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<?php
/**
* @package Joomla.Plugin
* @subpackage Search.tags
*
* @copyright Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* Tags search plugin.
*
* @package Joomla.Plugin
* @subpackage Search.tags
* @since 3.3
*/
class PlgSearchTags extends JPlugin
{
/**
* Load the language file on instantiation.
*
* @var boolean
* @since 3.3
*/
protected $autoloadLanguage = true;
/**
* Determine areas searchable by this plugin.
*
* @return array An array of search areas.
*
* @since 3.3
*/
public function onContentSearchAreas()
{
static $areas = array(
'tags' => 'PLG_SEARCH_TAGS_TAGS'
);
return $areas;
}
/**
* Search content (tags).
*
* The SQL must return the following fields that are used in a common display
* routine: href, title, section, created, text, browsernav.
*
* @param string $text Target search string.
* @param string $phrase Matching option (possible values: exact|any|all). Default is "any".
* @param string $ordering Ordering option (possible values: newest|oldest|popular|alpha|category). Default is "newest".
* @param string $areas An array if the search is to be restricted to areas or null to search all areas.
*
* @return array Search results.
*
* @since 3.3
*/
public function onContentSearch($text, $phrase = '', $ordering = '', $areas = null)
{
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$app = JFactory::getApplication();
$user = JFactory::getUser();
$section = JText::_('PLG_SEARCH_TAGS_TAGS');
$limit = $this->params->def('search_limit', 50);
if (is_array($areas))
{
if (!array_intersect($areas, array_keys($this->onContentSearchAreas())))
{
return array();
}
}
$text = trim($text);
if ($text == '')
{
return array();
}
$text = $db->quote('%' . $db->escape($text, true) . '%', false);
switch ($ordering)
{
case 'alpha':
$order = 'a.title ASC';
break;
case 'newest':
$order = 'a.created_time DESC';
break;
case 'oldest':
$order = 'a.created_time ASC';
break;
case 'popular':
default:
$order = 'a.title DESC';
}
$query->select('a.id, a.title, a.alias, a.note, a.published, a.access' .
', a.checked_out, a.checked_out_time, a.created_user_id' .
', a.path, a.parent_id, a.level, a.lft, a.rgt' .
', a.language, a.created_time AS created, a.note, a.description');
$case_when_item_alias = ' CASE WHEN ';
$case_when_item_alias .= $query->charLength('a.alias', '!=', '0');
$case_when_item_alias .= ' THEN ';
$a_id = $query->castAsChar('a.id');
$case_when_item_alias .= $query->concatenate(array($a_id, 'a.alias'), ':');
$case_when_item_alias .= ' ELSE ';
$case_when_item_alias .= $a_id . ' END as slug';
$query->select($case_when_item_alias);
$query->from('#__tags AS a');
$query->where('a.alias <> ' . $db->quote('root'));
$query->where('(a.title LIKE ' . $text . ' OR a.alias LIKE ' . $text . ')');
if (!$user->authorise('core.admin'))
{
$groups = implode(',', $user->getAuthorisedViewLevels());
$query->where('a.access IN (' . $groups . ')');
}
if ($app->isSite() && JLanguageMultilang::isEnabled())
{
$tag = JFactory::getLanguage()->getTag();
$query->where('a.language in (' . $db->quote($tag) . ',' . $db->quote('*') . ')');
}
$query->order($order);
$db->setQuery($query, 0, $limit);
$rows = $db->loadObjectList();
if ($rows)
{
require_once JPATH_ROOT . '/components/com_tags/helpers/route.php';
foreach ($rows as $key => $row)
{
$rows[$key]->href = TagsHelperRoute::getTagRoute($row->id);
$rows[$key]->text .= ($row->description != "" ? $row->description : $row->title);
$rows[$key]->text .= $row->note;
$rows[$key]->section = $section;
$rows[$key]->created = $row->created;
$rows[$key]->browsernav = 0;
}
}
if (!$this->params->get('show_tagged_items'))
{
return $rows;
}
else
{
$final_items = $rows;
JModelLegacy::addIncludePath(JPATH_SITE . '/components/com_tags/models');
$tag_model = JModelLegacy::getInstance('Tag', 'TagsModel');
$tag_model->getState();
foreach ($rows as $key => $row)
{
$tag_model->setState('tag.id', $row->id);
$tagged_items = $tag_model->getItems();
if ($tagged_items)
{
foreach($tagged_items as $k => $item)
{
$new_item = new stdClass;
$new_item->href = $item->link;
$new_item->title = $item->core_title;
$new_item->text = $item->core_body;
$new_item->section = JText::sprintf('PLG_SEARCH_TAGS_ITEM_TAGGED_WITH', $item->content_type_title, $row->title);
$new_item->created = $item->displayDate;
$new_item->browsernav = 0;
$final_items[] = $new_item;
}
}
}
return $final_items;
}
}
}