(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: invite_user_confirm_form.ml,v 1.5 2006/03/28 13:20:00 rich Exp $
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *)

open Apache
open Registry
open Cgi
open Printf

open Cocanwiki
open Cocanwiki_ok
open Cocanwiki_template

let run r (q : cgi) dbh hostid _ _ =
  let template = get_template dbh hostid "invite_user_confirm_form.html" in

  (* Get the invite ID. *)
  let invite = q#param "p" in

  let rows = PGSQL(dbh) "select name from users
                          where hostid = $hostid and invite = $invite" in

  let username =
    match rows with
    | [username] -> username
    | [] ->
	error ~title:"Already signed up"
	  dbh hostid q
	  ("It looks like you have already used your invitation.  If " ^
	     "you cannot get to your account, please contact the " ^
	     "administrator.");
	return ()
    | _ -> assert false in

  (* Update the template so that the user can set their preferred password. *)
  template#set "username" username;
  template#set "invite" invite;

  q#template template

let () =
  register_script run