feed-creator.php

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<?PHP
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * This file is part of Travelsized CMS
 *              A content management system with modules, based on wiki syntax
 *
 * Author: Dan Jensen <admin@leinir.dk>
 * Copyright 2003/2004
 *
 * 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.
 *
 * The GNU General Public License is available at: http://www.gnu.org/copyleft/
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

class Feed
{
        var $type;                       
        var $items;                      
        
        var $title;                      
        var $link;                       
        var $description;                
        var $pubDate;                    
        var $generator;                  
        
        function Feed( $title, $link, $description, $pubDate, $generator = null, $type = null )
        {
                $this->title = $title;
                $this->link = $link;
                $this->description = $description;
                $this->pubDate = $pubDate;
                
                $this->generator = ( $generator == null ) ? "Travelsized Feeds" : $generator;
                $this->type = ( $type == null ) ? "RSS2" : $type;
                $this->items = array();
                $this->itemCount = 0;
        }
        
        function addItem( $feedItem )
        {
                $this->items[] = $feedItem;
        }
        
        function render( $type = null )
        {
                if( $type != null )
                        $this->type = $type;
                
                $rendererType = "FeedRenderer" . $this->type;
                $renderer = new $rendererType( $this );
                
                $renderedContent = $renderer->renderHead( $this );
                
                foreach( $this->items as $key => $item )
                        $renderedContent .= $renderer->renderItem( $item );
                
                $renderedContent .= $renderer->renderFoot( $this );
                
                return $renderedContent;
        }
}

class FeedItem
{
        var $title;                      
        var $link;                       
        var $description;                
        var $pubDate;                    
        var $guid;                       
        
        function FeedItem( $title, $link, $description, $pubDate, $guid )
        {
                $this->title = $title;
                $this->link = $link;
                $this->description = $description;
                $this->pubDate = $pubDate;
                $this->guid = $guid;
        }
}

class FeedRendererRSS2
{
        function FeedRendererRSS2() {}
        
        function renderHead( $feed )
        {
                $renderedContent = "<?xml version=\"1.0\"?>
<rss version=\"2.0\">
  <channel>
         <title>" . $feed->title . "</title>
         <link>" . $feed->link . "</link>
         <description>" . $feed->description . "</description>
         <pubDate>" . date( "r", $feed->pubDate ) . "</pubDate>
         <generator>" . $feed->generator . "</generator>";
                
                return $renderedContent;
        }
        
        function renderItem( $feedItem )
        {
                $renderedContent = "
    <item>
      <title>" . $feedItem->title . "</title>
      <link>" . $feedItem->link . "</link>
      <description>" . $feedItem->description . "</description>
      <pubDate>" . date( "r", $feed->pubDate )  . "</pubDate>
      <guid>" . $feedItem->guid . "</guid>
    </item>";
                return $renderedContent;
        }
        
        function renderFoot( $feed )
        {
                $renderedContent = "
  </channel>
</rss>";
                return $renderedContent;
        }
}

?>

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