Subversion Repositories Applications.wikini

<?php

/*

recentchangesrss.php

Copyright 2003  David DELON

Copyright 2005-2007  Didier LOISEAU

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

*/

if (!defined("WIKINI_VERSION"))

{

    die ("accès direct interdit");

}

if ($this->GetMethod() != 'xml') {

	echo 'Pour obtenir le fil RSS des derniers changements, utilisez l\'adresse suivante: ';

	echo $this->Link($this->Href('xml'));

	return;

}

if (!function_exists("rssdiff")) {

    function rssdiff($tag,$idfirst,$idlast) {

        require_once 'includes/diff/side.class.php';

        require_once 'includes/diff/diff.class.php';

        require_once 'includes/diff/diffformatter.class.php';

        $output='';

        global $wiki;

        // TODO : cache ?

        if ($idfirst==$idlast) {

            $previousdiff=$wiki->LoadSingle("select id from ".$wiki->config["table_prefix"]."pages where tag = '".mysql_escape_string($tag)."' and id < $idfirst order by time desc limit 1");

            if ($previousdiff) {

                $idlast=$previousdiff['id'];

            }

            else {

                return;

            }

        }

        $pageA = $wiki->LoadPageById($idfirst);

        $pageB = $wiki->LoadPageById($idlast);

        $bodyA = explode("\n", $pageA["body"]);

        $bodyB = explode("\n", $pageB["body"]);

        $added = array_diff($bodyA, $bodyB);

        $deleted = array_diff($bodyB, $bodyA);

        if (!isset($output)) $output = '';

        $output .= "<br />\n";

        $output .= "<br />\n";

        $output .= "<b>Comparaison de <a href=\"".$wiki->href("", "", "time=".urlencode($pageA["time"]))."\">".$pageA["time"]."</a> &agrave; <a href=\"".$wiki->href("", "", "time=".urlencode($pageB["time"]))."\">".$pageB["time"]."</a></b><br />\n";

        $wiki->RegisterInclusion($tag);

        if ($added)

        {

            // remove blank lines

            $output .= "<br />\n<b>Ajouts:</b><br />\n";

            $output .= "<div class=\"additions\">".(implode("\n", $added))."</div>";

        }

        if ($deleted)

        {

            $output .= "<br />\n<b>Suppressions:</b><br />\n";

            $output .= "<div class=\"deletions\">".(implode("\n", $deleted))."</div>";

        }

        $wiki->UnregisterLastInclusion();

        if (!$added && !$deleted)

        {

            $output .= "<br />\nPas de diff&eacute;rences.";

        }

        return $output;

    }

}

if (isset($_GET['max']) && is_numeric($_GET['max'])) {

	$max = ($_GET['max'] < 1000) ? $_GET['max'] : 1000;

} else if ($user = $this->GetUser()) {

	$max = $user["changescount"];

} else {

	$max = 50;

}

$pages = $this->LoadAll("SELECT id, tag, time, user, owner FROM ".$this->config["table_prefix"]."pages WHERE comment_on = '' ORDER BY time DESC LIMIT $max");

$last_users = $this->LoadAll('SELECT name, signuptime, motto FROM '.$this->GetConfigValue('table_prefix').'users ORDER BY signuptime DESC LIMIT '.$max);

if ($pages || $last_users) {

	if (!($link = $this->GetParameter("link"))) $link=$this->GetConfigValue("root_page");

	$output = '<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom">' . "\n";

	$output .= "<channel>\n";

	$output .= "<atom:link href=\"".$this->Href("xml")."\" rel=\"self\" type=\"application/rss+xml\" />\n";

	$output .= "<title> ". htmlspecialchars($this->GetConfigValue("wakka_name"), ENT_COMPAT, TEMPLATES_DEFAULT_CHARSET) . "</title>\n";

	$output .= "<link>" . $this->Href(false, $link) . "</link>\n";

	$output .= "<description>$max derniers changements sur " . htmlspecialchars($this->GetConfigValue("wakka_name"), ENT_COMPAT, TEMPLATES_DEFAULT_CHARSET) . "</description>\n";

	$output .= "<language>fr</language>\n";

	$output .= '<generator>WikiNi ' . WIKINI_VERSION . "</generator>\n";

	$items = array();

	if ($pages) {

		foreach ($pages as $page) {

			$page['diff'] = rssdiff($page["tag"], $page["id"], $page["id"]);

			$items[strtotime($page['time'])] = array('type' => 'page', 'content' => $page);

		}

	}

	if ($last_users) {

		foreach ($last_users as $user) {

			$items[strtotime($user['signuptime'])] = array('type' => 'user', 'content' => $user);

		}

	}

	krsort($items);

	foreach ($items as $item) {

		$type = $item['type'];

		if ($type == 'page') {

			$page = $item['content'];

			$output .= "<item>\n";

			$output .= "<title>" . htmlspecialchars($page["tag"], ENT_COMPAT, TEMPLATES_DEFAULT_CHARSET) . "</title>\n";

			$output .= '<dc:creator>' . htmlspecialchars($page["user"], ENT_COMPAT, TEMPLATES_DEFAULT_CHARSET) . "</dc:creator>\n";

			$output .= '<pubDate>' . gmdate('D, d M Y H:i:s \G\M\T', strtotime($page['time'])) . "</pubDate>\n";

			$output .= "<description>" . htmlspecialchars(

				'Modification de ' . $this->ComposeLinkToPage($page["tag"]).

				' (' . $this->ComposeLinkToPage($page["tag"], 'revisions', 'historique') . ')'.

				' --- par ' . $page["user"].

				$page['diff']).

				"</description>\n";

			$output .= "<dc:format>text/html</dc:format>";

			$itemurl = $this->href(false, $page["tag"], "time=" . htmlspecialchars(rawurlencode($page["time"]), ENT_COMPAT, TEMPLATES_DEFAULT_CHARSET));

			$output .= '<guid>' . $itemurl . "</guid>\n";

			$output .= "</item>\n";

		} else if ($type == 'user') {

			$user = $item['content'];

			$itemurl = $this->Href('', $user['name']);

			$output .= '<item>'."\n";

			$output .= '<title>'.'Utilisateur '.htmlspecialchars($user['name']).' - inscription le '.$user['signuptime'].'</title>'."\n";

			$output .= '<link>'.$itemurl.'</link>'."\n";

			$output .= '<pubDate>' . gmdate('D, d M Y H:i:s \G\M\T', strtotime($user['signuptime'])) . "</pubDate>\n";

			$output .= '<description>'.'L\'utilisateur '.htmlspecialchars($user['name']).' s\'est inscrit le '.$user['signuptime'];

			if (!empty($user['motto'])) {

				$output .= ' avec pour devise  "'.htmlspecialchars($user['motto']).'"';

			}

			$output .= '</description>'."\n";

			$output .= '<guid>'.$itemurl.'</guid>'."\n";

			$output .= '</item>'."\n";

		}

	}

	$output .= "</channel>\n";

	$output .= "</rss>\n";

	echo $output;

}

?>