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());
}
}
protected void NextButton_Click(object sender, EventArgs e)
{
// Get the answer from last question and store on session
// after pageload and all ui elements re-built dynamically and viewstate copied over
this.setSurveyQuestionAnswer();
//Get the next question
int currentQuestionSequence = SessionControlUtil.getCurrentQuestionSequence();
Question question = null;
SurveyLogicControl surveyLogicControl = new SurveyLogicControl();
// Verify the level and additional questions to show before continuing
// the sequence of the main questions
if (SessionControlUtil.getCurrentQuestionsLevel() > 1)
{
int nextQuestionId = SessionControlUtil.getNexQuestionIdFromAdditionalQuestionCurrentLevelList();
question = surveyLogicControl.getQuestionAndAnswersByIQuestionID(nextQuestionId);
}
else
{
question = surveyLogicControl.getNextQuestionBySequence(currentQuestionSequence);
//If there is not more questions the method surveyLogicControl.getNextQuestionBySequence
// will return zero that means there are no more questions on sequence.
if (question.QuestionSequence == 0)
{
// Get the list of questions answered from session
List <SurveyQuestionAnswer> surveyQuestionAnswerList = new List <SurveyQuestionAnswer>();
surveyQuestionAnswerList = SessionControlUtil.getSurveyQuestionAnswerList();
// Call the logic control to record the complete pageSurvey in the database
surveyLogicControl.insertAnsweredSurvey(surveyQuestionAnswerList);
Response.Redirect(AppConstants.pageSurveyComplete);
}
else
{
SessionControlUtil.setCurrentQuestionSequence(question.QuestionSequence);
}
}
// Store the next question to be showed on the session
// as current question.
SessionControlUtil.setCurrentQuestion(question);
// Redirect back to pageSurvey.aspx to continue the pageSurvey
// on next question.
Response.Redirect(AppConstants.pageSurvey);
}