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<?php

/**
 * Joomla! Content Management System
 *
 * @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\CMS\HTML\Helpers;

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Object\CMSObject;

// phpcs:disable PSR1.Files.SideEffects
\defined('JPATH_PLATFORM') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Utility class working with content language select lists
 *
 * @since  1.6
 */
abstract class ContentLanguage
{
    /**
     * Cached array of the content language items.
     *
     * @var    array
     * @since  1.6
     */
    protected static $items = null;

    /**
     * Get a list of the available content language items.
     *
     * @param   boolean  $all        True to include All (*)
     * @param   boolean  $translate  True to translate All
     *
     * @return  array
     *
     * @see     \Joomla\CMS\Form\Field\ContentlanguageField
     * @since   1.6
     */
    public static function existing($all = false, $translate = false)
    {
        if (empty(static::$items)) {
            // Get the database object and a new query object.
            $db    = Factory::getDbo();
            $query = $db->getQuery(true);

            // Build the query.
            $query->select(
                [
                    $db->quoteName('a.lang_code', 'value'),
                    $db->quoteName('a.title', 'text'),
                    $db->quoteName('a.title_native'),
                ]
            )
                ->from($db->quoteName('#__languages', 'a'))
                ->where($db->quoteName('a.published') . ' >= 0')
                ->order($db->quoteName('a.title'));

            // Set the query and load the options.
            $db->setQuery($query);
            static::$items = $db->loadObjectList();
        }

        if ($all) {
            $all_option = [new CMSObject(['value' => '*', 'text' => $translate ? Text::alt('JALL', 'language') : 'JALL_LANGUAGE'])];

            return array_merge($all_option, static::$items);
        } else {
            return static::$items;
        }
    }
}