/**
* @Route("/log", name="listLog")
* @Security("is_granted('IS_AUTHENTICATED_REMEMBERED')")
*/
public function listAction(Request $request)
{
$filter = array();
$options = array('orderBy' => 'localtime', 'orderDir' => 'desc');
if ($request->query->has('options')) {
$options = (array) $request->query->get('options') + $options;
}
/** @var FormInterface $form */
$form = $this->get('form.factory')->createNamed('filter', FilterStressLogsForm::class, null, array('csrf_protection' => false));
$form->handleRequest($request);
if ($form->isValid()) {
$filter = $form->getData();
}
/** @var StressLogRepository $repo */
$repo = $this->getDoctrine()->getRepository('AppBundle:StressLog');
$logs = $repo->findFiltered($this->getUser(), $filter, $options);
$count = $repo->countFiltered($this->getUser(), $filter);
$logData = $repo->findFilteredData($this->getUser(), $filter);
$levels = array_column($logData, 'level');
return $this->render('stresslog/list.html.twig', array('logs' => $logs, 'form' => $form->createView(), 'expandForm' => $form->isSubmitted(), 'count' => $count, 'filter' => $filter, 'options' => $options, 'stats' => array('mean' => Stats::mean($levels), 'median' => Stats::median($levels), 'range' => Stats::range($levels), 'variance' => Stats::variance($levels), 'stdev' => Stats::standardDeviation($levels))));
}
public function testSampleStandardDeviationWithLessThanTwoElementsIsNull()
{
$this->assertNull(Stats::standardDeviation(array(), true));
$this->assertNull(Stats::standardDeviation(array(1), true));
}