public QuizEvaluationResult EvaluateSolution(QuizSolution quizSolution)
{
var result = new QuizEvaluationResult
{
ForQuizId = quizSolution.ForQuizId,
Title = quizSolution.ForQuiz.Title,
CorrectlyAnswered = new List<QuestionResultModel>(),
IncorrectlyAnswered = new List<QuestionResultModel>()
};
foreach (Answer answer in quizSolution.SelectedAnswers)
{
var questionResult = new QuestionResultModel
{
Question = answer.ForQuestion.Title,
IsCorrect = answer.IsCorrect,
ResultDescription = answer.ForQuestion.ResultDescription,
SelectedAnswer = answer.Text,
CorrectAnswer = answer.ForQuestion
.Answers.First(a => a.IsCorrect).Text
};
if (answer.IsCorrect)
{
result.CorrectlyAnswered.Add(questionResult);
}
else
{
result.IncorrectlyAnswered.Add(questionResult);
}
}
return result;
}
public QuizEvaluationResult EvaluateSolution(QuizSolution quizSolution)
{
var result = new QuizEvaluationResult
{
ForQuizId = quizSolution.ForQuizId,
Title = quizSolution.ForQuiz.Title,
CorrectlyAnswered = new List <QuestionResultModel>(),
IncorrectlyAnswered = new List <QuestionResultModel>()
};
foreach (Answer answer in quizSolution.SelectedAnswers)
{
var questionResult = new QuestionResultModel
{
Question = answer.ForQuestion.Title,
IsCorrect = answer.IsCorrect,
ResultDescription = answer.ForQuestion.ResultDescription,
SelectedAnswer = answer.Text,
CorrectAnswer = answer.ForQuestion
.Answers.First(a => a.IsCorrect).Text
};
if (answer.IsCorrect)
{
result.CorrectlyAnswered.Add(questionResult);
}
else
{
result.IncorrectlyAnswered.Add(questionResult);
}
}
return(result);
}
// TODO: Refactor me
public void AddResultToUser(TestKey key, Dictionary <string, ICollection <string> > answers)
{
var newEntity = TestResultModel.CreateNew(key, answers.Select(c =>
QuestionResultModel.CreateNew(c.Key, c.Value)).ToList());
try
{
var existed = _uow.Repository <TestResultModel>().GetQueryable()
.Where(c => c.UserModel.Id == CurrentUser.Instance.Id && c.UnitName == key.UnitName &&
c.LessonName == key.LessonName);
if (existed.Any())
{
_uow.Repository <TestResultModel>().Delete(existed.ToList());
}
newEntity.UserModel = _uow.Repository <UserModel>().GetQueryable().FirstOrDefault(CurrentUser.FindUser);
_uow.Repository <TestResultModel>().Add(newEntity);
_uow.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
public void InsertQuestionResult(QuestionResultModel passedQuestion)
{
User currentUser = _repository.GetSingle <User>(u => u.Email == User.Identity.Name);
passedQuestion.AnswerTime = DateTime.UtcNow;
if (passedQuestion.QuestionType == "Descriptive")
{
if (passedQuestion.AnswerText == null)
{
passedQuestion.AnswerText = "";
}
var textAnswer = _repository.GetSingle <UserTextAnswer>(a => a.QuizPassQuestion.QuestionId == passedQuestion.QuestionId &&
a.QuizPassQuestion.QuizPass.UserId == currentUser.Id &&
a.QuizPassQuestion.QuizPassId == passedQuestion.QuizPassId);
if (textAnswer != null)
{
if (string.IsNullOrEmpty(passedQuestion.AnswerText))
{
_repository.Delete <int, UserTextAnswer>("Id", textAnswer.Id);
//_repository.Delete<int, QuizPassQuestion>("Id", textAnswer.QuizPassQuestionId);
}
else
{
textAnswer.AnswerText = passedQuestion.AnswerText;
textAnswer.AnswerTime = passedQuestion.AnswerTime;
_repository.Update <UserTextAnswer>(textAnswer);
}
}
else
{
var quizzPassQuestionToCheck =
_repository.GetSingle <QuizPassQuestion>(el => el.QuizPassId == passedQuestion.QuizPassId &&
el.QuestionId == passedQuestion.QuestionId);
var userTextAnswerToInsert = new UserTextAnswer
{
QuizPassQuestionId = quizzPassQuestionToCheck.Id,
AnswerTime = passedQuestion.AnswerTime,
AnswerText = passedQuestion.AnswerText
};
_repository.Insert <UserTextAnswer>(userTextAnswerToInsert);
}
}
else if (passedQuestion.QuestionType == "Select one")
{
var radioAnswer = _repository.GetSingle <UserAnswer>(a => a.QuizPassQuestion.QuestionId == passedQuestion.QuestionId &&
a.QuizPassQuestion.QuizPass.UserId == currentUser.Id &&
a.QuizPassQuestion.QuizPassId == passedQuestion.QuizPassId);
if (radioAnswer != null)
{
radioAnswer.AnswerId = (int)passedQuestion.AnswerId;
radioAnswer.AnswerTime = passedQuestion.AnswerTime;
_repository.Update <UserAnswer>(radioAnswer);
}
else
{
var quizzPassQuestionToCheck =
_repository.GetSingle <QuizPassQuestion>(el => el.QuizPassId == passedQuestion.QuizPassId &&
el.QuestionId == passedQuestion.QuestionId);
if (passedQuestion.AnswerId != null)
{
var userAnswerToInsert = new UserAnswer
{
QuizPassQuestionId = quizzPassQuestionToCheck.Id,
AnswerTime = passedQuestion.AnswerTime,
AnswerId = (int)passedQuestion.AnswerId
};
_repository.Insert <UserAnswer>(userAnswerToInsert);
}
}
}
else
{
var checkAnswers = _repository.Get <UserAnswer>(a => a.QuizPassQuestion.QuestionId == passedQuestion.QuestionId &&
a.QuizPassQuestion.QuizPass.UserId == currentUser.Id &&
a.QuizPassQuestion.QuizPassId == passedQuestion.QuizPassId);
if (checkAnswers != null && checkAnswers.Count != 0)
{
var allNull = true;
foreach (var answer in passedQuestion.Answers)
{
if (answer != null)
{
allNull = false;
}
}
if (allNull)
{
foreach (var existingCheckAnswer in checkAnswers)
{
_repository.Delete <int, UserAnswer>("Id", existingCheckAnswer.Id);
}
}
else
{
var quizPassQuestionId = checkAnswers.First().QuizPassQuestionId;
foreach (var existingCheckAnswer in checkAnswers)
{
_repository.Delete <int, UserAnswer>("Id", existingCheckAnswer.Id);
}
foreach (var newCheckAnswer in passedQuestion.Answers)
{
if (newCheckAnswer != null)
{
var userAnswerToInsert = new UserAnswer
{
QuizPassQuestionId = quizPassQuestionId,
AnswerTime = passedQuestion.AnswerTime,
AnswerId = (int)newCheckAnswer
};
_repository.Insert <UserAnswer>(userAnswerToInsert);
}
}
}
}
else
{
var quizzPassQuestionToCheck =
_repository.GetSingle <QuizPassQuestion>(el => el.QuizPassId == passedQuestion.QuizPassId &&
el.QuestionId == passedQuestion.QuestionId);
foreach (var checkAnswer in passedQuestion.Answers)
{
if (checkAnswer != null)
{
var userAnswerToInsert = new UserAnswer
{
QuizPassQuestionId = quizzPassQuestionToCheck.Id,
AnswerTime = passedQuestion.AnswerTime,
AnswerId = (int)checkAnswer
};
_repository.Insert <UserAnswer>(userAnswerToInsert);
}
}
}
}
}