public function getCosts(ShippingSubjectInterface $subject) : Collection
{
$methods = $this->repository->getShippingMethods();
$collection = new ArrayCollection();
$methods->map(function (ShippingMethodInterface $shippingMethod) use($subject, $collection) {
$costs = $this->getShippingMethodCosts($shippingMethod, $subject);
$costs->map(function (ShippingMethodCostInterface $cost) use($collection) {
$collection->add($cost);
});
});
return $collection;
}
private function getShippingMethods(ShippingSubjectInterface $subject) : Collection
{
$methods = $this->repository->getShippingMethods();
$country = $subject->getCountry();
if (strlen($country)) {
return $methods->filter(function (ShippingMethodInterface $method) use($country) {
if (count($method->getCountries()) && !in_array($country, $method->getCountries())) {
return false;
}
return true;
});
}
return $methods;
}
/**
* Returns all enabled shipping methods as a collection
*
* @return ArrayCollection
*/
protected function getEnabledMethods()
{
$methods = $this->shippingMethodRepository->findAllEnabledShippingMethods();
return new ArrayCollection($methods);
}