public async Task CreateAsync(Guid userId)
{
var user = await _userRepository.GetOrFailAsync(userId);
var passenger = await _passengerRepository.GetAsync(userId);
if (passenger != null)
{
throw new ServiceException(Exceptions.ErrorCodes.PassengerAlreadyExists, $"Passenger with id: {userId} already exists.");
}
passenger = new Passenger(user);
await _passengerRepository.AddAsync(passenger);
}
