public int[] GetQuestionResults(int questionID)
{
var pollRepository = new PollRepository(session);
var questionRepository = new QuestionRepository(session);
var question = questionRepository.GetQuestionByID<Question>(questionID);
IDictionary<String, int> responses = new Dictionary<String, int>();
IList<String> correctOptions = new List<String>();
int[] responseStatistics = new int[2];
var poll = pollRepository.GetPollContainingQuestion(question);
if (question.type == QuestionType.Numeric)
{
// If the question is numeric
var numericQuestion = questionRepository.GetQuestionByID<NumericQuestion>(questionID);
int numCorrect = 0;
int numIncorrect = 0;
foreach (var response in numericQuestion.responses)
{
// Check if the answer is correct
if ((Convert.ToInt32(response.response) < numericQuestion.lessThan) &&
(Convert.ToInt32(response.response) > numericQuestion.greaterThan))
{
numCorrect++;
}
else
{
numIncorrect++;
}
}
responses.Add("Correct [" + numericQuestion.greaterThan.ToString() +
" - " + numericQuestion.lessThan.ToString() + "]", numCorrect);
responses.Add("Incorrect", numIncorrect);
responseStatistics[0] = numCorrect + numIncorrect;
responseStatistics[1] = numCorrect;
}
else if (question.type == QuestionType.Alphanumeric)
{
// If the question is alphanumeric
var alphaQuestion = questionRepository.GetQuestionByID<AlphanumericQuestion>(questionID);
// Get correct responses
int numCorrect = 0;
int numIncorrect = 0;
int total = 0;
foreach (var response in alphaQuestion.responses)
{
foreach (var answer in alphaQuestion.answers)
{
if (response.response.Equals(answer.answer))
{
numCorrect++;
}
}
total++;
}
// Build a string of correct answers
String correctAnswers = "";
foreach (var answer in alphaQuestion.answers)
{
if (correctAnswers != "")
{
correctAnswers += ", ";
}
correctAnswers += answer.answer;
}
responses.Add("Correct [" + correctAnswers + "]", numCorrect);
numIncorrect = total - numCorrect;
responses.Add("Incorrect", numIncorrect);
responseStatistics[0] = total;
responseStatistics[1] = numCorrect;
}
else
{
var multipleQuestion = questionRepository.GetQuestionByID<MultipleChoiceQuestion>(questionID);
int numCorrect = 0;
int total = 0;
foreach (var option in multipleQuestion.options)
{
total += option.responses.Count;
if (option.correctCurrent)
{
numCorrect += option.responses.Count;
}
}
total = total / multipleQuestion.allowedAnswers;
numCorrect = numCorrect / multipleQuestion.allowedAnswers;
responseStatistics[0] = total;
responseStatistics[1] = numCorrect;
}
return responseStatistics;
}
