/// <summary>
/// Get information for publishing quiz
/// </summary>
/// <param name="idAnswer"></param>
/// <returns></returns>
public PublishedQuiz GetPublishedQuiz(int idAnswer)
{
using (IRepository repository = Repository.Repository.CreateRepository())
{
Domain.Answer answer = repository.GetAnswer(idAnswer);
if (answer != null && answer.User.Id == currentUserId)
{
return(CreatePublishedQuiz(answer.Quiz));
}
}
return(null);
}
public List <Cholestabetes.Domain.Question> GetQuestionList(int screenID)
{
int lastQID = -1;
bool addQuestion = false;
List <Cholestabetes.Domain.Question> questionLst = new List <Domain.Question>();
foreach (sp_GetQuestionsAnswersByScreen_Result item in Entites.sp_GetQuestionsAnswersByScreen(screenID).ToList())
{
Domain.Question question = null;
if (lastQID != item.QuestionID)
{
question = new Domain.Question();
question.ID = item.QuestionID;
question.Required = item.QuestionRequired;
question.Sequence = item.QuestionSequence;
question.Text = item.QuestionText;
question.Type = item.QuestionType;
question.Screen = item.Screen.Value;
addQuestion = true;
}
else
{
question = questionLst[questionLst.Count - 1] as Domain.Question;
addQuestion = false;
}
//getting answers
Domain.Answer ans = new Domain.Answer();
ans.ID = item.AnswerID;
ans.QID = item.AnswerQuestionID;
ans.Text = item.AnswerText;
question.Answers.Add(ans);
if (addQuestion)
{
questionLst.Add(question);
}
lastQID = item.QuestionID;
}
return(questionLst);
}
/// <summary>
/// Implements the default behavior for saving an answer, such as checking
/// the ownership of that quiz, identifying the parameters and etc.
/// At the end of the execution, this method will delegate the operation to
/// one of the functions sent as parameter, depending on the results encontered here.
/// </summary>
/// <param name="answer">The answer to be persisted</param>
/// <param name="insert">The instructions for including a new value</param>
/// <param name="update">The instructions for updating a item that is already in the database</param>
/// <returns></returns>
protected ResultOperation SaveAnswer(AnswerModelViewBase answer,
Func <IRepository, AnswerQuestionOption> insert,
Func <IRepository, AnswerQuestionOption, bool> update)
{
try
{
// Disposing repository to avoid overloading the data context
using (IRepository repository = Repository.Repository.CreateRepository())
{
// Loading the quiz from the database
Domain.Quiz quiz = repository.GetQuiz(answer.Question.IdQuiz);
// Loading the answer for that qu iz and for that user
Domain.Answer savedAnswer = repository.GetAnswer(quiz.Id, userId);
if (savedAnswer.Id == answer.Id)
{
// If there is no answer, it might mean that someone is trying to send bad data.
// We also will allow only changes to quizes that are open and have not been evaluated
if (savedAnswer != null && savedAnswer.IsOpen && !savedAnswer.Evaluated)
{
// Making sure that the question received belongs to that quiz
var question = quiz.Questions.FirstOrDefault(r => r.Id == answer.Question.Id);
if (question != null)
{
SaveAnswer(savedAnswer, answer, repository, question, insert, update);
}
}
else
{
messages.Add("There is no quiz active for this question!");
}
}
else
{
messages.Add("There is no quiz active for this question!");
}
}
}
catch (Exception ex)
{
LogException(ex);
messages.Add(DefaultErrorMessage());
}
return(messages);
}
/// <summary>
/// Return the answer for a question. But it returns for the creator of this quiz.
/// </summary>
/// <param name="idAnswer"></param>
/// <param name="idQuestion"></param>
/// <returns></returns>
public AnswerModelViewBase GetAnswerReport(int idAnswer, int idQuestion)
{
using (IRepository repository = Repository.Repository.CreateRepository())
{
Domain.Answer answer = repository.GetAnswer(idAnswer);
if (answer != null)
{
if (answer.Quiz.Creator.Id == userId || answer.User.Id == userId)
{
return(CreateInfoAnswer(repository, answer, idQuestion));
}
}
}
return(null);
}
public AnswerVM()
{
_answer = new Domain.Answer();
}
public AnswerVM(Domain.Answer answer)
{
_answer = answer;
}
/// <summary>
/// Builds the return for GetListOptionsForAnswer
/// </summary>
/// <param name="repository"></param>
/// <param name="answer"></param>
/// <param name="idQuestion"></param>
/// <returns></returns>
private List <ListItem> GetMultipleChoiceFromQuestion(IRepository repository, Domain.Answer answer, int idQuestion)
{
List <ListItem> returnedList = new List <ListItem>();
if (answer.Quiz.Questions.Any(r => r.Id == idQuestion))
{
var options = repository.GetMultipleChoiceOptions(idQuestion);
if (options != null && options.Count > 0)
{
options.ForEach(r =>
{
returnedList.Add(new ListItem()
{
Id = r.Id,
Name = r.Content
});
});
}
}
return(returnedList);
}
