B2B および D2C Commerce 参照サンプルでの Heroku の廃止

getShippingOptionsAndRatesFromExternalService (Integer numberOfUniqueItems) {

   final Integer SuccessfulHttpRequest = 200;

   ShippingOptionsAndRatesFromExternalService[] shippingOptions =
    new List<ShippingOptionsAndRatesFromExternalService>();

   Http http = new Http();

   HttpRequest request = new HttpRequest();

   // To access the service below, you may need to add
  // endpoint = https://b2b-commerce-test.herokuapp.com in
  // Setup | Security | Remote site settings.

   request.setEndpoint(
'https://b2b-commerce-test.herokuapp.com/calculate-shipping-rates-winter-21');

   request.setMethod('GET');

   HttpResponse response = http.send(request);