gelary-part5-1.js

HERERouter.prototype.getRoutes = function(options, onSuccessCallback) {
  var onSuccess,
      onError;

  onSuccess = function (result) {
    if (result.response.route) {
      var routeLineGroup = new H.map.Group();

      var routes = result.response.route.map(function(route) {
        var routeLine = this.getRouteLine(route);
        routeLineGroup.addObject(routeLine);

        return {
          route: route,
          routeLine: routeLine
        };
      }.bind(this));

      onSuccessCallback(routes, routeLineGroup);

    } else {
      onError(result.response.details);
    }
  };

  onError = function (error) {
    console.error('Oh no! There was some communication error!', error);
  };

  this.router.calculateRoute(options, onSuccess.bind(this), onError);
}