/**
* determins the right shipping fee for a shipping method depending on the
* cart's weight and the country of the customers shipping address
*
* @param int $weight Weight in gramm to get fee for
*
* @return SilvercartShippingFee the most convenient shipping fee for this shipping method
*
* @author Roland Lehmann <*****@*****.**>,
* Sebastian Diel <*****@*****.**>
* @since 15.11.2014
*/
public function getShippingFee($weight = null)
{
$fee = false;
if (is_null($weight)) {
if (!SilvercartCustomer::currentUser() || !SilvercartCustomer::currentUser()->getCart()) {
return $fee;
}
$weight = SilvercartCustomer::currentUser()->getCart()->getWeightTotal();
}
$shippingCountry = $this->getShippingCountry();
if (is_null($shippingCountry)) {
$shippingAddress = $this->getShippingAddress();
if (is_null($shippingAddress) && method_exists(Controller::curr(), 'getShippingAddress')) {
$shippingAddress = Controller::curr()->getShippingAddress();
$this->setShippingAddress($shippingAddress);
SilvercartTools::Log('getShippingFee', 'CAUTION: shipping address was not preset! Fallback to current controller ' . Controller::curr()->class, 'SilvercartShippingMethod');
}
if ($shippingAddress instanceof SilvercartAddress) {
$shippingCountry = $shippingAddress->SilvercartCountry();
$this->setShippingCountry($shippingCountry);
}
}
if ($shippingCountry instanceof SilvercartCountry) {
$zones = SilvercartZone::getZonesFor($shippingCountry->ID);
if ($zones->exists()) {
$zoneMap = $zones->map('ID', 'ID');
$zoneIDs = $zoneMap->toArray();
$zoneIDsAsString = "'" . implode("','", $zoneIDs) . "'";
$filter = array("SilvercartShippingMethodID" => $this->ID);
$fees = SilvercartShippingFee::get()->filter($filter)->where(sprintf('("MaximumWeight" >= ' . $weight . ' OR "UnlimitedWeight" = 1) AND "SilvercartZoneID" IN (%s)', $zoneIDsAsString))->sort('PostPricing, PriceAmount');
if ($fees->exists()) {
$fee = $fees->first();
}
}
}
return $fee;
}