public static function refreshUrl($mdl_mediaelementjs)
{
$url = $mdl_mediaelementjs->externalurl;
if (strpos($url, 'institution/getUserStorageFile?')) {
$file_param = self::FILE_GET_PARAMETER . '=';
$str_start = strpos($url, $file_param);
if ($str_start) {
$short_name = GcrEschoolTable::parseShortNameFromUrl($url);
$app = GcrInstitutionTable::getApp($short_name);
$institution = $app->getInstitution();
$short_name = $institution->getShortName();
$str_start += strlen($file_param);
$str_end = strpos($url, '&', $str_start);
$filename = substr($url, $str_start, $str_end - $str_start);
$filename = urldecode($filename);
$str_start = strpos($url, '&app=');
if ($str_start) {
$str_start += strlen('&app=');
$str_end = strpos($url, '&', $str_start);
$short_name_user_app = substr($url, $str_start, $str_end - $str_start);
$user_app = GcrInstitutionTable::getApp($short_name_user_app);
if ($user_app) {
$short_name = $short_name_user_app;
}
}
$params = array(self::FILE_GET_PARAMETER => $filename, 'course_id' => $mdl_mediaelementjs->course, 'app' => $short_name);
$mdl_mediaelementjs->externalurl = GcrStorageAccessS3::generateStaticUrl($filename, $params, $app);
}
}
return $mdl_mediaelementjs;
}
