(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: email_change.ml,v 1.4 2006/03/27 19:10:29 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

let run r (q : cgi) dbh hostid _ _ =
  (* Get the key in the pending_email_changes table. *)
  let key = q#param "key" in

  let rows = PGSQL(dbh) "select userid, email from pending_email_changes
                          where key = $key" in

  let userid, email =
    match rows with
    | [ row ] -> row
    | [] ->
	error ~title:"Already verified"
	  dbh hostid q
	  ("It looks like you have already verified this email address.");
	return ()
    | _ -> assert false in

  (* Update the database. *)
  PGSQL(dbh) "delete from pending_email_changes where key = $key";
  PGSQL(dbh) "update users set email = $email where id = $userid";

  PGOCaml.commit dbh;

  ok ~title:"Email address verified"
    dbh hostid q "Thank you for verifying your new email address."

let () =
  register_script run