client-ui/source/recaptcha/recaptcha-service.js

Testing implementation of nodeJs Backend, angular frontend, and hopefully in a way that this can be deployed to s3/cloudfront

/* global grecaptcha moduleName */
(function () {
    'use strict';

    function recaptchaService($q) {
        var self = this;
        self.widgetId = false;
        var callback = false;

        function completePromise(deferred) {
            return deferred.resolve(self.widgetId);
        }

        function getWidgetId() {
            var deferred = $q.defer();
            if (self.widgetId !== false) {
                deferred.resolve(self.widgetId);
            } else {
                callback = function() {
                    completePromise(deferred);
                };
            }
            return deferred.promise;
        }

        function getResponse() {
            var deferred = $q.defer();
            getWidgetId()
                .then(function(widgetId) {
                    var response = false;
                    try {
                        response = grecaptcha.getResponse(self.widgetId);
                    } catch(e) {
                        response = false;
                    }
                    grecaptcha.reset(self.widgetId);
                    if (response) {
                        deferred.resolve(response);
                    } else {
                        var error = {
                            code: "RECAPTCHA_NO_RESPONSE"
                        };
                        deferred.reject(error);
                    }
                });
            return deferred.promise;
        }

        function setWidgetId(widgetId) {
            self.widgetId = widgetId;
            if (callback) {
                return callback();
            }
        }

        self.setWidgetId = setWidgetId;
        self.getResponse = getResponse;
    }

    angular.module(moduleName).service('recaptchaService', recaptchaService);
    recaptchaService.$inject = ['$q'];
})();