<!-- BEGIN MOMENT -->
    <script src="/bower_components/moment/moment.js"></script>
    <script src="/bower_components/moment/locale/fa.js"></script>
    <script src="/bower_components/moment-jalaali/build/moment-jalaali.js"></script>
    <script>
        moment.locale('fa');  // Set the default/global locale
        // ...
    </script>
    <!-- END MOMENT -->

app.filter('jalaliDateFromNow', function () {
    return function (inputDate) {
        var date = moment(inputDate);
        return date.fromNow();
    }
});

    var _sampleGet = function (sampleModel) {
        return $http.get(serviceBase + '/api-path/', sampleModel);
    }

    return {
        sampleGet: _sampleGet,
    };

        myService.sampleGet(vm.formData).then(
            function (response) {
                vm.savedSuccessfully = true;
                // rest of process
            },
            function (response) {
                //handle errors
            });