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: cocanwiki_emailnotify.ml,v 1.8 2006/04/08 14:46:24 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.
31 (* This is where we coordinate email notification from various
32 * scripts which create or update the wiki.
34 let email_notify ~subject ~body ?user dbh hostid =
35 (* Get own userid, if we have it. Don't want to send email
36 * notification back to the person who changed the page. If
37 * we don't have a userid, set it to 0, because no real user can
40 * Also get the user's email address.
42 let own_userid, from =
45 | Some Anonymous -> 0l, None
46 | Some (User (userid, _, _, prefs)) -> userid, prefs.email in
48 (* Send a change email to everyone who hasn't opted out using
49 * their preferences. This behaviour replaces the old
50 * 'email_notify' table. Don't send email to invited accounts
51 * who have not yet confirmed.
56 where hostid = $hostid and id <> $own_userid and email_notify
57 and email is not null and invite is null" in
58 let to_addr = List.filter_map (
60 | (name, Some email) ->
61 Some ("\"" ^ name ^ "\" <" ^ email ^ ">")
62 | (name, None) -> None
65 (* Get the canonical hostname. *)
66 let canonical_hostname = List.hd (
68 "select canonical_hostname from hosts where id = $hostid"
71 if to_addr <> [] then (
72 (* Prepare the body of the message. The assumption is that
73 * this takes time and database access, so we defer the creation
74 * of the body until we know that someone needs to be notified.
78 (* Add the opt-out signature to the body. *)
79 let body = body ^ "\n\n-- \n" ^
80 "To stop receiving further emails:\n" ^
81 "(1) Go to http://" ^ canonical_hostname ^ "/_userprefs\n" ^
82 "(2) Uncheck 'Receive email notifications'\n" ^
83 "(3) Press 'Update Preferences'\n" in
85 let subject = canonical_hostname ^ ": " ^ subject in
88 Sendmail.send_mail ~subject ~to_addr ?from body