public function setSunpassNumber()
{
$this->table->sunpass = BookproHelper::randomString(5);
$this->_db->setQuery('select count(*) from #__bookpro_customer where sunpass LIKE ' . $this->_db->quote($this->table->sunpass));
if ($this->_db->loadResult()) {
//sunpass point dupplicate
return $this->setSunpassNumber();
}
$id_encode = md5($this->id);
$this->table->sunpass .= strtoupper($id_encode[0] . substr($id_encode, -1, 1));
return $this->store();
}
