openrat-cms

Atom.class.php (4839B)

---

 <?php
 namespace cms\macros\macro;
 // ---------------------------------------------------------------------------
 // $Id$
 // ---------------------------------------------------------------------------
 // OpenRat Content Management System
 // Copyright (C) 2002 Jan Dankert, jandankert@jandankert.de
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
 // as published by the Free Software Foundation; either version 2
 // of the License, or (at your option) any later version.
 //
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 //
 // You should have received a copy of the GNU General Public License
 // along with this program; if not, write to the Free Software
 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 // ---------------------------------------------------------------------------
 use cms\model\Folder;
 use cms\model\BaseObject;
 use cms\model\Page;
 use util\Macro;
 
 
 /**
  * Erstellen eines ATOM-Feeds
  * @author Jan Dankert
  */
 class Atom extends Macro
 {
 	/**
 	 * Bitte immer alle Parameter in dieses Array schreiben, dies ist fuer den Web-Developer hilfreich.
 	 * @type String
 	 */
 	var $parameters  = Array(
 		'folderid'        =>'Id of the folder whose pages should go into the Atom-Feed, default: the root folder',
 		'feed_url'        =>'Url of the feed, default: blank',
 		'feed_title'      =>'Title of the feed, default: Name of folder',
 		'feed_description'=>'Description of the feed, default: Description of folder'
 		);
 
 	var $folderid     = 0;
 
 	/**
 	 * Bitte immer eine Beschreibung benutzen, dies ist fuer den Web-Developer hilfreich.
 	 * @type String
 	 */
 	var $description      = 'Creates an Atom-Feed of pages in a folder';
 	var $api;
 
 	var $feed_url         = '';
 	var $feed_title       = '';
 	var $feed_description = '';
 
 	// Erstellen des Hauptmenues
 	function execute()
 	{
 		$feed = array();
 
 		// Lesen des Root-Ordners
 		if	( intval($this->folderid) == 0 )
 			$folder = new Folder( $this->getRootObjectId() );
 		else
 			$folder = new Folder( intval($this->folderid) );
 
 		$folder->load();
 
 		if	( $this->feed_title == '' )
 			$this->feed_title = $folder->getNameForLanguage( $this->pageContext->languageId )->name;
 
 		if	( $this->feed_description == '' )
 			$this->feed_description = $folder->getNameForLanguage( $this->pageContext->languageId )->description;
 
 		$feed['title'      ] = $this->feed_title;			
 		$feed['description'] = $this->feed_description;			
 		$feed['url'        ] = $this->feed_url;			
 		$feed['items'      ] = array();			
 		// Schleife ueber alle Inhalte des Root-Ordners
 		foreach( $folder->getObjectIds() as $id )
 		{
 			if	( $id == $this->getObjectId() )
 				continue;
 			$o = new BaseObject( $id );
 			$o->load();
 			if ( $o->isPage ) // Nur wenn Seite
 			{
 				$p = new Page( $id );
 				$p->load();
 
 				$item = array();
 				$item['title'      ] = $p->getNameForLanguage( $this->pageContext->languageId )->name;
 				$item['description'] = $p->getNameForLanguage( $this->pageContext->languageId )->description;
 				$item['date'       ] = $p->lastchangeDate;
 				if	( empty($this->feed_url) )
 					$item['link'       ] = $this->pathToObject($id);
 				else
 					$item['link'       ] = $this->feed_url;
 				
 				$feed['items'][] = $item;
 			}
 		}
 		
 		$feed = $this->atomFeed($feed);
 
 		$this->output( $feed );
 	}
 	
 	
 	function atomFeed($input, $stylesheet='')
 	{
 		$input["encoding"]  = (empty($input["encoding"] ))?"UTF-8":$input["encoding"];
 		$input["language"]  = (empty($input["language"] ))?"en-us":$input["language"];
 		
 		if	( empty($input['title'      ])) $input['title'      ] = ''; 
 		if	( empty($input['description'])) $input['description'] = ''; 
 		if	( empty($input['link'       ])) $input['link'       ] = ''; 
 		$feed = '<?xml version="1.0" encoding="'.$input["encoding"].'"?>';
 		$feed .= (!empty($stylesheet))?"\n".'<?xml-stylesheet type="text/xsl" href="'.$stylesheet.'"?>':"";
 		$feed .= <<<__RSS__
 		
 		<feed xmlns="http://www.w3.org/2005/Atom">
   		<title>{$input["title"]}</title>
 		
 __RSS__;
 		    foreach($input["items"] as $item)
 		    {
 				if	( empty($item['title'      ])) $item['title'      ] = ''; 
 				if	( empty($item['description'])) $item['description'] = ''; 
 		        $feed .= "\n<entry>\n<title>".$item["title"]."</title>";
 		        $feed .= "\n<summary><![CDATA[".$item["description"]."]]></summary>";
 	            $feed .= "\n<updated>".date('Y-m-d\TH:i:s\Z', $item["date"])."</updated>";
 	            $feed .= "\n<link href=\"".$item["link"]."\" />";
 		        $feed .= "\n</entry>\n";
 		    }
 			$feed .= "\n</feed>";
 		return $feed;
 	}
 }