/**
* Imports a question in a JSON-decoded format.
*
* @param \stdClass $data
*
* @throws ValidationException if the question is not valid
* @throws \Exception if the question type import is not implemented
*/
public function importQuestion(\stdClass $data)
{
if (count($errors = $this->validator->validateQuestion($data)) > 0) {
throw new ValidationException('Question is not valid', $errors);
}
$handler = $this->handlerCollector->getHandlerForMimeType($data->type);
$question = new Question();
$question->setTitle($data->title);
$question->setInvite($data->title);
if (isset($data->hints)) {
foreach ($data->hints as $hintData) {
$hint = new Hint();
$hint->setValue($hintData->text);
$hint->setPenalty($hintData->penalty);
$question->addHint($hint);
$this->om->persist($hint);
}
}
if (isset($data->feedback)) {
$question->setFeedback($data->feedback);
}
$handler->persistInteractionDetails($question, $data);
$this->om->persist($question);
$this->om->flush();
}
/**
* Returns the contents of a hint and records a log asserting that the hint
* has been consulted for a given paper.
*
* @param Paper $paper
* @param Hint $hint
*
* @return string
*/
public function viewHint(Paper $paper, Hint $hint)
{
$log = $this->om->getRepository('UJMExoBundle:LinkHintPaper')->findOneBy(['paper' => $paper, 'hint' => $hint]);
if (!$log) {
$log = new LinkHintPaper($hint, $paper);
$this->om->persist($log);
$this->om->flush();
}
return $hint->getValue();
}
/**
* Returns whether a hint is related to a paper.
*
* @param Paper $paper
* @param Hint $hint
*
* @return bool
*/
public function hasHint(Paper $paper, Hint $hint)
{
$qb = $this->createQueryBuilder('p');
$count = $qb->select('COUNT(p)')->join('p.exercise', 'e')->join('e.steps', 's')->join('s.stepQuestions', 'sq')->where('e = :exercise')->andWhere('sq.question = :question')->setParameters(['question' => $hint->getQuestion(), 'exercise' => $paper->getExercise()])->getQuery()->getSingleScalarResult();
return 0 < $count;
}
public function hint(Question $question, $text, $penalty = 1)
{
$hint = new Hint();
$hint->setValue($text);
$hint->setPenalty($penalty);
$hint->setQuestion($question);
$this->om->persist($hint);
return $hint;
}
public function addHint(\UJM\ExoBundle\Entity\Hint $hint)
{
$this->hints[] = $hint;
//le choix est bien lié à l'entité interactionqcm, mais dans l'entité choice il faut
//aussi lier l'interactionqcm double travail avec les relations bidirectionnelles avec
//lesquelles il faut bien faire attention à garder les données cohérentes dans un autre
//script il faudra exécuter $interaction->addHint() qui garde la cohérence entre les
//deux entités, il ne faudra pas exécuter $hint->setInteraction(), car lui ne garde pas
// la cohérence
$hint->setInteraction($this);
}
