def aggregate_order(self, customer: str, max_items_quantity: int, max_volume: int):
        """
        Create an order for customer which contains order lines added by add_item method.

        Iterate over added orders items and add them to order if they are for given customer
        and can fit to the order.

        :param customer: Customer's name to create an order for.
        :param max_items_quantity: Maximum amount on items in order.
        :param max_volume: Maximum volume of order. All items volumes must not exceed this value.
        :return: Order.
        """
        current_volume = 0
        current_quantity = 0
        orders = []
        for i in self.order_items:
            if customer == i.customer and current_volume <= max_volume and current_quantity <= max_items_quantity:
                current_volume += (i.quantity * i.one_item_volume)
                current_quantity += i.quantity
                orders.append(i)
        return Order(orders)