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);
}
public void RemoveQuestionFromAvailableList(Question question)
{
var dictionaryQuestion = AvailableQuestionsByNumber.Where(x => x.Value == question).Single();
AvailableQuestionsByNumber.Remove(dictionaryQuestion.Key);
}