public async Task <ValidationResult> UpdateAsync(int id, Quiz quiz, IEnumerable <QuizQuestion> questions)
{
if (id <= 0)
{
return(new ValidationResult(false, new ValidationError("The activity is invalid")));
}
quiz.SetId(id);
if (!quiz.IsValid())
{
return(new ValidationResult(false, quiz.ValidationErrors));
}
if (!quiz.AddQuestions(questions))
{
return(new ValidationResult(false, quiz.ValidationErrors));
}
var quizWasUpdated = await _quizRepository.UpdateAsync(quiz);
if (!quizWasUpdated)
{
return(new ValidationResult(false, new ValidationError("The activity wasn't found")));
}
return(new ValidationResult(true));
}
public async Task <ValidationResult> CreateAsync(Quiz quiz, IEnumerable <QuizQuestion> questions)
{
if (!quiz.IsValid())
{
return(new ValidationResult(false, quiz.ValidationErrors));
}
if (!quiz.AddQuestions(questions))
{
return(new ValidationResult(false, quiz.ValidationErrors));
}
var createdQuizId = await _quizRepository.CreateAsync(quiz);
if (createdQuizId <= 0)
{
return(new ValidationResult(false, new ValidationError("There was an error while creating the activity")));
}
return(new ValidationResult(true));
}