/**
* Calculate a delivery rate for a particular shipment
*
* @return ShipmentDeliveryRate
*/
public function getDeliveryRate(Shipment $shipment)
{
$hasFreeShipping = false;
// get applicable rates
if (self::WEIGHT_BASED == $this->rangeType->get()) {
$weight = $shipment->getChargeableWeight($this->deliveryZone->get());
$cond = new EqualsOrLessCond(new ARFieldHandle('ShippingRate', 'weightRangeStart'), $weight * 1.000001);
$cond->addAND(new EqualsOrMoreCond(new ARFieldHandle('ShippingRate', 'weightRangeEnd'), $weight * 0.99999));
} else {
$total = $shipment->getSubTotal(Shipment::WITHOUT_TAXES);
$cond = new EqualsOrLessCond(new ARFieldHandle('ShippingRate', 'subtotalRangeStart'), $total * 1.000001);
$cond->addAND(new EqualsOrMoreCond(new ARFieldHandle('ShippingRate', 'subtotalRangeEnd'), $total * 0.99999));
}
$f = new ARSelectFilter(new EqualsCond(new ARFieldHandle('ShippingRate', 'shippingServiceID'), $this->getID()));
$f->mergeCondition($cond);
$rates = ActiveRecordModel::getRecordSet('ShippingRate', $f);
if (!$rates->size()) {
return null;
}
$itemCount = $shipment->getChargeableItemCount($this->deliveryZone->get());
$maxRate = 0;
foreach ($rates as $rate) {
$charge = $rate->flatCharge->get();
foreach ($shipment->getItems() as $item) {
$charge += $rate->getItemCharge($item) * $item->getCount();
}
if (self::WEIGHT_BASED == $this->rangeType->get()) {
$charge += $rate->perKgCharge->get() * $weight;
} else {
$charge += $rate->subtotalPercentCharge->get() / 100 * $total;
}
if ($charge > $maxRate) {
$maxRate = $charge;
}
}
return ShipmentDeliveryRate::getNewInstance($this, $maxRate);
}
/**
* Returns manually defined shipping rates for the particular shipment
*
* @return ShippingRateSet
*/
public function getDefinedShippingRates(Shipment $shipment)
{
$rates = new ShippingRateSet();
foreach ($this->getShippingServices() as $service) {
$rate = $service->getDeliveryRate($shipment);
if ($rate) {
$rates->add($rate);
}
}
if (!$shipment->getChargeableItemCount($this)) {
$app = self::getApplication();
if ($app->getConfig()->get('FREE_SHIPPING_AUTO_RATE')) {
$freeService = ShippingService::getNewInstance($this, $app->translate('_free_shipping'), ShippingService::WEIGHT_BASED);
$freeRate = ShipmentDeliveryRate::getNewInstance($freeService, 0);
$freeRate->setServiceID('FREE');
$rates->add($freeRate);
}
}
return $rates;
}
