public Task HandleAsync(IDomainEvent <ExamAggregate, ExamId, ScoringStarted> domainEvent, ISagaContext sagaContext, CancellationToken cancellationToken)
{
foreach (var answer in domainEvent.AggregateEvent.StudentAnswers)
{
//if something blows up somehow somewhere we got a duplicate answer per question
var question = domainEvent.AggregateEvent.Questions.Single(_ => _.Id == answer.Id);
QuestionsAndStudentAnswers.TryAdd(question, answer);
}
Emit(new ExamScoringSagaStarted());
return(Task.CompletedTask);
}
private void CheckIfExamScoringIsCompleted(ScoreReceived aggregateEvent)
{
AllQuestionsScored = QuestionsAndStudentAnswers
.All(questionsAndStudentAnswer =>
questionsAndStudentAnswer.Key.Id == aggregateEvent.Score.QuestionId);
}
