function execute($options = null)
{
$rss = new AMP_RSSWriter(AMP_SITE_URL, AMP_SITE_NAME, AMP_SITE_META_DESCRIPTION);
$rss->useModule('ev', 'http://purl.org/rss/1.0/modules/event/');
$rss->useModule('vCard', 'http://www.w3.org/2001/vcard-rdf/3.0#');
$rss->useModule('geo', 'http://www.w3.org/2003/01/geo/wgs84_pos#');
$rss->useModule('content', 'http://purl.org/rss/1.0/modules/content/');
if (isset($options['calid']) && ($id = $options['calid'])) {
$timestamp = $this->add_event_rss($rss, $id);
} else {
$this->calendar->doAction('Search');
$timestamp = $this->add_eventlist_rss($rss, $this->calendar->events);
}
$rss->lastModified($timestamp);
while (@ob_end_clean()) {
}
$rss->execute();
exit;
}
function &getDisplay()
{
$feed_name = ($name = $this->getTitle()) ? $name : AMP_SITE_NAME;
$this->feed_metaData['lastBuildDate'] = date('D, d M Y H:i:s');
$this->feed_metaData['generator'] = 'Activist Mobilization Platform ' . AMP_SYSTEM_VERSION_ID;
if (!$this->sourceSet->isReady()) {
return false;
}
$display = new AMP_RSSWriter(AMP_SITE_URL, $feed_name, AMP_SITE_META_DESCRIPTION, $this->feed_metaData);
$articleSet = $this->sourceSet->instantiateItems($this->sourceSet->getArray(), $this->sourceItem_class);
foreach ($articleSet as $article) {
$articleMeta = array();
$url = $article->getURL();
if (strpos($url, "http://") === FALSE) {
$url = AMP_SITE_URL . $url;
}
$articleMeta['description'] = $this->_makeDescription($article);
if ($itemdate = $article->getItemDate()) {
$articleMeta['pubDate'] = date('r', strtotime($itemdate));
} else {
$articleMeta['pubDate'] = date('r');
}
$display->addItem($url, $article->getTitle(), $articleMeta);
}
return $display;
}
