}
$info = new stdClass();
$info->name = fullname($user);
$info->forum = format_string($forum->name);
if (hsuforum_is_subscribed($user->id, $forum->id)) {
if (is_null($sesskey)) {
// we came here via link in email
$PAGE->set_title($course->shortname);
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
echo $OUTPUT->confirm(get_string('confirmunsubscribe', 'hsuforum', format_string($forum->name)), new moodle_url($PAGE->url, array('sesskey' => sesskey())), new moodle_url('/mod/hsuforum/view.php', array('f' => $id)));
echo $OUTPUT->footer();
exit;
}
require_sesskey();
if (hsuforum_unsubscribe($user->id, $forum->id)) {
redirect($returnto, get_string("nownotsubscribed", "hsuforum", $info), 1);
} else {
print_error('cannotunsubscribe', 'hsuforum', $_SERVER["HTTP_REFERER"]);
}
} else {
// subscribe
if ($forum->forcesubscribe == HSUFORUM_DISALLOWSUBSCRIBE && !has_capability('mod/hsuforum:managesubscriptions', $context)) {
print_error('disallowsubscribe', 'hsuforum', $_SERVER["HTTP_REFERER"]);
}
if (!has_capability('mod/hsuforum:viewdiscussion', $context)) {
print_error('noviewdiscussionspermission', 'hsuforum', $_SERVER["HTTP_REFERER"]);
}
if (is_null($sesskey)) {
// we came here via link in email
$PAGE->set_title($course->shortname);
$forum = $forums[$forumid];
$modcontext = context_module::instance($cm->id);
$cansub = false;
if (has_capability('mod/hsuforum:viewdiscussion', $modcontext)) {
$cansub = true;
}
if ($cansub && $cm->visible == 0 && !has_capability('mod/hsuforum:managesubscriptions', $modcontext)) {
$cansub = false;
}
if (!hsuforum_is_forcesubscribed($forum)) {
$subscribed = hsuforum_is_subscribed($USER->id, $forum);
if ((has_capability('moodle/course:manageactivities', $coursecontext, $USER->id) || $forum->forcesubscribe != HSUFORUM_DISALLOWSUBSCRIBE) && $subscribe && !$subscribed && $cansub) {
hsuforum_subscribe($USER->id, $forumid, $modcontext);
} else {
if (!$subscribe && $subscribed) {
hsuforum_unsubscribe($USER->id, $forumid, $modcontext);
}
}
}
}
$returnto = hsuforum_go_back_to("index.php?id={$course->id}");
$shortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id)));
if ($subscribe) {
redirect($returnto, get_string('nowallsubscribed', 'hsuforum', $shortname), 1);
} else {
redirect($returnto, get_string('nowallunsubscribed', 'hsuforum', $shortname), 1);
}
}
/// First, let's process the general forums and build up a display
if ($generalforums) {
foreach ($generalforums as $forum) {
/**
* Given a new post, subscribes or unsubscribes as appropriate.
* Returns some text which describes what happened.
*
* @global objec
* @param object $post
* @param object $forum
*/
function hsuforum_post_subscription($post, $forum)
{
global $USER;
$action = '';
$subscribed = hsuforum_is_subscribed($USER->id, $forum);
if ($forum->forcesubscribe == HSUFORUM_FORCESUBSCRIBE) {
// database ignored
return "";
} elseif ($forum->forcesubscribe == HSUFORUM_DISALLOWSUBSCRIBE && !has_capability('moodle/course:manageactivities', context_course::instance($forum->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();
$info->name = fullname($USER);
$info->forum = format_string($forum->name);
switch ($action) {
case 'subscribe':
hsuforum_subscribe($USER->id, $post->forum);
return "<p>" . get_string("nowsubscribed", "hsuforum", $info) . "</p>";
case 'unsubscribe':
hsuforum_unsubscribe($USER->id, $post->forum);
return "<p>" . get_string("nownotsubscribed", "hsuforum", $info) . "</p>";
}
}
/** It has to be one or the other, not both or neither */
if (!($subscribe xor $unsubscribe)) {
print_error('invalidaction');
}
if ($subscribe) {
$users = $subscriberselector->get_selected_users();
foreach ($users as $user) {
if (!hsuforum_subscribe($user->id, $id)) {
print_error('cannotaddsubscriber', 'hsuforum', '', $user->id);
}
}
} else {
if ($unsubscribe) {
$users = $existingselector->get_selected_users();
foreach ($users as $user) {
if (!hsuforum_unsubscribe($user->id, $id)) {
print_error('cannotremovesubscriber', 'hsuforum', '', $user->id);
}
}
}
}
$subscriberselector->invalidate_selected_users();
$existingselector->invalidate_selected_users();
$subscriberselector->set_existing_subscribers($existingselector->find_users(''));
}
$strsubscribers = get_string("subscribers", "hsuforum");
$PAGE->navbar->add($strsubscribers);
$PAGE->set_title($strsubscribers);
$PAGE->set_heading($COURSE->fullname);
if (has_capability('mod/hsuforum:managesubscriptions', $context)) {
if ($edit != -1) {
$PAGE->set_context(context_user::instance($USER->id));
$return = $CFG->wwwroot . '/';
if (isguestuser()) {
redirect($return);
}
$strunsubscribeall = get_string('unsubscribeall', 'hsuforum');
$PAGE->navbar->add(get_string('modulename', 'hsuforum'));
$PAGE->navbar->add($strunsubscribeall);
$PAGE->set_title($strunsubscribeall);
$PAGE->set_heading($COURSE->fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading($strunsubscribeall);
if (data_submitted() and $confirm and confirm_sesskey()) {
$forums = hsuforum_get_optional_subscribed_forums();
foreach ($forums as $forum) {
hsuforum_unsubscribe($USER->id, $forum->id, context_module::instance($forum->cm));
}
$DB->set_field('user', 'autosubscribe', 0, array('id' => $USER->id));
echo $OUTPUT->box(get_string('unsubscribealldone', 'hsuforum'));
echo $OUTPUT->continue_button($return);
echo $OUTPUT->footer();
die;
} else {
$a = count(hsuforum_get_optional_subscribed_forums());
if ($a) {
$msg = get_string('unsubscribeallconfirm', 'hsuforum', $a);
echo $OUTPUT->confirm($msg, new moodle_url('unsubscribeall.php', array('confirm' => 1)), $return);
echo $OUTPUT->footer();
die;
} else {
echo $OUTPUT->box(get_string('unsubscribeallempty', 'hsuforum'));