public function USPSRateRequest::resolveRates in Commerce USPS 8

Resolve the rates from the RateRequest response.

Parameters

array $response: The rate request array.

Return value

array An array of ShippingRates or an empty array.

Overrides USPSRateRequestInterface::resolveRates

File

src/USPSRateRequest.php, line 34

Class

USPSRateRequest

Class USPSRateRequest.

Namespace

Drupal\commerce_usps

Code

public function resolveRates(array $response) {
  $rates = [];

  // Parse the rate response and create shipping rates array.
  if (!empty($response['RateV4Response']['Package']['Postage'])) {

    // Convert the postage response to an array of rates when
    // only 1 rate is returned.
    if (!empty($response['RateV4Response']['Package']['Postage']['Rate'])) {
      $response['RateV4Response']['Package']['Postage'] = [
        $response['RateV4Response']['Package']['Postage'],
      ];
    }
    foreach ($response['RateV4Response']['Package']['Postage'] as $rate) {
      $price = $rate['Rate'];

      // Attempt to use an alternate rate class if selected.
      if (!empty($this->configuration['rate_options']['rate_class'])) {
        switch ($this->configuration['rate_options']['rate_class']) {
          case 'commercial_plus':
            $price = !empty($rate['CommercialPlusRate']) ? $rate['CommercialPlusRate'] : $price;
            break;
          case 'commercial':
            $price = !empty($rate['CommercialRate']) ? $rate['CommercialRate'] : $price;
            break;
        }
      }
      $service_code = $rate['@attributes']['CLASSID'];
      $service_name = $this
        ->cleanServiceName($rate['MailService']);

      // Class code 0 is used for multiple services in the
      // response. The only way to determine which service
      // is returned is to parse the service name for matching
      // strings based on the service type. All other service
      // codes are unique and do not require this extra step.
      if ($service_code == 0) {
        if (stripos($service_name, 'Envelope') !== FALSE) {
          $service_code = self::FIRST_CLASS_MAIL_ENVELOPE;
        }
        elseif (stripos($service_name, 'Letter') !== FALSE) {
          $service_code = self::FIRST_CLASS_MAIL_LETTER;
        }
        elseif (stripos($service_name, 'Postcards') !== FALSE) {
          $service_code = self::FIRST_CLASS_MAIL_POSTCARDS;
        }
        elseif (stripos($service_name, 'Package') !== FALSE) {
          $service_code = self::FIRST_CLASS_MAIL_PACKAGE;
        }
        else {
          continue;
        }
      }

      // Only add the rate if this service is enabled.
      if (!in_array($service_code, $this->configuration['services'])) {
        continue;
      }
      $rates[] = new ShippingRate([
        'shipping_method_id' => $this->shippingMethod
          ->id(),
        'service' => new ShippingService($service_code, $service_name),
        'amount' => new Price($price, 'USD'),
      ]);
    }
  }
  return $rates;
}