client-ui/source/shared/promiseWrapper-service.js

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

(function () {
    'use strict';

    angular.module("clientApp").factory("promiseWrapper", ["$q", "$timeout", function($q, $timeout) {
        var defaultTimeout = 30000;
        var promiseFn = function(qDep) {
            if (typeof qDep === "undefined") {
                this.deferred = $q.defer();
            } else {
                this.deferred = qDep.defer();
            }
            this.resolved = false;
            this.promise = this.deferred.promise;
            this.timeout = false;
        };

        promiseFn.prototype.timeoutAfter = function(params) {
            if (typeof params === "undefined") {
                params = {};
            }
            if (typeof params.timeout === "undefined") {
                params.timeout = defaultTimeout;
            }
            if (!this.resolved) {
                this.cancelTimeout();
                this.timeout = $timeout(function() {
                    this.timeout = false;
                    this.reject(params.error);
                }.bind(this), params.timeout);
            }
        };

        promiseFn.prototype.resolve = function(value) {
            this.cancelTimeout();
            if (!this.resolved) {
                this.resolved = true;
                this.deferred.resolve(value);
            }
        };

        promiseFn.prototype.reject = function(value) {
            this.cancelTimeout();
            if (!this.resolved) {
                this.resolved = true;
                this.deferred.reject(value);
            }
        };

        promiseFn.prototype.cancelTimeout = function() {
            if (this.timeout !== false) {
                $timeout.cancel(this.timeout);
                this.timeout = false;
            }
        };

        return promiseFn;
    }]);

})();