protected void Page_Load(object sender, EventArgs e)
{
try
{
ErrorMessageLabel.Text = "";
ErrorMessageLabel.ForeColor = System.Drawing.Color.Black;
SurveyLogicControl surveyLogicControl = new SurveyLogicControl();
Question question = new Question();
int currentQuestionSequence = 0;
if (string.IsNullOrEmpty(SessionControlUtil.getUserIPAddress()))
{
string userIPAddress = AppUtil.getUserIPAddress();
if (!string.IsNullOrEmpty(userIPAddress))
{
Respondent respondent = new Respondent();
respondent.IpAddress = userIPAddress;
int userID = surveyLogicControl.insertRespondent(respondent);
SessionControlUtil.setUserID(userID);
SessionControlUtil.setUserIPAddress(userIPAddress);
}
// First time.
// Get the first question and set the session attributes control
question = surveyLogicControl.getNextQuestionBySequence(currentQuestionSequence);
SessionControlUtil.setCurrentQuestion(question);
SessionControlUtil.setCurrentQuestionSequence(question.QuestionSequence);
SessionControlUtil.incrementCurrentQuestionLevel();
HttpContext.Current.Session[AppConstants.sessionQuestionsAnswerList] = new List <SurveyQuestionAnswer>();
}
else
{
question = SessionControlUtil.getCurrentQuestion();
}
this.displayQuestion(question);
}
catch (Exception ex)
{
/* IMPORTANT !!
* // No matter what was the error, user can not start, continue or
* // finalize the pageSurvey. So:
* // - A log (simulation) with the exception was done on the place that have occurred
* // - The exception comes till the final layer, shows a generic error to the user
* // - Insert more information on the log (simulation)
* */
ErrorMessageLabel.Text = AppConstants.errorSystemError;
ErrorMessageLabel.ForeColor = System.Drawing.Color.Red;
//Error log simulated
Console.WriteLine(ex.ToString());
Console.WriteLine(ex.GetBaseException().ToString());
}
}
///////
/// <summary>
/// Insert an question ID List on Additional Questions Current Level List.
/// </summary>
/// <param name="questionIDList">List<int> questionIDList</param>
/// <exception cref="AppPageException">AppPageException</exception>
/// <exception cref="Exception">Exception</exception>
public static void insertAdditionalQuestionsCurrentLevelList(List <int> questionIDList)
{
try
{
SessionControlUtil.incrementCurrentQuestionLevel();
string currentQuestionsLevelKey = getCurrentQuestionsLevelKey();
if (HttpContext.Current.Session[currentQuestionsLevelKey] == null)
{
HttpContext.Current.Session[currentQuestionsLevelKey] = new ArrayList();
}
HttpContext.Current.Session[currentQuestionsLevelKey] = questionIDList;
}
catch (Exception ex)
{
//Error log simulated
Console.WriteLine(ex.ToString());
Console.WriteLine(ex.GetBaseException().ToString());
throw;
}
}