public function ical($params)
{
$this->setView('ical.php');
$official = isset($params['official']);
$group_name = isset($params['group']) ? $params['group'] : null;
$event_model = new Event_Model();
$events = $event_model->getUpcoming($group_name, $official, false);
// Creation of the iCal content
$cache_entry = 'ical-' . (isset($group_name) ? $group_name : '') . '-' . ($official ? 'official' : 'non-official');
$content = Cache::read($cache_entry);
if (!$content) {
require_once APP_DIR . 'classes/class.iCalcreator.php';
$cal = new vcalendar();
$cal->setConfig('unique_id', $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']);
$cal->setProperty('method', 'PUBLISH');
$cal->setProperty('x-wr-calname', $official ? __('EVENTS_TITLE_OFFICIAL') : __('EVENTS_TITLE_NONOFFICIAL'));
$cal->setProperty('X-WR-CALDESC', '');
$cal->setProperty('X-WR-TIMEZONE', date('e'));
foreach ($events as $event) {
$vevent = new vevent();
$vevent->setProperty('dtstart', array('year' => (int) date('Y', $event['date_start']), 'month' => (int) date('n', $event['date_start']), 'day' => (int) date('j', $event['date_start']), 'hour' => (int) date('G', $event['date_start']), 'min' => (int) date('i', $event['date_start']), 'sec' => (int) date('s', $event['date_start'])));
$vevent->setProperty('dtend', array('year' => (int) date('Y', $event['date_end']), 'month' => (int) date('n', $event['date_end']), 'day' => (int) date('j', $event['date_end']), 'hour' => (int) date('G', $event['date_end']), 'min' => (int) date('i', $event['date_end']), 'sec' => (int) date('s', $event['date_end'])));
$vevent->setProperty('summary', $event['title']);
$vevent->setProperty('description', $event['message']);
$cal->setComponent($vevent);
}
$content = $cal->createCalendar();
Cache::write($cache_entry, $content, 2 * 3600);
}
$this->set('content', $content);
}
