private byte[] InternalDownloadFile(PObject document, string actor)
{
var file = document?.GetSourceFile();
if (file == null)
return null;
byte[] bytes;
if (FileExtensionHelper.IsXpsAlike(file.Name))
{
bytes = _fileDownloadService.Download(document.Id, actor);
if (bytes != null)
return bytes;
}
var fileLoader = _contextService.GetFileLoader(actor);
bytes = fileLoader.Download(file.Id, file.Size);
return bytes;
}