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<?php
/**
* @package Joomla.Plugin
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*
* @extension jDownloads
* @copyright (C) Arno Betz - www.jdownloads.com
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.txt
*/
defined('_JEXEC') or die;
use JDownloads\Component\JDownloads\Site\Helper\CategoriesHelper;
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\DatabaseInterface;
use Joomla\Registry\Registry;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Factory;
use JDownloads\Component\JDownloads\Site\Helper\RouteHelper;
use JDownloads\Component\JDownloads\Administrator\Table\DownloadTable;
Table::addIncludePath(JPATH_ADMINISTRATOR.'/components/com_jdownloads/src/Table');
/**
* Smart Search adapter for com_jdownloads
*/
class PlgFinderJdownloads extends Adapter
{
protected $context = 'Jdownloads';
protected $extension = 'com_jdownloads';
protected $layout = 'download';
protected $type_title = 'Download';
protected $table = '#__jdownloads_files';
protected $state_field = 'published';
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 This is fired when the item category is published or unpublished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 $value The value of the state that the content has been changed to.
*
* @return void
*
*/
public function onFinderCategoryChangeState($extension, $pks, $value)
{
if ($extension === 'com_jdownloads.category'){
$this->categoryStateChangeJD($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 JTable $table A JTable object containing the record to be deleted
*
* @return boolean True on success.
*
* @throws Exception on database error.
*/
public function onFinderAfterDelete($context, $table)
{
if ($context === 'com_jdownloads.download'){
$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 an Download 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 string $context The context of the content passed to the plugin.
* @param JTable $row A JTable object.
* @param boolean $isNew True if the content has just been created.
*
* @return boolean True on success.
*
* @throws Exception on database error.
*/
public function onFinderAfterSave($context, $row, $isNew)
{
// We only want to handle Downloads here. But note that we must handle also frontend editing here.
if ($context === 'com_jdownloads.download' || $context === 'com_jdownloads.form'){
// Check if the access levels are different.
if (!$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 ($context === 'com_jdownloads.category'){
// Check if the access levels are different.
if (!$isNew && $this->old_cataccess != $row->access){
$this->categoryAccessChange($row);
}
}
return true;
}
/**
* 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 JTable $row A JTable object.
* @param boolean $isNew If the content is just about to be created.
*
* @return boolean True on success.
*
* @throws Exception on database error.
*/
public function onFinderBeforeSave($context, $row, $isNew)
{
// We only want to handle Downloads here.
if ($context === 'com_jdownloads.download' || $context === 'com_jdownloads.form'){
// Query the database for the old access level if the item isn't new.
if (!$isNew){
$this->checkItemAccess($row);
}
}
// Check for access levels from the category.
if ($context === 'com_jdownloads.category'){
// Query the database for the old access level if the item isn't new.
if (!$isNew){
$this->checkCategoryAccessJD($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 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 $value The value of the state that the content has been changed to.
*
* @return void
*
*/
public function onFinderChangeState($context, $pks, $value)
{
if ($context === 'com_jdownloads.download' || $context === 'com_jdownloads.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 FinderIndexerResult object.
*
* @param FinderIndexerResult $item The item to index as a FinderIndexerResult object.
* @param string $format The item format. Not used.
*
* @return void
*
* @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_jdownloads.download';
// Initialise the item parameters.
$registry = new Registry($item->params);
$item->params = ComponentHelper::getParams('com_jdownloads', true);
$item->params->merge($registry);
$item->metadata = new Registry($item->metadata);
// Trigger the onContentPrepare event.
$item->summary = self::prepareContentJD($item->summary, $item->params, $item);
$item->body = self::prepareContentJD($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.
$item->route = RouteHelper::getDownloadRoute($item->slug, $item->catid, $item->language);
// Get the menu title if it exists.
try {
$title = $this->getItemMenuTitle($item->url);
// Adjust the title if necessary.
if (!empty($title) && $this->params->get('use_menu_title', true)){
$item->title = $title;
}
} catch (\Exception $e) {
// In debug mode or when app is not available, skip menu title lookup
}
// 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, 'author');
// Translate the state. Downloads should only be published if the category is published.
$item->state = $this->translateState($item->state, $item->cat_state);
// Add the type taxonomy data.
$item->addTaxonomy('Type', 'Download');
// Add the author taxonomy data.
if (!empty($item->author)){
$item->addTaxonomy('Author', $item->author);
}
// Add the category taxonomy data.
$categories = CategoriesHelper::getInstance('com_jdownloads', ['published' => false, 'access' => false]);
$category = $categories->get($item->catid);
// Category does not exist, stop here
if (!$category)
{
return;
}
//$item->addNestedTaxonomy('Category', $category, $this->translateState($category->published), $category->access, $category->language);
// Add the category taxonomy data.
$item->addTaxonomy('Category', $item->category, $item->cat_state, $item->cat_access);
// 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 setup the indexer to be run.
*
* @return boolean True on success.
*
*/
protected function setup()
{
return true;
}
/**
* Method to get the SQL query used to retrieve the list of Download items.
*
* @param mixed $query A JDatabaseQuery object or null.
*
* @return JDatabaseQuery A database object.
*
*/
protected function getListQuery($query = null)
{
$db = Factory::getContainer()->get(DatabaseInterface::class);
// 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, a.description_long AS body')
->select('a.images')
->select('a.published AS state, a.catid, a.created AS start_date, a.created_by')
->select('a.modified, a.modified_by AS params')
->select('a.metakey, a.metadesc, a.language, a.access, a.user_access, a.release, 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->castAs('CHAR', 'a.id');
$case_when_item_alias .= $query->concatenate(array($a_id, 'a.alias'), ':');
$case_when_item_alias .= ' ELSE ';
$case_when_item_alias .= $a_id . ' END as slug';
$query->select($case_when_item_alias);
$case_when_category_alias = ' CASE WHEN ';
$case_when_category_alias .= $query->charLength('c.alias', '!=', '0');
$case_when_category_alias .= ' THEN ';
$c_id = $query->castAs('CHAR','c.id');
$case_when_category_alias .= $query->concatenate(array($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('#__jdownloads_files AS a')
->join('LEFT', '#__jdownloads_categories AS c ON c.id = a.catid')
->join('LEFT', '#__users AS u ON u.id = a.created_by');
return $query;
}
protected function categoryStateChangeJD($pks, $value)
{
/*
* The item's published state is tied to the category
* published state so we need to look up all published states
* before we change anything.
*/
foreach ($pks as $pk){
$query = $this->db->getQuery(true);
// Item ID
$query->select('a.id');
// Item and category published state
$query->select('a.published AS state, c.published AS cat_state');
// Item and category access levels
$query->select('a.access, a.user_access, c.access AS cat_access')
->from('#__jdownloads_files AS a')
->join('LEFT', '#__jdownloads_categories AS c ON c.id = a.catid');
$query->where('c.id = ' . (int) $pk);
// Get the published states.
$this->db->setQuery($query);
$items = $this->db->loadObjectList();
// Adjust the state for each item within the category.
foreach ($items as $item){
// Translate the state.
$temp = $this->translateState($item->state, $value);
// Update the item.
$this->change($item->id, 'state', $temp);
// Reindex the item
$this->reindex($item->id);
}
}
}
/**
* Method to update index data on category access level changes
*
* @param JTable $row A JTable object
*
* @return void
*
*/
protected function categoryAccessChangeJD($row)
{
$query = clone $this->getStateQuery();
$query->where('c.id = ' . (int) $row->id);
// Get the access level.
$this->db->setQuery($query);
$items = $this->db->loadObjectList();
// Adjust the access level for each item within the category.
foreach ($items as $item){
// Set the access level.
$temp = max($item->access, $row->access);
// Update the item.
$this->change((int) $item->id, 'access', $temp);
// Reindex the item
$this->reindex($row->id);
}
}
/**
* Method to check the existing access level for categories
*
* @param JTable $row A JTable object
*
* @return void
*
*/
protected function checkCategoryAccessJD($row)
{
$query = $this->db->getQuery(true)
->select($this->db->quoteName('access'))
->from($this->db->quoteName('#__jdownloads_categories'))
->where($this->db->quoteName('id') . ' = ' . (int) $row->id);
$this->db->setQuery($query);
// Store the access level to determine if it changes
$this->old_cataccess = $this->db->loadResult();
}
public static function prepareContentJD($text, $params = null, ?Result $item = null)
{
static $loaded;
// Load the content plugins if necessary.
if (empty($loaded))
{
PluginHelper::importPlugin('content');
$loaded = true;
}
// Instantiate the parameter object if necessary.
if (!($params instanceof Registry))
{
$registry = new Registry($params);
$params = $registry;
}
// Create a mock content object.
$content = Table::getInstance('DownloadTable', 'JDownloads\\Component\\JDownloads\\Administrator\\Table\\');
if (!$content){
return '';
}
$content->text = $text;
if ($item)
{
$content->bind((array) $item);
$content->bind($item->getElements());
}
if ($item && !empty($item->context))
{
$content->context = $item->context;
}
// Fire the onContentPrepare event.
Factory::getApplication()->triggerEvent('onContentPrepare', array('com_finder.indexer', &$content, &$params, 0));
return $content->text;
}
}