Mass change related to separating forum from discuss and making it a
[moodle.git] / mod / forum / subscribe.php
CommitLineData
f93f848a 1<?PHP // $Id$
2
3// Subscribe to or unsubscribe from a forum.
4
5 require("../../config.php");
6 require("lib.php");
7
8 require_variable($id); // The forum to subscribe or unsubscribe to
9
10 if (isguest()) {
11 error("Guests are not allowed to subscribe to posts.", $HTTP_REFERER);
12 }
13
14 if (! $forum = get_record("forum", "id", $id)) {
15 error("Forum ID was incorrect");
16 }
17
18 if (! $course = get_record("course", "id", $forum->course)) {
19 error("Forum doesn't belong to a course!");
20 }
21
22 if ($course->category) {
23 require_login($forum->course);
24 } else {
25 require_login();
26 }
27
28 $returnto = go_back_to("index.php?id=$course->id");
29
30 if ( is_subscribed($USER->id, $forum->id) ) {
31 if (forum_unsubscribe($USER->id, $forum->id) ) {
32 add_to_log($course->id, "forum", "unsubscribe", "index.php?id=$course->id", "$forum->id");
33 redirect($returnto, "You are now NOT subscribed to receive '$forum->name' by email.", 1);
34 } else {
35 error("Could not unsubscribe you from that forum", "$HTTP_REFERER");
36 }
37
38 } else { // subscribe
39 if (forum_subscribe($USER->id, $forum->id) ) {
40 add_to_log($course->id, "forum", "subscribe", "index.php?id=$course->id", "$forum->id");
41 redirect($returnto, "You are now subscribed to recieve '$forum->name' by email.", 1);
42 } else {
43 error("Could not subscribe you to that forum", "$HTTP_REFERER");
44 }
45 }
46
47?>