@Override
  public List<Club> findManagedClubs(String email, int comNo) {
    //
    List<Club> clubs = clubDao.readAllClubs(comNo);
    if (clubs == null) return null;

    List<Club> managers = new ArrayList<>();
    for (Club club : clubs) {
      if (memberDao.readClubManager(club.getClubNo(), email) != null) {

        managers.add(club);
      }
    }
    return managers;
  }
 @Override
 public List<Club> findAllClubs(int comNo) {
   //
   return clubDao.readAllClubs(comNo);
 }