/**
* Returns the method's calculator instance
*
* @param ShippingMethodInterface $shippingMethod
*
* @return \WellCommerce\AppBundle\Calculator\ShippingMethodCalculatorInterface
*/
protected function getCalculator(ShippingMethodInterface $shippingMethod)
{
$calculator = $shippingMethod->getCalculator();
if (!$this->shippingMethodCalculatorCollection->has($calculator)) {
throw new CalculatorNotFoundException($calculator);
}
return $this->shippingMethodCalculatorCollection->get($calculator);
}
/**
* {@inheritdoc}
*/
public function calculate(ShippingMethodInterface $shippingMethod, ShippingCalculatorSubjectInterface $subject)
{
$ranges = $shippingMethod->getCosts();
$baseCurrency = $subject->getShippingCostCurrency();
$targetCurrency = $shippingMethod->getCurrency()->getCode();
$grossAmount = $this->currencyHelper->convert($subject->getShippingCostGrossPrice(), $baseCurrency, $targetCurrency);
$supportedRanges = $ranges->filter(function (ShippingMethodCostInterface $cost) use($grossAmount) {
return $cost->getRangeFrom() <= $grossAmount && $cost->getRangeTo() >= $grossAmount;
});
if ($supportedRanges->count()) {
return $supportedRanges->first();
}
return null;
}