/**
* Get a list of users that are authorised to receive notifications
*
* @param array $users Array of users that have subscribed to a notification
* @param int $forum_id Forum ID of the forum
* @param array $options Array of notification options
* @param bool $sort Whether the users array should be sorted. Default: false
* @return array Array of users that are authorised recipients
*/
protected function get_authorised_recipients($users, $forum_id, $options, $sort = false)
{
if (empty($users)) {
return array();
}
$users = array_unique($users);
if ($sort) {
sort($users);
}
$auth_read = $this->auth->acl_get_list($users, 'f_read', $forum_id);
if (empty($auth_read)) {
return array();
}
return $this->check_user_notification_options($auth_read[$forum_id]['f_read'], $options);
}