public ExamViewModal GetExamData(int examid = 0)
{
ExamViewModal exammodel = new ExamViewModal();
exammodel = ExamRepository.GetExamDetails(examid);
return(exammodel);
}
public static ExamViewModal GetExamDetails(int examid)
{
ExamViewModal examviewmodal = new ExamViewModal();
examviewmodal.QuestionSheet = new List <QuestionViewModel>();
examviewmodal.ExamKnowledgeViewModals = new List <ExamKnowledgeViewModal>();
examviewmodal.ToppersViewModels = new List <ToppersViewModel>();
using (QuizContext cntxt = new QuizContext())
{
ExamTableMain exammain = cntxt.ExamTableMains.Find(examid);
if (exammain != null)
{
examviewmodal.MarkPerQstn = exammain.MarkPerQstn;
examviewmodal.NegativemarkPerQstn = exammain.NegativemarkPerQstn;
examviewmodal.ExamTableMainId = exammain.ExamTableMainId;
examviewmodal.ExamName = exammain.ExamName;
examviewmodal.TotalQuestion = exammain.TotalQuestion;
examviewmodal.ExamMinutes = exammain.ExamMinutes;
examviewmodal.UsedMinutes = 0;
examviewmodal.Cuttoff = exammain.Cuttoff;
if (exammain.ExamTableKnowledgeAreas.Count > 0)
{
var qpercentagecount = exammain.ExamTableKnowledgeAreas.Sum(u => u.Percentage);
if (int.Parse(qpercentagecount.ToString()) == 100)
{
foreach (var element in exammain.ExamTableKnowledgeAreas)
{
int xpectedqstn = ((element.Percentage * examviewmodal.TotalQuestion) / 100);
var tempQuestionViewModellist = GetNumberofQuestionofKnowledgeArea(xpectedqstn, examid, element.KnowledgeAreaID, exammain.LanguageId);
foreach (var tempelement in tempQuestionViewModellist)
{
examviewmodal.QuestionSheet.Add(tempelement);
}
ExamKnowledgeViewModal examKnowledgeViewModal = new ExamKnowledgeViewModal();
examKnowledgeViewModal.KnowledgeAreaID = element.KnowledgeAreaID;
examKnowledgeViewModal.KnowledgeAreaName = element.KnowledgeArea.KnowledgeAreaName;
examKnowledgeViewModal.TotalQstn = tempQuestionViewModellist.Count;
examviewmodal.ExamKnowledgeViewModals.Add(examKnowledgeViewModal);
}
}
}
}
}
try
{
examviewmodal.QuestionSheet.ShuffleMe();
examviewmodal.ToppersViewModels = GetTopper(examid);
}
catch (Exception)
{
throw;
}
return(examviewmodal);
}
public ExamViewModal Post(ExamViewModal examviewmodal)
{
return(ExamRepository.CalculateResultData(examviewmodal));
}
public static ExamViewModal CalculateResultData(ExamViewModal examViewModal)
{
int correctAnswercount = 0;
int WrongAnswerCount = 0;
int NoAnswerCount = 0;
foreach (QuestionViewModel qvmodel in examViewModal.QuestionSheet)
{
var question = QuizAPI.Repository.QuestionRepository.GetQuestion(qvmodel.QuestionId);
qvmodel.CorrectAnswer = question.CorrectAnswerIndex;
int knowledgeareaid = question.KnowledgeAreaId;
if (qvmodel.UserAnswer.Trim() == "")
{
qvmodel.isCorrect = "S";
NoAnswerCount++;
}
else
{
if (qvmodel.UserAnswer.Trim() == qvmodel.CorrectAnswer.Trim())
{
qvmodel.isCorrect = "Y";
correctAnswercount++;
}
else
{
qvmodel.isCorrect = "N";
WrongAnswerCount++;
}
}
var asd = from cnt in examViewModal.ExamKnowledgeViewModals
where cnt.KnowledgeAreaID == knowledgeareaid
select cnt;
foreach (var element in asd)
{
if (qvmodel.isCorrect == "Y")
{
element.CorrectAnswerCount = element.CorrectAnswerCount + 1;
}
else if (qvmodel.isCorrect == "S")
{
element.NoAnswerCount = element.NoAnswerCount + 1;
}
else if (qvmodel.isCorrect == "N")
{
element.WrongAnswersCount = element.WrongAnswersCount + 1;
}
}
}
examViewModal.correctAnswercount = correctAnswercount;
examViewModal.WrongAnswerCount = WrongAnswerCount;
examViewModal.NoAnswerCount = NoAnswerCount;
examViewModal.TotalMark = correctAnswercount * examViewModal.MarkPerQstn;
examViewModal.Negativemark = WrongAnswerCount * examViewModal.NegativemarkPerQstn;
examViewModal.FinalMark = examViewModal.TotalMark - examViewModal.Negativemark;
using (QuizContext cntxt = new QuizContext())
{
CandidateResult canreslt = new CandidateResult();
canreslt.CandidateId = examViewModal.Candidateviewmodal.CandidateId;
canreslt.ExamTableMainId = examViewModal.ExamTableMainId;
canreslt.correctAnswercount = examViewModal.correctAnswercount;
canreslt.WrongAnswerCount = examViewModal.WrongAnswerCount;
canreslt.NoAnswerCount = examViewModal.NoAnswerCount;
canreslt.UsedMinutes = examViewModal.UsedMinutes;
canreslt.TotalQuestion = examViewModal.TotalQuestion;
canreslt.TotalMark = examViewModal.TotalMark;
canreslt.Negativemark = examViewModal.Negativemark;
canreslt.FinalMark = examViewModal.FinalMark;
canreslt.ExamDate = DateTime.Now;
cntxt.CandidateResults.Add(canreslt);
cntxt.SaveChanges();
foreach (ExamKnowledgeViewModal knwmdl in examViewModal.ExamKnowledgeViewModals)
{
CandidateResultDetail canresltdet = new CandidateResultDetail();
canresltdet.CandidateResultId = canreslt.CandidateResultId;
canresltdet.KnowledgeAreaID = knwmdl.KnowledgeAreaID;
canresltdet.TotalQstn = knwmdl.TotalQstn;
canresltdet.WrongAnswersCount = knwmdl.WrongAnswersCount;
canresltdet.NoAnswerCount = knwmdl.NoAnswerCount;
canresltdet.CorrectAnswerCount = knwmdl.CorrectAnswerCount;
cntxt.CandidateResultDetails.Add(canresltdet);
cntxt.SaveChanges();
}
}
return(examViewModal);
}