src/Biz/Activity/Type/Live.php

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<?php

namespace Biz\Activity\Type;

use AppBundle\Common\ArrayToolkit;
use Biz\Activity\ActivityException;
use Biz\Activity\Config\Activity;
use Biz\Activity\Dao\ActivityDao;
use Biz\Activity\Service\LiveActivityService;
use Biz\Common\CommonException;

class Live extends Activity
{
    protected function registerListeners()
    {
        return array(
            'watching' => 'Biz\Activity\Listener\LiveActivityWatchListener',
        );
    }

    public function preCreateCheck($fields)
    {
        if (!ArrayToolkit::requireds($fields, array('fromCourseId', 'startTime', 'length'), true)) {
            throw CommonException::ERROR_PARAMETER_MISSING();
        }

        $overlapTimeActivities = $this->getActivityDao()->findOverlapTimeActivitiesByCourseId(
            $fields['fromCourseId'],
            $fields['startTime'],
            $fields['startTime'] + $fields['length'] * 60
        );

        if ($overlapTimeActivities) {
            throw ActivityException::LIVE_OVERLAP_TIME();
        }
    }

    public function preUpdateCheck($activity, $newFields)
    {
        if (empty($newFields['startTime']) || empty($newFields['length'])) {
            return;
        }

        if (!ArrayToolkit::requireds($newFields, array('fromCourseId', 'startTime', 'length'), true)) {
            throw CommonException::ERROR_PARAMETER_MISSING();
        }

        $overlapTimeActivities = $this->getActivityDao()->findOverlapTimeActivitiesByCourseId(
            $newFields['fromCourseId'],
            $newFields['startTime'],
            $newFields['startTime'] + $newFields['length'] * 60,
            $activity['id']
        );

        if ($overlapTimeActivities) {
            throw ActivityException::LIVE_OVERLAP_TIME();
        }
    }

    public function create($fields)