private IList <SurveyAnswerItemViewModel> CreateChoices(
SurveyQuestionModel q,
IList <SurveyQuestionAnswerChoiceResponseModel> previousAnswers)
{
// Create the view model for each answer item, potentially using an existing answer response model
var choices = new List <SurveyAnswerItemViewModel>(q.AnswerChoices.Count);
foreach (var choice in q.AnswerChoices.OrderBy(a => a.AnswerChoiceNum, StringComparer.Ordinal))
{
var previousAnswer = previousAnswers.SingleOrDefault(a => a.AnswerChoiceID == choice.AnswerChoiceID);
choices.Add(previousAnswer != null
? new SurveyAnswerItemViewModel(choice, previousAnswer, true)
: new SurveyAnswerItemViewModel(
choice,
new SurveyQuestionAnswerChoiceResponseModel
{
QuestionID = q.QuestionID,
AnswerChoiceID = choice.AnswerChoiceID,
}));
}
// Add a listener for when the answer choice is selected
foreach (var choice in choices)
{
// We reuse the PropertyChanged event since it's already wired up correctly
choice.PropertyChanged += (sender, e) =>
{
// Check to make sure it was the IsSelected property that changed
if (e.PropertyName == nameof(SurveyAnswerItemViewModel.IsSelected))
{
// If multiple answers are not allowed, unselect any other selected choices
if (!q.AllowMultipleAnswers && choice.IsSelected)
{
foreach (var otherChoice in choices)
{
if (otherChoice != choice)
{
otherChoice.IsSelected = false;
}
}
}
// If the choice is selected, add it to the response model
if (choice.IsSelected)
{
_viewModel.AddAnswer(choice.Answer);
}
// Else when the choice is unselected, remove it from the response model
else
{
_viewModel.RemoveAnswer(choice.Answer);
}
_viewModel.UpdateCommands();
}
};
}
return(choices);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public List <SurveyQuestionModel> GetAllQuestions()
{
SurveyQuestionModel model = new SurveyQuestionModel();
using (LBCData context = new LBCData(ConnectionHelper.getConnectionString()))
{
var lst = from q in context.LBC_SURVEY_QUESTIONS
join a in context.LBC_SURVEY_QUESTION_ANSWER on q.QUESTION_ID equals a.QUESTION_ID
orderby q.QUESTION_ID ascending
select new SurveyQuestionModel();
return(lst.ToList <SurveyQuestionModel>());
}
}
public List <SurveyQuestionModel> GetReportQuestions()
{
SurveyQuestionModel model = new SurveyQuestionModel();
using (LBCData context = new LBCData(ConnectionHelper.getConnectionString()))
{
var lst = from q in context.LBC_SURVEY_QUESTIONS
orderby q.QUESTION_ID ascending
select new SurveyQuestionModel
{
QUESTION_ID = q.QUESTION_ID,
QUESTION_DESC = q.QUESTION_DESC
};
return(lst.ToList <SurveyQuestionModel>());
}
}
public static SurveyModel ConvertToModel(Survey survey)
{
SurveyModel model = new SurveyModel()
{
SurveyID = survey.ID,
Name = survey.Name,
Description = survey.Description,
IntroText = survey.IntroText,
Version = survey.Version,
LastUpdated = survey.LastUpdated
};
foreach (SurveyQuestion sq in survey.SurveyQuestions)
{
SurveyQuestionModel qm = new SurveyQuestionModel()
{
QuestionID = sq.Question_ID,
QuestionNum = sq.QuestionNum,
QuestionText = sq.Question.QuestionText,
QuestionHelpText = sq.Question.ClarificationText,
AllowMultipleAnswers = sq.Question.AllowMultipleAnswers,
WellKnownQuestion = sq.Question.WellKnownQuestion
};
foreach (SurveyAnswerChoice ac in sq.AnswerChoices)
{
SurveyQuestionAnswerChoiceModel acm = new SurveyQuestionAnswerChoiceModel()
{
AnswerChoiceID = ac.AnswerChoice_ID,
AnswerChoiceNum = ac.AnswerChoiceNum,
AnswerChoiceText = ac.AnswerChoice.AnswerText,
AdditionalAnswerDataFormat = ac.AnswerChoice.AdditionalAnswerDataFormat,
NextQuestionID = (ac.EndSurvey) ? SurveyQuestionAnswerChoiceModel.END_SURVEY : ac.NextSurveyQuestion?.Question_ID,
EndSurvey = ac.EndSurvey
};
qm.AnswerChoices.Add(acm);
}
model.Questions.Add(qm);
}
return(model);
}
public bool Update(SurveyQuestionModel model)
{
return(_repository.Update(model));
}
public SurveyQuestionModel Create(SurveyQuestionModel model)
{
return(_repository.Create(model));
}
