public function prepareGzip()
{
$input = JFactory::getApplication()->input;
$key = $input->get('key', '', 'cmd');
$options = array('key' => $key);
try {
$backup = new RSFormProBackup($options);
$archive = new RSFormProTar($backup->getPath());
// Need to make the archive valid now that we're done with it.
$archive->addFooter();
// Continue with GZIP archive creation
$this->showResponse(array('status' => 'ok', 'step' => 'prepare-gzip', 'chunks' => ceil($archive->getSize() / $archive->getChunkSize())));
} catch (Exception $e) {
$this->showError($e->getMessage());
}
}
