public IActionResult getAllContests()
 {
     try
     {
         List <ContestInfoDTO> response = contestService.getAll();
         if (response.Count == 0 || response == null)
         {
             throw new AppException("Brak konkursów w bazie");
         }
         return(Ok(response));
     }
     catch (Exception e)
     {
         return(BadRequest(new { message = e.Message }));
     }
 }