/**
* 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;
}
/**
* Do remote request for and handle errors
*
* @return Result
*/
protected function _getQuotes()
{
$this->_result = $this->_rateFactory->create();
// make separate request for Smart Post method
$allowedMethods = explode(',', $this->getConfigData('allowed_methods'));
if (in_array(self::RATE_REQUEST_SMARTPOST, $allowedMethods)) {
$response = $this->_doRatesRequest(self::RATE_REQUEST_SMARTPOST);
$preparedSmartpost = $this->_prepareRateResponse($response);
if (!$preparedSmartpost->getError()) {
$this->_result->append($preparedSmartpost);
}
}
// make general request for all methods
$response = $this->_doRatesRequest(self::RATE_REQUEST_GENERAL);
$preparedGeneral = $this->_prepareRateResponse($response);
if (!$preparedGeneral->getError() || $this->_result->getError() && $preparedGeneral->getError() || empty($this->_result->getAllRates())) {
$this->_result->append($preparedGeneral);
}
return $this->_result;
}
