src/Biz/Question/Event/QuestionSyncSubscriber.php

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<?php

namespace Biz\Question\Event;

use AppBundle\Common\ArrayToolkit;
use Biz\File\Service\UploadFileService;
use Codeages\Biz\Framework\Event\Event;
use Biz\Activity\Service\ActivityService;
use Biz\Question\Service\QuestionService;
use Biz\Course\Event\CourseSyncSubscriber;

class QuestionSyncSubscriber extends CourseSyncSubscriber
{
    public static function getSubscribedEvents()
    {
        return array(
            'question.create' => array('onQuestionCreate', 1),
            'question.update' => array('onQuestionUpdate', 1),
            'question.delete' => array('onQuestionDelete', 1),
        );
    }

    public function onQuestionCreate(Event $event)
    {
        $question = $event->getSubject();
        if ($question['copyId'] > 0) {
            return;
        }

        $copiedCourses = $this->findLockedCourseSetsWithCourses($question['courseSetId']);
        if (empty($copiedCourses)) {
            return;
        }

        $copiedCourseIds = ArrayToolkit::column($copiedCourses, 'id');
        $parentTasks = $this->findTasksByCopyIdAndCourseIds($question['lessonId'], $copiedCourseIds);
        $parentTasks = ArrayToolkit::index($parentTasks, 'courseId');

        $parentQuestions = array();
        if ($question['parentId'] > 0) {
            $parentQuestions = $this->findParentQuestionsByCopyId($question['parentId']);
        }

        $biz = $this->getBiz();
        $user = $biz['user'];
        //create questions
        $newQuestions = array();
        foreach ($copiedCourses as $courseSetId => $copiedCourse) {
            $fields = array(
                'type',
                'stem',
                'score',
                'answer',
                'analysis',
                'metas',
                'categoryId',
                'difficulty',
                'target',
                'subCount',
            );