model_user

class Model_User extends \Orm\Model
{
  protected static $_belongs_to = array(
    'department' => array(
   'cascade_save' => true,
   'cascade_delete' => true,
    ));

 protected static $_properties = array(
  'id',
  'username' => array(
    'validation' => array('required'),
    ),
  'department_id' => array(
    'validation' => array('required'),
    ),
  'created_at',
  'updated_at'
 );

 protected static $_observers = array(
  'Orm\Observer_CreatedAt' => array(
   'events' => array('before_insert'),
   'mysql_timestamp' => false,
  ),
  'Orm\Observer_UpdatedAt' => array(
   'events' => array('before_save'),
   'mysql_timestamp' => false,
  ),
  'Orm\\Observer_Validation' => array('before_save'),
 );
}