public void finalizeExam()
{
ExamHistory exam = new ExamHistory();
exam.ExamId = examId;
exam.UserId = userId;
exam.TakenDate = startDateTime;
exam.Result = this.getScorePercent() / 100;
using (var context = new ExamsDBContext())
{
context.ExamHistory.Add(exam);
context.SaveChanges();
}
}
public void addAnswerToQuestion(string anwserText, bool isProper)
{
Answer answerHelper = new Answer();
answerHelper.AnswerText = anwserText;
answerHelper.IsProper = isProper;
answerHelper.QuestionId = questions[questions.Count - 1].QuestionId;
using (var context = new ExamsDBContext())
{
context.Answer.Add(answerHelper);
context.SaveChanges();
};
anwsers.Add(answerHelper);
}
public bool registerUser(string userLogin, string userPassword, string userEmail)
{
Users users = new Users();
users.UserLogin = userLogin;
users.UserPassword = userPassword;
users.Email = userEmail;
using (var context = new ExamsDBContext())
{
context.Users.Add(users);
context.SaveChanges();
};
return(true);
}
public void deleteExam(Int64 examId)
{
//Exams exams = null;
using (var context = new ExamsDBContext())
{
var examQ = from exams in context.Exams
where exams.ExamId == examId
select exams;
var examToDelete = examQ.FirstOrDefault();
context.Exams.Remove(examToDelete);
context.SaveChanges();
return;
};
}
public Questions createQuestion(bool isMultiChoice, string questionTekst)
{
Questions questionsHelepr = new Questions();
questionsHelepr.IsMultiChoice = isMultiChoice;
questionsHelepr.QuestionText = questionTekst;
questionsHelepr.ExamId = examHeader.ExamId;
using (var context = new ExamsDBContext())
{
context.Questions.Add(questionsHelepr);
context.SaveChanges();
};
questions.Add(questionsHelepr);
return(questionsHelepr);
}
public Exams initializeExam(Int64 userId, string title, string description)
{
questions = new List <Questions>();
anwsers = new List <Answer>();
examHeader = new Exams();
examHeader.UserId = userId;
examHeader.Title = title;
examHeader.Decription = description;
headerCreated = true;
using (var context = new ExamsDBContext())
{
context.Exams.Add(examHeader);
context.SaveChanges();
};
return(examHeader);
}
