Umbraco redirect to parent with template

gistfile1.cs

    public class RedirectNodesWithoutTemplate : ApplicationEventHandler
    {
        protected override void ApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
        {
            PublishedContentRequest.Prepared += PublishedContentRequest_Prepared;
            base.ApplicationStarted(umbracoApplication, applicationContext);
        }

        private void PublishedContentRequest_Prepared(object sender, System.EventArgs e)
        {
            var request = sender as Umbraco.Web.Routing.PublishedContentRequest;
            if (request != null && request.HasPublishedContent)
            {
                if (!request.HasTemplate)
                {
                    var ancestorWithTemplate = request.PublishedContent
                        .Ancestors()
                        .Where(x => x.TemplateId != 0)
                        .OrderByDescending(x => x.Level)
                        .FirstOrDefault();

                    if (ancestorWithTemplate != null)
                    {
                        request.SetRedirect(ancestorWithTemplate.Url);
                    }                    
                }
            }
        }
    }