Channel.php

См. документацию.

<?php
 
namespace Bitrix\Im\V2\Controller\Recent;
 
use Bitrix\Im\V2\Chat\OpenChannelChat;
use Bitrix\Im\V2\Controller\BaseController;
use Bitrix\Im\V2\Recent\RecentChannel;
use Bitrix\Intranet\ActionFilter\IntranetUser;
use Bitrix\Main\Loader;
 
class Channel extends BaseController
{

    public function tailAction(int $limit = 50, array $filter = []): ?array
    {
        $limit = $this->getLimit($limit);
        $recent = RecentChannel::getOpenChannels($limit, $filter['lastMessageId'] ?? null);
 
        return $this->toRestFormatWithPaginationData([$recent], $limit, $recent->count());
    }

    public function extendPullWatchAction(): ?array
    {
        OpenChannelChat::extendPullWatchToCommonList();
 
        return ['result' => true];
    }
 
    protected function getDefaultPreFilters()
    {
        $prefilters = parent::getDefaultPreFilters();
 
        if (Loader::includeModule('intranet'))
        {
            $prefilters[] = new IntranetUser();
        }
 
        return $prefilters;
    }
}