<?php
/**
 * @version		1.0.0
 * @category	Anahita Social Engine™
 * @copyright	Copyright (C) 2008 - 2010 rmdStudio Inc. and Peerglobe Technology Inc. All rights reserved.
 * @license		GNU GPLv2 <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
 * @link     	http://www.anahitapolis.com
 */

class AnModelEdge extends AnDomainModelAbstract
{	
	static function describe($model) 
	{
		$model->useTable('socialengine_edges AS edge');
		
		$model->property('id',	 					 array('field'=>'edge.socialengine_edge_id', 'unique'=>true));
		$model->belongsTo('application',	  		 array('required'=>true,'model'=>'lib.anahita.model.application', 'child_key'=>'edge.component', 'parent_key'=>'component'));
		
		$model->belongsTo('author',	           array('required'=> true, 'model'=>'lib.anahita.model.actor'  ,  'child_key'=>'edge.created_by'));		
		$model->property('creationTime',       array('required'=>true,  'class'=>'lib.anahita.type.date',	'initialize_with'=>array('date'=>"edge.created_on")));

		$model->belongsTo('editor',	             array('model'=>'lib.anahita.model.actor'  , 'child_key'=>'edge.modified_by'));		
		$model->property('lastUpdateTime',       array('default'=>0, 'class'=>'lib.anahita.type.date',	  'initialize_with'=>array('date'=>"edge.modified_on")));
		
		$model->belongsTo('nodeA',			  	  array('required'=>true, 'model'=>'lib.anahita.model.actor', 'child_key'=>'edge.node_a_id' ));
		$model->belongsTo('nodeB',			  	  array('required'=>true, 'model'=>'lib.anahita.model.node',  'child_key'=>'edge.node_b_id' ));
		
		$model->property('type',   			 	  array('required'=>true, 'field'=>'edge.type'));
		$model->property('meta',   				  array('field'=>'edge.meta'));
		$model->property('directed',   			  array('field'=>'edge.directed'));
		
		$model->setRepository('lib.anahita.model.edge.repository');
	}
	
	/**
	 * 
	 * @return 
	 * @param $author Object
	 */
	public function setAuthor($author)
	{
		if ( $this->_get('author') && !$this->isNew() ) 
			throw new AnModelEdgeException("author is already set");
		$this->_set('author', $author);
		$this->editor = $author;
		$this->lastUpdateTime = KFactory::tmp('lib.anahita.type.date');
	}
	
	/**
	 * 
	 * @return 
	 * @param $editor Object
	 */
	public function setEditor($editor)
	{
		$this->_set('editor', $editor);
		$this->_set('lastUpdateTime', KFactory::tmp('lib.anahita.type.date'));
	}
}