/**
  * Activate the requested submission.
  *
  * @return Response
  */
 public function activateSubmission($submission_id)
 {
     try {
         if (Submission::reactivate($submission_id)) {
             Session::flash('alert_success', 'Submission successfully activated.');
             return $this->handleResponse(['message' => 'Submission successfully activated.']);
         } else {
             return $this->handleRideShareLogError($e, 'Failed to activate Submission.');
         }
     } catch (\Exception $e) {
         return $this->handleRideShareLogError($e, 'Failed to activate Submission.');
     }
 }