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: undelete_file.ml,v 1.10 2006/12/06 09:46:57 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
31 let run r (q : cgi) dbh hostid { hostname = hostname } _ =
32 let id = Int32.of_string (q#param "id") in
34 if q#param_true "yes" then (
35 (* Get the name of the file. *)
36 let name = Option.get (
39 "select name_deleted from files
40 where hostid = $hostid and id = $id"
44 (* First delete any more recent versions of this file. *)
45 PGSQL(dbh) "update files
46 set name_deleted = name, name = null
47 where hostid = $hostid and name = $name";
49 (* Now copy the old row, changing name_deleted back to name so the file
52 PGSQL(dbh) "insert into files
53 (hostid, name, content, title, mime_type, upload_date)
54 select hostid, name_deleted, content,
55 title, mime_type, upload_date
57 where hostid = $hostid and id = $id";
62 let buttons = [ ok_button "/_files" ] in
63 ok ~title:"File restored" ~buttons
64 r dbh hostid q "File was restored successfully."
66 q#redirect ("http://" ^ hostname ^ "/_files")
69 register_script ~restrict:[CanEdit] run