public function search()
{
$criteria = new CDbCriteria();
$criteria->compare('id', $this->id, true);
$criteria->compare('name', $this->name, true);
$criteria->compare('code', $this->code, true);
$criteria->compare('description', $this->description, true);
$criteria->compare('status', $this->status);
return new CActiveDataProvider(get_class($this), ['criteria' => $criteria, 'sort' => ['defaultOrder' => 'status DESC, id']]);
}