<?php
/**
* @package Joomla.Site
* @subpackage mod_related_items
* @copyright Copyright (C) 2005 - 2014 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';
abstract class modRelatedItemsHelper
{
public static function getList($params)
{
$db = JFactory::getDbo();
$app = JFactory::getApplication();
$user = JFactory::getUser();
$userId = (int) $user->get('id');
$count = intval($params->get('count', 5));
$groups = implode(',', $user->getAuthorisedViewLevels());
$date = JFactory::getDate();
$option = JRequest::getCmd('option');
$view = JRequest::getCmd('view');
$temp = JRequest::getString('id');
$temp = explode(':', $temp);
$id = $temp[0];
$showDate = $params->get('showDate', 0);
$nullDate = $db->getNullDate();
$now = $date->toSql();
$related = array();
$query = $db->getQuery(true);
if ($option == 'com_content' && $view == 'article' && $id)
{
// select the meta keywords from the item
$query->select('metakey');
$query->from('#__content');
$query->where('id = ' . (int) $id);
$db->setQuery($query);
if ($metakey = trim($db->loadResult()))
{
// explode the meta keys on a comma
$keys = explode(',', $metakey);
$likes = array ();
// assemble any non-blank word(s)
foreach ($keys as $key)
{
$key = trim($key);
if ($key) {
$likes[] = $db->escape($key);
}
}
if (count($likes))
{
// select other items based on the metakey field 'like' the keys found
$query->clear();
$query->select('a.id');
$query->select('a.title');
$query->select('DATE_FORMAT(a.created, "%Y-%m-%d") as created');
$query->select('a.catid');
$query->select('a.language');
$query->select('cc.access AS cat_access');
$query->select('cc.published AS cat_state');
//sqlsrv changes
$case_when = ' CASE WHEN ';
$case_when .= $query->charLength('a.alias');
$case_when .= ' THEN ';
$a_id = $query->castAsChar('a.id');
$case_when .= $query->concatenate(array($a_id, 'a.alias'), ':');
$case_when .= ' ELSE ';
$case_when .= $a_id.' END as slug';
$query->select($case_when);
$case_when = ' CASE WHEN ';
$case_when .= $query->charLength('cc.alias');
$case_when .= ' THEN ';
$c_id = $query->castAsChar('cc.id');
$case_when .= $query->concatenate(array($c_id, 'cc.alias'), ':');
$case_when .= ' ELSE ';
$case_when .= $c_id.' END as catslug';
$query->select($case_when);
$query->from('#__content AS a');
$query->leftJoin('#__content_frontpage AS f ON f.content_id = a.id');
$query->leftJoin('#__categories AS cc ON cc.id = a.catid');
$query->where('a.id != ' . (int) $id);
$query->where('a.state = 1');
$query->where('a.access IN (' . $groups . ')');
$concat_string = $query->concatenate(array('","', ' REPLACE(a.metakey, ", ", ",")', ' ","'));
$query->where('('.$concat_string.' LIKE "%'.implode('%" OR '.$concat_string.' LIKE "%', $likes).'%")'); //remove single space after commas in keywords)
$query->where('(a.publish_up = '.$db->Quote($nullDate).' OR a.publish_up <= '.$db->Quote($now).')');
$query->where('(a.publish_down = '.$db->Quote($nullDate).' OR a.publish_down >= '.$db->Quote($now).')');
// Filter by language
if ($app->getLanguageFilter()) {
$query->where('a.language in (' . $db->Quote(JFactory::getLanguage()->getTag()) . ',' . $db->Quote('*') . ')');
}
$db->setQuery($query);
$qstring = $db->getQuery();
$temp = $db->loadObjectList();
if (count($temp))
{
foreach ($temp as $row)
{
if ($row->cat_state == 1)
{
$row->route = JRoute::_(ContentHelperRoute::getArticleRoute($row->slug, $row->catslug, $row->language));
$related[] = $row;
}
}
}
unset ($temp);
}
}
}
return $related;
}
}