public void Create(AlternativeManager alternativeManager, SendQuestionManager sendQuestionManager, SubscribeManager subscribeManager, Question question, Course course, List <Alternative> alternatives)
{
Transaction(() =>
{
if (course == null)
{
throw new QuestionarException("O curso selecionado é inválido.");
}
if (string.IsNullOrEmpty(question.Description))
{
throw new QuestionarException("Descrição é um campo obrigatório.");
}
question.Course = course;
question.Order = Order(question);
Repository.Create(question);
alternativeManager.Create(alternatives, question);
var isTheFirst = !Repository.Query().Any(c => c.Id != question.Id && c.Course.Id == course.Id);
if (isTheFirst)
{
SendFirstQuestion(subscribeManager, sendQuestionManager, course, question);
question.Sent = true;
question.SentDate = DateTime.Now;
}
});
}
public void Subscribe(User user, Course course, SendQuestionManager sendQuestionManager, QuestionManager _questionManager)
{
if (user.IsTeacher)
{
throw new QuestionarException("Apenas alunos podem se cadastrar em disciplinas.");
}
if (!user.Active)
{
throw new QuestionarException("Usuários inativos não podem se cadastrar.");
}
if (Repository.Query().Any(c => c.Student.Id == user.Id && c.Course.Id == course.Id))
{
throw new QuestionarException("Usuário já inscrito nesta disciplina.");
}
Transaction(() =>
{
var subscription = new Subscription
{
Course = course,
Entered = DateTime.Now,
Student = user
};
Repository.Create(subscription);
sendQuestionManager.SendQuestion(user, course, _questionManager);
});
}
public void SendFirstQuestion(SubscribeManager subscribeManager, SendQuestionManager sendQuestionManager, Course course, Question question)
{
var users = subscribeManager.UsersByCourse(course);
users.ForEach(user =>
{
sendQuestionManager.SendQuestion(user, course, question);
});
}
public bool Reply(int idAlternative, User student, AlternativeManager alternativeManager, SendQuestionManager sendQuestionManager)
{
var alternative = alternativeManager.Repository.GetById(idAlternative);
if (alternative == null)
{
throw new QuestionarException("Alternativa inválida");
}
Transaction(() =>
{
var answer = new Answer()
{
Alternative = alternative,
Student = student,
Created = DateTime.Now
};
Repository.Create(answer);
sendQuestionManager.AnswerQuestion(student, alternative.Question);
});
return(alternative.IsCorrect);
}
