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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Superclass for sitemap-generating actions
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Sitemap
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
/**
* superclass for sitemap actions
*
* @category Sitemap
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class SitemapAction extends Action
{
/**
* handle the action
*
* @param array $args unused.
*
* @return void
*/
function handle($args)
{
parent::handle($args);
header('Content-Type: text/xml; charset=UTF-8');
$this->startXML();
$this->elementStart('urlset', array('xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9'));
while (list($url, $lm, $cf, $p) = $this->nextUrl()) {
$this->showUrl($url, $lm, $cf, $p);
}
$this->elementEnd('urlset');
$this->endXML();
}
function lastModified()
{
$y = $this->trimmed('year');
$m = $this->trimmed('month');
$d = $this->trimmed('day');
$y += 0;
$m += 0;
$d += 0;
$begdate = strtotime("$y-$m-$d 00:00:00");
$enddate = $begdate + (24 * 60 * 60);
if ($enddate < time()) {
return $enddate;
} else {
return null;
}
}
function showUrl($url, $lastMod=null, $changeFreq=null, $priority=null)
{
$this->elementStart('url');
$this->element('loc', null, $url);
if (!is_null($lastMod)) {
$this->element('lastmod', null, $lastMod);
}
if (!is_null($changeFreq)) {
$this->element('changefreq', null, $changeFreq);
}
if (!is_null($priority)) {
$this->element('priority', null, $priority);
}
$this->elementEnd('url');
}
function nextUrl()
{
return null;
}
function isReadOnly()
{
return true;
}
}
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