/**
* When a cart goes below 0 (due to discounts), set the amount to 0.
*
* @param CartInterface $cart Cart
*/
public function validateNegativeAmount(CartInterface $cart)
{
$amount = $cart->getAmount();
if ($amount->getAmount() <= 0) {
$cart->setAmount(Money::create(0, $amount->getCurrency()));
}
}
/**
* Load cart total price.
*
* @param CartInterface $cart Cart
*/
public function loadCartTotalAmount(CartInterface $cart)
{
$currency = $this->currencyWrapper->get();
$finalAmount = clone $cart->getPurchasableAmount();
/**
* Calculates the shipping amount.
*/
$shippingAmount = $cart->getShippingAmount();
if ($shippingAmount instanceof MoneyInterface) {
$convertedShippingAmount = $this->currencyConverter->convertMoney($shippingAmount, $currency);
$finalAmount = $finalAmount->add($convertedShippingAmount);
}
/**
* Calculates the coupon amount.
*/
$couponAmount = $cart->getCouponAmount();
if ($couponAmount instanceof MoneyInterface) {
$convertedCouponAmount = $this->currencyConverter->convertMoney($couponAmount, $currency);
$finalAmount = $finalAmount->subtract($convertedCouponAmount);
}
$cart->setAmount($finalAmount);
}
