<?php

//extend subject observer

Class Group Extends EntitySubject{
		  
	private $id;
	private $name;

	public function __construct(){
			  
		//PHYSIC TABLE DEFINITION for Group
		//-----------------------------------------------------
		$tablename = 'groupdef';
		
		$field_id = 'group_id';
		$field_name = 'description';
		//-----------------------------------------------------
		
		$rawfields = array('id'=>$field_id,'name'=>$field_name);
		parent::__construct($tablename,$field_id,array($field_name),$rawfields,1);
	}

	public function isGroupExist($groupname){
		return parent::isExistByCondition($this->getField('name').'=\''.$groupname.'\'');
	}	
  	//notify all observers that item is being deleted
	public function remove($id){
		parent::remove($id);
		parent::notifyObservers($id);
	}

	//this is only wrapper to provide single object
	//just copy paste for all children
	public function selectByID($id){
		$tempobj = parent::selectByID($id);
		if($tempobj){
			foreach($this->rawfields as $key => $value){
				$this->$key = $tempobj->$value;
			}
		}
	}
	public function getName(){
		return $this->name;
	}
	public function getID(){
		return $this->id;
	}
	
	public function __destruct(){
		parent::__destruct();	
	}
}

?>