private async Task <Stream> TryDownloadPackage(IUpstreamNuGetSource source, string id, NuGetVersion version, CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return(Stream.Null);
}
try
{
return(await source.Client.DownloadPackageAsync(id, version, cancellationToken));
}
catch (PackageNotFoundException)
{
_logger.LogWarning(
$"Failed to download package {id} {version} from {source.Name}");
return(Stream.Null);
}
catch (Exception ex)
{
_logger.LogError(
ex,
$"Failed to mirror package {id} {version} from {source.Name}");
return(Stream.Null);
}
}
private async Task <T> RunOrNull <T>(IUpstreamNuGetSource source, string id, string data, Func <NuGetClient, Task <T> > func)
where T : class
{
try
{
return(await func(source.Client));
}
catch (Exception e)
{
_logger.LogError(e, $"Unable to mirror package {id}'s upstream {data} from {source.Name}");
return(null);
}
}