public async Task <ValidationResult> Handle(RegisterNewQuestionCommand message, CancellationToken cancellationToken)
{
if (!message.IsValid())
{
return(message.ValidationResult);
}
var question = new Question(0, message.QuestionDescription, message.ImageUrl, message.ThumbUrl, DateTime.Now);
if (await _questionRepository.GetByDescription(message.QuestionDescription) != null)
{
AddError("The question description has already exists.");
return(ValidationResult);
}
_questionRepository.Add(question);
var result = await Commit(_questionRepository.UnitOfWork);
if (result.IsValid)
{
foreach (var choice in message.Choices)
{
_questionChoiceRepository.Add(new QuestionChoice(0, question.Id, choice, 0));
}
question.AddDomainEvent(new QuestionRegisteredEvent(question.Id, question.QuestionDescription,
question.ImageUrl, question.ThumbUrl, question.PublishedAt));
return(await Commit(_questionChoiceRepository.UnitOfWork));
}
return(result);
}
public async Task <ValidationResult> Handle(UpdateQuestionCommand message, CancellationToken cancellationToken)
{
if (!message.IsValid())
{
return(message.ValidationResult);
}
var question = new Question(message.Id, message.QuestionDescription, message.ImageUrl, message.ThumbUrl, DateTime.Now);
var existingQuestion = await _questionRepository.GetByDescription(question.QuestionDescription);
if (existingQuestion != null && existingQuestion.Id != question.Id)
{
if (!existingQuestion.Equals(question))
{
AddError("The question description has already exists.");
return(ValidationResult);
}
}
_questionChoiceRepository.RemoveChoices(question.Id);
_questionRepository.Update(question);
var result = await Commit(_questionRepository.UnitOfWork);
if (result.IsValid)
{
foreach (QuestionChoice questionChoice in message.ChoicesUpdate)
{
_questionChoiceRepository.Add(new QuestionChoice(0, question.Id, questionChoice.Choice, questionChoice.Votes));
}
question.AddDomainEvent(new QuestionUpdatedEvent(question.Id, question.QuestionDescription,
question.ImageUrl, question.ThumbUrl, question.PublishedAt));
return(await Commit(_questionChoiceRepository.UnitOfWork));
}
return(result);
}