public function getDiscount(MedOrder $order)
 {
     $services = $order->getServices();
     $servicesIds = [];
     foreach ($services as $service) {
         $servicesIds[] = (int) $service->getId();
     }
     $sex = $order->getSex();
     $sql = 'SELECT max(d.percent)
         FROM discount d
         LEFT JOIN discount_services ds
           ON d.id = ds.discount_id
         LEFT JOIN med_service ms
           ON ds.service_id = ms.id';
     if (count($servicesIds) > 0) {
         $sql .= ' WHERE ms.id in ( ' . implode(', ', $servicesIds) . ' )';
     }
     if (!is_null($sex)) {
         $sql .= ' AND d.sex IS NOT NULL
             AND d.sex = ' . $sex;
     } else {
         $sql .= ' AND d.sex IS NULL';
     }
     $stmt = $this->getEntityManager()->getConnection()->prepare($sql);
     $stmt->execute();
     return $stmt->fetchAll();
 }
 /**
  * @Route("/", name="homepage")
  * @param Request $request
  * @return Response
  */
 public function indexAction(Request $request)
 {
     $order = new MedOrder();
     $order->addService((new MedService())->setName('service 1'));
     $order->addService((new MedService())->setName('service 2'));
     $form = $this->createForm(MedOrderType::class, $order);
     return $this->render('service_calc/form.html.twig', ['form' => $form->createView()]);
 }