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<?php
/**
* @package Joomla.Site
* @subpackage com_newsfeeds
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* Newsfeeds Component Route Helper
*
* @since 1.5
*/
abstract class NewsfeedsHelperRoute
{
protected static $lookup;
/**
* getNewsfeedRoute
*
* @param int $id menu itemid
* @param int $catid category id
* @param int $language language
*
* @return string
*/
public static function getNewsfeedRoute($id, $catid, $language = 0)
{
$needles = array(
'newsfeed' => array((int) $id)
);
// Create the link
$link = 'index.php?option=com_newsfeeds&view=newsfeed&id=' . $id;
if ((int) $catid > 1)
{
$categories = JCategories::getInstance('Newsfeeds');
$category = $categories->get((int) $catid);
if ($category)
{
// TODO Throw error that the category either not exists or is unpublished
$needles['category'] = array_reverse($category->getPath());
$needles['categories'] = $needles['category'];
$link .= '&catid=' . $catid;
}
}
if ($language && $language != "*" && JLanguageMultilang::isEnabled())
{
$link .= '&lang=' . $language;
$needles['language'] = $language;
}
if ($item = self::_findItem($needles))
{
$link .= '&Itemid=' . $item;
}
return $link;
}
/**
* getCategoryRoute
*
* @param int $catid category id
* @param int $language language
*
* @return string
*/
public static function getCategoryRoute($catid, $language = 0)
{
if ($catid instanceof JCategoryNode)
{
$id = $catid->id;
$category = $catid;
}
else
{
$id = (int) $catid;
$category = JCategories::getInstance('Newsfeeds')->get($id);
}
if ($id < 1 || !($category instanceof JCategoryNode))
{
$link = '';
}
else
{
$needles = array();
// Create the link
$link = 'index.php?option=com_newsfeeds&view=category&id=' . $id;
$catids = array_reverse($category->getPath());
$needles['category'] = $catids;
$needles['categories'] = $catids;
if ($language && $language != "*" && JLanguageMultilang::isEnabled())
{
$link .= '&lang=' . $language;
$needles['language'] = $language;
}
if ($item = self::_findItem($needles))
{
$link .= '&Itemid=' . $item;
}
}
return $link;
}
/**
* finditem
*
* @param null $needles what we are searching for
*
* @return int menu itemid
*
* @throws Exception
*/
protected static function _findItem($needles = null)
{
$app = JFactory::getApplication();
$menus = $app->getMenu('site');
$language = isset($needles['language']) ? $needles['language'] : '*';
// Prepare the reverse lookup array.
if (!isset(self::$lookup[$language]))
{
self::$lookup[$language] = array();
$component = JComponentHelper::getComponent('com_newsfeeds');
$attributes = array('component_id');
$values = array($component->id);
if ($language != '*')
{
$attributes[] = 'language';
$values[] = array($needles['language'], '*');
}
$items = $menus->getItems($attributes, $values);
foreach ($items as $item)
{
if (isset($item->query) && isset($item->query['view']))
{
$view = $item->query['view'];
if (!isset(self::$lookup[$language][$view]))
{
self::$lookup[$language][$view] = array();
}
if (isset($item->query['id']))
{
/* Here it will become a bit tricky
language != * can override existing entries
language == * cannot override existing entries */
if (!isset(self::$lookup[$language][$view][$item->query['id']]) || $item->language != '*')
{
self::$lookup[$language][$view][$item->query['id']] = $item->id;
}
}
}
}
}
if ($needles)
{
foreach ($needles as $view => $ids)
{
if (isset(self::$lookup[$language][$view]))
{
foreach ($ids as $id)
{
if (isset(self::$lookup[$language][$view][(int) $id]))
{
return self::$lookup[$language][$view][(int) $id];
}
}
}
}
}
// Check if the active menuitem matches the requested language
$active = $menus->getActive();
if ($active && ($language == '*' || in_array($active->language, array('*', $language)) || !JLanguageMultilang::isEnabled()))
{
return $active->id;
}
// If not found, return language specific home link
$default = $menus->getDefault($language);
return !empty($default->id) ? $default->id : null;
}
}