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<?php
/**
* @package Joomla.Site
* @subpackage mod_languages
*
* @copyright (C) 2010 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\Module\Languages\Site\Helper;
use Joomla\CMS\Association\AssociationServiceInterface;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Associations;
use Joomla\CMS\Language\LanguageHelper;
use Joomla\CMS\Language\Multilanguage;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Uri\Uri;
use Joomla\Component\Menus\Administrator\Helper\MenusHelper;
// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Helper for mod_languages
*
* @since 1.6
*/
abstract class LanguagesHelper
{
/**
* Gets a list of available languages
*
* @param \Joomla\Registry\Registry &$params module params
*
* @return array
*/
public static function getList(&$params)
{
$user = Factory::getUser();
$lang = Factory::getLanguage();
$languages = LanguageHelper::getLanguages();
$app = Factory::getApplication();
$menu = $app->getMenu();
$active = $menu->getActive();
// Get menu home items
$homes = [];
$homes['*'] = $menu->getDefault('*');
foreach ($languages as $item) {
$default = $menu->getDefault($item->lang_code);
if ($default && $default->language === $item->lang_code) {
$homes[$item->lang_code] = $default;
}
}
// Load associations
$assoc = Associations::isEnabled();
if ($assoc) {
if ($active) {
$associations = MenusHelper::getAssociations($active->id);
}
$option = $app->getInput()->get('option');
$component = $app->bootComponent($option);
if ($component instanceof AssociationServiceInterface) {
$cassociations = $component->getAssociationsExtension()->getAssociationsForItem();
} else {
// Load component associations
$class = str_replace('com_', '', $option) . 'HelperAssociation';
\JLoader::register($class, JPATH_SITE . '/components/' . $option . '/helpers/association.php');
if (class_exists($class) && \is_callable([$class, 'getAssociations'])) {
$cassociations = \call_user_func([$class, 'getAssociations']);
}
}
}
$levels = $user->getAuthorisedViewLevels();
$sitelangs = LanguageHelper::getInstalledLanguages(0);
$multilang = Multilanguage::isEnabled();
// Filter allowed languages
foreach ($languages as $i => &$language) {
// Do not display language without frontend UI
if (!\array_key_exists($language->lang_code, $sitelangs)) {
unset($languages[$i]);
} elseif (!isset($homes[$language->lang_code])) {
// Do not display language without specific home menu
unset($languages[$i]);
} elseif (isset($language->access) && $language->access && !\in_array($language->access, $levels)) {
// Do not display language without authorized access level
unset($languages[$i]);
} else {
$language->active = ($language->lang_code === $lang->getTag());
// Fetch language rtl
// If loaded language get from current JLanguage metadata
if ($language->active) {
$language->rtl = $lang->isRtl();
} else {
// If not loaded language fetch metadata directly for performance
$languageMetadata = LanguageHelper::getMetadata($language->lang_code);
$language->rtl = $languageMetadata['rtl'];
}
if ($multilang) {
if (isset($cassociations[$language->lang_code])) {
$language->link = Route::_($cassociations[$language->lang_code]);
} elseif (isset($associations[$language->lang_code]) && $menu->getItem($associations[$language->lang_code])) {
$itemid = $associations[$language->lang_code];
$language->link = Route::_('index.php?lang=' . $language->sef . '&Itemid=' . $itemid);
} elseif ($active && $active->language === '*') {
$language->link = Route::_('index.php?lang=' . $language->sef . '&Itemid=' . $active->id);
} else {
if ($language->active) {
$language->link = Uri::getInstance()->toString(['path', 'query']);
} else {
$itemid = isset($homes[$language->lang_code]) ? $homes[$language->lang_code]->id : $homes['*']->id;
$language->link = Route::_('index.php?lang=' . $language->sef . '&Itemid=' . $itemid);
}
}
} else {
$language->link = Route::_('&Itemid=' . $homes['*']->id);
}
}
}
return $languages;
}
}