php-flarum/src/Api/Controller/ListGroupsController.php

<?php

/*
 * This file is part of Flarum.
 *
 * For detailed copyright and license information, please view the
 * LICENSE file that was distributed with this source code.
 */

namespace Flarum\Api\Controller;

use Flarum\Api\Serializer\GroupSerializer;
use Flarum\Group\Group;
use Flarum\Http\RequestUtil;
use Psr\Http\Message\ServerRequestInterface;
use Tobscure\JsonApi\Document;

class ListGroupsController extends AbstractListController
{
    /**
     * {@inheritdoc}
     */
    public $serializer = GroupSerializer::class;

    /**
     * {@inheritdoc}
     */
    protected function data(ServerRequestInterface $request, Document $document)
    {
        $actor = RequestUtil::getActor($request);

        $results = Group::whereVisibleTo($actor)->get();

        $this->loadRelations($results, []);

        return $results;
    }
}