News Flush module -Disable content

<?php
/**
 * @package     Joomla.Site
 * @subpackage  mod_articles_news
 * @copyright   Copyright (C) 2005 - 2012 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;

require_once JPATH_SITE.'/components/com_content/helpers/route.php';

jimport('joomla.application.component.model');

JModel::addIncludePath(JPATH_SITE.'/components/com_content/models', 'ContentModel');

abstract class modArticlesNewsHelper
{
    public static function getList(&$params)
    {
        $app    = JFactory::getApplication();
        $db     = JFactory::getDbo();

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

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

        // Set the filters based on the module params
        $model->setState('list.start', 0);
        $model->setState('list.limit', (int) $params->get('count', 5));

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

        $model->setState('list.select', 'a.fulltext, a.id, a.title, a.alias, a.title_alias, a.introtext, a.state, a.catid, a.created, a.created_by, a.created_by_alias,' .
            ' a.modified, a.modified_by,a.publish_up, a.publish_down, a.attribs, a.metadata, a.metakey, a.metadesc, a.access,' .
            ' a.hits, a.featured,' .
            ' LENGTH(a.fulltext) AS readmore');
        // Access filter
        $access = !JComponentHelper::getParams('com_content')->get('show_noauth');
        $authorised = JAccess::getAuthorisedViewLevels(JFactory::getUser()->get('id'));
        $model->setState('filter.access', $access);

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

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

        // Set ordering
        $ordering = $params->get('ordering', 'a.publish_up');
        $model->setState('list.ordering', $ordering);
        if (trim($ordering) == 'rand()') {
            $model->setState('list.direction', '');
        } else {
            $model->setState('list.direction', 'DESC');
        }

        //  Retrieve Content
        $items = $model->getItems();

        foreach ($items as &$item) {
            $item->readmore = (trim($item->fulltext) != '');
            $item->slug = $item->id.':'.$item->alias;
            $item->catslug = $item->catid.':'.$item->category_alias;

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

            //$item->introtext = JHtml::_('content.prepare', $item->introtext, '', 'mod_articles_news.content');

            //new
            if (!$params->get('image')) {
                $item->introtext = preg_replace('/<img[^>]*>/', '', $item->introtext);
            }

            //$results = $app->triggerEvent('onContentAfterDisplay', array('com_content.article', &$item, &$params, 1));
            //$item->afterDisplayTitle = trim(implode("\n", $results));

            //$results = $app->triggerEvent('onContentBeforeDisplay', array('com_content.article', &$item, &$params, 1));
            //$item->beforeDisplayContent = trim(implode("\n", $results));
        }

        return $items;
    }
}