<?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 AnModelComment extends AnDomainModelAbstract
{
	static public function describe($model)
	{
		$model->setTable('socialengine_comments AS comment');

		$model->property('id', 	     	      array('unique'  => true, 'field'=>'comment.socialengine_comment_id'));

		$model->property('body',    	      array('required'=> true, 'field'=>'comment.body', 'filter'=>'string'));

		$model->property('component',    	  array('required'=> true, 'field'=>'comment.component'));

		$model->property('creationTime',      array('required'=> true, 'class'=>'lib.anahita.type.date',	  'initialize_with'=>array('date'=>'comment.created_on')));

								
		$model->belongsTo('node',	     	  array('required'		   => true, 
													'polymorphic'      => true,
													'type_field' 	   => 'comment.node_type',
													'child_key'		   => 'comment.node_id'  ));

		$model->belongsTo('author',	 array('required'=> true, 'model'=>'lib.anahita.model.actor'  ,  'child_key'=>'comment.created_by'));
		
		$model->setRepository('lib.anahita.model.comment.repository');
	}
	
	/**
	 * Initialize a new comment
	 * @return 
	 */		
	public function awakeFromInsert()
	{					
		if ( is_null($this->component) ) {	
			$pkg = $this->getIdentifier()->package;
			if ( $pkg == 'anahita' ) $pkg = 'socialengine';
			$this->component = 'com_'.$pkg;
		}
	}
		
	/**
	 * Comment can be inserted if it's node is commentable
	 * @return 
	 */
	public function validateForInsert()
	{		
		return $this->node->getAcl()->canAddComment($this);
	}
	
	/**
	 * Comment by default can't be updated
	 * @return 
	 */
	public function validateForUpdate()
	{				
		return $this->node->getAcl()->canEditComment($this);
	}
	
	/**
	 * Comment is deletable if the author is the same as viewer
	 * @return 
	 */
	public function validateForDelete()
	{
		return $this->node->getAcl()->canDeleteComment($this);
	}
		
	/**
	 * Notify the node that this comment has been deleted
	 * @return 
	 */
	protected function _afterDelete()
	{
		$this->node->_notifyCommentDeleted($this);
	}
	
	/*
	protected function _beforeInsert(KCommandContext $context)
	{
		$context['data']['comment.owner_type'] = (string) $this->node->getIdentifier();
	}*/
	
	protected function _afterInsert()
	{
		$this->node->_notifyCommentInserted($this);
	}
	
	protected function _afterUpdate()
	{
		$this->node->_notifyCommentUpdated($this);
	}	
}