Пример #1
0
        public Question GetRandomQuestion()
        {
            Random random       = new Random();
            int    randomNumber = 0;

            if (AvailableQuestionsByNumber.Count > 1)
            {
                List <int> listOfAvailableKeys = new List <int>();
                foreach (var item in AvailableQuestionsByNumber)
                {
                    listOfAvailableKeys.Add(item.Key);
                }
                int[] arrayOfAvailableKeys = listOfAvailableKeys.ToArray();
                do
                {
                    randomNumber = arrayOfAvailableKeys[random.Next(1, arrayOfAvailableKeys.Length)];
                } while (AvailableQuestionsByNumber.Any(x => x.Key == randomNumber) == false);
            }
            else
            {
                randomNumber = AvailableQuestionsByNumber.Single().Key;
            }

            var question = AvailableQuestionsByNumber.Where(x => x.Key == randomNumber).Single();

            return(question.Value);
        }
Пример #2
0
        public List <Question> GetListOfQuestionsByQuiz(string quizTitle)
        {
            int questionNumber = 1;

            CurrentQuiz = quizViewModel.GetQuizByTitle(quizTitle);
            List <Question> listOfQuestions = CurrentQuiz.Questions.ToList();

            foreach (var question in listOfQuestions)
            {
                if (questionNumber != 1)
                {
                    AvailableQuestionsByNumber.Add(questionNumber, question);
                    questionNumber = questionNumber + 1;
                }
                else
                {
                    Question item = question;
                    AvailableQuestionsByNumber.Add(questionNumber, item);
                    questionNumber = questionNumber + 1;
                }
            }
            return(listOfQuestions);
        }
Пример #3
0
        public void RemoveQuestionFromAvailableList(Question question)
        {
            var dictionaryQuestion = AvailableQuestionsByNumber.Where(x => x.Value == question).Single();

            AvailableQuestionsByNumber.Remove(dictionaryQuestion.Key);
        }