if(item.getStartrent ().getTime ()==postStartRentDate.getTime ()||(postStartRentDate.getTime ()>=item.getStartrent ().getTime ()&&postStartRentDate.getTime ()<=item.getEndrend ().getTime ())){

                isFree=false;
                break;
            }else{
                String username;
                try {
                    org.springframework.security.core.userdetails.User currentUser =
                            ( org.springframework.security.core.userdetails.User ) SecurityContextHolder.getContext ( ).getAuthentication ( ).getPrincipal ( );
                    username = currentUser.getUsername ( );
                } catch ( ClassCastException e ) {
                    username = "anonymousUser";
                    return "{}";
                }
                isFree=true;
                User user= userRepository.findByEmail ( username );
                SportObject sportObject=sportObjectReposiotry.getOne ( timeTable.getSportobjectid () );
                System.out.println (sportObject.getAdress () );
                timeTable.setRenterid ( user.getId () );
                timeTable.setStartrent ( postStartRent.toDate () );
                timeTable.setEndrend ( postEndRent.toDate () );
                timeTable.setPrice ( (long)100 );
                timeTableReposiotry.save ( timeTable );
                sportObject.getTimeTable ().add ( timeTable );
               sportObjectReposiotry.save ( sportObject );
               break;
            }