gistfile1.js

list: function(req, res, params) {

    var that = this;

    function stepOne(userIsLogged) {

        that
            .Users
            .getUserByUserID(

                req.session.userId
                , stepTwo
            )
        ;
    });

    function stepTwo(user) {

        params.firstName = user.firstName;

        that.Elements.getElementsByUserID(req.session.userId, stepThree);
    }

    function stepThree(elements) {

        params.elements = elements;
        that.sendTemplate(req, res, 'elements/list', params)
    }
    
    this
        .helpers
        .user
        .checkIfUserIsLogged(

            req
            , res
            , '/login'
            , stepOne
        )
    ;
},