/**
* Add a rate to the result
*
* @param Mage_Shipping_Model_Rate_Result_Abstract|Mage_Shipping_Model_Rate_Result $result
*/
public function append($result)
{
if ($result instanceof Mage_Shipping_Model_Rate_Result_Abstract) {
$this->_rates[] = $result;
} elseif ($result instanceof Mage_Shipping_Model_Rate_Result) {
$rates = $result->getAllRates();
foreach ($rates as $rate) {
$this->append($rate);
}
}
return $this;
}
/**
* Remove Errors in Case When Rate Exist
*
* @return Mage_Shipping_Model_Rate_Result
*/
protected function _removeErrorsIfRateExist()
{
$rateResultExist = false;
$rates = array();
foreach ($this->_result->getAllRates() as $rate) {
if (!$rate instanceof Mage_Shipping_Model_Rate_Result_Error) {
$rateResultExist = true;
$rates[] = $rate;
}
}
if ($rateResultExist) {
$this->_result->reset();
$this->_result->setError(false);
foreach ($rates as $rate) {
$this->_result->append($rate);
}
}
return $this->_result;
}
