Collab.php

См. документацию.

<?php
 
namespace Bitrix\Im\V2\Controller\Recent;
 
use Bitrix\Im\V2\Controller\BaseController;
use Bitrix\Im\V2\Recent\RecentCollab;
use Bitrix\Im\V2\Recent\RecentError;
use Bitrix\Main\Type\DateTime;
 
class Collab extends BaseController
{

    public function tailAction(int $limit = 50, array $filter = []): ?array
    {
        if (isset($filter['lastMessageDate']))
        {
            if (!DateTime::isCorrect($filter['lastMessageDate'], \DateTimeInterface::RFC3339))
            {
                $this->addError(new RecentError(RecentError::WRONG_DATETIME_FORMAT));
 
                return null;
            }
 
            $filter['lastMessageDate'] = new DateTime($filter['lastMessageDate'], \DateTimeInterface::RFC3339);
        }
 
        $limit = $this->getLimit($limit);
        $recent = RecentCollab::getCollabs($limit, $filter['lastMessageDate'] ?? null);
 
        return $this->toRestFormatWithPaginationData([$recent], $limit, $recent->count());
    }
}