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* @license GNU General Public License version 2 or later; see LICENSE.txt */ defined('_JEXEC') or die; 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\DatabaseQuery; use Joomla\Database\ParameterType; use Joomla\Registry\Registry; /** * Smart Search adapter for Joomla Categories. * * @since 2.5 */ class PlgFinderCategories extends Adapter { /** * 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->db->quoteName('a.id') . ' = :plgFinderCategoriesId') ->bind(':plgFinderCategoriesId', $pk, ParameterType::INTEGER); $this->db->setQuery($query); $item = $this->db->loadObject(); // Translate the state. $state = null; if ($item->parent_id != 1) { $state = $item->cat_state; } $temp = $this->translateState($value, $state); // Update the item. $this->change($pk, 'state', $temp); // Reindex the item. $this->reindex($pk); } } // Handle when the plugin is disabled. if ($context === 'com_plugins.plugin' && $value === 0) { $this->pluginDisable($pks); } } /** * Method to index an item. The item must be a 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); // Add the type taxonomy data. $item->addTaxonomy('Type', 'Category'); // Add the language taxonomy data. $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->db; // 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->db->getQuery(true); $query->select( $this->db->quoteName( [ 'a.id', 'a.parent_id', 'a.access', ] ) ) ->select( $this->db->quoteName( [ 'a.' . $this->state_field, 'c.published', 'c.access', ], [ 'state', 'cat_state', 'cat_access', ] ) ) ->from($this->db->quoteName('#__categories', 'a')) ->join( 'INNER', $this->db->quoteName('#__categories', 'c'), $this->db->quoteName('c.id') . ' = ' . $this->db->quoteName('a.parent_id') ); return $query; } }