// NewGreet creates a new greet (POST "/greets"). Creates a greet and redirects
// you to the created greet.
//
// To post a new greet, try this at a shell:
// $ now=$(date +'%Y-%m-%mT%H:%M:%SZ')
// $ curl -i -d "user=carl&message=Hello+World&time=$now" localhost:8000/greets
func NewGreet(w http.ResponseWriter, r *http.Request) {
var greet Greet
// Parse the POST body into the Greet struct. The format is the same as
// is emitted by (e.g.) jQuery.param.
r.ParseForm()
err := param.Parse(r.Form, &greet)
if err != nil || len(greet.Message) > 140 {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// We make no effort to prevent races against other insertions.
Greets = append(Greets, greet)
url := fmt.Sprintf("/greets/%d", len(Greets)-1)
http.Redirect(w, r, url, http.StatusCreated)
}
func (w *Wiki) Update(c web.C, rw http.ResponseWriter, r *http.Request) {
name := w.getPageName(c.URLParams["name"])
// Parse the POST body
r.ParseForm()
var fd formData
param.Parse(r.Form, &fd)
w.DB().Update(func(tx *db.Tx) error {
p := db.Page{Tx: tx, Name: name}
p.Text = []byte(fd.Text)
return p.Save()
})
path := "/" + string(name)
if path == "/root" {
path = "/"
}
http.Redirect(rw, r, path, 302)
}