/**
* In version v1, at least 1 item (e.g. “credit charge”) and at most 2 items
* must be in the cart (e.g. “purchase for my shop” and “shipment costs”).
* The limit is caused by the graphic layout of the payment gateway, in another
* version the limit will be much higher.
*
* @param CartItem $cartItem
*/
public function addCartItem(CartItem $cartItem)
{
$this->cart[] = $cartItem;
$this->totalAmount += $cartItem->getAmount();
}
