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<?php
/**
* @package Joomla.Platform
* @subpackage Table
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Table class supporting modified pre-order tree traversal behavior.
*
* @link https://docs.joomla.org/JTableAsset
* @since 11.1
*/
class JTableAsset extends JTableNested
{
/**
* The primary key of the asset.
*
* @var integer
* @since 11.1
*/
public $id = null;
/**
* The unique name of the asset.
*
* @var string
* @since 11.1
*/
public $name = null;
/**
* The human readable title of the asset.
*
* @var string
* @since 11.1
*/
public $title = null;
/**
* The rules for the asset stored in a JSON string
*
* @var string
* @since 11.1
*/
public $rules = null;
/**
* Constructor
*
* @param JDatabaseDriver $db Database driver object.
*
* @since 11.1
*/
public function __construct($db)
{
parent::__construct('#__assets', 'id', $db);
}
/**
* Method to load an asset by its name.
*
* @param string $name The name of the asset.
*
* @return integer
*
* @since 11.1
*/
public function loadByName($name)
{
$query = $this->_db->getQuery(true)
->select($this->_db->quoteName('id'))
->from($this->_db->quoteName('#__assets'))
->where($this->_db->quoteName('name') . ' = ' . $this->_db->quote($name));
$this->_db->setQuery($query);
$assetId = (int) $this->_db->loadResult();
if (empty($assetId))
{
return false;
}
return $this->load($assetId);
}
/**
* Assert that the nested set data is valid.
*
* @return boolean True if the instance is sane and able to be stored in the database.
*
* @link https://docs.joomla.org/JTable/check
* @since 11.1
*/
public function check()
{
$this->parent_id = (int) $this->parent_id;
if (empty($this->rules))
{
$this->rules = '{}';
}
// JTableNested does not allow parent_id = 0, override this.
if ($this->parent_id > 0)
{
// Get the JDatabaseQuery object
$query = $this->_db->getQuery(true)
->select('COUNT(id)')
->from($this->_db->quoteName($this->_tbl))
->where($this->_db->quoteName('id') . ' = ' . $this->parent_id);
$this->_db->setQuery($query);
if ($this->_db->loadResult())
{
return true;
}
else
{
$this->setError('Invalid Parent ID');
return false;
}
}
return true;
}
}