public Question GetNextQuestion()
{
Question returnQuestion = null;
if (Questions.Any() && Strikes > 0)
{
int index = 0;
while (returnQuestion == null)
{
if (Randomizer.IsSelected(1.0 / (double)Questions.Count))
{
returnQuestion = Questions.ElementAt(index);
Questions.RemoveAt(index);
}
index++;
if (index >= Questions.Count)
{
index = 0;
}
}
}
return(returnQuestion);
}
public TenQuestionQuiz(QuizContext context, Category category)
{
_context = context;
QuizCategory = category;
Questions = new List <Question>();
double questionsToChoose = 10;
double totalQuestions = _context.Questions.Count();
CurrentQuestionIndex = 1;
while (Questions.Count < 10)
{
Question currentQuestion = _context.Questions.Where(c => c.CategoryId == QuizCategory.CategoryId).FirstOrDefault(q => q.QuestionId == CurrentQuestionIndex);
if (currentQuestion == null)
{
if (CurrentQuestionIndex > _context.Questions.Max(q => q.QuestionId))
{
CurrentQuestionIndex = 0;
}
}
else
{
if (!Questions.Contains(currentQuestion))
{
if (Randomizer.IsSelected(questionsToChoose / totalQuestions))
{
Questions.Add(currentQuestion);
questionsToChoose -= 1;
}
}
}
CurrentQuestionIndex++;
}
List <int> chosenQuestionIds = Questions.Select(q => q.QuestionId).ToList();
Answers = _context.Answers.Where(a => chosenQuestionIds.Contains(a.QuestionId)).ToList();
CurrentQuestionIndex = 0;
}
