService.MarkToCleanup(completedDownload);
this.logger.LogInformation($"Download completed with GUID: {download.DownloadID}");
}
public DownloadStatusBM GetDownloadStatus(Guid downloadID)
{
QueuedDownloadBM result = this.runningDownloads.Concat(this.completedDownloads).FirstOrDefault(x => x.DownloadID == downloadID);
if (result == null)
{
throw new InvalidOperationException($"Download not found with ID {downloadID}.");
}
return(new DownloadStatusBM(result.DownloadHandler.Percentage, result.DownloadHandler.Status));
}
