public function testSanitizeQtiXml()
{
$xmlStr = file_get_contents($this->getSamplePath('/authoring/sanitizeQtiXml.xml'));
$xml = simplexml_load_string($xmlStr);
$this->assertTrue(count($xml->xpath("//*[local-name() = 'itemBody']//*[@style]")) > 0);
$sanitizedXmlStr = Authoring::sanitizeQtiXml($xmlStr);
$sanitizedXml = simplexml_load_string($sanitizedXmlStr);
$this->assertTrue(count($sanitizedXml->xpath("//*[local-name() = 'itemBody']//*[@style]")) === 0);
return $sanitizedXmlStr;
}
public function testSanitizeQtiXmlMultipleIds()
{
$xmlStr = file_get_contents($this->getSamplePath('/authoring/sanitizeQtiXmlMultipleIds.xml'));
$xml = simplexml_load_string($xmlStr);
$duplicate = array();
$ids = array();
foreach ($xml->xpath("//*[@id]") as $idElement) {
$id = (string) $idElement['id'];
if (!in_array($id, $ids)) {
$ids[] = $id;
} else {
if (array_key_exists($id, $duplicate)) {
$duplicate[$id]++;
} else {
$duplicate[$id] = 2;
}
}
}
$this->assertCount(3, $duplicate);
$this->assertEquals(2, $duplicate['p001']);
$this->assertEquals(3, $duplicate['p002']);
$this->assertEquals(4, $duplicate['p003']);
$sanitizedXmlStr = Authoring::sanitizeQtiXml($xmlStr);
$sanitizedXml = simplexml_load_string($sanitizedXmlStr);
$duplicate = array();
$ids = array();
foreach ($sanitizedXml->xpath("//*[@id]") as $idElement) {
$id = (string) $idElement['id'];
if (!in_array($id, $ids)) {
$ids[] = $id;
} else {
if (array_key_exists($id, $duplicate)) {
$duplicate[$id]++;
} else {
$duplicate[$id] = 2;
}
}
}
$this->assertCount(0, $duplicate);
return $sanitizedXmlStr;
}
public function saveItem()
{
$returnValue = array('success' => false);
if ($this->hasRequestParameter('uri')) {
$uri = urldecode($this->getRequestParameter('uri'));
$xml = file_get_contents('php://input');
$rdfItem = new core_kernel_classes_Resource($uri);
$itemService = taoItems_models_classes_ItemsService::singleton();
//check if the item is QTI item
if ($itemService->hasItemModel($rdfItem, array(ItemModel::MODEL_URI))) {
try {
$sanitized = Authoring::sanitizeQtiXml($xml);
Authoring::validateQtiXml($sanitized);
//get the QTI xml
$returnValue['success'] = $itemService->setItemContent($rdfItem, $sanitized);
} catch (QtiModelException $e) {
throw new \RuntimeException($e->getUserMessage(), 0, $e);
}
}
}
$this->returnJson($returnValue);
}
protected function createQtiItemModel($qtiFile, $validate = true)
{
$qtiXml = Authoring::sanitizeQtiXml($qtiFile);
//validate the file to import
$qtiParser = new Parser($qtiXml);
if ($validate) {
$basePath = common_ext_ExtensionsManager::singleton()->getExtensionById('taoQtiItem')->getDir();
$qtiParser->validate();
if (!$qtiParser->isValid()) {
$failedValidation = true;
$eStrs = array();
foreach ($qtiParser->getErrors() as $libXmlError) {
$eStrs[] = __('QTI-XML error at line %1$d "%2$s".', $libXmlError['line'], str_replace('[LibXMLError] ', '', trim($libXmlError['message'])));
}
// Make sure there are no duplicate...
$eStrs = array_unique($eStrs);
// Add sub-report.
throw new ValidationException($qtiFile, $eStrs);
}
}
$qtiItem = $qtiParser->load();
return $qtiItem;
}
protected function createQtiItemModel($qtiFile, $validate = true)
{
$qtiXml = Authoring::sanitizeQtiXml($qtiFile);
//validate the file to import
$qtiParser = new Parser($qtiXml);
if ($validate) {
$qtiParser->validate();
if (!$qtiParser->isValid()) {
$eStrs = array();
foreach ($qtiParser->getErrors() as $libXmlError) {
$eStrs[] = __('QTI-XML error at line %1$d "%2$s".', $libXmlError['line'], str_replace('[LibXMLError] ', '', trim($libXmlError['message'])));
}
// Make sure there are no duplicate...
$eStrs = array_unique($eStrs);
// Add sub-report.
throw new ValidationException($qtiFile, $eStrs);
}
}
$qtiItem = $qtiParser->load();
if (!$qtiItem && count($qtiParser->getErrors())) {
$errors = [];
foreach ($qtiParser->getErrors() as $error) {
$errors[] = $error['message'];
}
throw new ValidationException($qtiFile, $errors);
}
return $qtiItem;
}
/**
* @param $xml
* @param core_kernel_classes_Resource $rdfItem
* @return bool
* @throws exception\QtiModelException
*/
public function saveXmlItemToRdfItem($xml, core_kernel_classes_Resource $rdfItem)
{
$sanitized = Authoring::sanitizeQtiXml($xml);
Authoring::validateQtiXml($sanitized);
$qtiParser = new Parser($sanitized);
$qtiItem = $qtiParser->load();
return $this->saveDataItemToRdfItem($qtiItem, $rdfItem);
}
