/**
* Add a rate to the result
*
* @param \Magento\Quote\Model\Quote\Address\RateResult\AbstractResult|\Magento\Shipping\Model\Rate\Result $result
* @return $this
*/
public function append($result)
{
if ($result instanceof \Magento\Quote\Model\Quote\Address\RateResult\Error) {
$this->setError(true);
}
if ($result instanceof \Magento\Quote\Model\Quote\Address\RateResult\AbstractResult) {
$this->_rates[] = $result;
} elseif ($result instanceof \Magento\Shipping\Model\Rate\Result) {
$rates = $result->getAllRates();
foreach ($rates as $rate) {
$this->append($rate);
}
}
return $this;
}
