<?php
 
/*
	Copyright (C) 2009 DantoBB Team
	http://www.dantobb.com
*/

/**
 * RSS feed
 *
 * Parses an RSS 2.0 feed for the entire forum.
 *
 * @author	DantoBB Team
 * @link	http://www.dantobb.com
 * @license	GPL-2
 * @version	$Revision: 1.0 $
 * @copyright	Copyright (C) 2009 DantoBB Team
 * @package	DantoBB
 */
 
define('INCLUDED', true);
define('ROOT_PATH', './');
 
//
// Don't use gzip for the feed
//
define('NO_GZIP', true);

//
// Include dantobb engine
//
require(ROOT_PATH.'sources/common.php');

//
// Set the xml content type and only parse the xml templates
//
$template->content_type = 'application/rss+xml';
$template->parse_special_templates_only = true;

//
// Update and get the session information
//
$session->update('rss');

//
// Include the page header
//
require(ROOT_PATH.'sources/page_head.php');

//
// RSS feed pubDate in GMT
//
$header_vars = array(
	
	'board_name' => unhtml($functions->get_config('board_name'), true),
	'board_descr' => unhtml($functions->get_config('board_descr'), true),
	'pubDate' => $functions->make_date(time(), 'D, d M Y H:i:s', true, false).' GMT',
	'link_rss' => $functions->get_config('board_url').$functions->make_url('rss.php', null, true, false),
	
);

$template->parse('header', 'rss', $header_vars, true);

if ( $functions->get_config('enable_rss') && $functions->get_stats('topics') ) {
	
	//
	// RSS is enabled and the forum contains topics, so proceed...
	//
	
	//
	// Excluded forums
	//
	$exclude_forums = $functions->get_config('exclude_forums_rss');
	$exclude_forums_query_part = ( is_array($exclude_forums) && count($exclude_forums) ) ? " AND id NOT IN (".join(', ', $exclude_forums).")" : '';
	
	//
	// Get a list of forums
	//
	$result = $db->query("SELECT id, name, auth FROM ".TABLE_PREFIX."forums WHERE topics > 0".$exclude_forums_query_part);
	
	$forum_ids = $forum_names = array();
	while ( $forumdata = $db->fetch_result($result) ) {
		
		//
		// Place permitted forums into the arrays
		//
		if ( $functions->auth($forumdata['auth'], 'read', $forumdata['id']) ) {
			
			$forum_ids[] = $forumdata['id'];
			$forum_names[$forumdata['id']] = $forumdata['name'];
			
		}
		
	}
	
	if ( count($forum_ids) ) {
		
		//
		// There are viewable forums
		//
		
		$result = $db->query("SELECT p.id AS post_id, p.topic_id, t.forum_id, t.topic_title, t.count_replies, p.content, p.enable_bbcode, p.enable_smilies, p.enable_html, p.poster_id, m.displayed_name AS last_poster_name, p.poster_guest AS last_poster_guest, p.post_time FROM ".TABLE_PREFIX."posts p LEFT JOIN ".TABLE_PREFIX."members m ON p.poster_id = m.id, ".TABLE_PREFIX."topics t WHERE t.forum_id IN(".join(', ', $forum_ids).") AND t.id = p.topic_id ORDER BY p.post_time DESC LIMIT ".$functions->get_config('rss_items_count'));
		
		$reply_counts = array();
		while ( $topicdata = $db->fetch_result($result) ) {
			
			if ( !array_key_exists($topicdata['topic_id'], $reply_counts) )
				$reply_counts[$topicdata['topic_id']] = $topicdata['count_replies'];
			else
				$reply_counts[$topicdata['topic_id']]--;
			
			$title = unhtml($functions->replace_badwords(stripslashes($topicdata['topic_title'])), true);
			if ( $reply_counts[$topicdata['topic_id']] )
				$title = $lang['Re'].' '.$title;
			
			$link = $functions->get_config('board_url').$functions->make_url('topic.php', array('post' => $topicdata['post_id']), true, false).'#post'.$topicdata['post_id'];
			
			//
			// Parse the topic template
			//
			$template->parse('topic', 'rss', array(
				'title' => $title,
				'description' => unhtml($functions->markup($functions->replace_badwords(stripslashes($topicdata['content'])), $topicdata['enable_bbcode'], $topicdata['enable_smilies'], $topicdata['enable_html'], true)),
				// <author> was renamed to <dc:creator> in the default template to keep validity.
				'author' => unhtml(stripslashes( ( !empty($topicdata['poster_id']) ) ? $topicdata['last_poster_name'] : $topicdata['last_poster_guest']), true),
				'link' => $link,
				// <comments> was removed from the default template because it was used incorrectly (not for posting comments).
				'comments' => $functions->get_config('board_url').$functions->make_url('post.php', array('topic' => $topicdata['topic_id'], 'quotepost' => $topicdata['post_id']), true, false),
				'category' => unhtml(stripslashes($forum_names[$topicdata['forum_id']]), true),
				'category_domain' => $functions->get_config('board_url').$functions->make_url('forum.php', array('id' => $topicdata['forum_id']), true, false),
				'pubDate' => $functions->make_date($topicdata['post_time'], 'D, d M Y H:i:s', true, false).' GMT',
				'guid' => $link
			), true);
			
		}
		
	}
	
}
	
$template->parse('footer', 'rss', $header_vars, true);

//
// Include the page footer
//
require(ROOT_PATH.'sources/page_foot.php');
	
?>