src/Biz/Classroom/Event/ClassroomEventSubscriber.php

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<?php

namespace Biz\Classroom\Event;

use AppBundle\Common\StringToolkit;
use Biz\Taxonomy\TagOwnerManager;
use Codeages\Biz\Framework\Event\Event;
use Biz\User\Service\NotificationService;
use Biz\Classroom\Service\ClassroomService;
use Codeages\PluginBundle\Event\EventSubscriber;
use Biz\Classroom\Service\ClassroomReviewService;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class ClassroomEventSubscriber extends EventSubscriber implements EventSubscriberInterface
{
    public static function getSubscribedEvents()
    {
        return array(
            'classroom.delete' => 'onClassroomDelete',
            'classroom.course.create' => 'onClassroomCourseChange',
            'classroom.course.delete' => 'onClassroomCourseChange',
            'classroom.course.update' => 'onClassroomCourseChange',
            'classroom.update' => 'onClassroomUpdate',
            'classReview.add' => 'onReviewCreate',
        );
    }

    public function onClassroomDelete(Event $event)
    {
        $classroom = $event->getSubject();
        $tagOwnerManager = new TagOwnerManager('classroom', $classroom['id']);
        $tagOwnerManager->delete();
    }

    public function onClassroomCourseChange(Event $event)
    {
        $classroom = $event->getSubject();
        $classroomId = $classroom['id'];
        $courseNum = $this->getClassroomService()->countCoursesByClassroomId($classroomId);
        $taskNum = $this->getClassroomService()->countCourseTasksByClassroomId($classroomId);

        $fields = array('courseNum' => $courseNum, 'lessonNum' => $taskNum);
        $this->getClassroomService()->updateClassroom($classroomId, $fields);
        $this->getClassroomService()->updateClassroomTeachers($classroomId);
    }

    public function onClassroomUpdate(Event $event)
    {
        $arguments = $event->getSubject();
        $userId = $arguments['userId'];
        $classroom = $arguments['classroom'];
        $fields = $arguments['fields'];

        if (isset($fields['tagIds'])) {
            $tagOwnerManager = new TagOwnerManager('classroom', $classroom['id'], $fields['tagIds'], $userId);
            $tagOwnerManager->update();
        }
    }

    public function onReviewCreate(Event $event)