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<?php
/**
* Kunena Component
* @package Kunena.Framework
* @subpackage Forum.Menu
*
* @copyright (C) 2008 - 2016 Kunena Team. All rights reserved.
* @copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link https://www.kunena.org
**/
defined ( '_JEXEC' ) or die ();
KunenaMenuFix::initialize();
/**
* Class KunenaMenuFix
*/
abstract class KunenaMenuFix
{
/**
* @var array|StdClass[]
*/
public static $items = array();
public static $filtered = array();
public static $aliases = array();
public static $invalid = array();
public static $legacy = array();
public static $same = array();
public static $structure = null;
public static $parent = null;
public static function initialize()
{
self::load();
self::build();
}
/**
* Loads the entire menu table into memory (taken from Joomla 1.7.3).
*
* @return array
*/
protected static function load()
{
// Initialise variables.
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select('m.id, m.menutype, m.title, m.alias, m.path AS route, m.link, m.type, m.level, m.language');
$query->select('m.browserNav, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id');
$query->select('e.element as component, m.published');
$query->from('#__menu AS m');
$query->leftJoin('#__extensions AS e ON m.component_id = e.extension_id');
$query->where('m.parent_id > 0');
$query->where('m.client_id = 0');
$query->order('m.lft');
// Set the query
$db->setQuery($query);
if (!(self::$items = $db->loadObjectList('id')))
{
JError::raiseWarning(500, JText::sprintf('JERROR_LOADING_MENUS', $db->getErrorMsg()));
return false;
}
foreach(self::$items as &$item)
{
// Get parent information.
$parent_tree = array();
if (isset(self::$items[$item->parent_id]))
{
$parent_tree = self::$items[$item->parent_id]->tree;
}
// Create tree
$parent_tree[] = $item->id;
$item->tree = $parent_tree;
// Create the query array.
$url = str_replace('index.php?', '', $item->link);
$url = str_replace('&', '&', $url);
parse_str($url, $item->query);
}
}
public static function getLegacy()
{
$items = array();
foreach (self::$legacy as $itemid)
{
$items[$itemid] = self::$items[$itemid];
}
return $items;
}
public static function fixLegacy()
{
$errors = array();
foreach (self::$legacy as $itemid)
{
$item = self::$items[$itemid];
KunenaRouteLegacy::convertMenuItem($item);
$table = JTable::getInstance ( 'menu' );
$table->load($item->id);
$data = array (
'link' => $item->link,
'params' => $item->params,
);
if (! $table->bind ( $data ) || ! $table->check () || ! $table->store ())
{
$errors[] = "{$item->route} (#{$item->id}): {$table->getError()}";
}
}
KunenaMenuHelper::cleanCache();
return !empty($errors) ? $errors : null;
}
public static function delete($itemid)
{
// Only delete Kunena menu items
if (!isset(self::$items[$itemid]))
{
return false;
}
$table = JTable::getInstance ( 'menu' );
$result = $table->delete($itemid);
KunenaMenuHelper::cleanCache();
return $result;
}
public static function getAll()
{
$items = array();
foreach (self::$filtered as $itemid=>$targetid)
{
if ($targetid)
{
$items[$itemid] = self::$items[$itemid];
}
}
return $items;
}
public static function getAliases()
{
$items = array();
foreach (self::$aliases as $itemid=>$targetid)
{
$items[$itemid] = self::$items[$itemid];
}
return $items;
}
public static function getInvalid()
{
$items = array();
foreach (self::$invalid as $itemid=>$targetid)
{
$items[$itemid] = self::$items[$itemid];
}
return $items;
}
/**
* @deprecated in Kunena 3.0
*/
public static function getConflicts()
{
return array();
}
protected static function build()
{
if (!isset(self::$structure))
{
self::$structure = array();
foreach ( self::$items as $item )
{
if (! is_object ( $item ))
{
continue;
}
$itemid = null;
$view = null;
if ($item->type == 'alias' && !empty($item->query['Itemid']))
{
$realitem = empty(self::$items[$item->query['Itemid']]) ? null : self::$items[$item->query['Itemid']];
if (is_object ($realitem) && $realitem->type == 'component' && $realitem->component == 'com_kunena')
{
$itemid = $item->query['Itemid'];
self::$aliases[$item->id] = $itemid;
}
elseif (!$realitem)
{
$itemid = 0;
self::$invalid[$item->id] = $itemid;
}
$view = 'alias';
}
elseif ($item->type == 'component' && $item->component == 'com_kunena')
{
$itemid = $item->id;
$view = empty($item->query['view']) ? 'legacy' : $item->query['view'];
}
if ($itemid !== null && $view)
{
$language = isset($item->language) ? strtolower($item->language) : '*';
$home = self::getHome($item);
self::$filtered[$item->id] = $itemid;
self::$same[$item->route][$item->id] = $item;
self::$structure[$language][$home ? $home->id : 0][$view][$item->id] = $itemid;
if (KunenaRouteLegacy::isLegacy($view))
{
self::$legacy[$item->id] = $item->id;
}
}
}
}
}
/**
* @param StdClass $item
*
* @return object
*/
protected static function getHome($item)
{
if (!$item)
{
return null;
}
$id = $item->id;
if (!isset(self::$parent[$id]))
{
if ($item->type == 'component' && $item->component == 'com_kunena' && isset($item->query['view']) && ($item->query['view'] == 'home' || $item->query['view'] == 'entrypage'))
{
self::$parent[$id] = $item;
}
else
{
$parent = isset(self::$items[$item->parent_id]) ? self::$items[$item->parent_id] : null;
self::$parent[$id] = self::getHome($parent);
}
}
return self::$parent[$id];
}
}