MemberCollection.php

См. документацию.

<?php
 
declare(strict_types=1);
 
namespace Bitrix\Im\V2\Chat\Member;
 
use Bitrix\Im\V2\Chat\Member\Provider\MemberProvider;
use Bitrix\Im\V2\Entity\EntityCollection;

class MemberCollection extends EntityCollection
{
    public static function getRestEntityName(): string
    {
        return 'members';
    }
 
    public static function initByRawResult(array $rawResult): static
    {
        $collection = new static();
 
        foreach ($rawResult as $row)
        {
            $collection[] = new MemberItem((int)$row['ID'], (int)$row['USER_ID'], $row['ROLE']);
        }
 
        return $collection;
    }
 
    public function getNextCursor(int $limit): ?MemberCursor
    {
        if ($this->count() < $limit)
        {
            return null;
        }
 
        $maxRole = null;
        $maxRolePriority = 0;
        $maxId = 0;
 
        foreach ($this as $item)
        {
            $rolePriority = MemberProvider::ROLE_PRIORITY_MAP[$item->getRole()];
            if ($rolePriority > $maxRolePriority)
            {
                $maxRole = $item->getRole();
                $maxRolePriority = $rolePriority;
                $maxId = $item->getId();
            }
            if ($item->getId() > $maxId)
            {
                $maxId = $item->getId();
            }
        }
 
        if ($maxRole === null || $maxId === null)
        {
            return null;
        }
 
        return new MemberCursor($maxRole, $maxId);
    }
}