ArticlesLatestHelper.php

<?php
/**
 * @package     Joomla.Site
 * @subpackage  mod_articles_latest
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Module\ArticlesLatest\Site\Helper;

\defined('_JEXEC') or die;

use Joomla\CMS\Access\Access;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Router\Route;
use Joomla\Component\Content\Site\Helper\RouteHelper;
use Joomla\Component\Content\Site\Model\ArticlesModel;
use Joomla\Registry\Registry;
use Joomla\Utilities\ArrayHelper;

/**
 * Helper for mod_articles_latest
 *
 * @since  1.6
 */
abstract class ArticlesLatestHelper
{
	/**
	 * Retrieve a list of article
	 *
	 * @param   Registry       $params  The module parameters.
	 * @param   ArticlesModel  $model   The model.
	 *
	 * @return  mixed
	 *
	 * @since   1.6
	 */
	public static function getList(Registry $params, ArticlesModel $model)
	{
		// Get the Dbo and User object
		$db   = Factory::getDbo();
		$user = Factory::getUser();

		// Set application parameters in model
		$app       = Factory::getApplication();
		$appParams = $app->getParams();
		$model->setState('params', $appParams);

		$model->setState('list.start', 0);
		$model->setState('filter.published', 1);

		// Set the filters based on the module params
		$model->setState('list.limit', (int) $params->get('count', 5));

		// This module does not use tags data
		$model->setState('load_tags', false);

		// Access filter
		$access     = !ComponentHelper::getParams('com_content')->get('show_noauth');
		$authorised = Access::getAuthorisedViewLevels($user->get('id'));
		$model->setState('filter.access', $access);

		// Category filter
		$model->setState('filter.category_id', $params->get('catid', array()));

		// State filter
		$model->setState('filter.condition', 1);

		// User filter
		$userId = $user->get('id');

		switch ($params->get('user_id'))
		{
			case 'by_me' :
				$model->setState('filter.author_id', (int) $userId);
				break;
			case 'not_me' :
				$model->setState('filter.author_id', $userId);
				$model->setState('filter.author_id.include', false);
				break;

			case 'created_by' :
				$model->setState('filter.author_id', $params->get('author', array()));
				break;

			case '0' :
				break;

			default:
				$model->setState('filter.author_id', (int) $params->get('user_id'));
				break;
		}

		// Filter by language
		$model->setState('filter.language', $app->getLanguageFilter());

		// Featured switch
		$featured = $params->get('show_featured', '');

		if ($featured === '')
		{
			$model->setState('filter.featured', 'show');
		}
		elseif ($featured)
		{
			$model->setState('filter.featured', 'only');
		}
		else
		{
			$model->setState('filter.featured', 'hide');
		}

		// Set ordering
		$order_map = array(
			'm_dsc'  => 'a.modified DESC, a.created',
			'mc_dsc' => 'a.modified',
			'c_dsc'  => 'a.created',
			'p_dsc'  => 'a.publish_up',
			'random' => $db->getQuery(true)->rand(),
		);

		$ordering = ArrayHelper::getValue($order_map, $params->get('ordering'), 'a.publish_up');
		$dir      = 'DESC';

		$model->setState('list.ordering', $ordering);
		$model->setState('list.direction', $dir);

		$items = $model->getItems();

		foreach ($items as &$item)
		{
			$item->slug    = $item->id . ':' . $item->alias;

			if ($access || \in_array($item->access, $authorised))
			{
				// We know that user has the privilege to view the article
				$item->link = Route::_(RouteHelper::getArticleRoute($item->slug, $item->catid, $item->language));
			}
			else
			{
				$item->link = Route::_('index.php?option=com_users&view=login');
			}
		}

		return $items;
	}
}