function download($id)
{
$dir = __DIR__ . '/../../files/courses/' . $id . '/';
if (file_exists($dir)) {
$data = $this->get(array('id' => $id));
$i = 0;
$data['name'] = preg_replace('/\\/|\\|\\?|\\%|\\*|\\:\\||\\"|\\<|\\>|\\+/', '', $data['name']);
$filename = '/var/tmp/' . $data['name'];
if (file_exists($filename . '.zip')) {
while (file_exists($filename . "({$i}).zip")) {
$i++;
if ($i > 10) {
break;
}
}
}
if ($i > 0) {
$filename .= "({$i}).zip";
} else {
$filename .= '.zip';
}
Zip::packDir($dir, $filename);
if (file_exists($filename)) {
header('Content-Description: File Transfer');
header('Content-Type: application/zip');
header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($filename));
readfile($filename);
unlink($filename);
}
return true;
}
}
