public IHttpActionResult CheckCar(int id, bool flag)
 {
     try
     {
         if (flag == true)
         {
             auctionService.EditCarCheck(id, flag);
             auctionService.Save();
             return(Ok());
         }
         if (flag == false)
         {
             auctionService.DeleteCar(id);
             auctionService.Save();
             return(Ok());
         }
         return(Ok());
     }
     catch (Exception ex)
     {
         return(BadRequest(ex.ToString()));
     }
 }