/**
* count events and group them by an according timespan
*/
public function countEventsAction()
{
$start = $this->getStartDate();
$end = $this->getEndDate();
$this->view->assign('start', $start);
$this->view->assign('end', $end);
$this->view->assign('data', $this->eventIndexRepository->countAllWithSettings(array_merge($this->actionSettings, array('startDate' => $start->getTimestamp(), 'endDate' => $end->getTimestamp()))));
}
