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 1.9 2006/07/31 09:49:45 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_addr =
45 | Some Anonymous -> 0l, None
46 | Some (User (userid, _, _, {email = Some email})) ->
47 userid, Some ("", email)
48 | Some (User (userid, _, _, _)) ->
51 (* Send a change email to everyone who hasn't opted out using
52 * their preferences. This behaviour replaces the old
53 * 'email_notify' table. Don't send email to invited accounts
54 * who have not yet confirmed.
59 where hostid = $hostid and id <> $own_userid and email_notify
60 and email is not null and invite is null" in
61 let to_addrs = List.filter_map (
63 | (name, Some email) ->
65 | (name, None) -> None
68 (* Get the canonical hostname. *)
69 let canonical_hostname = List.hd (
71 "select canonical_hostname from hosts where id = $hostid"
74 if to_addrs <> [] then (
75 (* Prepare the body of the message. The assumption is that
76 * this takes time and database access, so we defer the creation
77 * of the body until we know that someone needs to be notified.
81 (* Add the opt-out signature to the body. *)
82 let body = body ^ "\n\n-- \n" ^
83 "To stop receiving further emails:\n" ^
84 "(1) Go to http://" ^ canonical_hostname ^ "/_userprefs\n" ^
85 "(2) Uncheck 'Receive email notifications'\n" ^
86 "(3) Press 'Update Preferences'\n" in
88 let subject = canonical_hostname ^ ": " ^ subject in
91 "text/plain", ["charset", Mimestring.mk_param "UTF-8"] in
95 Netsendmail.compose ~to_addrs ?from_addr ~content_type ~subject body in
96 Netsendmail.sendmail msg