CoCoMa Code

<?php
/**
 *	@package Main
 */
/**
 *	@package CoCoMa
*/
class Group extends AppModel {
  var $name = 'Group';
  var $primaryKey = 'id';
  var $actsAs = array('Acl' => array('Aro'));
  
  var $belongsTo = array(
  			'ParentGroup' => array(
	  			'className' => 'Group',
	  			'foreignKey' => 'parent_id'
	  		)
  );
  
  function beforeSave()
  {
  		if(empty($this->data["Group"]["parent_id"])) $this->data["Group"]["parent_id"] = NULL; 
  		return true;
  }
  
  
  function parentNode(){
    if (!$this->id) {
      return null;
    }

    $data = $this->read();

    if (!$data['Group']['parent_id']){
      return null;
    } else {
       return array('model' => 'Group', 'foreign_key' => $data['Group']['parent_id']);
    }
  }

  	
  
}
?>