src/EventSubscriber/ElExamAnswerSubscriber.php line 29

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  1. <?php
  3. namespace App\EventSubscriber;
  5. use App\Entity\ElCourseJoin;
  6. use App\Entity\ElExamAnswer;
  7. use App\Entity\ElExamAttempt;
  8. use App\Entity\ElExamQuestion;
  9. use Doctrine\ORM\EntityManagerInterface;
  10. use App\Event\ElExamAnswerPreUpdateEvent;
  11. use App\Event\ElExamAnswerPostPersistEvent;
  12. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  14. class ElExamAnswerSubscriber implements EventSubscriberInterface
  15. {
  16.     public function __construct(
  17.         private EntityManagerInterface $_em
  18.     ) {
  19.     }
  21.     public static function getSubscribedEvents(): array
  22.     {
  23.         return [
  24.             ElExamAnswerPostPersistEvent::NAME => 'onPostPersist',
  25.             ElExamAnswerPreUpdateEvent::NAME => 'onPreUpdate'
  26.         ];
  27.     }
  29.     public function onPostPersist(ElExamAnswerPostPersistEvent $event)
  30.     {
  31.         $object = $event->getObject();
  32.         $elExamAttempt = $object->getElExamAttempt();
  33.         if ($elExamAttempt) {
  34.             $elExamAttempt->setCurrentQuestionId($object->getElExamQuestion()->getId());
  35.             $this->_em->persist($elExamAttempt);
  36.             $this->_em->flush();
  37.         }
  38.     }
  40.     public function onPreUpdate(ElExamAnswerPreUpdateEvent $event)
  41.     {
  42.         $data = $event->getObject();
  43.         $elExamAttempt = $data->getElExamAttempt();
  44.         if ($elExamAttempt->getStatus() === ElExamAttempt::STATUSEXAMATTEMPT_STARTED) {
  45.             $elExamQuestion = $data->getElExamQuestion();
  46.             $elExam = $elExamQuestion->getElExam();
  47.             if ($elExamQuestion->getQuestionType() === ElExamQuestion::QUESTIONTYPE_SINGLE) {
  48.                 $options = $elExamQuestion->getElExamOptions();
  49.                 $data->setIsCorrect(false);
  50.                 foreach ($options as $option) {
  51.                     if ($option->getIsCorrect() && $option->getId() == $data->getAnswer()) {
  52.                         $data->setIsCorrect(true);
  53.                         break;
  54.                     }
  55.                 }
  56.                 if ($elExam->getIsOnlyChoiceQuestion()) {
  57.                     $data->setGivenPoint($data->getIsCorrect() ? $elExamQuestion->getCorrectPoint() : $elExamQuestion->getWrongPoint());
  58.                 }
  59.             } elseif ($elExamQuestion->getQuestionType() === ElExamQuestion::QUESTIONTYPE_MULTI) {
  60.                 $options = $elExamQuestion->getElExamOptions();
  61.                 $answers = $data->getAnswer();
  62.                 $correctOptions = [];
  63.                 if ($answers) {
  64.                     $answers = explode(",", $answers);
  65.                     sort($answers);
  66.                     foreach ($options as $option) {
  67.                         if ($option->getIsCorrect()) {
  68.                             $correctOptions[] = $option->getId();
  69.                         }
  70.                     }
  71.                     sort($correctOptions);
  72.                 }
  73.                 $data->setIsCorrect($answers == $correctOptions);
  74.                 if ($elExam->getIsOnlyChoiceQuestion()) {
  75.                     $data->setGivenPoint($data->getIsCorrect() ? $elExamQuestion->getCorrectPoint() : $elExamQuestion->getWrongPoint());
  76.                 }
  77.             }
  78.         }
  79.     }
  80. }