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<?php
/**
* @package Joomla.Plugin
* @subpackage Finder.content
*
* @copyright (C) 2011 Open Source Matters, Inc.
<https://www.joomla.org>
* @license GNU General Public License version 2 or later; see
LICENSE.txt
*/
namespace Joomla\Plugin\Finder\Content\Extension;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Event\Finder as FinderEvent;
use Joomla\Component\Content\Site\Helper\RouteHelper;
use Joomla\Component\Finder\Administrator\Indexer\Adapter;
use Joomla\Component\Finder\Administrator\Indexer\Helper;
use Joomla\Component\Finder\Administrator\Indexer\Indexer;
use Joomla\Component\Finder\Administrator\Indexer\Result;
use Joomla\Database\DatabaseAwareTrait;
use Joomla\Database\DatabaseQuery;
use Joomla\Event\SubscriberInterface;
use Joomla\Registry\Registry;
// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Smart Search adapter for com_content.
*
* @since 2.5
*/
final class Content extends Adapter implements SubscriberInterface
{
use DatabaseAwareTrait;
/**
* The plugin identifier.
*
* @var string
* @since 2.5
*/
protected $context = 'Content';
/**
* The extension name.
*
* @var string
* @since 2.5
*/
protected $extension = 'com_content';
/**
* The sublayout to use when rendering the results.
*
* @var string
* @since 2.5
*/
protected $layout = 'article';
/**
* The type of content that the adapter indexes.
*
* @var string
* @since 2.5
*/
protected $type_title = 'Article';
/**
* The table name.
*
* @var string
* @since 2.5
*/
protected $table = '#__content';
/**
* Load the language file on instantiation.
*
* @var boolean
* @since 3.1
*/
protected $autoloadLanguage = true;
/**
* Returns an array of events this subscriber will listen to.
*
* @return array
*
* @since 5.0.0
*/
public static function getSubscribedEvents(): array
{
return array_merge([
'onFinderCategoryChangeState' =>
'onFinderCategoryChangeState',
'onFinderChangeState' =>
'onFinderChangeState',
'onFinderAfterDelete' =>
'onFinderAfterDelete',
'onFinderBeforeSave' =>
'onFinderBeforeSave',
'onFinderAfterSave' =>
'onFinderAfterSave',
], parent::getSubscribedEvents());
}
/**
* Method to setup the indexer to be run.
*
* @return boolean True on success.
*
* @since 2.5
*/
protected function setup()
{
return true;
}
/**
* Method to update the item link information when the item category is
* changed. This is fired when the item category is published or
unpublished
* from the list view.
*
* @param FinderEvent\AfterCategoryChangeStateEvent $event The
event instance.
*
* @return void
*
* @since 2.5
*/
public function
onFinderCategoryChangeState(FinderEvent\AfterCategoryChangeStateEvent
$event)
{
// Make sure we're handling com_content categories.
if ($event->getExtension() === 'com_content') {
$this->categoryStateChange($event->getPks(),
$event->getValue());
}
}
/**
* Method to remove the link information for items that have been
deleted.
*
* @param FinderEvent\AfterDeleteEvent $event The event instance.
*
* @return void
*
* @since 2.5
* @throws \Exception on database error.
*/
public function onFinderAfterDelete(FinderEvent\AfterDeleteEvent
$event): void
{
$context = $event->getContext();
$table = $event->getItem();
if ($context === 'com_content.article') {
$id = $table->id;
} elseif ($context === 'com_finder.index') {
$id = $table->link_id;
} else {
return;
}
// Remove item from the index.
$this->remove($id);
}
/**
* Smart Search after save content method.
* Reindexes the link information for an article that has been saved.
* It also makes adjustments if the access level of an item or the
* category to which it belongs has changed.
*
* @param FinderEvent\AfterSaveEvent $event The event instance.
*
* @return void
*
* @since 2.5
* @throws \Exception on database error.
*/
public function onFinderAfterSave(FinderEvent\AfterSaveEvent $event):
void
{
$context = $event->getContext();
$row = $event->getItem();
$isNew = $event->getIsNew();
// We only want to handle articles here.
if ($context === 'com_content.article' || $context ===
'com_content.form') {
// Check if the access levels are different.
if (!$isNew && $this->old_access != $row->access)
{
// Process the change.
$this->itemAccessChange($row);
}
// Reindex the item.
$this->reindex($row->id);
}
// Check for access changes in the category.
if ($context === 'com_categories.category') {
// Check if the access levels are different.
if (!$isNew && $this->old_cataccess !=
$row->access) {
$this->categoryAccessChange($row);
}
}
}
/**
* Smart Search before content save method.
* This event is fired before the data is actually saved.
*
* @param FinderEvent\BeforeSaveEvent $event The event instance.
*
* @return boolean True on success.
*
* @since 2.5
* @throws \Exception on database error.
*/
public function onFinderBeforeSave(FinderEvent\BeforeSaveEvent $event)
{
$context = $event->getContext();
$row = $event->getItem();
$isNew = $event->getIsNew();
// We only want to handle articles here.
if ($context === 'com_content.article' || $context ===
'com_content.form') {
// Query the database for the old access level if the item
isn't new.
if (!$isNew) {
$this->checkItemAccess($row);
}
}
// Check for access levels from the category.
if ($context === 'com_categories.category') {
// Query the database for the old access level if the item
isn't new.
if (!$isNew) {
$this->checkCategoryAccess($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 FinderEvent\AfterChangeStateEvent $event The event
instance.
*
* @return void
*
* @since 2.5
*/
public function onFinderChangeState(FinderEvent\AfterChangeStateEvent
$event)
{
$context = $event->getContext();
$pks = $event->getPks();
$value = $event->getValue();
// We only want to handle articles here.
if ($context === 'com_content.article' || $context ===
'com_content.form') {
$this->itemStateChange($pks, $value);
}
// Handle when the plugin is disabled.
if ($context === 'com_plugins.plugin' && $value
=== 0) {
$this->pluginDisable($pks);
}
}
/**
* Method to index an item. The item must be a Result object.
*
* @param Result $item The item to index as a Result object.
*
* @return void
*
* @since 2.5
* @throws \Exception on database error.
*/
protected function index(Result $item)
{
$item->setLanguage();
// Check if the extension is enabled.
if (ComponentHelper::isEnabled($this->extension) === false) {
return;
}
$item->context = 'com_content.article';
// Initialise the item parameters.
$registry = new Registry($item->params);
$item->params = clone
ComponentHelper::getParams('com_content', true);
$item->params->merge($registry);
$item->metadata = new Registry($item->metadata);
// Trigger the onContentPrepare event.
$item->summary = Helper::prepareContent($item->summary,
$item->params, $item);
$item->body = Helper::prepareContent($item->body,
$item->params, $item);
// Create a URL as identifier to recognise items again.
$item->url = $this->getUrl($item->id, $this->extension,
$this->layout);
// Build the necessary route and path information.
$item->route = RouteHelper::getArticleRoute($item->slug,
$item->catid, $item->language);
// 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;
}
$images = $item->images ? json_decode($item->images) : false;
// Add the image.
if ($images && !empty($images->image_intro)) {
$item->imageUrl = $images->image_intro;
$item->imageAlt = $images->image_intro_alt ??
'';
}
// Add the meta author.
$item->metaauthor =
$item->metadata->get('author');
// Add the metadata processing instructions.
$item->addInstruction(Indexer::META_CONTEXT,
'metakey');
$item->addInstruction(Indexer::META_CONTEXT,
'metadesc');
$item->addInstruction(Indexer::META_CONTEXT,
'metaauthor');
$item->addInstruction(Indexer::META_CONTEXT,
'author');
$item->addInstruction(Indexer::META_CONTEXT,
'created_by_alias');
// Translate the state. Articles should only be published if the
category is published.
$item->state = $this->translateState($item->state,
$item->cat_state);
// Get taxonomies to display
$taxonomies = $this->params->get('taxonomies',
['type', 'author', 'category',
'language']);
// Add the type taxonomy data.
if (\in_array('type', $taxonomies)) {
$item->addTaxonomy('Type', 'Article');
}
// Add the author taxonomy data.
if (\in_array('author', $taxonomies) &&
(!empty($item->author) || !empty($item->created_by_alias))) {
$item->addTaxonomy('Author',
!empty($item->created_by_alias) ? $item->created_by_alias :
$item->author, $item->state);
}
// Add the category taxonomy data.
$categories =
$this->getApplication()->bootComponent('com_content')->getCategory(['published'
=> false, 'access' => false]);
$category = $categories->get($item->catid);
if (!$category) {
return;
}
// Add the category taxonomy data.
if (\in_array('category', $taxonomies)) {
$item->addNestedTaxonomy('Category', $category,
$this->translateState($category->published), $category->access,
$category->language);
}
// Add the language taxonomy data.
if (\in_array('language', $taxonomies)) {
$item->addTaxonomy('Language',
$item->language);
}
// Get content extras.
Helper::getContentExtras($item);
Helper::addCustomFields($item, 'com_content.article');
// Index the item.
$this->indexer->index($item);
}
/**
* Method to get the SQL query used to retrieve the list of content
items.
*
* @param mixed $query A DatabaseQuery object or null.
*
* @return DatabaseQuery A database object.
*
* @since 2.5
*/
protected function getListQuery($query = null)
{
$db = $this->getDatabase();
// Check if we can use the supplied SQL query.
$query = $query instanceof DatabaseQuery ? $query :
$db->getQuery(true)
->select('a.id, a.title, a.alias, a.introtext AS
summary, a.fulltext AS body')
->select('a.images')
->select('a.state, a.catid, a.created AS start_date,
a.created_by')
->select('a.created_by_alias, a.modified,
a.modified_by, a.attribs AS params')
->select('a.metakey, a.metadesc, a.metadata,
a.language, a.access, a.version, a.ordering')
->select('a.publish_up AS publish_start_date,
a.publish_down AS publish_end_date')
->select('c.title AS category, c.published AS
cat_state, c.access AS cat_access');
// 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 .= $query->concatenate([$a_id,
'a.alias'], ':');
$case_when_item_alias .= ' ELSE ';
$case_when_item_alias .= $a_id . ' END as slug';
$query->select($case_when_item_alias);
$case_when_category_alias = ' CASE WHEN ';
$case_when_category_alias .=
$query->charLength('c.alias', '!=', '0');
$case_when_category_alias .= ' THEN ';
$c_id = $query->castAsChar('c.id');
$case_when_category_alias .= $query->concatenate([$c_id,
'c.alias'], ':');
$case_when_category_alias .= ' ELSE ';
$case_when_category_alias .= $c_id . ' END as catslug';
$query->select($case_when_category_alias)
->select('u.name AS author')
->from('#__content AS a')
->join('LEFT', '#__categories AS c ON c.id =
a.catid')
->join('LEFT', '#__users AS u ON u.id =
a.created_by');
return $query;
}
}