/**
* Process download a file
*/
public function download_file()
{
$Itemid = JRequest::getInt('Itemid');
$filePath = 'media/com_osmembership/upload';
$fileName = JRequest::getVar('file_name', '');
if (file_exists(JPATH_ROOT . '/' . $filePath . '/' . $fileName)) {
while (@ob_end_clean()) {
}
OSMembershipHelper::processDownload(JPATH_ROOT . '/' . $filePath . '/' . $fileName, $fileName, true);
exit;
} else {
JFactory::getApplication()->redirect('index.php?option=com_osmembership&Itemid=' . $Itemid, JText::_('OSM_FILE_NOT_EXIST'));
}
}