public async Task AppendAsync(Stream stream, IArchiveFileEntry fileEntry)
{
var filesystemTarget = GetEntryPath(fileEntry);
if (ExistsWithMatchingHash(fileEntry, filesystemTarget))
{
return;
}
Directory.CreateDirectory(Path.GetDirectoryName(filesystemTarget));
using (var fileStream = File.Open(filesystemTarget, FileMode.Create, FileAccess.ReadWrite,
FileShare.ReadWrite))
{
var source = Archive.HandleCompression(fileEntry, stream);
void ProgressCallback(long length, long progress)
{
var eventArgs = new ProgressUpdateEventArgs(fileEntry, progress, fileEntry.UncompressedSize);
OnProgressUpdated(eventArgs);
}
try
{
await source.CopyToAsync(fileStream, ProgressCallback);
}
finally
{
if (source != stream)
{
source.Close();
source.Dispose();
}
}
}
}
private void PatchWriter_ProgressUpdated(object sender, ProgressUpdateEventArgs e)
{
OnProgress(e);
}
protected virtual void OnProgress(ProgressUpdateEventArgs e)
{
Progress?.Invoke(this, e);
}
private void OnProgressUpdated(ProgressUpdateEventArgs eventArgs)
{
ProgressUpdated?.Invoke(this, eventArgs);
}