mirror of
https://github.com/moodle/moodle.git
synced 2025-02-08 00:52:33 +01:00
105 lines
3.9 KiB
PHP
105 lines
3.9 KiB
PHP
<?php // $Id$
|
|
|
|
// Subscribe to or unsubscribe from a forum.
|
|
|
|
require_once("../../config.php");
|
|
require_once("lib.php");
|
|
|
|
$id = required_param('id',PARAM_INT); // The forum to subscribe or unsubscribe to
|
|
$force = optional_param('force','',PARAM_ALPHA); // Force everyone to be subscribed to this forum?
|
|
$user = optional_param('user',0,PARAM_INT);
|
|
|
|
if (! $forum = $DB->get_record("forum", array("id" => $id))) {
|
|
print_error('invalidforumid', 'forum');
|
|
}
|
|
|
|
if (! $course = $DB->get_record("course", array("id" => $forum->course))) {
|
|
print_error('invalidcoursemodule');
|
|
}
|
|
|
|
if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
|
|
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
|
|
} else {
|
|
$cm->id = 0;
|
|
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
|
|
}
|
|
|
|
if ($user) {
|
|
if (!has_capability('mod/forum:managesubscriptions', $context)) {
|
|
print_error('nopermissiontosubscribe', 'forum');
|
|
}
|
|
if (!$user = $DB->get_record("user", array("id" => $user))) {
|
|
print_error('invaliduserid');
|
|
}
|
|
} else {
|
|
$user = $USER;
|
|
}
|
|
|
|
if (groupmode($course, $cm)
|
|
and !forum_is_subscribed($user->id, $forum)
|
|
and !has_capability('moodle/site:accessallgroups', $context)) {
|
|
if (!groups_get_all_groups($course->id, $USER->id)) {
|
|
print_error('cannotsubscribe', 'forum');
|
|
}
|
|
}
|
|
|
|
require_login($course->id, false, $cm);
|
|
|
|
if (isguest()) { // Guests can't subscribe
|
|
|
|
$navigation = build_navigation('', $cm);
|
|
print_header($course->shortname, $course->fullname, $navigation, '', '', true, "", navmenu($course, $cm));
|
|
|
|
notice_yesno(get_string('noguestsubscribe', 'forum').'<br /><br />'.get_string('liketologin'),
|
|
get_login_url(), $_SERVER['HTTP_REFERER']);
|
|
print_footer($course);
|
|
exit;
|
|
}
|
|
|
|
$returnto = optional_param('backtoindex',0,PARAM_INT)
|
|
? "index.php?id=".$course->id
|
|
: "view.php?f=$id";
|
|
|
|
if ($force and has_capability('mod/forum:managesubscriptions', $context)) {
|
|
if (forum_is_forcesubscribed($forum)) {
|
|
forum_forcesubscribe($forum->id, 0);
|
|
redirect($returnto, get_string("everyonecannowchoose", "forum"), 1);
|
|
} else {
|
|
forum_forcesubscribe($forum->id, 1);
|
|
redirect($returnto, get_string("everyoneisnowsubscribed", "forum"), 1);
|
|
}
|
|
}
|
|
|
|
if (forum_is_forcesubscribed($forum)) {
|
|
redirect($returnto, get_string("everyoneisnowsubscribed", "forum"), 1);
|
|
}
|
|
|
|
$info->name = fullname($user);
|
|
$info->forum = format_string($forum->name);
|
|
|
|
if (forum_is_subscribed($user->id, $forum->id)) {
|
|
if (forum_unsubscribe($user->id, $forum->id)) {
|
|
add_to_log($course->id, "forum", "unsubscribe", "view.php?f=$forum->id", $forum->id, $cm->id);
|
|
redirect($returnto, get_string("nownotsubscribed", "forum", $info), 1);
|
|
} else {
|
|
print_error('cannotunsubscribe', 'forum', $_SERVER["HTTP_REFERER"]);
|
|
}
|
|
|
|
} else { // subscribe
|
|
if ($forum->forcesubscribe == FORUM_DISALLOWSUBSCRIBE &&
|
|
!has_capability('mod/forum:managesubscriptions', $context)) {
|
|
print_error('disallowsubscribe', 'forum', $_SERVER["HTTP_REFERER"]);
|
|
}
|
|
if (!has_capability('mod/forum:viewdiscussion', $context)) {
|
|
print_error('cannotsubscribe', 'forum', $_SERVER["HTTP_REFERER"]);
|
|
}
|
|
if (forum_subscribe($user->id, $forum->id) ) {
|
|
add_to_log($course->id, "forum", "subscribe", "view.php?f=$forum->id", $forum->id, $cm->id);
|
|
redirect($returnto, get_string("nowsubscribed", "forum", $info), 1);
|
|
} else {
|
|
print_error('cannotsubscribe', 'forum', $_SERVER["HTTP_REFERER"]);
|
|
}
|
|
}
|
|
|
|
?>
|