try {
//Register a new error handler to handle libxml specific errors
$originalHandler = set_error_handler("libxml_error_handler");
//Create a new DomDocument object and load the XML data into it
$xmldata = new DomDocument();
$xmldata->loadXML($data, LIBXML_NOBLANKS | LIBXML_NOCDATA | LIBXML_NOENT);
//Remove whitespaces from the data
purifyXML($xmldata->documentElement);
//Restore the original error handler
set_error_handler($originalHandler);
//Retrieve the database configuration
$dbconf = $config->Database;
//Make sure the username is registered with this application
$db = new Database($dbconf['host'], $dbconf['user'], $dbconf['pass'], $dbconf['name'], $dbconf['port']);
//Store the data in the database
$finaldata = $db->getSubjectFinalData($label);
if ($finaldata['locked'] == '1') {
$user = $db->searchUserByID($finaldata['aclID']);
if (empty($user)) {
$username = "******";
} else {
$username = $user['username'];
}
$date = $finaldata['datetimeModified'];
ajax_error("Oops! Subject {$label} has been already locked by {$username} at {$date}.");
} else {
$db->storeFinalForm($label, $_SESSION['aclID'], $xmldata->saveXML(), $lock);
$result = array("success" => 1, "subject" => $label);
}
ajax_result($result);
} catch (\Exception $e) {
/** Returns the subject's final data as XML.
* @param String $subjectLabel
* @param Database $db
* @return DomDocument The Subject data as XML
*/
function getSubjectFinalDataAsXML($subjectLabel, Database $db)
{
if (empty($subjectLabel)) {
throw new Exception("Empty subject label.");
}
//Retrieve the form data
$result = $db->getSubjectFinalData($subjectLabel);
if (empty($result) || !strlen($result['data'])) {
return NULL;
}
//Register a new error handler to handle libxml specific errors
$originalHandler = set_error_handler("libxml_error_handler");
//Create an XML document to store all the data (properly)
$xmldoc = new DomDocument();
if (empty($result['data'])) {
$result['data'] = '<result/>';
}
$xmldoc->loadXML($result['data']);
$xmldoc->documentElement->setAttribute('locked', $result['locked']);
$xmldoc->documentElement->setAttribute('subject', $subjectLabel);
$xmldoc->documentElement->setAttribute('aclID', $result['aclID']);
if (!empty($originalHandler)) {
set_error_handler($originalHandler);
}
return $xmldoc;
}
