$anonforum = $anonforums[$anonforumid];
$modcontext = context_module::instance($cm->id);
$cansub = false;
if (has_capability('mod/anonforum:viewdiscussion', $modcontext)) {
$cansub = true;
}
if ($cansub && $cm->visible == 0 && !has_capability('mod/anonforum:managesubscriptions', $modcontext)) {
$cansub = false;
}
if (!anonforum_is_forcesubscribed($anonforum)) {
$subscribed = anonforum_is_subscribed($USER->id, $anonforum);
if ((has_capability('moodle/course:manageactivities', $coursecontext, $USER->id) || $anonforum->forcesubscribe != ANONFORUM_DISALLOWSUBSCRIBE) && $subscribe && !$subscribed && $cansub) {
anonforum_subscribe($USER->id, $anonforumid);
} else {
if (!$subscribe && $subscribed) {
anonforum_unsubscribe($USER->id, $anonforumid);
}
}
}
}
$returnto = anonforum_go_back_to("index.php?id={$course->id}");
$shortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id)));
if ($subscribe) {
redirect($returnto, get_string('nowallsubscribed', 'anonforum', $shortname), 1);
} else {
redirect($returnto, get_string('nowallunsubscribed', 'anonforum', $shortname), 1);
}
}
/// First, let's process the general anonymous forums and build up a display
if ($generalanonforums) {
foreach ($generalanonforums as $anonforum) {
/**
* Given a new post, subscribes or unsubscribes as appropriate.
* Returns some text which describes what happened.
*
* @global objec
* @param object $post
* @param object $anonforum
*/
function anonforum_post_subscription($post, $anonforum)
{
global $USER;
$action = '';
$subscribed = anonforum_is_subscribed($USER->id, $anonforum);
if ($anonforum->forcesubscribe == ANONFORUM_FORCESUBSCRIBE) {
// database ignored
return "";
} elseif ($anonforum->forcesubscribe == ANONFORUM_DISALLOWSUBSCRIBE && !has_capability('moodle/course:manageactivities', context_course::instance($anonforum->course), $USER->id)) {
if ($subscribed) {
$action = 'unsubscribe';
// sanity check, following MDL-14558
} else {
return "";
}
} else {
// go with the user's choice
if (isset($post->subscribe)) {
// no change
if (!empty($post->subscribe) && $subscribed || empty($post->subscribe) && !$subscribed) {
return "";
} elseif (!empty($post->subscribe) && !$subscribed) {
$action = 'subscribe';
} elseif (empty($post->subscribe) && $subscribed) {
$action = 'unsubscribe';
}
}
}
$info = new stdClass();
$info->anonforum = $anonforum->name;
if (empty($post->anonymouspost)) {
$info->name = fullname($USER);
} else {
$info->name = get_string('anonymoususer', 'anonforum');
}
switch ($action) {
case 'subscribe':
anonforum_subscribe($USER->id, $post->anonforum);
return "<p>" . get_string("nowsubscribed", "anonforum", $info) . "</p>";
case 'unsubscribe':
anonforum_unsubscribe($USER->id, $post->anonforum);
return "<p>" . get_string("nownotsubscribed", "anonforum", $info) . "</p>";
}
}
}
$info = new stdClass();
$info->name = fullname($user);
$info->anonforum = format_string($anonforum->name);
if (anonforum_is_subscribed($user->id, $anonforum->id)) {
if (is_null($sesskey)) {
// we came here via link in email
$PAGE->set_title($course->shortname);
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
echo $OUTPUT->confirm(get_string('confirmunsubscribe', 'anonforum', format_string($anonforum->name)), new moodle_url($PAGE->url, array('sesskey' => sesskey())), new moodle_url('/mod/anonforum/view.php', array('f' => $id)));
echo $OUTPUT->footer();
exit;
}
require_sesskey();
if (anonforum_unsubscribe($user->id, $anonforum->id)) {
if (empty($anonforum->anonymous)) {
$params = array('context' => $context, 'courseid' => $course->id, 'anonymous' => 1, 'other' => array('forumid' => $anonforum->id, '$cm->id' => $cm->id, 'action' => 'unsubscribe'));
$event = mod_anonforum\event\subscription_deleted::create($params);
$event->add_record_snapshot('anonforum', $anonforum);
$event->trigger();
}
redirect($returnto, get_string("nownotsubscribed", "anonforum", $info), 1);
} else {
print_error('cannotunsubscribe', 'anonforum', $_SERVER["HTTP_REFERER"]);
}
} else {
// subscribe
if ($anonforum->forcesubscribe == ANONFORUM_DISALLOWSUBSCRIBE && !has_capability('mod/anonforum:managesubscriptions', $context)) {
print_error('disallowsubscribe', 'anonforum', $_SERVER["HTTP_REFERER"]);
}
// It has to be one or the other, not both or neither.
if (!($subscribe xor $unsubscribe)) {
print_error('invalidaction');
}
if ($subscribe) {
$users = $subscriberselector->get_selected_users();
foreach ($users as $user) {
if (!anonforum_subscribe($user->id, $id)) {
print_error('cannotaddsubscriber', 'anonforum', '', $user->id);
}
}
} else {
if ($unsubscribe) {
$users = $existingselector->get_selected_users();
foreach ($users as $user) {
if (!anonforum_unsubscribe($user->id, $id)) {
print_error('cannotremovesubscriber', 'anonforum', '', $user->id);
}
}
}
}
$subscriberselector->invalidate_selected_users();
$existingselector->invalidate_selected_users();
$subscriberselector->set_existing_subscribers($existingselector->find_users(''));
}
$strsubscribers = get_string("subscribers", "anonforum");
$PAGE->navbar->add($strsubscribers);
$PAGE->set_title($strsubscribers);
$PAGE->set_heading($COURSE->fullname);
if (has_capability('mod/anonforum:managesubscriptions', $context)) {
$PAGE->set_button(anonforum_update_subscriptions_button($course->id, $id));
