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.ml,v 1.24 2006/08/04 12:45:31 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.
30 open Cocanwiki_emailnotify
32 let run r (q : cgi) dbh hostid {hostname = hostname} user =
33 let version = Int32.of_string (q#param "version") in
34 let page = q#param "page" in
36 if not (q#param_true "no") then (
37 (* Get the IP address of the user, if available. *)
39 try Some (Connection.remote_ip (Request.connection r))
40 with Not_found -> None in
44 | User (id, _, _, _) -> Some id
47 (* Copy the old version of the page to be live. *)
49 "select title, description, keywords, creation_date,
52 where hostid = $hostid
53 and url_deleted = $page and id = $version" in
55 let title, description, keywords, creation_date, redirect, css =
58 | _ -> assert false in
61 "set constraints pages_redirect_cn, sitemenu_url_cn,
62 page_emails_url_cn, links_from_cn, recently_visited_url_cn
64 PGSQL(dbh) "update pages set url_deleted = url, url = null
65 where hostid = $hostid and url = $page";
66 PGSQL(dbh) "insert into pages (hostid, url, title,
67 description, keywords,
68 creation_date, logged_ip,
69 logged_user, redirect, css)
70 values ($hostid, $page, $title, $description, $?keywords,
72 $?logged_ip, $?logged_user, $?redirect, $?css)";
74 let pageid = PGOCaml.serial4 dbh "pages_id_seq" in
76 PGSQL(dbh) "insert into contents (pageid, ordering,
77 sectionname, content, divname, jsgo)
78 select $pageid, ordering, sectionname, content, divname, jsgo
80 where pageid = $version";
82 (* Keep the links table in synch. *)
83 Cocanwiki_links.update_links_for_page r dbh hostid page;
88 let subject = "Page " ^ page ^ " has been restored." in
90 (* Prepare the diff between this version and the previous version. *)
91 let diff, _ = get_diff dbh hostid page ~version:pageid () in
92 "Page: http://" ^ hostname ^ "/" ^ page ^ "\n\n" ^
95 email_notify ~body ~subject ~user dbh hostid;
98 let buttons = [ ok_button ("/" ^ page) ] in
99 ok ~title:"Restored" ~buttons
100 dbh hostid q "The old page was restored successfully."
102 q#redirect ("http://" ^ hostname ^ "/" ^ page)
105 register_script ~restrict:[CanEdit] run