/**
* Returns a list of available variants
* The structure is:
* array(
* stdclass(
* 'name' => 'ups'
* , 'display_name' => 'UPS'
* , 'variant' => '01'
* , 'variant_display_name' => 'Domestic'
* , price => 12
* ))
*
* @param Cart $cart
* @internal param \Address $shipping_address
* @return array
*/
public function getAvailableVariants(Cart $cart)
{
$shipping_address = $cart->getShippingAddress();
if(!$shipping_address)
{
$variant = new stdClass();
$variant->name = $this->getName();
$variant->display_name = $this->getDisplayName();
$variant->variant = NULL;
$variant->variant_display_name = 'Rates and available UPS services will show up after you enter your shipping address.';
$variant->price = NULL;
return array($variant);
}
$ups_api = new UpsAPI($this);
try
{
$available_rates = $ups_api->getAvailableRates($cart);
}
catch(APIException $exception)
{
$available_rates = array();
}
$available_variants = array();
foreach($available_rates as $rate)
{
$service_code = $rate['service'];
$price = $rate['price'];
// Even though UPS supports a certain service for the current Cart,
// if the admin didn't enable it, we skip it
if(!in_array($service_code, $this->enabled_services)) continue;
$variant = new stdClass();
$variant->name = $this->getName();
$variant->display_name = $this->getDisplayName();
$variant->variant = $service_code;
$variant->variant_display_name = UPS::$service_names[$service_code];
$variant->price = $price;
$available_variants[] = $variant;
}
return $available_variants;
}
