public function fromJson($json)
{
$doc = new XmlDocument('2.1');
$converter = new taoQtiTest_models_classes_QtiTestConverter($doc);
$converter->fromJson($json);
return $doc;
}
/**
* packTest implementation for QTI
* @see {@link Packable}
* @throws InvalidArgumentException
* @throws common_Exception
*/
public function packTest(core_kernel_classes_Resource $test)
{
$testPack = null;
try {
$qtiTestService = taoQtiTest_models_classes_QtiTestService::singleton();
$doc = $qtiTestService->getDoc($test);
$converter = new \taoQtiTest_models_classes_QtiTestConverter($doc);
$items = array();
foreach ($qtiTestService->getItems($test) as $item) {
$items[$item->getUri()] = (new Packer($item, ''))->setServiceLocator(ServiceManager::getServiceManager())->pack();
}
$testPack = new TestPack(self::$testType, $converter->toArray(), $items);
} catch (common_Exception $e) {
throw new common_Exception('Unable to pack test ' . $test->getUri() . ' : ' . $e->getMessage());
}
return $testPack;
}
