/**
* Dereference the file referenced by an assessmentItemRef and add
* outcome/responseDeclarations to the compact one.
*
* @param \qtism\data\ExtendedAssessmentItemRef $compactAssessmentItemRef A previously instantiated ExtendedAssessmentItemRef object.
* @param \qtism\data\storage\FileResolver $resolver The Resolver to be used to resolver AssessmentItemRef's href attribute.
* @throws \qtism\data\storage\xml\XmlStorageException If an error occurs (e.g. file not found at URI or unmarshalling issue) during the dereferencing.
*/
protected static function resolveAssessmentItemRef(ExtendedAssessmentItemRef $compactAssessmentItemRef, FileResolver $resolver)
{
try {
$href = $resolver->resolve($compactAssessmentItemRef->getHref());
$doc = new XmlDocument();
$doc->load($href);
$item = $doc->getDocumentComponent();
foreach ($item->getResponseDeclarations() as $resp) {
$compactAssessmentItemRef->addResponseDeclaration($resp);
}
foreach ($item->getOutcomeDeclarations() as $out) {
$compactAssessmentItemRef->addOutcomeDeclaration($out);
}
foreach ($item->getTemplateDeclarations() as $tpl) {
$compactAssessmentItemRef->addTemplateDeclaration($tpl);
}
foreach ($item->getModalFeedbackRules() as $modalFeedbackRule) {
$compactAssessmentItemRef->addModalFeedbackRule($modalFeedbackRule);
}
if ($item->hasResponseProcessing() === true) {
$compactAssessmentItemRef->setResponseProcessing($item->getResponseProcessing());
}
if ($item->hasTemplateProcessing() === true) {
$compactAssessmentItemRef->setTemplateProcessing($item->getTemplateProcessing());
}
$compactAssessmentItemRef->setShufflings($item->getShufflings());
$compactAssessmentItemRef->setAdaptive($item->isAdaptive());
$compactAssessmentItemRef->setTimeDependent($item->isTimeDependent());
$compactAssessmentItemRef->setEndAttemptIdentifiers($item->getEndAttemptIdentifiers());
} catch (Exception $e) {
$msg = "An error occured while unreferencing file '{$href}'.";
throw new XmlStorageException($msg, XmlStorageException::RESOLUTION, $e);
}
}
