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<?php
/**
* @version $Id$
* @package Koowa_Database
* @subpackage Behavior
* @copyright Copyright (C) 2007 - 2012 Johan Janssens. All rights reserved.
* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html>
*/
/**
* Database Modifiable Behavior
*
* @author Johan Janssens <johan@nooku.org>
* @package Koowa_Database
* @subpackage Behavior
*/
class KDatabaseBehaviorModifiable extends KDatabaseBehaviorAbstract
{
/**
* Initializes the options for the object
*
* Called from {@link __construct()} as a first step of object instantiation.
*
* @param object An optional KConfig object with configuration options
* @return void
*/
protected function _initialize(KConfig $config)
{
$config->append(array(
'priority' => KCommand::PRIORITY_LOW,
));
parent::_initialize($config);
}
/**
* Get the methods that are available for mixin based
*
* This function conditionaly mixes the behavior. Only if the mixer
* has a 'modified_by' or 'modified_by' property the behavior will
* be mixed in.
*
* @param object The mixer requesting the mixable methods.
* @return array An array of methods
*/
public function getMixableMethods(KObject $mixer = null)
{
$methods = array();
if(isset($mixer->modified_by) || isset($mixer->modified_on)) {
$methods = parent::getMixableMethods($mixer);
}
return $methods;
}
/**
* Set modified information
*
* Requires a 'modified_on' and 'modified_by' column
*
* @return void
*/
protected function _beforeTableUpdate(KCommandContext $context)
{
//Get the modified columns
$modified = $this->getTable()->filter(array_flip($this->getModified()));
if(!empty($modified))
{
if(isset($this->modified_by)) {
$this->modified_by = (int) JFactory::getUser()->get('id');
}
if(isset($this->modified_on)) {
$this->modified_on = gmdate('Y-m-d H:i:s');
}
}
}
}
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