walnut_launchpad.html/js/services/auth.js

app.factory('Auth', ['localStorageService', function(localStorageService){
  var user;
  return{
    setUser : function(currentUser){
      user = currentUser;
    },
    isLoggedIn : function(){
      user = JSON.parse(localStorageService.get('userAuth'));
      return (user) ? user : false;
    }
  };
}]);