{{html .}} wrote:
{{else}}An anonymous person wrote:
{{end}}{{html .Content}}
{{html .Date}}
{{end}}
`
var guestbookTemplate = template.Must(template.New("book").Parse(guestbookTemplateHTML))
type Greeting struct {
Author string
Content string
Date datastore.Time
}
func init() {
http.HandleFunc("/", root)
http.HandleFunc("/sign", sign)
}
func root(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
q := datastore.NewQuery("Greeting").Order("-Date").Limit(10)
greetings := make([]Greeting, 0, 10)
if _, err := q.GetAll(c, &greetings); err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
if err := guestbookTemplate.Execute(w, greetings); err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
}
}
func sign(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
g := Greeting{
Content: r.FormValue("content"),
Date: datastore.SecondsToTime(time.Seconds()),
}
if u := user.Current(c); u != nil {
g.Author = u.String()
}
_, err := datastore.Put(c, datastore.NewIncompleteKey(c, "Greeting", nil), &g)
if err != nil {
http.Error(w, err.String(), http.StatusInternalServerError)
return
}
http.Redirect(w, r, "/", http.StatusFound)
}