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<?php
/***************************************************************************
 Copyright (C) 2004 - 2006 Scuttle project
 http://sourceforge.net/projects/scuttle/
 http://scuttle.org/

 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
 ***************************************************************************/

require_once('header.inc.php');

/* Service creation: only useful services are created */
$bookmarkservice =& ServiceFactory::getServiceInstance('BookmarkService');
$cacheservice =& ServiceFactory::getServiceInstance('CacheService');
$templateservice =& ServiceFactory::getServiceInstance('TemplateService');
$userservice =& ServiceFactory::getServiceInstance('UserService');



$tplVars = array();
header('Content-Type: application/xml');
if(isset($_SERVER['PATH_INFO']) && strlen($_SERVER['PATH_INFO']) >1) {
	list($url, $user, $cat) = explode('/', $_SERVER['PATH_INFO']);
} else {
	$url = '';
	$user = '';
	$cat = NULL;
}

if ($usecache) {
	// Generate hash for caching on
	$hashtext = $_SERVER['REQUEST_URI'];
	if ($userservice->isLoggedOn()) {
		$hashtext .= $userservice->getCurrentUserID();
		$currentUser = $userservice->getCurrentUser();
		$currentUsername = $currentUser[$userservice->getFieldName('username')];
		if ($currentUsername == $user) {
			$hashtext .= $user;
		}
	}
	$hash = md5($hashtext);

	// Cache for an hour
	$cacheservice->Start($hash, 3600);
}

$watchlist = null;
$pagetitle = '';
if ($user && $user != 'all') {
	if ($user == 'watchlist') {
		$user = $cat;
		$cat = null;
		$watchlist = true;
	}
	if (is_int($user)) {
		$userid = intval($user);
	} else {
		if ($userinfo = $userservice->getUserByUsername($user)) {
			$userid =& $userinfo[$userservice->getFieldName('primary')];
		} else {
			$tplVars['error'] = sprintf(T_('User with username %s was not found'), $user);
			$templateservice->loadTemplate('error.404.tpl', $tplVars);
			//throw a 404 error
			exit();
		}
	}
	$pagetitle .= ": ". $user;
} else {
	$userid = NULL;
}

if ($cat) {
	$pagetitle .= ": ". str_replace('+', ' + ', $cat);
}

$tplVars['feedtitle'] = filter($GLOBALS['sitename'] . (isset($pagetitle) ? $pagetitle : ''));
$tplVars['feedlink'] = ROOT;
$tplVars['feeddescription'] = sprintf(T_('Recent bookmarks posted to %s'), $GLOBALS['sitename']);

$bookmarks =& $bookmarkservice->getBookmarks(0, 15, $userid, $cat, NULL, getSortOrder(), $watchlist);

$bookmarks_tmp =& filter($bookmarks['bookmarks']);

$bookmarks_tpl = array();
foreach(array_keys($bookmarks_tmp) as $key) {
	$row =& $bookmarks_tmp[$key];

	$_link = $row['bAddress'];
	// Redirection option
	if ($GLOBALS['useredir']) {
		$_link = $GLOBALS['url_redir'] . $_link;
	}
	$_pubdate = gmdate("r", strtotime($row['bDatetime']));
	// array_walk($row['tags'], 'filter');

	$bookmarks_tpl[] = array(
        'title' => $row['bTitle'],
        'link'  => $_link,
        'description' => $row['bDescription'],
        'creator' => $row['username'],
        'pubdate' => $_pubdate,
        'tags' => $row['tags']
	);
}
unset($bookmarks_tmp);
unset($bookmarks);
$tplVars['bookmarks'] =& $bookmarks_tpl;

$templateservice->loadTemplate('rss.tpl', $tplVars);

if ($usecache) {
	// Cache output if existing copy has expired
	$cacheservice->End($hash);
}
?>