private function calculateShipping($shipping_option)
{
$numDisks = 0;
$shippingCharge = 0.0;
$itemCount = OrdersController::getCountOfItems();
if ($shipping_option == 'ship_separately') {
$shippingCharge += OrdersController::calculateShippingFee($itemCount['CD']['count']);
$shippingCharge += OrdersController::calculateShippingFee($itemCount['DVD']['count']);
} else {
switch ($shipping_option) {
case 'ship_together':
$numDisks = $itemCount['CD']['count'] + $itemCount['DVD']['count'];
break;
case 'ship_dvd':
case 'ship_dvd_only':
$numDisks = $itemCount['DVD']['count'];
break;
case 'ship_cd':
$numDisks = $itemCount['CD']['count'];
break;
}
$shippingCharge = OrdersController::calculateShippingFee($numDisks);
}
return $shippingCharge;
}
