public JsonResult InsertAnswer(int quizPassQuestionId, int newMark, int evaluatedBy)
{
var dateNow = DateTime.Now;
var userAnswerScore = new UserAnswerScore();
userAnswerScore.QuizPassQuestionId = quizPassQuestionId;
userAnswerScore.Score = (byte)newMark;
userAnswerScore.EvaluatedBy = evaluatedBy;
userAnswerScore.EvaluatedAt = dateNow;
var newUserAnswerScore = _repository.Insert <UserAnswerScore>(userAnswerScore);
return(Json(newUserAnswerScore));
}
public void SetQuizFinishTime(int quizPassId)
{
User currentUser = _repository.GetSingle <User>(u => u.Email == User.Identity.Name);
var quizPassWithFinishTime = _repository.GetSingle <QuizPass>(qp => qp.Id == quizPassId);
quizPassWithFinishTime.FinishTime = DateTime.UtcNow;
_repository.Update <QuizPass>(quizPassWithFinishTime);
var userResult = _repository.Get <QuizPassQuestion>(q => q.QuizPassId == quizPassId, q => q.Question.QuestionType, q => q.QuizPass);
foreach (var elem in userResult)
{
if (elem.Question.QuestionType.TypeName == "Select one")
{
var userAnswer = _repository.GetSingle <UserAnswer>(ur => ur.QuizPassQuestionId == elem.Id, ur => ur.Answer);
UserAnswerScore userAnswerScoreToInsert;
if (userAnswer == null)
{
userAnswerScoreToInsert = new UserAnswerScore
{
QuizPassQuestionId = elem.Id,
Score = 0,
EvaluatedBy = currentUser.Id,
EvaluatedAt = DateTime.UtcNow
};
_repository.Insert <UserAnswerScore>(userAnswerScoreToInsert);
}
else if (userAnswer.Answer.IsRight.HasValue && userAnswer.Answer.IsRight.Value)
{
userAnswerScoreToInsert = new UserAnswerScore
{
QuizPassQuestionId = elem.Id,
Score = _repository.GetSingle <QuizQuestion>(qq => qq.Id == elem.Question.Id).QuestionScore,
EvaluatedBy = currentUser.Id,
EvaluatedAt = DateTime.UtcNow
};
_repository.Insert <UserAnswerScore>(userAnswerScoreToInsert);
}
else
{
userAnswerScoreToInsert = new UserAnswerScore
{
QuizPassQuestionId = elem.Id,
Score = 0,
EvaluatedBy = currentUser.Id,
EvaluatedAt = DateTime.UtcNow
};
_repository.Insert <UserAnswerScore>(userAnswerScoreToInsert);
}
}
else if (elem.Question.QuestionType.TypeName == "Select many")
{
var userAnswers = _repository.Get <UserAnswer>(ur => ur.QuizPassQuestionId == elem.Id, ur => ur.Answer, ur => ur.QuizPassQuestion);
UserAnswerScore userAnswerScoreToInsert;
if (userAnswers == null || userAnswers.Count == 0)
{
userAnswerScoreToInsert = new UserAnswerScore
{
QuizPassQuestionId = elem.Id,
Score = 0,
EvaluatedBy = currentUser.Id,
EvaluatedAt = DateTime.UtcNow
};
_repository.Insert <UserAnswerScore>(userAnswerScoreToInsert);
}
else
{
double mark = 0;
byte questionScore = _repository.GetSingle <QuizQuestion>(qq => qq.Id == elem.Question.Id).QuestionScore;
var quizInfo = _repository.Get <QuizQuestion>(q => q.QuizVariant.QuizId == elem.QuizPass.QuizId && q.QuestionId == elem.QuestionId,
q => q.Question,
q => q.Question.QuestionAnswers).SingleOrDefault();
var questionAnswers = quizInfo.Question.QuestionAnswers;
int amountOfTrueAns = 0;
foreach (var qa in questionAnswers)
{
qa.Answer =
_repository.GetSingle <QuestionAnswer>(el => el.Id == qa.Id, el => el.Answer)
.Answer;
if (qa.Answer.IsRight.HasValue && qa.Answer.IsRight.Value)
{
amountOfTrueAns++;
}
}
double pointsPerRightAnswer = Convert.ToDouble(questionScore) / Convert.ToDouble(questionAnswers.Count);
var checkedTrueAns = 0;
foreach (var answer in userAnswers)
{
if (answer.Answer.IsRight.HasValue && answer.Answer.IsRight.Value)
{
mark += pointsPerRightAnswer;
checkedTrueAns++;
}
}
var notCheckedTrueAns = amountOfTrueAns - checkedTrueAns;
var pointsToAdd = ((questionAnswers.Count - userAnswers.Count) - notCheckedTrueAns) * pointsPerRightAnswer;
mark += pointsToAdd;
userAnswerScoreToInsert = new UserAnswerScore
{
QuizPassQuestionId = elem.Id,
Score = mark, // TODO
EvaluatedBy = currentUser.Id,
EvaluatedAt = DateTime.UtcNow
};
_repository.Insert <UserAnswerScore>(userAnswerScoreToInsert);
}
}
}
}
