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Path: /data/applications/aps.bak/tikiwiki/1.9.7-31/htdocs/ [ Home ]
File: tiki-wiki_rss.php
<?php
// $Header: /cvsroot/tikiwiki/tiki/tiki-wiki_rss.php,v 1.29.2.13 2006/10/19 00:36:22 mose Exp $

// Copyright (c) 2002-2005, Luis Argerich, Garland Foster, Eduardo Polidor, et. al.
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.

require_once ('tiki-setup.php');
require_once ('lib/tikilib.php');
require_once ('lib/wiki/histlib.php');
require_once ('lib/rss/rsslib.php'); 

if ($rss_wiki != 'y') {
	$errmsg=tra("rss feed disabled");
	require_once ('tiki-rss_error.php');
}

if ($tiki_p_view != 'y') {
	$errmsg=tra("Permission denied you cannot view this section");
	require_once ('tiki-rss_error.php');
}

$feed = "wiki";
$uniqueid = $feed;
$output = $rsslib->get_from_cache($uniqueid);

if ($output["data"]=="EMPTY") {
	$title = (!empty($title_rss_wiki)) ? $title_rss_wiki : tra("Tiki RSS feed for the wiki pages");
	$desc = (!empty($desc_rss_wiki)) ? $desc_rss_wiki : tra("Last modifications to the Wiki.");
	$now = date("U");
	$id = "pageName";
	$titleId = "pageName";
	$descId = "data";
	$dateId = "lastModif";
	$authorId = "user";
	if (isset($_REQUEST["diff"])) {	
		$readrepl = "tiki-pagehistory.php?page=%s&compare=1&oldver=%s&newver=0&diff_style=minsidediff";
		$param = "previous";
	} else {
		$readrepl = "tiki-index.php?page=%s";
		$param = '';
	}
	
	$tmp = $tikilib->get_preference('title_rss_'.$feed, '');
	if ($tmp<>'') $title = $tmp;
	$tmp = $tikilib->get_preference('desc_rss_'.$feed, '');
	if ($desc<>'') $desc = $tmp;
	
	$changes = $tikilib -> list_pages(0, $max_rss_wiki, 'lastModif_desc');
	$tmp = array();
	foreach ($changes["data"] as $data) {
		// get last 2 versions of the page and parse them
		$curr_page = $tikilib->get_page_info($data["pageName"]);
		if (isset($_REQUEST["diff"])) {
			$pageversion = (int)$histlib->get_page_latest_version($data["pageName"]);
			if ($pageversion==FALSE) {
				$prev_page = $curr_page;
				$prev_page["data"]="";
			} else {
				$prev_page = $histlib->get_page_from_history($data["pageName"], $pageversion, true);
			}
			$curr_page_p = $tikilib->parse_data($curr_page["$descId"]);
			$prev_page_p = $tikilib->parse_data($prev_page["$descId"]);
		
			// do a diff between both pages
			require_once('lib/diff/difflib.php');
			$diff = diff2($prev_page_p , $curr_page_p, "unidiff");
		
			$result = "<style TYPE=\"text/css\"> .diffchar { color:red; } </style>";
			
			foreach ($diff as $part) {
				if ($part["type"]=="diffdeleted") {
					foreach ($part["data"] as $chunk) {
						$result.="- ".$chunk;
					}
				}
				if ($part["type"]=="diffadded") {
					foreach ($part["data"] as $chunk) {
						$result.="+ ".$chunk;
					}
				}
			}
			
			$data["$descId"] = $result;
		
			// hand over the version of the second page
			$data["$param"] = $prev_page["version"];
		}
		$tmp[] = $data;
	}
	$changes["data"] = $tmp;
	
	$tmp = null;

	$output = $rsslib->generate_feed($feed, $uniqueid, '', $changes, $readrepl, $param, $id, $title, $titleId, $desc, $descId, $dateId, $authorId);
}
header("Content-type: ".$output["content-type"]);
print $output["data"];

?>