app.directive('formatDate', function($filter) {
    return {
        restrict: 'A',
        require: 'ngModel',
        link: function(scope, element, attrs, modelCtrl) {
            // format text (model to view)
            modelCtrl.$formatters.push(function(value) {
                if(value !== "" && typeof value !== "undefined" && value !== null){
                    return value.split("-").reverse().join("/");
                }
            });

            // format text (view to model)
            modelCtrl.$parsers.push(function(value) {
                if(value !== "" && typeof value !== "undefined" && value !== null){
                    var date = new Date(value.split("/").reverse().join("-"));
                    date.setMinutes(date.getMinutes() + date.getTimezoneOffset());
                    return date;
                }
            });
        }
    };
});