public override async Task StartAsync()
{
try
{
if (_bucket != null)
{
_entries = new List <IEntry>();
var children = await _bucket.ListAllEntries(string.Empty, false);
foreach (var child in children)
{
_entries.Add(child);
}
}
foreach (var directory in _entries.Where(e => e.IsDirectory).ToArray())
{
_entries.Remove(directory);
var children = await directory.ListAllBlobsAsync();
foreach (var child in children)
{
_entries.Add(child);
}
}
var blobs = _entries.OfType <IBlob>().ToArray();
var total = blobs.Sum(f => f.Length);
double done = 0;
int count = blobs.Length;
int processed = 1;
foreach (var blob in blobs)
{
_tokenSource.Token.ThrowIfCancellationRequested();
Text = $"Downloading {count} blobs ({processed}: '{blob.Key}')...";
var progress = new Progress <long>();
progress.ProgressChanged += (s, transferred) =>
{
Progress = (done + transferred) / total;
};
var path = Path.Combine(_localFolderPath, PathHelper.GetParent(blob.Key));
if (Directory.Exists(path) == false)
{
Directory.CreateDirectory(path);
}
var fullPath = Path.Combine(_localFolderPath, blob.Key);
using (var output = File.OpenWrite(fullPath))
{
await blob.DownloadToStreamAsync(output, progress, _tokenSource.Token);
}
done += blob.Length;
processed++;
Progress = done / total;
}
OnSucceeded();
}
catch (Exception ex)
{
OnFailed(ex.Message);
}
}