root/taggingreloaded/optionals/de.easy-coding.wcf.sitemaps.taggingreloaded/files/lib/system/event/listener/TaggingReloadedSitemapsPageListener.class.php @ 804

<?php
// wcf imports
require_once(WCF_DIR.'lib/system/event/EventListener.class.php');

require_once(WBB_DIR.'lib/page/PublicSEORewriterTagging.class.php');

/**
 * extends the sitemap
 *
 * @author      Torben Brodt
 * @package     de.easy-coding.wcf.sitemaps.taggingreloaded
 * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-3.0.html>
 */
class TaggingReloadedSitemapsPageListener implements EventListener {
        protected $taggingReloaded = false; //param
        
        protected $tags = array(); //data

        protected $eventObj;
        protected $className;
        protected $rewriter;

        /**
         * @see EventListener::execute()
         */
        public function execute($eventObj, $className, $eventName) {
                $this->eventObj = $eventObj;
                $this->className = $className;
                $this->rewriter = new PublicSEORewriterTagging();

                switch ($eventName) {
                        case 'readParameters':
                                $this->readParameters();
                                break;
                        case 'readData':
                                $this->readData();
                                break;
                        case 'assignVariables':
                                $this->assignVariables();
                                break;
                }
        }
        
        /**
         * 
         */
        protected function readTags () {
                $sql = "SELECT          tag, 
                                        SUM(weight) AS n
                        FROM            wcf".WCF_N."_taggingreloaded
                        GROUP BY        tag
                        ORDER BY        n DESC;";
                $result = WCF::getDB()->sendQuery($sql);
                while ($row = WCF::getDB()->fetchArray($result)) {
                        $this->tags[] = $row['tag'];
                }
        }
        
        /**
         * @see Page::readParameters()
         */
        protected function readParameters () {
                if(isset($_GET['extension']) && $_GET['extension'] == 'TaggingReloaded') $this->taggingReloaded = true;
        }
        
        /**
         * @see Page::readData()
         */
        protected function readData () {
                if($this->eventObj->index) {
                        //index
                        $this->eventObj->setType('sitemapindex');
                }
                
                else if($this->taggingReloaded) {
                        $this->eventObj->setType('urlset');
                }
        }
        
        /**
         * @see Page::assignVariables()
         */
        protected function assignVariables () {
                if($this->eventObj->index) {
                        //index
                        print '<sitemap><loc>'.PAGE_URL.'/index.php?page=Sitemaps&amp;extension=TaggingReloaded</loc></sitemap>';
                }
                
                else if($this->taggingReloaded) {
                        $this->readTags();
                        
                        $tpl = '<url><loc>'.PAGE_URL.'/%s</loc></url>'; 
                        foreach($this->tags as $tag) {
                                printf($tpl, $this->rewriter->publicParseTagURLs($tag));
                        }
                }
        }
}
?>