umbraco contact form

public class ContactController : Umbraco.Web.Mvc.SurfaceController
    {
        [ChildActionOnly]
        public ActionResult ContactForm()
        {
            var model = new ContactModel();

            //Initialize model however you want
            model.FullName = "Enter your name";

            //In case you need to access the current node
            var currentNode = Umbraco.TypedContent(UmbracoContext.PageId.GetValueOrDefault());

            //In case you need to access the home node
            var home = currentNode.AncestorsOrSelf(0).First();
            
            return PartialView("ContactForm", model);
        }


        [HttpPost]
        public ActionResult ContactForm(ContactModel model)
        {
            // server validation here
            // TempData["ErrorMessage"] = "Error processing field ...";
            
            if (ModelState.IsValid)
            {
                var currentNode = Umbraco.TypedContent(UmbracoContext.PageId.GetValueOrDefault());

                var homeNode = currentNode.AncestorsOrSelf(0).First();

                var sendEmailsFrom = homeNode.GetPropertyValue<string>("sendEmailsFrom") ?? "info@appnova.com";
                var sendEmailsTo = homeNode.GetPropertyValue<string>("sendEmailsTo") ?? "info@appnova.com";

                var body = String.Format("From: {0}, Email: {1}, Tel: {2} and Message: {3}", model.FullName, model.Email, model.Telephone, model.Message);
                var subject = "Travel Concierge - Message Sent";


                try
                {
                    umbraco.library.SendMail(sendEmailsFrom, sendEmailsTo, subject, body, true);

                    TempData["InfoMessage"] = "Your message has been successfully sent and we will be in touch soon...";

                    // Clear all the form fields
                    ModelState.Clear();
                    model.FullName = string.Empty;
                    model.Telephone = string.Empty;
                    model.Email = string.Empty;
                    model.Message = string.Empty;


                    //redirect to current page to clear the form
                    return RedirectToCurrentUmbracoPage();
                }
                catch (Exception ex)
                {
                    TempData["ErrorMessage"] = ex.Message + ex.StackTrace;
                }
            }


            return CurrentUmbracoPage();

        }
    }