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398
plugins/finder/newsfeeds/src/Extension/Newsfeeds.php
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398
plugins/finder/newsfeeds/src/Extension/Newsfeeds.php
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<?php
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/**
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* @package Joomla.Plugin
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* @subpackage Finder.newsfeeds
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*
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* @copyright (C) 2011 Open Source Matters, Inc. <https://www.joomla.org>
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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namespace Joomla\Plugin\Finder\Newsfeeds\Extension;
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use Joomla\CMS\Component\ComponentHelper;
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use Joomla\CMS\Event\Finder as FinderEvent;
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use Joomla\Component\Finder\Administrator\Indexer\Adapter;
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use Joomla\Component\Finder\Administrator\Indexer\Helper;
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use Joomla\Component\Finder\Administrator\Indexer\Indexer;
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use Joomla\Component\Finder\Administrator\Indexer\Result;
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use Joomla\Component\Newsfeeds\Site\Helper\RouteHelper;
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use Joomla\Database\DatabaseAwareTrait;
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use Joomla\Database\QueryInterface;
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use Joomla\Event\SubscriberInterface;
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use Joomla\Registry\Registry;
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// phpcs:disable PSR1.Files.SideEffects
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\defined('_JEXEC') or die;
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// phpcs:enable PSR1.Files.SideEffects
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/**
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* Smart Search adapter for Joomla Newsfeeds.
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*
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* @since 2.5
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*/
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final class Newsfeeds extends Adapter implements SubscriberInterface
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{
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use DatabaseAwareTrait;
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/**
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* The plugin identifier.
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*
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* @var string
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* @since 2.5
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*/
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protected $context = 'Newsfeeds';
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/**
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* The extension name.
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*
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* @var string
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* @since 2.5
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*/
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protected $extension = 'com_newsfeeds';
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/**
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* The sublayout to use when rendering the results.
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*
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* @var string
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* @since 2.5
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*/
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protected $layout = 'newsfeed';
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/**
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* The type of content that the adapter indexes.
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*
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* @var string
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* @since 2.5
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*/
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protected $type_title = 'News Feed';
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/**
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* The table name.
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*
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* @var string
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* @since 2.5
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*/
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protected $table = '#__newsfeeds';
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/**
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* The field the published state is stored in.
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*
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* @var string
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* @since 2.5
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*/
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protected $state_field = 'published';
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/**
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* Load the language file on instantiation.
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*
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* @var boolean
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* @since 3.1
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*/
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protected $autoloadLanguage = true;
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/**
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* Returns an array of events this subscriber will listen to.
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*
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* @return array
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*
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* @since 5.2.0
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*/
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public static function getSubscribedEvents(): array
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{
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return array_merge(parent::getSubscribedEvents(), [
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'onFinderCategoryChangeState' => 'onFinderCategoryChangeState',
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'onFinderChangeState' => 'onFinderChangeState',
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'onFinderAfterDelete' => 'onFinderAfterDelete',
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'onFinderBeforeSave' => 'onFinderBeforeSave',
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'onFinderAfterSave' => 'onFinderAfterSave',
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]);
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}
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/**
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* Method to update the item link information when the item category is
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* changed. This is fired when the item category is published or unpublished
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* from the list view.
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*
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* @param FinderEvent\AfterCategoryChangeStateEvent $event The event instance.
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*
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* @return void
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*
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* @since 2.5
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*/
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public function onFinderCategoryChangeState(FinderEvent\AfterCategoryChangeStateEvent $event): void
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{
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// Make sure we're handling com_newsfeeds categories.
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if ($event->getExtension() === 'com_newsfeeds') {
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$this->categoryStateChange($event->getPks(), $event->getValue());
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}
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}
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/**
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* Method to remove the link information for items that have been deleted.
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*
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* @param FinderEvent\AfterDeleteEvent $event The event instance.
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*
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* @return void
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*
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* @since 2.5
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* @throws \Exception on database error.
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*/
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public function onFinderAfterDelete(FinderEvent\AfterDeleteEvent $event): void
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{
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$context = $event->getContext();
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$table = $event->getItem();
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if ($context === 'com_newsfeeds.newsfeed') {
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$id = $table->id;
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} elseif ($context === 'com_finder.index') {
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$id = $table->link_id;
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} else {
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return;
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}
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// Remove the item from the index.
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$this->remove($id);
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}
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/**
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* Smart Search after save content method.
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* Reindexes the link information for a newsfeed that has been saved.
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* It also makes adjustments if the access level of a newsfeed item or
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* the category to which it belongs has changed.
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*
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* @param FinderEvent\AfterSaveEvent $event The event instance.
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*
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* @return void
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*
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* @since 2.5
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* @throws \Exception on database error.
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*/
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public function onFinderAfterSave(FinderEvent\AfterSaveEvent $event): void
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{
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$context = $event->getContext();
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$row = $event->getItem();
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$isNew = $event->getIsNew();
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// We only want to handle newsfeeds here.
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if ($context === 'com_newsfeeds.newsfeed') {
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// Check if the access levels are different.
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if (!$isNew && $this->old_access != $row->access) {
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// Process the change.
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$this->itemAccessChange($row);
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}
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// Reindex the item.
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$this->reindex($row->id);
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}
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// Check for access changes in the category.
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if ($context === 'com_categories.category') {
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// Check if the access levels are different.
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if (!$isNew && $this->old_cataccess != $row->access) {
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$this->categoryAccessChange($row);
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}
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}
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}
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/**
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* Smart Search before content save method.
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* This event is fired before the data is actually saved.
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*
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* @param FinderEvent\BeforeSaveEvent $event The event instance.
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*
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* @return void
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*
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* @since 2.5
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* @throws \Exception on database error.
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*/
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public function onFinderBeforeSave(FinderEvent\BeforeSaveEvent $event): void
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{
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$context = $event->getContext();
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$row = $event->getItem();
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$isNew = $event->getIsNew();
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// We only want to handle newsfeeds here.
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if ($context === 'com_newsfeeds.newsfeed') {
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// Query the database for the old access level if the item isn't new.
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if (!$isNew) {
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$this->checkItemAccess($row);
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}
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}
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// Check for access levels from the category.
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if ($context === 'com_categories.category') {
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// Query the database for the old access level if the item isn't new.
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if (!$isNew) {
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$this->checkCategoryAccess($row);
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}
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}
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}
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/**
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* Method to update the link information for items that have been changed
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* from outside the edit screen. This is fired when the item is published,
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* unpublished, archived, or unarchived from the list view.
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*
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* @param FinderEvent\AfterChangeStateEvent $event The event instance.
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*
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* @return void
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*
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* @since 2.5
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*/
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public function onFinderChangeState(FinderEvent\AfterChangeStateEvent $event): void
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{
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$context = $event->getContext();
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$pks = $event->getPks();
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$value = $event->getValue();
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// We only want to handle newsfeeds here.
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if ($context === 'com_newsfeeds.newsfeed') {
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$this->itemStateChange($pks, $value);
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}
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// Handle when the plugin is disabled.
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if ($context === 'com_plugins.plugin' && $value === 0) {
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$this->pluginDisable($pks);
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}
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}
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/**
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* Method to index an item. The item must be a Result object.
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*
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* @param Result $item The item to index as a Result object.
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*
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* @return void
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*
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* @since 2.5
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* @throws \Exception on database error.
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*/
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protected function index(Result $item)
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{
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// Check if the extension is enabled.
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if (ComponentHelper::isEnabled($this->extension) === false) {
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return;
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}
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$item->setLanguage();
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// Initialize the item parameters.
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$item->params = new Registry($item->params);
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$item->metadata = new Registry($item->metadata);
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// Create a URL as identifier to recognise items again.
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$item->url = $this->getUrl($item->id, $this->extension, $this->layout);
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// Build the necessary route and path information.
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$item->route = RouteHelper::getNewsfeedRoute($item->slug, $item->catslug, $item->language);
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/*
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* Add the metadata processing instructions based on the newsfeeds
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* configuration parameters.
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*/
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// Add the meta author.
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$item->metaauthor = $item->metadata->get('author');
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// Handle the link to the metadata.
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$item->addInstruction(Indexer::META_CONTEXT, 'link');
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$item->addInstruction(Indexer::META_CONTEXT, 'metakey');
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$item->addInstruction(Indexer::META_CONTEXT, 'metadesc');
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$item->addInstruction(Indexer::META_CONTEXT, 'metaauthor');
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$item->addInstruction(Indexer::META_CONTEXT, 'author');
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$item->addInstruction(Indexer::META_CONTEXT, 'created_by_alias');
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// Get taxonomies to display
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$taxonomies = $this->params->get('taxonomies', ['type', 'category', 'language']);
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// Add the type taxonomy data.
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if (\in_array('type', $taxonomies)) {
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$item->addTaxonomy('Type', 'News Feed');
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}
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// Add the category taxonomy data.
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$categories = $this->getApplication()->bootComponent('com_newsfeeds')->getCategory(['published' => false, 'access' => false]);
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$category = $categories->get($item->catid);
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if (!$category) {
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return;
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}
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// Add the category taxonomy data.
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if (\in_array('category', $taxonomies)) {
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$item->addNestedTaxonomy('Category', $category, $this->translateState($category->published), $category->access, $category->language);
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}
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// Add the language taxonomy data.
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if (\in_array('language', $taxonomies)) {
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$item->addTaxonomy('Language', $item->language);
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}
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// Get content extras.
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Helper::getContentExtras($item);
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// Index the item.
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$this->indexer->index($item);
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}
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/**
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* Method to setup the indexer to be run.
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*
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* @return boolean True on success.
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*
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* @since 2.5
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*/
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protected function setup()
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{
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return true;
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}
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/**
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* Method to get the SQL query used to retrieve the list of content items.
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*
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* @param mixed $query A DatabaseQuery object or null.
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*
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* @return QueryInterface A database object.
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*
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* @since 2.5
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*/
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protected function getListQuery($query = null)
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{
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$db = $this->getDatabase();
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// Check if we can use the supplied SQL query.
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$query = $query instanceof QueryInterface ? $query : $db->getQuery(true)
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->select('a.id, a.catid, a.name AS title, a.alias, a.link AS link')
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->select('a.published AS state, a.ordering, a.created AS start_date, a.params, a.access')
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->select('a.publish_up AS publish_start_date, a.publish_down AS publish_end_date')
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->select('a.metakey, a.metadesc, a.metadata, a.language')
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->select('a.created_by, a.created_by_alias, a.modified, a.modified_by')
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->select('c.title AS category, c.published AS cat_state, c.access AS cat_access');
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// Handle the alias CASE WHEN portion of the query.
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$case_when_item_alias = ' CASE WHEN ';
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$case_when_item_alias .= $query->charLength('a.alias', '!=', '0');
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$case_when_item_alias .= ' THEN ';
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$a_id = $query->castAsChar('a.id');
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$case_when_item_alias .= $query->concatenate([$a_id, 'a.alias'], ':');
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$case_when_item_alias .= ' ELSE ';
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$case_when_item_alias .= $a_id . ' END as slug';
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$query->select($case_when_item_alias);
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$case_when_category_alias = ' CASE WHEN ';
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$case_when_category_alias .= $query->charLength('c.alias', '!=', '0');
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$case_when_category_alias .= ' THEN ';
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$c_id = $query->castAsChar('c.id');
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$case_when_category_alias .= $query->concatenate([$c_id, 'c.alias'], ':');
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$case_when_category_alias .= ' ELSE ';
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$case_when_category_alias .= $c_id . ' END as catslug';
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$query->select($case_when_category_alias)
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->from('#__newsfeeds AS a')
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->join('LEFT', '#__categories AS c ON c.id = a.catid');
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return $query;
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}
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}
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