/**
* @dataProvider loadAssetHandlerProvider
*/
public function testLoadAssetHandler($itemSource, $expected, $exception = false)
{
if ($exception) {
$this->setExpectedException($exception);
}
$this->assertInstanceOf(AssetManager::class, $this->instance->loadAssetHandler($itemSource));
if (!$exception) {
$reflectionClass = new \ReflectionClass(AssetManager::class);
$reflectionProperty = $reflectionClass->getProperty('assetHandlers');
$reflectionProperty->setAccessible(true);
$assetHandlers = $reflectionProperty->getValue($this->instance);
$this->assertInstanceOf($expected, reset($assetHandlers));
}
}
/**
* @param $folder
* @param \oat\taoQtiItem\model\qti\Resource $qtiItemResource
* @param $itemClass
* @param array $dependencies
* @param array $metadataValues
* @param array $metadataInjectors
* @param array $metadataGuardians
* @param array $metadataClassLookups
* @param array $sharedFiles
* @param array $createdClass
* @return common_report_Report
* @throws common_exception_Error
*/
public function importQtiItem($folder, Resource $qtiItemResource, $itemClass, array $dependencies = array(), array $metadataValues = array(), array $metadataInjectors = array(), array $metadataGuardians = array(), array $metadataClassLookups = array(), array $sharedFiles = array(), &$createdClasses = array())
{
try {
$qtiService = Service::singleton();
//load the information about resources in the manifest
try {
$resourceIdentifier = $qtiItemResource->getIdentifier();
// Use the guardians to check whether or not the item has to be imported.
foreach ($metadataGuardians as $guardian) {
if (isset($metadataValues[$resourceIdentifier]) === true) {
if (($guard = $guardian->guard($metadataValues[$resourceIdentifier])) !== false) {
\common_Logger::i("Resource '{$resourceIdentifier}' is already stored in the database and will not be imported.");
$msg = __('The IMS QTI Item referenced as "%s" in the IMS Manifest file was already stored in the Item Bank.', $resourceIdentifier);
$report = common_report_Report::createInfo($msg, $guard);
// Simply do not import again.
return $report;
}
}
}
$targetClass = false;
// Use the classLookups to determine where the item has to go.
foreach ($metadataClassLookups as $classLookup) {
if (isset($metadataValues[$resourceIdentifier]) === true) {
\common_Logger::i("Target Class Lookup for resource '{$resourceIdentifier}' ...");
if (($targetClass = $classLookup->lookup($metadataValues[$resourceIdentifier])) !== false) {
\common_Logger::i("Class Lookup Successful. Resource '{$resourceIdentifier}' will be stored in RDFS Class '" . $targetClass->getUri() . "'.");
if ($classLookup instanceof MetadataClassLookupClassCreator) {
$createdClasses = $classLookup->createdClasses();
}
break;
}
}
}
$qtiFile = $folder . helpers_File::urlToPath($qtiItemResource->getFile());
common_Logger::i('file :: ' . $qtiItemResource->getFile());
$qtiModel = $this->createQtiItemModel($qtiFile);
$rdfItem = $this->createRdfItem($targetClass !== false ? $targetClass : $itemClass, $qtiModel);
$itemAssetManager = new AssetManager();
$itemAssetManager->setItemContent($qtiModel->toXML());
$itemAssetManager->setSource($folder);
/**
* Load asset handler following priority handler defined by you
* The first applicable will be used to import assets
*/
/** Portable element handler */
$peHandler = new PortableAssetHandler($qtiModel, dirname($qtiFile));
$itemAssetManager->loadAssetHandler($peHandler);
/** Shared stimulus handler */
$sharedStimulusHandler = new SharedStimulusAssetHandler();
$sharedStimulusHandler->setQtiModel($qtiModel)->setItemSource(new ItemMediaResolver($rdfItem, ''))->setSharedFiles($sharedFiles)->setParentPath($rdfItem->getLabel());
$itemAssetManager->loadAssetHandler($sharedStimulusHandler);
/** Local storage handler */
$localHandler = new LocalAssetHandler();
$localHandler->setItemSource(new LocalItemSource(array('item' => $rdfItem)));
$itemAssetManager->loadAssetHandler($localHandler);
$itemAssetManager->importAuxiliaryFiles($qtiItemResource)->importDependencyFiles($qtiItemResource, $dependencies);
$itemAssetManager->finalize();
$qtiModel = $this->createQtiItemModel($itemAssetManager->getItemContent(), false);
$qtiService->saveDataItemToRdfItem($qtiModel, $rdfItem);
// Finally, import metadata.
$this->importResourceMetadata($metadataValues, $qtiItemResource, $rdfItem, $metadataInjectors);
$eventManager = ServiceManager::getServiceManager()->get(EventManager::CONFIG_ID);
$eventManager->trigger(new ItemImported($rdfItem, $qtiModel));
$msg = __('The IMS QTI Item referenced as "%s" in the IMS Manifest file was successfully imported.', $qtiItemResource->getIdentifier());
$report = common_report_Report::createSuccess($msg, $rdfItem);
} catch (ParsingException $e) {
$message = $e->getUserMessage();
$report = new common_report_Report(common_report_Report::TYPE_ERROR, $message);
} catch (ValidationException $ve) {
$report = common_report_Report::createFailure(__('IMS QTI Item referenced as "%s" in the IMS Manifest file could not be imported.', $qtiItemResource->getIdentifier()));
$report->add($ve->getReport());
} catch (XmlStorageException $e) {
$files = array();
$message = __('There are errors in the following shared stimulus : ') . PHP_EOL;
/** @var \LibXMLError $error */
foreach ($e->getErrors() as $error) {
if (!in_array($error->file, $files)) {
$files[] = $error->file;
$message .= '- ' . basename($error->file) . ' :' . PHP_EOL;
}
$message .= $error->message . ' at line : ' . $error->line . PHP_EOL;
}
$report = new common_report_Report(common_report_Report::TYPE_ERROR, $message);
} catch (PortableElementInvalidModelException $pe) {
$report = common_report_Report::createFailure(__('IMS QTI Item referenced as "%s" contains a portable element and cannot be imported.', $qtiItemResource->getIdentifier()));
$report->add($pe->getReport());
if (isset($rdfItem) && !is_null($rdfItem) && $rdfItem->exists()) {
$rdfItem->delete();
}
} catch (PortableElementException $e) {
// an error occured during a specific item
if ($e instanceof common_exception_UserReadableException) {
$msg = __('Error on item %1$s : %2$s', $qtiItemResource->getIdentifier(), $e->getUserMessage());
} else {
$msg = __('Error on item %s', $qtiItemResource->getIdentifier());
common_Logger::d($e->getMessage());
}
$report = new common_report_Report(common_report_Report::TYPE_ERROR, $msg);
if (isset($rdfItem) && !is_null($rdfItem) && $rdfItem->exists()) {
$rdfItem->delete();
}
} catch (Exception $e) {
// an error occured during a specific item
$report = new common_report_Report(common_report_Report::TYPE_ERROR, __("An unknown error occured while importing the IMS QTI Package."));
if (isset($rdfItem) && !is_null($rdfItem) && $rdfItem->exists()) {
$rdfItem->delete();
}
common_Logger::e($e->getMessage());
}
} catch (ValidationException $ve) {
$validationReport = common_report_Report::createFailure("The IMS Manifest file could not be validated");
$validationReport->add($ve->getReport());
$report->setMessage(__("No Items could be imported from the given IMS QTI package."));
$report->setType(common_report_Report::TYPE_ERROR);
$report->add($validationReport);
} catch (common_exception_UserReadableException $e) {
$report = new common_report_Report(common_report_Report::TYPE_ERROR, __($e->getUserMessage()));
$report->add($e);
}
return $report;
}