func wikiLogout(w http.ResponseWriter, r *http.Request) {
tools.ClearCookie(w, "user_id")
// clear the current user
currentUser = nil
// redirect to the wiki front page
http.Redirect(w, r, "/wiki", http.StatusFound)
return
}
func unit4Logout(w http.ResponseWriter, r *http.Request) {
tools.ClearCookie(w, "user_id")
// redirect to the signup
http.Redirect(w, r, "/unit4/signup", http.StatusFound)
return
}