From 6d98ec50f59f932505685f71916b104cbf36995b Mon Sep 17 00:00:00 2001
From: T T <tilde.cat@pm.me>
Date: Tue, 6 Nov 2018 18:50:24 +0100
Subject: [PATCH] Added lost error page

---
 main.go      | 5 +++++
 templates.go | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/main.go b/main.go
index 1af8452..ca4db4c 100644
--- a/main.go
+++ b/main.go
@@ -125,11 +125,16 @@ func (s *Server) FormPage(w http.ResponseWriter, r *http.Request) {
 	formTemplate.Execute(w, config)
 }
 
+func (s *Server) ErrorPage(w http.ResponseWriter, r *http.Request) {
+	errorTemplate.Execute(w, config)
+}
+
 func main() {
 	var io FsIo
 	server := Server{Io: &io}
 	http.HandleFunc(RequestStatusUrlPrefix, server.RequestPage)
 	http.HandleFunc(FormPostUrl, server.FormPostHandler)
 	http.HandleFunc(FormUrl, server.FormPage)
+	http.HandleFunc(ErrorUrl, server.ErrorPage)
 	log.Fatal(http.ListenAndServe("localhost:5678", nil))
 }
diff --git a/templates.go b/templates.go
index 9707983..7f28a76 100644
--- a/templates.go
+++ b/templates.go
@@ -18,6 +18,12 @@ var statusTemplate = template.Must(footer.New("status").Parse(`
 Status: {{ .Status }}
 {{ template "footer" .Global }}`))
 
+var errorTemplate = template.Must(footer.New("error").Parse(`
+{{ template "header" . }}
+<p>Error, all form fields must be field.</p>
+<a href="/">take ma back</a>
+{{ template "footer" . }}`))
+
 var formTemplate = template.Must(header.New("form").Parse(`{{ template "header" . }}
 <h1>~🐱 Sign up form</h1>
 <form action="/post" method="post">