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Created: Wed, Sep 24, 6:43 AM

modules_event_handler.php
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	<?php
	/**
	* @version $Id: modules_event_handler.php 13684 2010-06-09 12:35:12Z alex $
	* @package In-Portal
	* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
	* @license GNU/GPL
	* In-Portal is Open Source software.
	* This means that this software may have been modified pursuant
	* the GNU General Public License, and as distributed it includes
	* or is derivative of works licensed under the GNU General Public License
	* or other free or open source software licenses.
	* See http://www.in-portal.org/license for copyright notices and details.
	*/

	defined('FULL_PATH') or die('restricted access!');

	class ModulesEventHandler extends kDBEventHandler {

	/**
	* Builds item
	*
	* @param kEvent $event
	* @access protected
	*/
	function OnItemBuild(&$event)
	{
	$this->Application->SetVar($event->getPrefixSpecial(true).'_id', $event->Special);
	parent::OnItemBuild($event);
	}

	/**
	* List with one record if special passed
	*
	* @param kEvent $event
	*/
	function SetCustomQuery(&$event)
	{
	$object =& $event->getObject();
	if ($event->Special) {
	$object->addFilter('current_module', 'Name = '.$event->Special);
	}

	$object->addFilter('not_core', '%1$s.Name <> "Core"');
	}

	function mapEvents()
	{
	parent::mapEvents();
	$this->eventMethods['OnMassApprove'] = 'moduleAction';
	$this->eventMethods['OnMassDecline'] = 'moduleAction';
	}

	/**
	* Disabled modules, but not In-Portal
	*
	* @param kEvent $event
	*/
	function moduleAction(&$event)
	{
	if ($this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1)) {
	$event->status = erFAIL;
	return ;
	}

	$object =& $event->getObject( Array('skip_autoload' => true) );
	/* @var $object kDBItem */

	$ids = $this->StoreSelectedIDs($event);

	if (!$ids) {
	return ;
	}

	$updated = 0;
	$status_field = $this->Application->getUnitOption($event->Prefix, 'StatusField');
	$status_field = array_shift($status_field);

	foreach ($ids as $id) {
	$object->Load($id);

	if (in_array($id, Array ('In-Portal', 'Core')) \|\| !$object->isLoaded()) {
	// don't allow any kind of manupulations with kernel
	// approve/decline on not installed module
	continue;
	}

	$enabled = $event->Name == 'OnMassApprove' ? 1 : 0;
	$object->SetDBField($status_field, $enabled);

	if (!$object->GetChangedFields()) {
	// no changes -> skip
	continue;
	}

	if ($object->Update()) {
	$updated++;

	$sql = 'UPDATE ' . TABLE_PREFIX . 'ImportScripts
	SET Status = ' . $enabled . '
	WHERE Module = "' . $object->GetDBField('Name') . '"';
	$this->Conn->Query($sql);
	}
	else {
	$event->status = erFAIL;
	$event->redirect = false;
	break;
	}
	}

	if ($updated) {
	$event->status = erSUCCESS;
	$event->redirect_params = Array ('opener' => 's'); //stay!

	$this->Application->UnitConfigReader->ResetParsedData(true); //true to reset sections cache also
	$event->SetRedirectParam('RefreshTree', 1);
	}
	}

	/**
	* Occures after list is queried
	*
	* @param kEvent $event
	*/
	function OnAfterListQuery(&$event)
	{
	parent::OnAfterListQuery($event);

	$new_modules = $this->_getNewModules();
	if (!$new_modules \|\| $this->Application->RecallVar('user_id') != -1) {
	return ;
	}

	require_once FULL_PATH . '/core/install/install_toolkit.php';

	$toolkit = new kInstallToolkit();

	$object =& $event->getObject();
	/* @var $object kDBList */

	foreach ($new_modules as $module) {
	$module_record = Array (
	'Name' => $toolkit->getModuleName($module),
	'Path' => $module . '/',
	'Version' => $toolkit->GetMaxModuleVersion($module),
	'Loaded' => 0,
	'BuildDate' => null,
	);

	$object->addRecord($module_record);
	}
	}

	/**
	* Returns list of modules, that are not installed, but available in file system
	*
	* @return Array
	*/
	function _getNewModules()
	{
	$modules_helper =& $this->Application->recallObject('ModulesHelper');
	/* @var $modules_helper kModulesHelper */

	$modules = Array ();
	if ($dir = @opendir(MODULES_PATH)) {
	while (($file = readdir($dir)) !== false) {
	if ($file != '.' && $file != '..') {
	$module_folder = MODULES_PATH . '/' . $file;
	if (is_dir($module_folder) && $this->_isModule($module_folder)) {
	// this is module -> check if it's installed already
	if (!$modules_helper->moduleInstalled($file)) {
	$install_order = trim( file_get_contents($module_folder . '/install/install_order.txt') );
	$modules[$install_order] = $file;
	}
	}
	}
	}

	closedir($dir);
	}

	// allows to control module install order
	ksort($modules, SORT_NUMERIC);
	return $modules;
	}

	/**
	* Checks, that given folder is module root folder
	*
	* @param string $folder
	* @return bool
	*/
	function _isModule($folder)
	{
	return file_exists($folder . '/install.php') && file_exists($folder . '/install/install_schema.sql');
	}
	}

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