first commit

plugins/finder/categories/categories.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<extension type="plugin" group="finder" method="upgrade">
+	<name>plg_finder_categories</name>
+	<author>Joomla! Project</author>
+	<creationDate>2011-08</creationDate>
+	<copyright>(C) 2011 Open Source Matters, Inc.</copyright>
+	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
+	<authorEmail>admin@joomla.org</authorEmail>
+	<authorUrl>www.joomla.org</authorUrl>
+	<version>3.0.0</version>
+	<description>PLG_FINDER_CATEGORIES_XML_DESCRIPTION</description>
+	<namespace path="src">Joomla\Plugin\Finder\Categories</namespace>
+	<files>
+		<folder plugin="categories">services</folder>
+		<folder>src</folder>
+	</files>
+	<languages>
+		<language tag="en-GB">language/en-GB/plg_finder_categories.ini</language>
+		<language tag="en-GB">language/en-GB/plg_finder_categories.sys.ini</language>
+	</languages>
+	<config>
+		<fields name="params">
+			<fieldset name="basic" addfieldprefix="Joomla\Component\Finder\Administrator\Field">
+				<field
+					name="search_archived"
+					type="radio"
+					layout="joomla.form.field.radio.switcher"
+					label="PLG_FINDER_CATEGORIES_FIELD_SEARCH_ARCHIVED_LABEL"
+					description="PLG_FINDER_CATEGORIES_FIELD_SEARCH_ARCHIVED_DESC"
+					default="1"
+					filter="integer"
+					>
+					<option value="0">JNO</option>
+					<option value="1">JYES</option>
+				</field>
+				<field
+					name="taxonomies"
+					type="taxonomytypes"
+					label="PLG_FINDER_CATEGORIES_TAXONOMIES_LABEL"
+					default="type,language"
+					multiple="true"
+					>
+					<option value="language">PLG_FINDER_CATEGORIES_TAXONOMIES_LANGUAGE</option>
+					<option value="type">PLG_FINDER_CATEGORIES_TAXONOMIES_TYPE</option>
+				</field>
+			</fieldset>
+		</fields>
+	</config>
+</extension>

plugins/finder/categories/services/provider.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Finder.categories
+ *
+ * @copyright   (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Extension\PluginInterface;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Plugin\PluginHelper;
+use Joomla\Database\DatabaseInterface;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+use Joomla\Event\DispatcherInterface;
+use Joomla\Plugin\Finder\Categories\Extension\Categories;
+
+return new class () implements ServiceProviderInterface {
+    /**
+     * Registers the service provider with a DI container.
+     *
+     * @param   Container  $container  The DI container.
+     *
+     * @return  void
+     *
+     * @since   4.3.0
+     */
+    public function register(Container $container)
+    {
+        $container->set(
+            PluginInterface::class,
+            function (Container $container) {
+                $plugin     = new Categories(
+                    $container->get(DispatcherInterface::class),
+                    (array) PluginHelper::getPlugin('finder', 'categories')
+                );
+                $plugin->setApplication(Factory::getApplication());
+                $plugin->setDatabase($container->get(DatabaseInterface::class));
+
+                return $plugin;
+            }
+        );
+    }
+};

plugins/finder/categories/src/Extension/Categories.php

@@ -0,0 +1,474 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Finder.categories
+ *
+ * @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\Categories\Extension;
+
+use Joomla\CMS\Component\ComponentHelper;
+use Joomla\CMS\Table\Table;
+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\Database\ParameterType;
+use Joomla\Registry\Registry;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Smart Search adapter for Joomla Categories.
+ *
+ * @since  2.5
+ */
+final class Categories extends Adapter
+{
+    use DatabaseAwareTrait;
+
+    /**
+     * 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 setup the indexer to be run.
+     *
+     * @return  boolean  True on success.
+     *
+     * @since   2.5
+     */
+    protected function setup()
+    {
+        return true;
+    }
+
+    /**
+     * Method to remove the link information for items that have been deleted.
+     *
+     * @param   string  $context  The context of the action being performed.
+     * @param   Table   $table    A Table object containing the record to be deleted
+     *
+     * @return  boolean  True on success.
+     *
+     * @since   2.5
+     * @throws  \Exception on database error.
+     */
+    public function onFinderDelete($context, $table)
+    {
+        if ($context === 'com_categories.category') {
+            $id = $table->id;
+        } elseif ($context === 'com_finder.index') {
+            $id = $table->link_id;
+        } else {
+            return true;
+        }
+
+        // Remove item from the index.
+        return $this->remove($id);
+    }
+
+    /**
+     * Smart Search after save content method.
+     * Reindexes the link information for a category that has been saved.
+     * It also makes adjustments if the access level of the category has changed.
+     *
+     * @param   string   $context  The context of the category passed to the plugin.
+     * @param   Table    $row      A Table object.
+     * @param   boolean  $isNew    True if the category has just been created.
+     *
+     * @return  void
+     *
+     * @since   2.5
+     * @throws  \Exception on database error.
+     */
+    public function onFinderAfterSave($context, $row, $isNew): void
+    {
+        // We only want to handle categories here.
+        if ($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 category item.
+            $this->reindex($row->id);
+
+            // Check if the parent access level is 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   string   $context  The context of the category passed to the plugin.
+     * @param   Table    $row      A Table object.
+     * @param   boolean  $isNew    True if the category is just about to be created.
+     *
+     * @return  boolean  True on success.
+     *
+     * @since   2.5
+     * @throws  \Exception on database error.
+     */
+    public function onFinderBeforeSave($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 category passed to the plugin.
+     * @param   array    $pks      An array of primary key ids of the category that has changed state.
+     * @param   integer  $value    The value of the state that the category has been changed to.
+     *
+     * @return  void
+     *
+     * @since   2.5
+     */
+    public function onFinderChangeState($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) {
+                $pk    = (int) $pk;
+                $query = clone $this->getStateQuery();
+
+                $query->where($this->getDatabase()->quoteName('a.id') . ' = :plgFinderCategoriesId')
+                    ->bind(':plgFinderCategoriesId', $pk, ParameterType::INTEGER);
+
+                $this->getDatabase()->setQuery($query);
+                $item = $this->getDatabase()->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 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 $item)
+    {
+        // Check if the extension is enabled.
+        if (ComponentHelper::isEnabled($this->extension) === false) {
+            return;
+        }
+
+        // Extract the extension element
+        $parts             = explode('.', $item->extension);
+        $extension_element = $parts[0];
+
+        // Check if the extension that owns the category is also enabled.
+        if (ComponentHelper::isEnabled($extension_element) === false) {
+            return;
+        }
+
+        $item->setLanguage();
+
+        $extension = ucfirst(substr($extension_element, 4));
+
+        // Initialize the item parameters.
+        $item->params = new Registry($item->params);
+
+        $item->metadata = new Registry($item->metadata);
+
+        /*
+         * Add the metadata processing instructions based on the category's
+         * configuration parameters.
+         */
+
+        // Add the meta author.
+        $item->metaauthor = $item->metadata->get('author');
+
+        // Handle the link to the metadata.
+        $item->addInstruction(Indexer::META_CONTEXT, 'link');
+        $item->addInstruction(Indexer::META_CONTEXT, 'metakey');
+        $item->addInstruction(Indexer::META_CONTEXT, 'metadesc');
+        $item->addInstruction(Indexer::META_CONTEXT, 'metaauthor');
+        $item->addInstruction(Indexer::META_CONTEXT, 'author');
+
+        // Deactivated Methods
+        // $item->addInstruction(Indexer::META_CONTEXT, 'created_by_alias');
+
+        // Trigger the onContentPrepare event.
+        $item->summary = Helper::prepareContent($item->summary, $item->params);
+
+        // Create a URL as identifier to recognise items again.
+        $item->url = $this->getUrl($item->id, $item->extension, $this->layout);
+
+        /*
+         * Build the necessary route information.
+         * Need to import component route helpers dynamically, hence the reason it's handled here.
+         */
+        $class = $extension . 'HelperRoute';
+
+        // Need to import component route helpers dynamically, hence the reason it's handled here.
+        \JLoader::register($class, JPATH_SITE . '/components/' . $extension_element . '/helpers/route.php');
+
+        if (class_exists($class) && method_exists($class, 'getCategoryRoute')) {
+            $item->route = $class::getCategoryRoute($item->id, $item->language);
+        } else {
+            $class = 'Joomla\\Component\\' . $extension . '\\Site\\Helper\\RouteHelper';
+
+            if (class_exists($class) && method_exists($class, 'getCategoryRoute')) {
+                $item->route = $class::getCategoryRoute($item->id, $item->language);
+            } else {
+                // This category has no frontend route.
+                return;
+            }
+        }
+
+        // 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);
+
+        // Get taxonomies to display
+        $taxonomies = $this->params->get('taxonomies', ['type', 'language']);
+
+        // Add the type taxonomy data.
+        if (\in_array('type', $taxonomies)) {
+            $item->addTaxonomy('Type', 'Category');
+        }
+
+        // Add the language taxonomy data.
+        if (\in_array('language', $taxonomies)) {
+            $item->addTaxonomy('Language', $item->language);
+        }
+
+        // Get content extras.
+        Helper::getContentExtras($item);
+
+        // 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);
+
+        $query->select(
+            $db->quoteName(
+                [
+                    'a.id',
+                    'a.title',
+                    'a.alias',
+                    'a.extension',
+                    'a.metakey',
+                    'a.metadesc',
+                    'a.metadata',
+                    'a.language',
+                    'a.lft',
+                    'a.parent_id',
+                    'a.level',
+                    'a.access',
+                    'a.params',
+                ]
+            )
+        )
+            ->select(
+                $db->quoteName(
+                    [
+                        'a.description',
+                        'a.created_user_id',
+                        'a.modified_time',
+                        'a.modified_user_id',
+                        'a.created_time',
+                        'a.published',
+                    ],
+                    [
+                        'summary',
+                        'created_by',
+                        'modified',
+                        'modified_by',
+                        'start_date',
+                        'state',
+                    ]
+                )
+            );
+
+        // Handle the alias CASE WHEN portion of the query.
+        $case_when_item_alias = ' CASE WHEN ';
+        $case_when_item_alias .= $query->charLength($db->quoteName('a.alias'), '!=', '0');
+        $case_when_item_alias .= ' THEN ';
+        $a_id = $query->castAsChar($db->quoteName('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)
+            ->from($db->quoteName('#__categories', 'a'))
+            ->where($db->quoteName('a.id') . ' > 1');
+
+        return $query;
+    }
+
+    /**
+     * Method to get a SQL query to load the published and access states for
+     * a category and its parents.
+     *
+     * @return  DatabaseQuery  A database object.
+     *
+     * @since   2.5
+     */
+    protected function getStateQuery()
+    {
+        $query = $this->getDatabase()->getQuery(true);
+
+        $query->select(
+            $this->getDatabase()->quoteName(
+                [
+                    'a.id',
+                    'a.parent_id',
+                    'a.access',
+                ]
+            )
+        )
+            ->select(
+                $this->getDatabase()->quoteName(
+                    [
+                        'a.' . $this->state_field,
+                        'c.published',
+                        'c.access',
+                    ],
+                    [
+                        'state',
+                        'cat_state',
+                        'cat_access',
+                    ]
+                )
+            )
+            ->from($this->getDatabase()->quoteName('#__categories', 'a'))
+            ->join(
+                'INNER',
+                $this->getDatabase()->quoteName('#__categories', 'c'),
+                $this->getDatabase()->quoteName('c.id') . ' = ' . $this->getDatabase()->quoteName('a.parent_id')
+            );
+
+        return $query;
+    }
+}

plugins/finder/contacts/contacts.xml

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<extension type="plugin" group="finder" method="upgrade">
+	<name>plg_finder_contacts</name>
+	<author>Joomla! Project</author>
+	<creationDate>2011-08</creationDate>
+	<copyright>(C) 2011 Open Source Matters, Inc.</copyright>
+	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
+	<authorEmail>admin@joomla.org</authorEmail>
+	<authorUrl>www.joomla.org</authorUrl>
+	<version>3.0.0</version>
+	<description>PLG_FINDER_CONTACTS_XML_DESCRIPTION</description>
+	<namespace path="src">Joomla\Plugin\Finder\Contacts</namespace>
+	<files>
+		<folder plugin="contacts">services</folder>
+		<folder>src</folder>
+	</files>
+	<languages>
+		<language tag="en-GB">language/en-GB/plg_finder_contacts.ini</language>
+		<language tag="en-GB">language/en-GB/plg_finder_contacts.sys.ini</language>
+	</languages>
+	<config>
+		<fields name="params">
+			<fieldset name="basic" addfieldprefix="Joomla\Component\Finder\Administrator\Field">
+				<field
+					name="search_archived"
+					type="radio"
+					layout="joomla.form.field.radio.switcher"
+					label="PLG_FINDER_CONTACTS_FIELD_SEARCH_ARCHIVED_LABEL"
+					description="PLG_FINDER_CONTACTS_FIELD_SEARCH_ARCHIVED_DESC"
+					default="1"
+					filter="integer"
+					>
+					<option value="0">JNO</option>
+					<option value="1">JYES</option>
+				</field>
+				<field
+					name="taxonomies"
+					type="taxonomytypes"
+					label="PLG_FINDER_CONTACTS_TAXONOMIES_LABEL"
+					default="type,category,language,region,country"
+					multiple="true"
+					>
+					<option value="category">PLG_FINDER_CONTACTS_TAXONOMIES_CATEGORY</option>
+					<option value="country">PLG_FINDER_CONTACTS_TAXONOMIES_COUNTRY</option>
+					<option value="language">PLG_FINDER_CONTACTS_TAXONOMIES_LANGUAGE</option>
+					<option value="region">PLG_FINDER_CONTACTS_TAXONOMIES_REGION</option>
+					<option value="type">PLG_FINDER_CONTACTS_TAXONOMIES_TYPE</option>
+				</field>
+			</fieldset>
+		</fields>
+	</config>
+</extension>

plugins/finder/contacts/services/provider.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Finder.contacts
+ *
+ * @copyright   (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Extension\PluginInterface;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Plugin\PluginHelper;
+use Joomla\Database\DatabaseInterface;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+use Joomla\Event\DispatcherInterface;
+use Joomla\Plugin\Finder\Contacts\Extension\Contacts;
+
+return new class () implements ServiceProviderInterface {
+    /**
+     * Registers the service provider with a DI container.
+     *
+     * @param   Container  $container  The DI container.
+     *
+     * @return  void
+     *
+     * @since   4.3.0
+     */
+    public function register(Container $container)
+    {
+        $container->set(
+            PluginInterface::class,
+            function (Container $container) {
+                $plugin     = new Contacts(
+                    $container->get(DispatcherInterface::class),
+                    (array) PluginHelper::getPlugin('finder', 'contacts')
+                );
+                $plugin->setApplication(Factory::getApplication());
+                $plugin->setDatabase($container->get(DatabaseInterface::class));
+
+                return $plugin;
+            }
+        );
+    }
+};

plugins/finder/contacts/src/Extension/Contacts.php

@@ -0,0 +1,449 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Finder.contacts
+ *
+ * @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\Contacts\Extension;
+
+use Joomla\CMS\Component\ComponentHelper;
+use Joomla\CMS\Table\Table;
+use Joomla\Component\Contact\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\Registry\Registry;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Finder adapter for Joomla Contacts.
+ *
+ * @since  2.5
+ */
+final class Contacts extends Adapter
+{
+    use DatabaseAwareTrait;
+
+    /**
+     * The plugin identifier.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $context = 'Contacts';
+
+    /**
+     * The extension name.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $extension = 'com_contact';
+
+    /**
+     * The sublayout to use when rendering the results.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $layout = 'contact';
+
+    /**
+     * The type of content that the adapter indexes.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $type_title = 'Contact';
+
+    /**
+     * The table name.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $table = '#__contact_details';
+
+    /**
+     * 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 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   string   $extension  The extension whose category has been updated.
+     * @param   array    $pks        A list of primary key ids of the content that has changed state.
+     * @param   integer  $value      The value of the state that the content has been changed to.
+     *
+     * @return  void
+     *
+     * @since   2.5
+     */
+    public function onFinderCategoryChangeState($extension, $pks, $value)
+    {
+        // Make sure we're handling com_contact categories
+        if ($extension === 'com_contact') {
+            $this->categoryStateChange($pks, $value);
+        }
+    }
+
+    /**
+     * Method to remove the link information for items that have been deleted.
+     *
+     * This event will fire when contacts are deleted and when an indexed item is deleted.
+     *
+     * @param   string  $context  The context of the action being performed.
+     * @param   Table   $table    A Table object containing the record to be deleted
+     *
+     * @return  void
+     *
+     * @since   2.5
+     * @throws  \Exception on database error.
+     */
+    public function onFinderAfterDelete($context, $table): void
+    {
+        if ($context === 'com_contact.contact') {
+            $id = $table->id;
+        } elseif ($context === 'com_finder.index') {
+            $id = $table->link_id;
+        } else {
+            return;
+        }
+
+        // Remove the items.
+        $this->remove($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   Table    $row      A Table object
+     * @param   boolean  $isNew    If the content has just been created
+     *
+     * @return  void
+     *
+     * @since   2.5
+     * @throws  \Exception on database error.
+     */
+    public function onFinderAfterSave($context, $row, $isNew): void
+    {
+        // We only want to handle contacts here
+        if ($context === 'com_contact.contact') {
+            // 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);
+            }
+        }
+    }
+
+    /**
+     * 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   Table    $row      A Table 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, $isNew)
+    {
+        // We only want to handle contacts here
+        if ($context === 'com_contact.contact') {
+            // 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   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, $value)
+    {
+        // We only want to handle contacts here
+        if ($context === 'com_contact.contact') {
+            $this->itemStateChange($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 $item)
+    {
+        // Check if the extension is enabled
+        if (ComponentHelper::isEnabled($this->extension) === false) {
+            return;
+        }
+
+        $item->setLanguage();
+
+        // Initialize the item parameters.
+        $item->params = new Registry($item->params);
+
+        // 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.
+        $item->route = RouteHelper::getContactRoute($item->slug, $item->catslug, $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 = $title;
+        }
+
+        // Add the image.
+        if ($item->image) {
+            $item->imageUrl = $item->image;
+            $item->imageAlt = $item->title ?? '';
+        }
+
+        /*
+         * Add the metadata processing instructions based on the contact
+         * configuration parameters.
+         */
+
+        // Handle the contact position.
+        if ($item->params->get('show_position', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'position');
+        }
+
+        // Handle the contact street address.
+        if ($item->params->get('show_street_address', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'address');
+        }
+
+        // Handle the contact city.
+        if ($item->params->get('show_suburb', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'city');
+        }
+
+        // Handle the contact region.
+        if ($item->params->get('show_state', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'region');
+        }
+
+        // Handle the contact country.
+        if ($item->params->get('show_country', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'country');
+        }
+
+        // Handle the contact zip code.
+        if ($item->params->get('show_postcode', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'zip');
+        }
+
+        // Handle the contact telephone number.
+        if ($item->params->get('show_telephone', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'telephone');
+        }
+
+        // Handle the contact fax number.
+        if ($item->params->get('show_fax', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'fax');
+        }
+
+        // Handle the contact email address.
+        if ($item->params->get('show_email', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'email');
+        }
+
+        // Handle the contact mobile number.
+        if ($item->params->get('show_mobile', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'mobile');
+        }
+
+        // Handle the contact webpage.
+        if ($item->params->get('show_webpage', true)) {
+            $item->addInstruction(Indexer::META_CONTEXT, 'webpage');
+        }
+
+        // Handle the contact user name.
+        $item->addInstruction(Indexer::META_CONTEXT, 'user');
+
+        // Get taxonomies to display
+        $taxonomies = $this->params->get('taxonomies', ['type', 'category', 'language', 'region', 'country']);
+
+        // Add the type taxonomy data.
+        if (\in_array('type', $taxonomies)) {
+            $item->addTaxonomy('Type', 'Contact');
+        }
+
+        // Add the category taxonomy data.
+        $categories = $this->getApplication()->bootComponent('com_contact')->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);
+        }
+
+        // Add the region taxonomy data.
+        if (\in_array('region', $taxonomies) && !empty($item->region) && $this->params->get('tax_add_region', true)) {
+            $item->addTaxonomy('Region', $item->region);
+        }
+
+        // Add the country taxonomy data.
+        if (\in_array('country', $taxonomies) && !empty($item->country) && $this->params->get('tax_add_country', true)) {
+            $item->addTaxonomy('Country', $item->country);
+        }
+
+        // Get content extras.
+        Helper::getContentExtras($item);
+        Helper::addCustomFields($item, 'com_contact.contact');
+
+        // 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()
+    {
+        return true;
+    }
+
+    /**
+     * 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.name AS title, a.alias, a.con_position AS position, a.address, a.created AS start_date')
+            ->select('a.created_by_alias, a.modified, a.modified_by')
+            ->select('a.metakey, a.metadesc, a.metadata, a.language')
+            ->select('a.sortname1, a.sortname2, a.sortname3')
+            ->select('a.publish_up AS publish_start_date, a.publish_down AS publish_end_date')
+            ->select('a.suburb AS city, a.state AS region, a.country, a.postcode AS zip')
+            ->select('a.telephone, a.fax, a.misc AS summary, a.email_to AS email, a.mobile')
+            ->select('a.image, a.webpage, a.access, a.published AS state, a.ordering, a.params, a.catid')
+            ->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')
+            ->from('#__contact_details AS a')
+            ->join('LEFT', '#__categories AS c ON c.id = a.catid')
+            ->join('LEFT', '#__users AS u ON u.id = a.user_id');
+
+        return $query;
+    }
+}

plugins/finder/content/content.xml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<extension type="plugin" group="finder" method="upgrade">
+	<name>plg_finder_content</name>
+	<author>Joomla! Project</author>
+	<creationDate>2011-08</creationDate>
+	<copyright>(C) 2011 Open Source Matters, Inc.</copyright>
+	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
+	<authorEmail>admin@joomla.org</authorEmail>
+	<authorUrl>www.joomla.org</authorUrl>
+	<version>3.0.0</version>
+	<description>PLG_FINDER_CONTENT_XML_DESCRIPTION</description>
+	<namespace path="src">Joomla\Plugin\Finder\Content</namespace>
+	<files>
+		<folder plugin="content">services</folder>
+		<folder>src</folder>
+	</files>
+	<languages>
+		<language tag="en-GB">language/en-GB/plg_finder_content.ini</language>
+		<language tag="en-GB">language/en-GB/plg_finder_content.sys.ini</language>
+	</languages>
+	<config>
+		<fields name="params">
+			<fieldset name="basic" addfieldprefix="Joomla\Component\Finder\Administrator\Field">
+				<field
+					name="search_archived"
+					type="radio"
+					layout="joomla.form.field.radio.switcher"
+					label="PLG_FINDER_CONTENT_FIELD_SEARCH_ARCHIVED_LABEL"
+					description="PLG_FINDER_CONTENT_FIELD_SEARCH_ARCHIVED_DESC"
+					default="1"
+					filter="integer"
+					>
+					<option value="0">JNO</option>
+					<option value="1">JYES</option>
+				</field>
+				<field
+					name="taxonomies"
+					type="taxonomytypes"
+					label="PLG_FINDER_CONTENT_TAXONOMIES_LABEL"
+					default="type,category,language,author"
+					multiple="true"
+					>
+					<option value="author">PLG_FINDER_CONTENT_TAXONOMIES_AUTHOR</option>
+					<option value="category">PLG_FINDER_CONTENT_TAXONOMIES_CATEGORY</option>
+					<option value="language">PLG_FINDER_CONTENT_TAXONOMIES_LANGUAGE</option>
+					<option value="type">PLG_FINDER_CONTENT_TAXONOMIES_TYPE</option>
+				</field>
+			</fieldset>
+		</fields>
+	</config>
+</extension>

plugins/finder/content/services/provider.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Finder.content
+ *
+ * @copyright   (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Extension\PluginInterface;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Plugin\PluginHelper;
+use Joomla\Database\DatabaseInterface;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+use Joomla\Event\DispatcherInterface;
+use Joomla\Plugin\Finder\Content\Extension\Content;
+
+return new class () implements ServiceProviderInterface {
+    /**
+     * Registers the service provider with a DI container.
+     *
+     * @param   Container  $container  The DI container.
+     *
+     * @return  void
+     *
+     * @since   4.3.0
+     */
+    public function register(Container $container)
+    {
+        $container->set(
+            PluginInterface::class,
+            function (Container $container) {
+                $plugin     = new Content(
+                    $container->get(DispatcherInterface::class),
+                    (array) PluginHelper::getPlugin('finder', 'content')
+                );
+                $plugin->setApplication(Factory::getApplication());
+                $plugin->setDatabase($container->get(DatabaseInterface::class));
+
+                return $plugin;
+            }
+        );
+    }
+};

plugins/finder/content/src/Extension/Content.php

@@ -0,0 +1,421 @@
+<?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;
+    }
+}

plugins/finder/newsfeeds/newsfeeds.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<extension type="plugin" group="finder" method="upgrade">
+	<name>plg_finder_newsfeeds</name>
+	<author>Joomla! Project</author>
+	<creationDate>2011-08</creationDate>
+	<copyright>(C) 2011 Open Source Matters, Inc.</copyright>
+	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
+	<authorEmail>admin@joomla.org</authorEmail>
+	<authorUrl>www.joomla.org</authorUrl>
+	<version>3.0.0</version>
+	<description>PLG_FINDER_NEWSFEEDS_XML_DESCRIPTION</description>
+	<namespace path="src">Joomla\Plugin\Finder\Newsfeeds</namespace>
+	<files>
+		<folder plugin="newsfeeds">services</folder>
+		<folder>src</folder>
+	</files>
+	<languages>
+		<language tag="en-GB">language/en-GB/plg_finder_newsfeeds.ini</language>
+		<language tag="en-GB">language/en-GB/plg_finder_newsfeeds.sys.ini</language>
+	</languages>
+	<config>
+		<fields name="params">
+			<fieldset name="basic" addfieldprefix="Joomla\Component\Finder\Administrator\Field">
+				<field
+					name="search_archived"
+					type="radio"
+					layout="joomla.form.field.radio.switcher"
+					label="PLG_FINDER_NEWSFEEDS_FIELD_SEARCH_ARCHIVED_LABEL"
+					description="PLG_FINDER_NEWSFEEDS_FIELD_SEARCH_ARCHIVED_DESC"
+					default="1"
+					filter="integer"
+					>
+					<option value="0">JNO</option>
+					<option value="1">JYES</option>
+				</field>
+				<field
+					name="taxonomies"
+					type="taxonomytypes"
+					label="PLG_FINDER_NEWSFEEDS_TAXONOMIES_LABEL"
+					default="type,category,language"
+					multiple="true"
+					>
+					<option value="category">PLG_FINDER_NEWSFEEDS_TAXONOMIES_CATEGORY</option>
+					<option value="language">PLG_FINDER_NEWSFEEDS_TAXONOMIES_LANGUAGE</option>
+					<option value="type">PLG_FINDER_NEWSFEEDS_TAXONOMIES_TYPE</option>
+				</field>
+			</fieldset>
+		</fields>
+	</config>
+</extension>

plugins/finder/newsfeeds/services/provider.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Finder.newsfeeds
+ *
+ * @copyright   (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Extension\PluginInterface;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Plugin\PluginHelper;
+use Joomla\Database\DatabaseInterface;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+use Joomla\Event\DispatcherInterface;
+use Joomla\Plugin\Finder\Newsfeeds\Extension\Newsfeeds;
+
+return new class () implements ServiceProviderInterface {
+    /**
+     * Registers the service provider with a DI container.
+     *
+     * @param   Container  $container  The DI container.
+     *
+     * @return  void
+     *
+     * @since   4.3.0
+     */
+    public function register(Container $container)
+    {
+        $container->set(
+            PluginInterface::class,
+            function (Container $container) {
+                $plugin     = new Newsfeeds(
+                    $container->get(DispatcherInterface::class),
+                    (array) PluginHelper::getPlugin('finder', 'newsfeeds')
+                );
+                $plugin->setApplication(Factory::getApplication());
+                $plugin->setDatabase($container->get(DatabaseInterface::class));
+
+                return $plugin;
+            }
+        );
+    }
+};

plugins/finder/newsfeeds/src/Extension/Newsfeeds.php

@@ -0,0 +1,375 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Finder.newsfeeds
+ *
+ * @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\Newsfeeds\Extension;
+
+use Joomla\CMS\Component\ComponentHelper;
+use Joomla\CMS\Table\Table;
+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\Component\Newsfeeds\Site\Helper\RouteHelper;
+use Joomla\Database\DatabaseAwareTrait;
+use Joomla\Database\DatabaseQuery;
+use Joomla\Registry\Registry;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Smart Search adapter for Joomla Newsfeeds.
+ *
+ * @since  2.5
+ */
+final class Newsfeeds extends Adapter
+{
+    use DatabaseAwareTrait;
+
+    /**
+     * The plugin identifier.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $context = 'Newsfeeds';
+
+    /**
+     * The extension name.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $extension = 'com_newsfeeds';
+
+    /**
+     * The sublayout to use when rendering the results.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $layout = 'newsfeed';
+
+    /**
+     * The type of content that the adapter indexes.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $type_title = 'News Feed';
+
+    /**
+     * The table name.
+     *
+     * @var    string
+     * @since  2.5
+     */
+    protected $table = '#__newsfeeds';
+
+    /**
+     * 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 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   string   $extension  The extension whose category has been updated.
+     * @param   array    $pks        An array of primary key ids of the content that has changed state.
+     * @param   integer  $value      The value of the state that the content has been changed to.
+     *
+     * @return  void
+     *
+     * @since   2.5
+     */
+    public function onFinderCategoryChangeState($extension, $pks, $value)
+    {
+        // Make sure we're handling com_newsfeeds categories.
+        if ($extension === 'com_newsfeeds') {
+            $this->categoryStateChange($pks, $value);
+        }
+    }
+
+    /**
+     * Method to remove the link information for items that have been deleted.
+     *
+     * @param   string  $context  The context of the action being performed.
+     * @param   Table   $table    A Table object containing the record to be deleted.
+     *
+     * @return  void
+     *
+     * @since   2.5
+     * @throws  \Exception on database error.
+     */
+    public function onFinderAfterDelete($context, $table): void
+    {
+        if ($context === 'com_newsfeeds.newsfeed') {
+            $id = $table->id;
+        } elseif ($context === 'com_finder.index') {
+            $id = $table->link_id;
+        } else {
+            return;
+        }
+
+        // Remove the item from the index.
+        $this->remove($id);
+    }
+
+    /**
+     * Smart Search after save content method.
+     * Reindexes the link information for a newsfeed that has been saved.
+     * It also makes adjustments if the access level of a newsfeed item or
+     * the category to which it belongs has changed.
+     *
+     * @param   string   $context  The context of the content passed to the plugin.
+     * @param   Table    $row      A Table object.
+     * @param   boolean  $isNew    True if the content has just been created.
+     *
+     * @return  void
+     *
+     * @since   2.5
+     * @throws  \Exception on database error.
+     */
+    public function onFinderAfterSave($context, $row, $isNew): void
+    {
+        // We only want to handle newsfeeds here.
+        if ($context === 'com_newsfeeds.newsfeed') {
+            // 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   string   $context  The context of the content passed to the plugin.
+     * @param   Table    $row      A Table object.
+     * @param   boolean  $isNew    True if the content is just about to be created.
+     *
+     * @return  boolean  True on success.
+     *
+     * @since   2.5
+     * @throws  \Exception on database error.
+     */
+    public function onFinderBeforeSave($context, $row, $isNew)
+    {
+        // We only want to handle newsfeeds here.
+        if ($context === 'com_newsfeeds.newsfeed') {
+            // 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   string   $context  The context for the content passed to the plugin.
+     * @param   array    $pks      An array 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, $value)
+    {
+        // We only want to handle newsfeeds here.
+        if ($context === 'com_newsfeeds.newsfeed') {
+            $this->itemStateChange($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 $item)
+    {
+        // Check if the extension is enabled.
+        if (ComponentHelper::isEnabled($this->extension) === false) {
+            return;
+        }
+
+        $item->setLanguage();
+
+        // Initialize the item parameters.
+        $item->params = new Registry($item->params);
+
+        $item->metadata = new Registry($item->metadata);
+
+        // 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.
+        $item->route = RouteHelper::getNewsfeedRoute($item->slug, $item->catslug, $item->language);
+
+        /*
+         * Add the metadata processing instructions based on the newsfeeds
+         * configuration parameters.
+         */
+
+        // Add the meta author.
+        $item->metaauthor = $item->metadata->get('author');
+
+        // Handle the link to the metadata.
+        $item->addInstruction(Indexer::META_CONTEXT, 'link');
+
+        $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');
+
+        // Get taxonomies to display
+        $taxonomies = $this->params->get('taxonomies', ['type', 'category', 'language']);
+
+        // Add the type taxonomy data.
+        if (\in_array('type', $taxonomies)) {
+            $item->addTaxonomy('Type', 'News Feed');
+        }
+
+        // Add the category taxonomy data.
+        $categories = $this->getApplication()->bootComponent('com_newsfeeds')->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);
+
+        // 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()
+    {
+        return true;
+    }
+
+    /**
+     * 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.catid, a.name AS title, a.alias, a.link AS link')
+            ->select('a.published AS state, a.ordering, a.created AS start_date, a.params, a.access')
+            ->select('a.publish_up AS publish_start_date, a.publish_down AS publish_end_date')
+            ->select('a.metakey, a.metadesc, a.metadata, a.language')
+            ->select('a.created_by, a.created_by_alias, a.modified, a.modified_by')
+            ->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)
+
+            ->from('#__newsfeeds AS a')
+            ->join('LEFT', '#__categories AS c ON c.id = a.catid');
+
+        return $query;
+    }
+}

plugins/finder/tags/services/provider.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Finder.tags
+ *
+ * @copyright   (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+\defined('_JEXEC') or die;
+
+use Joomla\CMS\Extension\PluginInterface;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Plugin\PluginHelper;
+use Joomla\Database\DatabaseInterface;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+use Joomla\Event\DispatcherInterface;
+use Joomla\Plugin\Finder\Tags\Extension\Tags;
+
+return new class () implements ServiceProviderInterface {
+    /**
+     * Registers the service provider with a DI container.
+     *
+     * @param   Container  $container  The DI container.
+     *
+     * @return  void
+     *
+     * @since   4.3.0
+     */
+    public function register(Container $container)
+    {
+        $container->set(
+            PluginInterface::class,
+            function (Container $container) {
+                $plugin     = new Tags(
+                    $container->get(DispatcherInterface::class),
+                    (array) PluginHelper::getPlugin('finder', 'tags')
+                );
+                $plugin->setApplication(Factory::getApplication());
+                $plugin->setDatabase($container->get(DatabaseInterface::class));
+
+                return $plugin;
+            }
+        );
+    }
+};

plugins/finder/tags/src/Extension/Tags.php

@@ -0,0 +1,363 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Finder.tags
+ *
+ * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Plugin\Finder\Tags\Extension;
+
+use Joomla\CMS\Component\ComponentHelper;
+use Joomla\CMS\Table\Table;
+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\Component\Tags\Site\Helper\RouteHelper;
+use Joomla\Database\DatabaseAwareTrait;
+use Joomla\Database\DatabaseQuery;
+use Joomla\Registry\Registry;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Finder adapter for Joomla Tag.
+ *
+ * @since  3.1
+ */
+final class Tags extends Adapter
+{
+    use DatabaseAwareTrait;
+
+    /**
+     * The plugin identifier.
+     *
+     * @var    string
+     * @since  3.1
+     */
+    protected $context = 'Tags';
+
+    /**
+     * The extension name.
+     *
+     * @var    string
+     * @since  3.1
+     */
+    protected $extension = 'com_tags';
+
+    /**
+     * The sublayout to use when rendering the results.
+     *
+     * @var    string
+     * @since  3.1
+     */
+    protected $layout = 'tag';
+
+    /**
+     * The type of content that the adapter indexes.
+     *
+     * @var    string
+     * @since  3.1
+     */
+    protected $type_title = 'Tag';
+
+    /**
+     * The table name.
+     *
+     * @var    string
+     * @since  3.1
+     */
+    protected $table = '#__tags';
+
+    /**
+     * Load the language file on instantiation.
+     *
+     * @var    boolean
+     * @since  3.1
+     */
+    protected $autoloadLanguage = true;
+
+    /**
+     * The field the published state is stored in.
+     *
+     * @var    string
+     * @since  3.1
+     */
+    protected $state_field = 'published';
+
+    /**
+     * Method to remove the link information for items that have been deleted.
+     *
+     * @param   string  $context  The context of the action being performed.
+     * @param   Table   $table    A Table object containing the record to be deleted
+     *
+     * @return  void
+     *
+     * @since   3.1
+     * @throws  \Exception on database error.
+     */
+    public function onFinderAfterDelete($context, $table): void
+    {
+        if ($context === 'com_tags.tag') {
+            $id = $table->id;
+        } elseif ($context === 'com_finder.index') {
+            $id = $table->link_id;
+        } else {
+            return;
+        }
+
+        // Remove the items.
+        $this->remove($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   Table    $row      A Table object
+     * @param   boolean  $isNew    If the content has just been created
+     *
+     * @return  void
+     *
+     * @since   3.1
+     * @throws  \Exception on database error.
+     */
+    public function onFinderAfterSave($context, $row, $isNew): void
+    {
+        // We only want to handle tags here.
+        if ($context === 'com_tags.tag') {
+            // 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);
+        }
+    }
+
+    /**
+     * 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   Table    $row      A Table object
+     * @param   boolean  $isNew    If the content is just about to be created
+     *
+     * @return  boolean  True on success.
+     *
+     * @since   3.1
+     * @throws  \Exception on database error.
+     */
+    public function onFinderBeforeSave($context, $row, $isNew)
+    {
+        // We only want to handle news feeds here
+        if ($context === 'com_tags.tag') {
+            // Query the database for the old access level if the item isn't new
+            if (!$isNew) {
+                $this->checkItemAccess($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  $value    The value of the state that the content has been changed to.
+     *
+     * @return  void
+     *
+     * @since   3.1
+     */
+    public function onFinderChangeState($context, $pks, $value)
+    {
+        // We only want to handle tags here
+        if ($context === 'com_tags.tag') {
+            $this->itemStateChange($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   3.1
+     * @throws  \Exception on database error.
+     */
+    protected function index(Result $item)
+    {
+        // Check if the extension is enabled
+        if (ComponentHelper::isEnabled($this->extension) === false) {
+            return;
+        }
+
+        $item->setLanguage();
+
+        // Initialize the item parameters.
+        $registry     = new Registry($item->params);
+        $item->params = clone ComponentHelper::getParams('com_tags', true);
+        $item->params->merge($registry);
+
+        $item->metadata = new Registry($item->metadata);
+
+        // 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.
+        $item->route = RouteHelper::getComponentTagRoute($item->slug, $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;
+        }
+
+        // Add the meta author.
+        $item->metaauthor = $item->metadata->get('author');
+
+        // Handle the link to the metadata.
+        $item->addInstruction(Indexer::META_CONTEXT, 'link');
+        $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');
+
+        // Get taxonomies to display
+        $taxonomies = $this->params->get('taxonomies', ['type', 'author', 'language']);
+
+        // Add the type taxonomy data.
+        if (\in_array('type', $taxonomies)) {
+            $item->addTaxonomy('Type', 'Tag');
+        }
+
+        // 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);
+        }
+
+        // Add the language taxonomy data.
+        if (\in_array('language', $taxonomies)) {
+            $item->addTaxonomy('Language', $item->language);
+        }
+
+        // Get content extras.
+        Helper::getContentExtras($item);
+
+        // Index the item.
+        $this->indexer->index($item);
+    }
+
+    /**
+     * Method to setup the indexer to be run.
+     *
+     * @return  boolean  True on success.
+     *
+     * @since   3.1
+     */
+    protected function setup()
+    {
+        return true;
+    }
+
+    /**
+     * Method to get the SQL query used to retrieve the list of content items.
+     *
+     * @param   mixed  $query  A DatabaseQuery object or null.
+     *
+     * @return  DatabaseQuery  A database object.
+     *
+     * @since   3.1
+     */
+    protected function getListQuery($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.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.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 .= $query->concatenate([$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('#__tags AS a');
+
+        // Join the #__users table
+        $query->select('u.name AS author')
+            ->join('LEFT', '#__users AS u ON u.id = a.created_user_id');
+
+        // Exclude the ROOT item
+        $query->where($db->quoteName('a.id') . ' > 1');
+
+        return $query;
+    }
+
+    /**
+     * Method to get a SQL query to load the published and access states for the given tag.
+     *
+     * @return  DatabaseQuery  A database object.
+     *
+     * @since   3.1
+     */
+    protected function getStateQuery()
+    {
+        $query = $this->getDatabase()->getQuery(true);
+        $query->select($this->getDatabase()->quoteName('a.id'))
+            ->select($this->getDatabase()->quoteName('a.' . $this->state_field, 'state') . ', ' . $this->getDatabase()->quoteName('a.access'))
+            ->select('NULL AS cat_state, NULL AS cat_access')
+            ->from($this->getDatabase()->quoteName($this->table, 'a'));
+
+        return $query;
+    }
+
+    /**
+     * Method to get the query clause for getting items to update by time.
+     *
+     * @param   string  $time  The modified timestamp.
+     *
+     * @return  DatabaseQuery  A database object.
+     *
+     * @since   3.1
+     */
+    protected function getUpdateQueryByTime($time)
+    {
+        // Build an SQL query based on the modified time.
+        $query = $this->getDatabase()->getQuery(true)
+            ->where('a.date >= ' . $this->getDatabase()->quote($time));
+
+        return $query;
+    }
+}

plugins/finder/tags/tags.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<extension type="plugin" group="finder" method="upgrade">
+	<name>plg_finder_tags</name>
+	<author>Joomla! Project</author>
+	<creationDate>2013-02</creationDate>
+	<copyright>(C) 2013 Open Source Matters, Inc.</copyright>
+	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
+	<authorEmail>admin@joomla.org</authorEmail>
+	<authorUrl>www.joomla.org</authorUrl>
+	<version>3.0.0</version>
+	<description>PLG_FINDER_TAGS_XML_DESCRIPTION</description>
+	<namespace path="src">Joomla\Plugin\Finder\Tags</namespace>
+	<files>
+		<folder plugin="tags">services</folder>
+		<folder>src</folder>
+	</files>
+	<languages>
+		<language tag="en-GB">language/en-GB/plg_finder_tags.ini</language>
+		<language tag="en-GB">language/en-GB/plg_finder_tags.sys.ini</language>
+	</languages>
+	<config>
+		<fields name="params">
+			<fieldset name="basic" addfieldprefix="Joomla\Component\Finder\Administrator\Field">
+				<field
+					name="search_archived"
+					type="radio"
+					layout="joomla.form.field.radio.switcher"
+					label="PLG_FINDER_TAGS_FIELD_SEARCH_ARCHIVED_LABEL"
+					description="PLG_FINDER_TAGS_FIELD_SEARCH_ARCHIVED_DESC"
+					default="1"
+					filter="integer"
+					>
+					<option value="0">JNO</option>
+					<option value="1">JYES</option>
+				</field>
+				<field
+					name="taxonomies"
+					type="taxonomytypes"
+					label="PLG_FINDER_TAGS_TAXONOMIES_LABEL"
+					default="type,language,author"
+					multiple="true"
+					>
+					<option value="author">PLG_FINDER_TAGS_TAXONOMIES_AUTHOR</option>
+					<option value="language">PLG_FINDER_TAGS_TAXONOMIES_LANGUAGE</option>
+					<option value="type">PLG_FINDER_TAGS_TAXONOMIES_TYPE</option>
+				</field>
+			</fieldset>
+		</fields>
+	</config>
+</extension>