<?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 'www-header.php';

/* Service creation: only useful services are created */
$b2tservice =SemanticScuttle_Service_Factory::get('Bookmark2Tag');
$cacheservice =SemanticScuttle_Service_Factory::get('Cache');

@list($url, $user) = isset($_SERVER['PATH_INFO']) ? explode('/', $_SERVER['PATH_INFO']) : NULL;

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

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

// Header variables
$pagetitle = T_('Popular Tags');

if (isset($user) && $user != '') {

	$userid = $userservice->getIdFromUser($user);
	if($userid == NULL) {
		$tplVars['error'] = sprintf(T_('User with username %s was not found'), $user);
		$templateservice->loadTemplate('error.404.tpl', $tplVars);
		//throw a 404 error
		exit();
	}

	$pagetitle .= ': '. ucfirst($user);
} else {
	$userid = NULL;
}

$tags = $b2tservice->getPopularTags($userid, 150);
$tplVars['tags'] = $b2tservice->tagCloud($tags, 5, 90, 225, getSortOrder('alphabet_asc'));
$tplVars['user'] = $user;

if (isset($userid)) {
	$tplVars['cat_url'] = createURL('bookmarks', '%s/%s');
} else {
	$tplVars['cat_url'] = createURL('tags', '%2$s');
}

$tplVars['sidebar_blocks'] = array('linked');
$tplVars['pagetitle'] = $pagetitle;
$tplVars['subtitle'] = $pagetitle;
$tplVars['loadjs'] = true;

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

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