public bool RegisterPersonToParty(int personId, int partyId)
{
Person person = personRepository.GetById(personId);
Party party = partyRepository.GetById(partyId);
// invalid person or party id
if (person == null || party == null)
{
return(false);
}
if (registrationRepository.GetByPerson(person) != null)
{
// person has registration
return(false);
}
// person has no registration yet
var registration = new Registration(person, party);
registrationRepository.Save(registration);
return(true);
}
