Source for file tags.php
Documentation is available at tags.php
* @subpackage Finder.Tags
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
// Load the base adapter.
require_once JPATH_ADMINISTRATOR .
'/components/com_finder/helpers/indexer/adapter.php';
* Finder adapter for Joomla Tag.
* @subpackage Finder.Tags
* The sublayout to use when rendering the results.
* The type of content that the adapter indexes.
* Load the language file on instantiation.
* The field the published state is stored in.
* Method to remove the link information for items that have been deleted.
* @param string $context The context of the action being performed.
* @param JTable $table A JTable object containing the record to be deleted
* @return boolean True on success.
* @throws Exception on database error.
if ($context ==
'com_tags.tag')
elseif ($context ==
'com_finder.index')
* Method to determine if the access level of an item changed.
* @param string $context The context of the content passed to the plugin.
* @param JTable $row A JTable object
* @param boolean $isNew If the content has just been created
* @return boolean True on success.
* @throws Exception on database error.
// We only want to handle tags here.
if ($context ==
'com_tags.tag')
// Check if the access levels are different
* Method to reindex the link information for an item that has been saved.
* This event is fired before the data is actually saved so we are going
* to queue the item to be indexed later.
* @param string $context The context of the content passed to the plugin.
* @param JTable $row A JTable object
* @param boolean $isNew If the content is just about to be created
* @return boolean True on success.
* @throws Exception on database error.
// We only want to handle news feeds here
if ($context ==
'com_tags.tag')
// Query the database for the old access level if the item isn't new
* Method to update the link information for items that have been changed
* from outside the edit screen. This is fired when the item is published,
* unpublished, archived, or unarchived from the list view.
* @param string $context The context for the content passed to the plugin.
* @param array $pks A list of primary key ids of the content that has changed state.
* @param integer $value The value of the state that the content has been changed to.
// We only want to handle tags here
if ($context ==
'com_tags.tag')
// Handle when the plugin is disabled
if ($context ==
'com_plugins.plugin' &&
$value ===
0)
* Method to index an item. The item must be a FinderIndexerResult object.
* @param FinderIndexerResult $item The item to index as an FinderIndexerResult object.
* @param string $format The item format
* @throws Exception on database error.
protected function index(FinderIndexerResult $item, $format =
'html')
// Check if the extension is enabled
// Initialize the item parameters.
$registry->loadString($item->params);
$item->params->merge($registry);
$registry->loadString($item->metadata);
$item->metadata =
$registry;
// Build the necessary route and path information.
// Get the menu title if it exists.
// Adjust the title if necessary.
if (!empty($title) &&
$this->params->get('use_menu_title', true))
$item->metaauthor =
$item->metadata->get('author');
// Handle the link to the meta-data.
$item->addInstruction(FinderIndexer::META_CONTEXT, 'metaauthor');
$item->addInstruction(FinderIndexer::META_CONTEXT, 'created_by_alias');
// Add the type taxonomy data.
$item->addTaxonomy('Type', 'Tag');
// Add the author taxonomy data.
if (!empty($item->author) ||
!empty($item->created_by_alias))
$item->addTaxonomy('Author', !empty($item->created_by_alias) ?
$item->created_by_alias :
$item->author);
// Add the language taxonomy data.
$item->addTaxonomy('Language', $item->language);
* Method to setup the indexer to be run.
* @return boolean True on success.
protected function setup()
// Load dependent classes.
require_once JPATH_SITE .
'/components/com_tags/helpers/route.php';
* Method to get the SQL query used to retrieve the list of content items.
* @param mixed $query A JDatabaseQuery object or null.
* @return JDatabaseQuery A database object.
// Check if we can use the supplied SQL query.
$query =
$query instanceof
JDatabaseQuery ?
$query :
$db->getQuery(true)
->select('a.id, a.title, a.alias, a.description AS summary')
->select('a.created_time AS start_date, a.created_user_id AS created_by')
->select('a.metakey, a.metadesc, a.metadata, a.language, a.access')
->select('a.modified_time AS modified, a.modified_user_id AS modified_by')
->select('a.publish_up AS publish_start_date, a.publish_down AS publish_end_date')
->select('a.published AS state, a.access, a.created_time AS start_date, a.params');
// Handle the alias CASE WHEN portion of the query
$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)
// Join the #__users table
$query->select('u.name AS author')
->join('LEFT', '#__users AS u ON u.id = b.created_user_id')
$query->where($db->quoteName('a.id') .
' > 1');
* Method to get a SQL query to load the published and access states for the given tag.
* @return JDatabaseQuery A database object.
$query =
$this->db->getQuery(true);
$query->select($this->db->quoteName('a.id'))
->select($this->db->quoteName('a.' .
$this->state_field, 'state') .
', ' .
$this->db->quoteName('a.access'))
->select('NULL AS cat_state, NULL AS cat_access')
->from($this->db->quoteName($this->table, 'a'));
* Method to get the query clause for getting items to update by time.
* @param string $time The modified timestamp.
* @return JDatabaseQuery A database object.
// Build an SQL query based on the modified time.
$query =
$this->db->getQuery(true)
->where('a.date >= ' .
$this->db->quote($time));
Documentation generated on Tue, 19 Nov 2013 15:15:16 +0100 by phpDocumentor 1.4.3