src/Biz/Course/Event/NoteEventSubscriber.php

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<?php

namespace Biz\Course\Event;

use Biz\Course\Service\CourseService;
use Biz\Course\Service\MemberService;
use Codeages\Biz\Framework\Event\Event;
use Biz\Course\Service\CourseSetService;
use Biz\Course\Service\CourseNoteService;
use Biz\Classroom\Service\ClassroomService;
use Codeages\PluginBundle\Event\EventSubscriber;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class NoteEventSubscriber extends EventSubscriber implements EventSubscriberInterface
{
    public static function getSubscribedEvents()
    {
        return array(
            'course.note.create' => 'onCourseNoteCreate',
            'course.note.update' => 'onCourseNoteUpdate',
            'course.note.delete' => 'onCourseNoteDelete',
            'course.note.liked' => 'onCourseNoteLike',
            'course.note.cancelLike' => 'onCourseNoteCancelLike',
        );
    }

    public function onCourseNoteCreate(Event $event)
    {
        $note = $event->getSubject();

        $classroom = $this->getClassroomService()->getClassroomByCourseId($note['courseId']);

        if ($classroom && $note['status'] == CourseNoteService::PUBLIC_STATUS) {
            $this->getClassroomService()->waveClassroom($classroom['id'], 'noteNum', +1);
        }

        $this->getCourseMemberService()->refreshMemberNoteNumber($note['courseId'], $note['userId']);
        $this->getCourseService()->updateCourseStatistics($note['courseId'], array('noteNum'));
        $this->getCourseSetService()->updateCourseSetStatistics($note['courseSetId'], array('noteNum'));
    }

    public function onCourseNoteUpdate(Event $event)
    {
        $note = $event->getSubject();
        $this->getCourseService()->updateCourseStatistics($note['courseId'], array('noteNum'));
        $this->getCourseSetService()->updateCourseSetStatistics($note['courseSetId'], array('noteNum'));
        $this->getCourseMemberService()->refreshMemberNoteNumber($note['courseId'], $note['userId']);

        $classroom = $this->getClassroomService()->getClassroomByCourseId($note['courseId']);

        if (empty($classroom)) {
            return;
        }

        $preStatus = $event->getArgument('preStatus');

        if ($note['status'] == CourseNoteService::PUBLIC_STATUS && $preStatus == CourseNoteService::PRIVATE_STATUS) {
            $this->getClassroomService()->waveClassroom($classroom['id'], 'noteNum', +1);
        }