<?php
/**
* @version $Id: asset.php 20196 2011-01-09 02:40:25Z ian $
* @package Joomla.Framework
* @subpackage Database
* @copyright Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('JPATH_BASE') or die;
jimport('joomla.database.tablenested');
/**
* Table class supporting modified pre-order tree traversal behavior.
*
* @package Joomla.Framework
* @subpackage Database
* @since 1.6
* @link http://docs.joomla.org/JTableAsset
*/
class JTableAsset extends JTableNested
{
/**
* The primary key of the asset.
*
* @var int
*/
public $id = null;
/**
* The unique name of the asset.
*
* @var string
*/
public $name = null;
/**
* The human readable title of the asset.
*
* @var string
*/
public $title = null;
/**
* @var string
*/
public $rules = null;
/**
* @param database A database connector object
*/
public function __construct(&$db)
{
parent::__construct('#__assets', 'id', $db);
}
/**
* Method to load an asset by it's name.
*
* @param string The name of the asset.
*
* @return int
*/
public function loadByName($name)
{
// Get the asset id for the asset.
$this->_db->setQuery(
'SELECT `id`' .
' FROM `#__assets`' .
' WHERE `name` = '.$this->_db->Quote($name)
);
$assetId = (int) $this->_db->loadResult();
if (empty($assetId)) {
return false;
}
// Check for a database error.
if ($error = $this->_db->getErrorMsg())
{
$this->setError($error);
return false;
}
return $this->load($assetId);
}
/**
* Asset that the nested set data is valid.
*
* @return boolean True if the instance is sane and able to be stored in the database.
* @since 1.0
* @link http://docs.joomla.org/JTable/check
*/
public function check()
{
$this->parent_id = (int) $this->parent_id;
// JTableNested does not allow parent_id = 0, override this.
if ($this->parent_id > 0)
{
$this->_db->setQuery(
'SELECT COUNT(id)' .
' FROM '.$this->_db->nameQuote($this->_tbl).
' WHERE `id` = '.$this->parent_id
);
if ($this->_db->loadResult()) {
return true;
}
else
{
if ($error = $this->_db->getErrorMsg()) {
$this->setError($error);
}
else {
$this->setError(JText::_('JLIB_DATABASE_ERROR_INVALID_PARENT_ID'));
}
return false;
}
}
return true;
}
}