/**
* Return callback response with shipping options
*
* @param array $request
* @return string
*/
public function getShippingOptionsCallbackResponse(array $request)
{
// prepare debug data
$logger = Mage::getModel('core/log_adapter', 'payment_' . $this->_methodType . '.log');
$debugData = array('request' => $request, 'response' => array());
try {
// obtain addresses
$this->_getApi();
$address = $this->_api->prepareShippingOptionsCallbackAddress($request);
$quoteAddress = $this->_quote->getShippingAddress();
// compare addresses, calculate shipping rates and prepare response
$options = array();
if ($address && $quoteAddress && !$this->_quote->getIsVirtual()) {
foreach ($address->getExportedKeys() as $key) {
$quoteAddress->setDataUsingMethod($key, $address->getData($key));
}
$quoteAddress->setCollectShippingRates(true)->collectTotals();
$options = $this->_prepareShippingOptions($quoteAddress, false, true);
}
$response = $this->_api->setShippingOptions($options)->formatShippingOptionsCallback();
// log request and response
$debugData['response'] = $response;
$logger->log($debugData);
return $response;
} catch (Exception $e) {
$logger->log($debugData);
throw $e;
}
}