app.factory('userService',['$rootScope',function ($rootScope) {

    var service = {

        model: {
            name: '',email: ''
        },SaveState: function () {
            sessionStorage.userService = angular.toJson(service.model);
        },RestoreState: function () {
            service.model = angular.fromJson(sessionStorage.userService);
        }
    }

    $rootScope.$on("savestate",service.SaveState);
    $rootScope.$on("restorestate",service.RestoreState);

    return service;
}]);