FallbackCrud.js

/*jslint nomen: true, vars: true*/
/*global define*/
define(['jquery', 'lodash'], function ($, _) {
    'use strict';
    var FallbackCrud = (function () {
        function Class() {
            this.cruds = arguments;
        }

        _.forEach(['create', 'read', 'update', 'del'], function (method) {
            Class.prototype[method] = function () {
                var defer = new $.Deffered();
                var args = arguments;

                (function fallback(cruds) {
                    var nextFail = cruds.length < 2 ?
                            defer.reject :
                            fallback.bind(null, cruds.slice(1));
                    return cruds[0][method].apply(cruds[0], args)
                        .then(defer.resolve, nextFail);
                }(this.cruds));

                return defer.promise();
            };
        });

        return Class;
    }());

    return FallbackCrud;
});