private Club findClub(String acronym) {
Club club = clubRepository.findByAcronym(acronym);
if (club == null) {
throw new ElementNotFoundException(
"The club with the acronym " + acronym + " could not be found");
}
return club;
}
@Override
public void createClub(ClubData clubData) {
Club existingClub = clubRepository.findByAcronym(clubData.getAcronym());
if (existingClub != null) {
throw new ElementAlreadyExistsException("There is already a club with this acronym");
}
clubRepository.save(convertClub(clubData));
}