VariableRule.php

<?php
 
namespace Bitrix\Catalog\Access\Rule;
 
use Bitrix\Catalog\Access\Permission\PermissionDictionary;
use Bitrix\Catalog\Config\Feature;
 
class VariableRule extends BaseRule
{
    public function getPermissionMultiValues($params): ?array
    {
        if (!Feature::isAccessControllerCheckingEnabled())
        {
            return [$this->getAllValue()];
        }
 
        $permissionCode = static::getPermissionCode($params);
 
        $values = $this->user->getPermissionMulti($permissionCode);
        return $values ? array_intersect($values, $this->getAvailableValues()): null;
    }
 
    protected function getAvailableValues(): array
    {
        $values = $this->loadAvailableValues();
        $values[] = $this->getAllValue();
 
        return $values;
    }
 
    protected function loadAvailableValues(): array
    {
        return [];
    }
 
    protected function getAllValue(): int
    {
        return PermissionDictionary::VALUE_VARIATION_ALL;
    }
 
    protected function check($params): bool
    {
        $values = $this->getPermissionMultiValues($params);
        if (!$values)
        {
            return false;
        }
 
        if (
            (!isset($params['value']) && !empty($values))
            || in_array($this->getAllValue(), $values, true)
        )
        {
            return true;
        }
 
        $checkStoreIds = (array)($params['value'] ?? []);
 
        return empty(
            array_diff($checkStoreIds, $values)
        );
    }
}