public MeetupAppService(MeetupRepository repo, AttendantsRepository attendantsRepo, IBus bus, LocationValidator validateLocation)
{
_repo = repo;
_attendantsRepo = attendantsRepo;
_validateLocation = validateLocation;
_bus = bus;
}
public MeetupApplicationService(MeetupRepository repo) => _repo = repo;
static async Task Execute(this Transaction transaction, MeetupRepository repository)
{
await repository.Save(transaction.aggregate);
}