1 (* COCANWIKI - a wiki written in Objective CAML.
2 * Written by Richard W.M. Jones <rich@merjis.com>.
3 * Copyright (C) 2004 Merjis Ltd.
4 * $Id: restore_form.ml,v 1.11 2005/11/24 14:54:12 rich Exp $
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; see the file COPYING. If not, write to
18 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
28 open Cocanwiki_template
32 let run r (q : cgi) (dbh : Dbi.connection) hostid _ user =
33 let template = get_template dbh hostid "restore_form.html" in
36 let page = q#param "page" in
37 let old_version = int_of_string (q#param "version") in
39 template#set "page" page;
40 template#set "version" (string_of_int old_version);
42 (* Compute the diff between the latest version of this page and the
43 * page we're wanting to restore.
45 let sth = dbh#prepare_cached "select id from pages
46 where hostid = ? and url = ?" in
47 sth#execute [`Int hostid; `String page];
49 let version = sth#fetch1int () in
51 if version = old_version then (
52 error ~back_button:true ~title:"Restoring live version"
53 dbh hostid q "You seem to be trying to restore the live version.";
57 let diff, _ = get_diff dbh hostid page ~old_version ~version () in
59 (* Display the diff. *)
60 template#set "diff" diff;
65 register_script ~restrict:[CanEdit] run