public function buildWhere()
    {
        // we override this to add our shop if we are not malladmin
        $this->_aWhere = parent::buildWhere();
        if (!\OxidEsales\Eshop\Core\Registry::getSession()->getVariable('malladmin')) {
            // we only allow to see our shop
            $this->_aWhere[getViewName("oxshops") . ".oxid"] = \OxidEsales\Eshop\Core\Registry::getSession()->getVariable("actshop");
        }

        return $this->_aWhere;
    }