public PollQuestion GetActiveQuestion()
{
PollQuestion ret = null;
//For real-time applications, you can get data from databases like SQL Server
string sampleXmlString = ePollWorker.SampleData.GetActivePollQuestion();
XmlDocument pollQuestionXmlDoc = new XmlDocument();
pollQuestionXmlDoc.LoadXml(sampleXmlString);
XmlElement root = pollQuestionXmlDoc.DocumentElement;
XmlNode activeNode = pollQuestionXmlDoc.SelectSingleNode("//PollQuestion/Active");
if (root.Name == "PollQuestion")
{
ret = new PollQuestion();
ret.ID = pollQuestionXmlDoc.SelectSingleNode("//PollQuestion/ID").InnerText;
ret.Question = pollQuestionXmlDoc.SelectSingleNode("//PollQuestion/Question").InnerText;
string activeStatus = pollQuestionXmlDoc.SelectSingleNode("//PollQuestion/Active").InnerText;
ret.Active = Boolean.Parse(activeStatus);
XmlNodeList answerChoices = pollQuestionXmlDoc.SelectNodes("//PollQuestion/AnswerGroup/Answer");
if (answerChoices != null && answerChoices.Count > 0)
{
ret.AnswerGroup = new List<string>();
foreach (XmlNode answer in answerChoices)
{
ret.AnswerGroup.Add(answer.InnerText);
}
}
}
return ret;
}
static void Main(string[] args)
{
System.Diagnostics.Stopwatch elapsedTimer = new System.Diagnostics.Stopwatch();
elapsedTimer.Start();
QuestionManager manager = new QuestionManager();
pollQuestion = manager.GetActiveQuestion();
questionID = pollQuestion.ID;
//Console.WriteLine("Poll Question: {0}",pollQuestion.Question);
//if (pollQuestion.AnswerGroup != null && pollQuestion.AnswerGroup.Count > 0)
//{
// bool validOptionEntered = false;
// while (!validOptionEntered)
// {
// Console.WriteLine("Choose one option below. Enter the choice number:");
// for (int index = 0; index < pollQuestion.AnswerGroup.Count; index++)
// {
// Console.WriteLine(" {0}. {1}", index + 1, pollQuestion.AnswerGroup[index]);
// }
// string enteredChoice = Console.ReadLine();
// Console.WriteLine(enteredChoice);
// int answeredChoice;
// Int32.TryParse(enteredChoice, out answeredChoice);
// if (answeredChoice > 0 && answeredChoice <= pollQuestion.AnswerGroup.Count)
// {
// validOptionEntered = true;
// chosenAnswer = pollQuestion.AnswerGroup[answeredChoice - 1];
// Console.WriteLine("Your response is {0}", chosenAnswer);
// }
// }
// if (validOptionEntered)
// {
// PollUserAnswer userAnswer = new PollUserAnswer();
// userAnswer.Question = pollQuestion.Question;
// userAnswer.QuestionID = pollQuestion.ID;
// userAnswer.UserAnswer = chosenAnswer;
// for (int index = 0; index < 100; index++)
// {
// manager.SaveAnswer(userAnswer);
// }
// }
//}
Console.WriteLine("Poll Results");
List<string> pollAnswers = manager.GetPollResults(pollQuestion.ID);
Console.WriteLine("Total Responses = {0}", pollAnswers.Count);
IEnumerable<string> uniqueAnswers = pollAnswers.Select(x => x).Distinct();
Dictionary<string, double> dictionaryAnswer = new Dictionary<string, double>();
foreach (string answer in uniqueAnswers)
{
int answerCount = pollAnswers.Where(s => s == answer).Count();
double answeredPercent = Math.Round((double)answerCount / pollAnswers.Count,4);
dictionaryAnswer.Add(answer, answeredPercent);
}
//string keyOfMaxValue = dictionaryAnswer.Aggregate((l, r) => l.Value > r.Value ? l : r).Key;
//double sumAnswer = dictionaryAnswer.Sum(x => x.Value);
//double maxAnswer = dictionaryAnswer.Max(x => x.Value);
//int numberOfSameMaxAnswer = dictionaryAnswer.Where(x => x.Value == maxAnswer).Count();
//if (numberOfSameMaxAnswer > 1)
//{
// var maxAnswerQuestions = dictionaryAnswer.Where(x => x.Value == maxAnswer);
// foreach (KeyValuePair<string, double> item in maxAnswerQuestions)
// {
// }
//}
//else
//{
// double sumAnswerMinusMax = sumAnswer - maxAnswer;
// dictionaryAnswer[keyOfMaxValue] = 1 - sumAnswerMinusMax; //to avoid minor decimal difference for 100 percent
//}
dictionaryAnswer = dictionaryAnswer.OrderByDescending(x => x.Value).ToDictionary(x => x.Key, x => x.Value);
foreach (KeyValuePair<string, double> item in dictionaryAnswer)
{
Console.WriteLine("{0} = {1} - {2}%", item.Key, pollAnswers.Where(s => s == item.Key).Count(), PercentFormat(item.Value));
}
elapsedTimer.Stop();
Console.WriteLine("Elapsed time = {0}", elapsedTimer.Elapsed);
Console.ReadLine();
}
public static bool ConfigurePollQuestionMonitor(PollQuestion pollQuestion)
{
bool ret = false;
//Based on the design of the application, you can have unique id or name
string pubnubChannel = pollQuestion.ID;
mrePresenceConnect.AddOrUpdate(pubnubChannel, new ManualResetEvent(false), (key, oldState) => new ManualResetEvent(false));
presenceChannelConnected[pubnubChannel] = false;
pubnub.Presence<string>(pubnubChannel, PollQuestionMonitorRegularCallback, PollQuestionMonitorConfiguredCallback, PollQuestionMonitorErrorCallback);
mrePresenceConnect[pubnubChannel].WaitOne(TimeSpan.FromSeconds(10));
if (presenceChannelConnected[pubnubChannel])
{
ret = true;
}
return ret;
}
