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 List <MQuestion> ListByTeacher(AlternativeManager alternativeManager, User teacher)
{
var questions = Repository.Query().Where(c => c.Course.Teacher.Id == teacher.Id).OrderByDescending(c => c.Id).ToList();
var alternatives = alternativeManager.GetByQuestions(questions);
return(GroupAlternatives(questions, alternatives));
}
public MQuestion DailyQuestion(User user, AlternativeManager alternativeManager)
{
var question = Repository.Query()
.Where(c => c.User.Id == user.Id && c.Question.SentDate.Date == DateTime.Now.Date && !c.Answered)
.Select(c => c.Question).FirstOrDefault();
if (question != null)
{
return new MQuestion()
{
Course = question.Course,
Description = question.Description,
Alternatives = alternativeManager.GetByQuestion(question)
}
}
;
return(null);
}
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);
}