require_sesskey();
switch ($mode) {
case HSUFORUM_CHOOSESUBSCRIBE:
// 0
hsuforum_forcesubscribe($forum->id, HSUFORUM_CHOOSESUBSCRIBE);
redirect($returnto, get_string("everyonecannowchoose", "hsuforum"), 1);
break;
case HSUFORUM_FORCESUBSCRIBE:
// 1
hsuforum_forcesubscribe($forum->id, HSUFORUM_FORCESUBSCRIBE);
redirect($returnto, get_string("everyoneisnowsubscribed", "hsuforum"), 1);
break;
case HSUFORUM_INITIALSUBSCRIBE:
// 2
if ($forum->forcesubscribe != HSUFORUM_INITIALSUBSCRIBE) {
$users = hsuforum_get_potential_subscribers($context, 0, 'u.id, u.email', '');
foreach ($users as $user) {
hsuforum_subscribe($user->id, $forum->id);
}
}
hsuforum_forcesubscribe($forum->id, HSUFORUM_INITIALSUBSCRIBE);
redirect($returnto, get_string("everyoneisnowsubscribed", "hsuforum"), 1);
break;
case HSUFORUM_DISALLOWSUBSCRIBE:
// 3
hsuforum_forcesubscribe($forum->id, HSUFORUM_DISALLOWSUBSCRIBE);
redirect($returnto, get_string("noonecansubscribenow", "hsuforum"), 1);
break;
default:
print_error(get_string('invalidforcesubscribe', 'hsuforum'));
}
/**
* Returns list of user objects that are subscribed to this forum
*
* @global object
* @global object
* @param object $course the course
* @param forum $forum the forum
* @param integer $groupid group id, or 0 for all.
* @param object $context the forum context, to save re-fetching it where possible.
* @param string $fields requested user fields (with "u." table prefix)
* @return array list of users.
*/
function hsuforum_subscribed_users($course, $forum, $groupid = 0, $context = null, $fields = null)
{
global $CFG, $DB;
$allnames = get_all_user_name_fields(true, 'u');
if (empty($fields)) {
$fields = "u.id,\n u.username,\n {$allnames},\n u.maildisplay,\n u.mailformat,\n u.maildigest,\n u.imagealt,\n u.email,\n u.emailstop,\n u.city,\n u.country,\n u.lastaccess,\n u.lastlogin,\n u.picture,\n u.timezone,\n u.theme,\n u.lang,\n u.trackforums,\n u.mnethostid";
}
if (empty($context)) {
$cm = get_coursemodule_from_instance('hsuforum', $forum->id, $course->id);
$context = context_module::instance($cm->id);
}
if (hsuforum_is_forcesubscribed($forum)) {
$results = hsuforum_get_potential_subscribers($context, $groupid, $fields, "u.email ASC");
} else {
// only active enrolled users or everybody on the frontpage
list($esql, $params) = get_enrolled_sql($context, '', $groupid, true);
$params['forumid'] = $forum->id;
$results = $DB->get_records_sql("SELECT {$fields}\n FROM {user} u\n JOIN ({$esql}) je ON je.id = u.id\n JOIN {hsuforum_subscriptions} s ON s.userid = u.id\n WHERE s.forum = :forumid\n ORDER BY u.email ASC", $params);
}
// Guest user should never be subscribed to a forum.
unset($results[$CFG->siteguest]);
$cm = get_coursemodule_from_instance('hsuforum', $forum->id);
$modinfo = get_fast_modinfo($cm->course);
$mod = $modinfo->get_cm($cm->id);
$info = new \core_availability\info_module($mod);
return $info->filter_user_list($results);
}
