/**
     * @Route("/reports")
     * @Method("GET")
     */
    public function reportsAction(Request $request)
    {
        if (!$request->isXmlHttpRequest()) {
            return new Response(null, 400);
        }

        $context = $request->get('context');

        $declarationsRepository = $this->getDoctrine()->getRepository('AdpHcBundle:Declaration');

        // Get Declarations of the selected Period
        $declarationsOfThisYear = $declarationsRepository->findAllFilledByContext($context);

        // Sort these by Hotel
        $declarationsOfThisYearSortedByHotel = [];

        foreach ($declarationsOfThisYear as $declaration) {
            $declarationsOfThisYearSortedByHotel[$declaration->getHotel()->getId()][] = $declaration;
        }

        // Get Declarations of the previous year
        $declarationsOfPreviousYear = $declarationsRepository->findAllFilledFromPreviousYearByContext($context);

        // Sort these by Hotel
        $declarationsOfPreviousYearSortedByHotel = [];

        foreach ($declarationsOfPreviousYear as $declaration) {
            $declarationsOfPreviousYearSortedByHotel[$declaration->getHotel()->getId()][] = $declaration;
        }

        // Ready exploitable data
        $results = [];

        $calculator = $this->get('adp_hc.reporting.calculator');

        // Get Calculated of the selected Period
        foreach ($declarationsOfThisYearSortedByHotel as $hotel => $declarations) {
            $results['thisYear'][$hotel] = $calculator->calculate($declarations, $context->getPeriod());
        }

        // Get Calculated of the previous year
        foreach ($declarationsOfPreviousYearSortedByHotel as $hotel => $declarations) {
            $results['lastYear'][$hotel] = $calculator->calculate($declarations, $context->getPeriod());
        }

        // Get Calculated of the diff between selected Period and its previous year
        if (array_key_exists('thisYear', $results) && array_key_exists('lastYear', $results)) {
            foreach ($results['thisYear'] as $hotel => $calculated) {
                if (array_key_exists($hotel, $results['lastYear'])) {
                    $results['diff'][$hotel] = $calculated->diff($results['lastYear'][$hotel]);
                }
            }
        }

        return new JsonResponse($results);
    }