public async Task <Response <Guid> > Handle(CreateQuestion request, CancellationToken cancellationToken)
{
var question = Question.Create(request.QuestionText, request.Answers);
await _domainEvents
.CollectFrom(question)
.PublishCollected(cancellationToken);
return(question.Id);
}
public async Task Handle(VotePosted notification, CancellationToken cancellationToken)
{
var answer = await _answersRepository.Get(notification.AnswerId) !;
if (answer is null)
{
throw new NullReferenceException(
$"answer with id {notification.AnswerId} was not found");
}
answer.IncrementVotes();
await _domainEvents
.CollectFrom(answer)
.PublishCollected(cancellationToken);
}
public async Task <Response <Guid> > Handle(CreateVoter request, CancellationToken cancellationToken)
{
var exists = await _voters.Exists(request.Pesel);
if (exists)
{
return(ObjectAlreadyExistsError.CreateFor <Voter>());
}
var voter = Voter.Create(request.Pesel);
await _domainEvents
.CollectFrom(voter)
.PublishCollected(cancellationToken);
return(voter.Id);
}
public override async Task <Response <Empty> > Handle(VoteFor request, CancellationToken cancellationToken)
{
var identity = _identityService.GetIdentity();
var voter = await _votersRepository.Get(identity.Id);
if (voter is null)
{
throw new NullReferenceException(
"cannot find voter with specified id");
}
var vote = voter.Vote(
voter.Id,
request.QuestionId,
request.AnswerId);
await _domainEvents
.CollectFrom(vote)
.CollectFrom(voter)
.PublishCollected(cancellationToken);
return(Success());
}