CheckDisappearingDuration.php

<?php
 
namespace Bitrix\Im\V2\Controller\Filter;
 
use Bitrix\Im\V2\Chat\ChatError;
use Bitrix\Im\V2\Message\Delete\DisappearService;
use Bitrix\Main\Engine\ActionFilter\Base;
use Bitrix\Main\Event;
use Bitrix\Main\EventResult;
 
class CheckDisappearingDuration extends Base
{
    public function onBeforeAction(Event $event)
    {
        $arguments = $this->getAction()->getArguments();
        $hours = $arguments['hours'];
        if (is_numeric($hours) && (int)$hours > -1 && in_array($hours, DisappearService::TIME_WHITELIST))
        {
            return null;
        }
 
        $this->addError(new ChatError(ChatError::WRONG_DISAPPEARING_DURATION, 'Wrong disappearing duration'));
        return new EventResult(EventResult::ERROR, null, null, $this);
    }
}