/**
* Calculates shipping rates
*
* @param Cart $cart SHipping cart for which to calculate shipping
* @param string $service Service for which to calculate cost (Standard, Priority etc.)
* @return float|int
*/
public function calculateShipping(Cart $cart, $service = NULL)
{
if($cart->getShippingAddress() == NULL) return 0;
$ups_api = new UpsAPI($this);
try
{
$shipping_cost = $ups_api->getRate($cart, $service);
}
catch(APIException $exception)
{
$shipping_cost = 0; // TODO Here maybe return something other than 0
}
return $shipping_cost;
}
