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 1.14 2004/10/21 19:54:29 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 : Dbi.connection) hostid {hostname = hostname} user =
33 let version = int_of_string (q#param "version") in
34 let page = q#param "page" in
36 if q#param_true "yes" then (
37 (* Get the IP address of the user, if available. *)
39 try `String (Connection.remote_ip (Request.connection r))
40 with Not_found -> `Null in
44 | User (id, _, _) -> `Int id
47 (* Copy the old version of the page to be live. *)
48 let sth = dbh#prepare_cached "select title, description, creation_date,
52 and url_deleted = ? and id = ?" in
53 sth#execute [`Int hostid; `String page; `Int version];
55 let title, description, creation_date, redirect, css =
56 match sth#fetch1 () with
57 [ title; description; creation_date; redirect; css ] ->
58 title, description, creation_date, redirect, css
59 | _ -> assert false in
63 "set constraints pages_redirect_cn, sitemenu_url_cn,
64 page_emails_url_cn, links_from_cn, recently_visited_url_cn
68 let sth = dbh#prepare_cached "update pages set url_deleted = url,
70 where hostid = ? and url = ?" in
71 sth#execute [`Int hostid; `String page];
73 let sth = dbh#prepare_cached "insert into pages (hostid, url, title,
74 description, creation_date, logged_ip,
75 logged_user, redirect, css)
76 values (?, ?, ?, ?, ?, ?, ?, ?, ?)" in
77 sth#execute [`Int hostid; `String page; title; description;
78 creation_date; logged_ip; logged_user; redirect; css ];
80 let pageid = sth#serial "pages_id_seq" in
82 let sth = dbh#prepare_cached "insert into contents (pageid, ordering,
83 sectionname, content, divname)
84 select ? as pageid, ordering, sectionname,
88 sth#execute [`Int pageid; `Int version];
90 (* Keep the links table in synch. *)
91 Cocanwiki_links.update_links_for_page dbh hostid page;
96 let subject = "Page " ^ page ^ " has been restored." in
98 (* Prepare the diff between this version and the previous version. *)
99 let diff, _ = get_diff dbh hostid page ~version:pageid () in
100 "Page: http://" ^ hostname ^ "/" ^ page ^ "\n\n" ^
103 email_notify ~body ~subject ~user dbh hostid;
106 let buttons = [ ok_button ("/" ^ page) ] in
107 ok ~title:"Restored" ~buttons
108 q "The old page was restored successfully."
110 q#redirect ("http://" ^ hostname ^ "/" ^ page)
113 register_script ~restrict:[CanEdit] run