/**
* Mark this item read/unread helper
*
* @param bool $unread Unread (True/False) (Default: False)
* @param bool $return True to return a string containing the SQL code to update this item, False to execute it (Default: False)
* @return string|null If $return is False, nothing will be returned, else the sql code to update this item
*/
protected function mark($unread = true, $return = false)
{
$this->notification_read = (bool) (!$unread);
if ($return) {
$where = array('notification_type_id = ' . (int) $this->notification_type_id, 'item_id = ' . (int) $this->item_id, 'user_id = ' . (int) $this->user_id);
$where = implode(' AND ', $where);
return $where;
} else {
$this->notification_manager->mark_notifications($this->get_type(), (int) $this->item_id, (int) $this->user_id, false, $this->notification_read);
}
}