public async Task <IEnumerable <FtpMetadata> > GetMetadata(FtpFilter filter, CancellationToken ctk = default)
{
IEnumerable <FtpMetadata> res = new FtpMetadata[0];
using (var cts1 = new CancellationTokenSource(_config.ListingTimeout))
using (var cts2 = CancellationTokenSource.CreateLinkedTokenSource(cts1.Token, ctk))
{
foreach (var f in filter.FoldersToWatch)
{
var list = await _ftpClient.ListFilesRecursiveAsync(f, x => filter.FolderFilter?.Invoke(x.FullPath) == false, ctk : cts2.Token).ConfigureAwait(false);
res = res.Concat(list.Select(e => new FtpMetadata(e)));
}
return(res.ToList());
}
}
