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: edit_image.ml,v 1.1 2004/11/01 17:05:14 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.
29 open Cocanwiki_strings
30 open Cocanwiki_emailnotify
32 let run r (q : cgi) (dbh : Dbi.connection) hostid {hostname = hostname} user =
33 let id = int_of_string (q#param "id") in
36 let alt = q#param "alt" in
37 let title = q#param "title" in
38 let longdesc = q#param "longdesc" in
39 let clazz = q#param "class" in
41 (* Check some ALT text was supplied. *)
42 if string_is_whitespace alt then (
43 error ~title:"Missing Alt text" ~back_button:true
44 q ("You must supply Alt text describing the image. This is required " ^
45 "by accessibility laws and to allow search engines to discover the " ^
46 "content of images.");
50 let title = if string_is_whitespace title then `Null else `String title in
52 if string_is_whitespace longdesc then `Null else `String longdesc in
53 let clazz = if string_is_whitespace clazz then `Null else `String clazz in
56 let sth = dbh#prepare_cached "update images set alt = ?, title = ?,
57 longdesc = ?, class = ?
58 where hostid = ? and id = ?
59 and name is not null" in
60 sth#execute [`String alt; title; longdesc; clazz;
61 `Int hostid; `Int id];
64 let subject = "Description fields on image #" ^
65 string_of_int id ^ " where changed." in
66 let body = fun () -> "Page: http://" ^ hostname ^ "/_images" in
68 email_notify ~body ~subject ~user dbh hostid;
73 let buttons = [ ok_button "/_images" ] in
74 ok ~title:"Description fields updated" ~buttons
75 q "The description fields were updated."
78 register_script ~restrict:[CanEdit] run