Login Model

define([
  'jquery',
  'underscore',
  'backbone',
  'marionette',
],
function ($, _, Backbone, Marionette) {
    'use strict';

    var Auth = Backbone.Model.extend({

        initialize: function() {
            this.set({
                "token": localStorage.getItem('token') || '',
                "username": localStorage.getItem('username') || ''
            });

            _.bindAll(this, "login", "logout", "isLoggedIn");

            Backbone.Wreqr.radio.vent.on('app', 'auth:login', this.login);
            Backbone.Wreqr.radio.vent.on('app', 'auth:logout', this.logout);
        },

        login: function(user, salesforce, callback)  {

            var self = this;

            $.ajax({
                url: "http://localhost:1337/api/login",
                type: "post",
                dataType: "json",
                data: { user: user },
                success: function () {

                    self.set({
                        "token": "*****",
                        "username": user.email
                    });

                    localStorage.setItem("token", "******");
                    localStorage.setItem("username", user.email);

                    var response = {
                        status: true,
                        error: null
                    };

                    callback(response);
                },
                error: function (error) {
                    var response = {
                        status: false,
                        error: JSON.parse(error.responseText).msg
                    };

                    callback(response);
                }
            });
        },

        logout: function() {
            if(this.get('username') != '' || this.get('token') != '') {
                this.unset('token');
                this.unset('username');
                localStorage.removeItem('token');
                localStorage.removeItem('username');
            }
        },

        isLoggedIn: function() {
            if(this.get('username') != '' || this.get('token') != '') {
                return true;
            } else {
                return false;
            }
        }
    });

    return new Auth;
});