SearchFilter.php

См. документацию.

<?php
 
namespace Bitrix\Socialnetwork\Space\List\Query\Filter\Search;
 
use Bitrix\Main\ORM\Query\Filter\ConditionTree;
use Bitrix\Main\ORM\Query\Query;
use Bitrix\Socialnetwork\Space\List\Query\Filter\FilterInterface;
 
final class SearchFilter implements FilterInterface
{
    public function __construct(private string $searchString)
    {}
 
    public function apply(Query $query): void
    {
        $searchStringPrepared = addcslashes($this->searchString, '%_');
 
        $query->where(Query::filter()
            ->logic(ConditionTree::LOGIC_OR)
            ->whereLike('NAME', "%$searchStringPrepared%")
            ->whereLike('TAG.NAME', "%$searchStringPrepared%")
        );
 
        $query->setGroup('ID');
    }
}