/**
* (non-PHPdoc)
* @see tao_models_classes_export_ExportHandler::export()
*/
public function export($formValues, $destination)
{
$file = null;
if (isset($formValues['filename']) === true) {
$instances = is_string($formValues['instances']) ? array($formValues['instances']) : $formValues['instances'];
if (count($instances) > 0) {
$fileName = $formValues['filename'] . '_' . time() . '.zip';
$path = tao_helpers_File::concat(array($destination, $fileName));
if (tao_helpers_File::securityCheck($path, true) === false) {
throw new common_Exception('Unauthorized file name for QTI Test ZIP archive.');
}
// Create a new ZIP archive to store data related to the QTI Test.
$zip = new ZipArchive();
if ($zip->open($path, ZipArchive::CREATE) !== true) {
throw new common_Exception("Unable to create ZIP archive for QTI Test at location '" . $path . "'.");
}
// Create an empty IMS Manifest as a basis.
$manifest = taoQtiTest_helpers_Utils::emptyImsManifest();
foreach ($instances as $instance) {
$testResource = new core_kernel_classes_Resource($instance);
$testExporter = new taoQtiTest_models_classes_export_QtiTestExporter($testResource, $zip, $manifest);
common_Logger::d('Export ' . $instance);
$testExporter->export();
}
$file = $path;
$zip->close();
} else {
common_Logger::w("No instance in form to export");
}
} else {
common_Logger::w("Missing filename for QTI Test export using Export Handler '" . __CLASS__ . "'.");
}
return $file;
}
protected function createManifest()
{
return taoQtiTest_helpers_Utils::emptyImsManifest('2.1');
}