public function search()
{
$criteria = new \CDbCriteria();
$criteria->compare('id', $this->id, true);
$criteria->compare('name', $this->name, true);
$criteria->compare('description', $this->description, true);
$criteria->compare('booking_weeks', $this->booking_weeks, true);
return new \CActiveDataProvider(get_class($this), array('criteria' => $criteria));
}