Gecko [ contributie.vriendennsm.nl ]

Name	Size	Permission	Date	Action
j2canonical.php	8.25 KB	-rwxr-xr-x	2022-02-20 10:42
j2canonical.xml	1.31 KB	-rwxr-xr-x	2022-02-20 10:42

Rename

<?php
/**
 * @package J2Store
 * @copyright Copyright (c)2014-17 Ramesh Elamathi / J2Store.org
 * @license GNU GPL v3 or later
 */
// Check to ensure this file is included in Joomla!
defined( '_JEXEC' ) or die( 'Restricted access' );

// Make sure FOF is loaded, otherwise do not run
if (!defined('F0F_INCLUDED'))
{
    include_once JPATH_LIBRARIES . '/f0f/include.php';
}

if (!defined('F0F_INCLUDED') || !class_exists('F0FLess', true))
{
    return;
}

// Set the separator as some idiot removed it from the core
if(!defined('DS')) define('DS', DIRECTORY_SEPARATOR);

jimport( 'joomla.plugin.plugin' );
class plgSystemJ2Canonical extends JPlugin {

protected $canonical = null;

static $j2_menus = array() ;

static $j2_products = array() ;

function __construct(&$subject, $config) {
        parent::__construct($subject, $config);
    }

function onBeforeCompileHead () {
        $app = JFactory::getApplication();

if ($app->isAdmin()) {
            return;
        }

$option = $app->input->get('option');
        $view = $app->input->get('view');
        $task = $app->input->get('task');
        // don't remove canonical until , j2store canonical url found
        if($option == 'com_j2store' && in_array($view, array('products','producttags'))  && $task == 'view' && $this->canonical) {
            $doc = JFactory::getDocument();
            // remove the shits set by Joomla!
            foreach ( $doc->_links as $k => $array ) {
                if ( $array['relation'] == 'canonical' ) {
                    unset($doc->_links[$k]);
                }
            }

// Set the correct URL as canonical if we were able to generate it
            if(!empty($this->canonical)){
                $doc->addHeadLink(htmlspecialchars($this->canonical), 'canonical');
            }
        }

}

/**
     *
     * */
    public function onAfterRoute(){

$app = JFactory::getApplication();

//don't load in administration
        if ($app->isAdmin()) {
            return;
        }

$option = $app->input->get('option');
        $view = $app->input->get('view');
        $task = $app->input->get('task');
        $item_id = $app->input->get('Itemid',0);
        //j2store product view should be taken as canonical
        if($option == 'com_j2store' && in_array($view, array('products','producttags')) && $task == 'view' && $item_id) {

//get the product id
            $j2_product_id = $app->input->getInt('id');
            $application = JFactory::getApplication();
            $menu = $application->getMenu();
            //current menu item
            $current_item = $menu->getItem( $item_id );

$menu_params = $this->getRegistryObject($current_item->params);
            $canonical_menu = $menu_params->get('canonical_menu',0);
            //canonical menu form current menu
            $canonical_item = '';
            if($canonical_menu > 0){
                $canonical_item = $menu->getItem( $canonical_menu );
            }

//find the article id
            $j2prod = F0FTable::getAnInstance('Products','J2StoreTable')->getClone();
            $j2prod->load($j2_product_id);
            if($j2prod->j2store_product_id == $j2_product_id){
                $base = trim(JUri::base(),'/');
                $url = '';
                $current_url_canonical = $this->params->get('current_url_canonical',1);
                if($view == 'products'){
                    $cat_ids = $this->getProductCatId($j2prod->j2store_product_id);
                    // for multi category
                    if($cat_ids){
                        $cat_ids = explode(',',$cat_ids);
                    }

if(empty($canonical_item) && $current_url_canonical){
                        $url = 'index.php?option=com_j2store&view=products&task=view&id='.$j2prod->j2store_product_id.'&Itemid='.$current_item->id;
                    }elseif (!empty($canonical_item)){
                        //$canonical_menu_params = $this->getRegistryObject($canonical_item->params);
                        if(isset($canonical_item->query['catid']) && !empty($canonical_item->query['catid'])){
                            foreach ($cat_ids as $key=>$catid){
                                if(in_array($catid,$canonical_item->query['catid'])){
                                    $url = 'index.php?option=com_j2store&view=products&task=view&id='.$j2prod->j2store_product_id.'&Itemid='.$canonical_item->id;
                                    break;
                                }
                            }
                        }
                        if (empty($url) && $current_url_canonical){
                            $url = 'index.php?option=com_j2store&view=products&task=view&id='.$j2prod->j2store_product_id.'&Itemid='.$current_item->id;
                        }
                    }

}elseif ($view == 'producttags'){

$tag_list = $this->getProductTags($j2prod->product_source_id,$j2prod->product_source);

if(empty($canonical_item) && $current_url_canonical){
                        $url = 'index.php?option=com_j2store&view=producttags&task=view&id='.$j2prod->j2store_product_id.'&Itemid='.$current_item->id;
                    }elseif (!empty($canonical_item)){
                        //$canonical_menu_params = $this->getRegistryObject($canonical_item->params);
                        if(isset($canonical_item->query['tag']) && !empty($canonical_item->query['tag'])){
                            if(in_array($canonical_item->query['tag'],$tag_list)){
                                $url = 'index.php?option=com_j2store&view=producttags&task=view&id='.$j2prod->j2store_product_id.'&Itemid='.$canonical_item->id;
                            }
                        }
                    }
                    if (empty($url) && $current_url_canonical){
                        $url = 'index.php?option=com_j2store&view=producttags&task=view&id='.$j2prod->j2store_product_id.'&Itemid='.$current_item->id;
                    }
                }

if ( !empty($url) ) {
                    $url = JRoute::_($url);
                    $this->canonical = $base.'/'.trim($url,'/');
                }
            }
        }

}

public function getRegistryObject($json){
        if(!$json instanceof JRegistry) {
            $params = new JRegistry();
            try {
                $params->loadString($json);

}catch(Exception $e) {
                $params = new JRegistry('{}');
            }
        }else{
            $params = $json;
        }
        return $params;
    }

/**
     * Get the products and their category ids mapped in a static variable
     * @param int $product_id J2Store product id
     * @return str category ids as csv
     * */
    public function getProductCatId($product_id) {
        if ( !empty(self::$j2_products) && isset(self::$j2_products[$product_id]) ) {
            return self::$j2_products[$product_id];
        }
        $db = JFactory::getDbo();
        $qry = $db->getQuery(true);
        $qry -> select('jp.j2store_product_id,c.catid')
            -> from('#__j2store_products jp')
            -> where('jp.product_source='.$db->q('com_content'))
            -> join('LEFT','#__content c ON c.id=jp.product_source_id');
        $db->setQuery($qry);
        self::$j2_products = $db->loadAssocList('j2store_product_id', 'catid');

if ( !empty(self::$j2_products) && isset(self::$j2_products[$product_id]) ) {
            return self::$j2_products[$product_id];
        }else {
            return 0;
        }
    }

public function getProductTags($source_id,$source_type){
        $tag_list = array();
        if($source_type == 'com_content'){
            $db = JFactory::getDBo();
            $query = $db->getQuery(true);
            $query->select('tmap.tag_id,tag.alias')->from('#__contentitem_tag_map as tmap')
                ->join('LEFT','#__tags as tag ON tmap.tag_id = tag.id')
                ->where('tmap.content_item_id ='.$db->q($source_id))
                ->where('tmap.type_alias ='.$db->q('com_content.article'));
            $db->setQuery($query);
            $list = $db->loadObjectList();
            foreach ($list as $tag){
                $tag_list[] = $tag->alias;
            }
        }

return $tag_list;
    }
}