/administrator/modules/mod_latest/helper.php

<?php
/**
 * @version		$Id$
 * @copyright	Copyright (C) 2005 - 2010 Open Source Matters, Inc. All rights reserved.
 * @license		GNU General Public License version 2 or later; see LICENSE.txt
 */

// No direct access.
defined('_JEXEC') or die;

JModel::addIncludePath(JPATH_ADMINISTRATOR.'/components/com_content/models');

/**
 * @package		Joomla.Administrator
 * @subpackage	mod_latest
 */
abstract class modLatestHelper
{
	/**
	 * Get a list of articles.
	 *
	 * @param	JObject		The module parameters.
	 *
	 * @return	mixed		An array of articles, or false on error.
	 */
	public static function getList($params)
	{
		// Initialise variables
		$user = JFactory::getuser();

		// Get an instance of the generic articles model
		$model = JModel::getInstance('Articles', 'ContentModel', array('ignore_request' => true));

		// Set List SELECT
		$model->setState('list.select', 'a.id, a.title, a.checked_out, a.checked_out_time, ' .
				' a.access, a.created, a.created_by, a.created_by_alias, a.featured');

		// Set Ordering filter
		switch ($params->get('ordering')) {
			case 'm_dsc':
				$model->setState('list.ordering', 'modified DESC, created');
				$model->setState('list.direction', 'DESC');
				break;

			case 'c_dsc':
			default:
				$model->setState('list.ordering', 'created');
				$model->setState('list.direction', 'DESC');
				break;
		}

		// Set Category Filter
		$categoryId = $params->get('catid');
		if (is_numeric($categoryId)){
			$model->setState('filter.category_id', $categoryId);
		}

		// Set User Filter.
		$userId = $user->get('id');
		switch ($params->get('user_id')) {
			case 'by_me':
				$model->setState('filter.author_id', $userId);
				break;

			case 'not_me':
				$model->setState('filter.author_id', $userId);
				$model->setState('filter.author_id.include', false);
				break;
		}

		// Set the Start and Limit
		$model->setState('list.start', 0);
		$model->setState('list.limit', $params->get('count', 5));

		$items = $model->getItems();

		if ($error = $model->getError()) {
			JError::raiseError(500, $error);
			return false;
		}

		// Set the links
		foreach ($items as &$item) {
			if ($user->authorise('core.edit','com_content.article.'.$item->id)){
				$item->link = JRoute::_('index.php?option=com_content&task=article.edit&id='.$item->id);
			} else {
				$item->link = '';
			}
		}

		return $items;
	}
}