private Task <byte[]> downloadImage(ThumbnailRequest request, string url)
{
var trackingId = request.Srv.TrackingId;
byte[] download()
{
try
{
_log.info(trackingId, () => $"Downloading '{url}'");
using (var web = new WebClient())
{
return
(web.DownloadData(url));
}
}
catch (Exception ex)
{
_log.error(trackingId, ex, $"Failed to download '{url}' ({ex.Message})");
return
(_helpers.TextToImage(request.Width, request.Height, $"{ex.Message} (trackingId={trackingId})"));
}
}
return
(Task.Run(() => download()));
}
private Image mem2image(string trackingId, MemoryStream mem)
{
try
{
return
(Image.FromStream(mem));
}
catch (Exception ex)
{
_log.error(trackingId, ex, $"Failed to create image from data; {ex.Message}");
return(null);
}
}