public Task <Response> Handle(Request request, CancellationToken cancellationToken)
=> Task.FromResult(new Response()
{
Attendees = _repository.Query <Attendee>().Select(x => AttendeeDto.FromAttendee(x)).ToList()
});
public Task <Response> Handle(Request request, CancellationToken cancellationToken)
=> Task.FromResult(new Response()
{
Attendee = AttendeeDto.FromAttendee(_repository.Query <Attendee>().Single(x => x.AttendeeId == request.AttendeeId))
});