Стоимость доставки minishop2 из двух условий

$weight_price = $delivery->get('weight_price');
        $cart_weight = $cart['total_weight'];
        $cost += $weight_price * $cart_weight;

        $free_delivery_amount = $delivery->get('free_delivery_amount');
        
        if ($free_delivery_amount > 0 && $free_delivery_amount <= $cart['total_cost']) {
            $add_price = 0;
        } else {
            $add_price = $delivery->get('price');
            if (preg_match('/%$/', $add_price)) {
                $add_price = str_replace('%', '', $add_price);
                $add_price = $cost / 100 * $add_price;
            }
        }

        $cost += $add_price;

        return $cost;
    }