protected function execute(InputInterface $input, OutputInterface $output)
 {
     $em = $this->getContainer()->get('doctrine.orm.default_entity_manager');
     $field_delimiter = "/\t/";
     $row_delimiter = "/\n/";
     $content = file_get_contents($input->getArgument('file'));
     $rows = preg_split($row_delimiter, $content);
     $field = $em->find('ClubBookingBundle:Field', 8);
     $user = $em->find('ClubUserBundle:User', 1);
     foreach ($rows as $line) {
         if (strlen($line) > 0) {
             list($name, $start, $stop, $interval_start, $interval_stop, $day) = preg_split($field_delimiter, $line);
             $day++;
             $start_time = new \DateTime($start . ' 00:00:00');
             $stop_time = new \DateTime($stop . ' 23:59:59');
             $t1 = new \DateTime(date('Y-m-d') . ' ' . $interval_start);
             $t2 = new \DateTime(date('Y-m-d') . ' ' . $interval_stop);
             $category = new \Club\BookingBundle\Entity\PlanCategory();
             $category->setName($name);
             $category->setDescription($name);
             $em->persist($category);
             $plan = new \Club\BookingBundle\Entity\Plan();
             $plan->setPlanCategory($category);
             $plan->setPeriodStart($start_time);
             $plan->setPeriodEnd($stop_time);
             $plan->setDay($day);
             $plan->setFirstDate($t1);
             $plan->setEndDate($t2);
             $plan->setUser($user);
             $plan->addField($field);
             $em->persist($plan);
         }
     }
     $em->flush();
 }