joomla_test/plugins/finder/categories/categories.php

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2020-01-02 22:20:31 +07:00
<?php
/**
* @package Joomla.Plugin
* @subpackage Finder.Categories
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_BASE') or die;
require_once JPATH_ADMINISTRATOR . '/components/com_finder/helpers/indexer/adapter.php';
/**
* Finder adapter for Joomla Categories.
*
* @package Joomla.Plugin
* @subpackage Finder.Categories
* @since 2.5
*/
class PlgFinderCategories extends FinderIndexerAdapter
{
/**
* The plugin identifier.
*
* @var string
* @since 2.5
*/
protected $context = 'Categories';
/**
* The extension name.
*
* @var string
* @since 2.5
*/
protected $extension = 'com_categories';
/**
* The sublayout to use when rendering the results.
*
* @var string
* @since 2.5
*/
protected $layout = 'category';
/**
* The type of content that the adapter indexes.
*
* @var string
* @since 2.5
*/
protected $type_title = 'Category';
/**
* The table name.
*
* @var string
* @since 2.5
*/
protected $table = '#__categories';
/**
* The field the published state is stored in.
*
* @var string
* @since 2.5
*/
protected $state_field = 'published';
/**
* Load the language file on instantiation.
*
* @var boolean
* @since 3.1
*/
protected $autoloadLanguage = true;
/**
* Method to remove the link information for items that have been deleted.
*
* @param string $context The context of the action being performed.
* @param JTable $table A JTable object containing the record to be deleted
*
* @return boolean True on success.
*
* @since 2.5
* @throws Exception on database error.
*/
public function onFinderDelete($context, $table)
{
if ($context == 'com_categories.category')
{
$id = $table->id;
}
elseif ($context == 'com_finder.index')
{
$id = $table->link_id;
}
else
{
return true;
}
// Remove the items.
return $this->remove($id);
}
/**
* 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 $isNew If the content has just been created
*
* @return boolean True on success.
*
* @since 2.5
* @throws Exception on database error.
*/
public function onFinderAfterSave($context, $row, $isNew)
{
// We only want to handle categories here
if ($context == 'com_categories.category')
{
// Check if the access levels are different
if (!$isNew && $this->old_access != $row->access)
{
// Process the change.
$this->itemAccessChange($row);
// Reindex the item
$this->reindex($row->id);
}
// Check if the parent access level is different
if (!$isNew && $this->old_cataccess != $row->access)
{
$this->categoryAccessChange($row);
}
}
return true;
}
/**
* 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 $isNew If the content is just about to be created
*
* @return boolean True on success.
*
* @since 2.5
* @throws Exception on database error.
*/
public function onFinderBeforeSave($context, $row, $isNew)
{
// We only want to handle categories here
if ($context == 'com_categories.category')
{
// Query the database for the old access level and the parent if the item isn't new
if (!$isNew)
{
$this->checkItemAccess($row);
$this->checkCategoryAccess($row);
}
}
return true;
}
/**
* 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 $value The value of the state that the content has been changed to.
*
* @return void
*
* @since 2.5
*/
public function onFinderChangeState($context, $pks, $value)
{
// We only want to handle categories here
if ($context == 'com_categories.category')
{
// The category published state is tied to the parent category
// published state so we need to look up all published states
// before we change anything.
foreach ($pks as $pk)
{
/* TODO: The $item variable does not seem to be used at all
$query = clone($this->getStateQuery());
$query->where('a.id = ' . (int) $pk);
// Get the published states.
$this->db->setQuery($query);
$item = $this->db->loadObject();
*/
// Translate the state.
$state = null;
if ($item->parent_id != 1)
{
$state = $item->cat_state;
}
$temp = $this->translateState($value, $state);
// Update the item.
$this->change($pk, 'state', $temp);
// Reindex the item
$this->reindex($pk);
}
}
// Handle when the plugin is disabled
if ($context == 'com_plugins.plugin' && $value === 0)
{
$this->pluginDisable($pks);
}
}
/**
* 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
*
* @return void
*
* @since 2.5
* @throws Exception on database error.
*/
protected function index(FinderIndexerResult $item, $format = 'html')
{
// Check if the extension is enabled
if (JComponentHelper::isEnabled($this->extension) == false)
{
return;
}
$item->setLanguage();
// Need to import component route helpers dynamically, hence the reason it's handled here
$path = JPATH_SITE . '/components/' . $item->extension . '/helpers/route.php';
if (is_file($path))
{
include_once $path;
}
$extension = ucfirst(substr($item->extension, 4));
// Initialize the item parameters.
$registry = new JRegistry;
$registry->loadString($item->params);
$item->params = $registry;
$registry = new JRegistry;
$registry->loadString($item->metadata);
$item->metadata = $registry;
/* Add the meta-data processing instructions based on the categories
* configuration parameters.
*/
// Add the meta-author.
$item->metaauthor = $item->metadata->get('author');
// Handle the link to the meta-data.
$item->addInstruction(FinderIndexer::META_CONTEXT, 'link');
$item->addInstruction(FinderIndexer::META_CONTEXT, 'metakey');
$item->addInstruction(FinderIndexer::META_CONTEXT, 'metadesc');
$item->addInstruction(FinderIndexer::META_CONTEXT, 'metaauthor');
$item->addInstruction(FinderIndexer::META_CONTEXT, 'author');
//$item->addInstruction(FinderIndexer::META_CONTEXT, 'created_by_alias');
// Trigger the onContentPrepare event.
$item->summary = FinderIndexerHelper::prepareContent($item->summary, $item->params);
// Build the necessary route and path information.
$item->url = $this->getURL($item->id, $item->extension, $this->layout);
$class = $extension . 'HelperRoute';
if (class_exists($class) && method_exists($class, 'getCategoryRoute'))
{
$item->route = $class::getCategoryRoute($item->id);
}
else
{
$item->route = ContentHelperRoute::getCategoryRoute($item->slug, $item->catid);
}
$item->path = FinderIndexerHelper::getContentPath($item->route);
// Get the menu title if it exists.
$title = $this->getItemMenuTitle($item->url);
// Adjust the title if necessary.
if (!empty($title) && $this->params->get('use_menu_title', true))
{
$item->title = $title;
}
// Translate the state. Categories should only be published if the parent category is published.
$item->state = $this->translateState($item->state);
// Add the type taxonomy data.
$item->addTaxonomy('Type', 'Category');
// Add the language taxonomy data.
$item->addTaxonomy('Language', $item->language);
// Get content extras.
FinderIndexerHelper::getContentExtras($item);
// Index the item.
$this->indexer->index($item);
}
/**
* Method to setup the indexer to be run.
*
* @return boolean True on success.
*
* @since 2.5
*/
protected function setup()
{
// Load com_content route helper as it is the fallback for routing in the indexer in this instance.
include_once JPATH_SITE . '/components/com_content/helpers/route.php';
return true;
}
/**
* Method to get the SQL query used to retrieve the list of content items.
*
* @param mixed $query A JDatabaseQuery object or null.
*
* @return JDatabaseQuery A database object.
*
* @since 2.5
*/
protected function getListQuery($query = null)
{
$db = JFactory::getDbo();
// 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, a.extension')
->select('a.created_user_id AS created_by, a.modified_time AS modified, a.modified_user_id AS modified_by')
->select('a.metakey, a.metadesc, a.metadata, a.language, a.lft, a.parent_id, a.level')
->select('a.created_time AS start_date, a.published AS state, a.access, 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)
->from('#__categories AS a')
->where($db->quoteName('a.id') . ' > 1');
return $query;
}
/**
* Method to get a SQL query to load the published and access states for
* an article and category.
*
* @return JDatabaseQuery A database object.
*
* @since 2.5
*/
protected function getStateQuery()
{
$query = $this->db->getQuery(true)
->select($this->db->quoteName('a.id'))
->select('a.' . $this->state_field . ' AS state, c.published AS cat_state')
->select('a.access, c.access AS cat_access')
->from($this->db->quoteName('#__categories') . ' AS a')
->join('LEFT', '#__categories AS c ON c.id = a.parent_id');
return $query;
}
}