function calculate($shippingMethod)
{
try {
$this->Price = parent::calculate($shippingMethod);
} catch (Exception $e) {
ShopOrder::displayExtensionNoticeFor("ShopShipping::calculate");
}
}
function calculate()
{
$round = self::$round;
$amount = $this->amount();
$this->calcShippingCosts();
$this->calcPaymentCosts();
$this->calcDiscount();
$this->SubTotal = $amount - $this->Discount + $this->Shipping()->Price();
$this->Total = $this->SubTotal + $this->Payment()->Price();
$this->calcTax();
$tax = 1 + $this->Tax / 100;
if ($this->VAT == "INCL") {
$this->VATAmount = round($amount - $this->Total / $tax, $round);
}
if ($this->VAT == "EXCL") {
$this->VATAmount = round($amount / 100 * $this->Tax, $round);
$this->Total = $this->Total + $this->VATAmount;
}
try {
parent::calculate();
} catch (Exception $e) {
//don't display a message, because it's not necessary/bestpractice to override the calculate method
}
}
