public ActionResult ResetPassword(StudentViewModel model)
{
using (CyberSchoolEntities _context = new CyberSchoolEntities())
{
var account = _context.Student.Where(x => x.Email == model.UserEmail).FirstOrDefault();
if (account != null)
{
model.FirstName = account.FirstName;
account.ResetPassCode = Guid.NewGuid().ToString();
_context.Entry(account).State = System.Data.Entity.EntityState.Modified;
_context.SaveChanges();
model.ResetPasswordCode = account.ResetPassCode;
if (IsSentMail(model))
{
TempData["message"] = @"We've sent an email to you. Click the link in the email to reset your password.
If you don't see the email, check other places it might be, like your junk, spam, social or other folders.";
return(RedirectToAction("ResetPassword"));
}
else
{
TempData["message"] = "There was a problem in sending the email. Please contact your network administrator";
return(RedirectToAction("ResetPassword"));
}
}
else
{
TempData["ResultCode"] = "003";
TempData["message"] = "There are no accounts registered with this email account. Please check your email and try angain";
return(RedirectToAction("ResetPassword"));
}
}
}
//view papers
public ActionResult ViewPaper(int subjectID, int gradeId)
{
if (gradeId == 0)
{
return(RedirectToAction("Index", "Exam"));
}
using (CyberSchoolEntities context = new CyberSchoolEntities())
{
int gradeVsSubjectID = context.GradeVsSubject.Where(o => o.GradeId == gradeId && o.SubjectId == subjectID).FirstOrDefault().Id;
IQueryable <Test> testList = context.Test.Where(o => o.GradeSubjectId == gradeVsSubjectID && o.IsActive == 1 && o.IsDeleted == 0);
List <TestViewModel> testVMList = testList.Select(x => new TestViewModel
{
Id = x.Id,
PaperPart = x.PaperPart,
DurationInMinutes = x.DurationInMinutes,
TestCode = x.TestCode,
TestDescription = x.TestDescription,
TestName = x.TestName
}).ToList();
TempData["GradeID"] = gradeId;
string subjectName = context.Subject.Where(o => o.Id == subjectID).FirstOrDefault().SubjectName;
Session["SubjectName"] = subjectName;
return(View(testVMList));
}
}
//view Subjects
public ActionResult ViewSubject(int gradeID)
{
using (CyberSchoolEntities context = new CyberSchoolEntities())
{
IQueryable <GradeVsSubject> gradeVsSubjectList = context.GradeVsSubject.Where(o => o.GradeId == gradeID);
List <GradeVsSubject> objgradeVsSubjectListt = gradeVsSubjectList.ToList();
List <SubjectViewModel> subjectVMList = new List <SubjectViewModel>();
foreach (GradeVsSubject item in objgradeVsSubjectListt)
{
Subject objSubject = context.Subject.Where(o => o.Id == item.SubjectId && o.IsActive == 1 && o.IsDeleted == 0).FirstOrDefault();
SubjectViewModel objSubjectVM = new SubjectViewModel();
objSubjectVM.Id = objSubject.Id;
objSubjectVM.SubjectCode = objSubject.SubjectCode;
objSubjectVM.SubjectDescription = objSubject.SubjectDescription;
objSubjectVM.SubjectName = objSubject.SubjectName;
objSubjectVM.gradeId = gradeID;
subjectVMList.Add(objSubjectVM);
}
Grade objGrade = context.Grade.Where(o => o.Id == gradeID).FirstOrDefault();
Session["Grade"] = objGrade.Grade1;
return(View(subjectVMList));
}
}
// GET: Exams
// View Grades
public ActionResult Index()
{
using (CyberSchoolEntities context = new CyberSchoolEntities())
{
IQueryable <Grade> gradeList = context.Grade.Where(o => o.IsDeleted == 0);
List <GradeViewModel> gradeVMList = gradeList.Select(x => new GradeViewModel
{
Id = x.Id,
Grade1 = x.Grade1,
GradeDescription = x.GradeDescription
}).ToList();
return(View(gradeVMList));
}
}
//Get final result
public ActionResult FinalResult(string token)
{
using (CyberSchoolEntities context = new CyberSchoolEntities())
{
TestEntry objTestEntry = context.TestEntry.Where(x => x.Token == token).FirstOrDefault();
if (objTestEntry == null)
{
TempData["message"] = "You have invalid token. Please re-login and try again.";
return(RedirectToAction("Index", "Login"));
}
int marks = 0;
if (objTestEntry.TotalMarks != null)
{
marks = (int)objTestEntry.TotalMarks;
}
int testID = (int)objTestEntry.TestID;
List <Question> objQuestionList = context.Question.Where(x => x.TestId == testID && x.IsActive == 1 && x.IsDeleted == 0).ToList();
double totalMarks = 0;
foreach (var item in objQuestionList)
{
totalMarks += (double)item.PointsOfQuestion;
}
TempData["FinalMarks"] = (int)((marks / totalMarks) * 100);
Test objTest = context.Test.Where(o => o.Id == objTestEntry.TestID).FirstOrDefault();
TempData["Grade"] = objTest.GradeVsSubject.Grade.Grade1.ToString();
TempData["Subject"] = objTest.GradeVsSubject.Subject.SubjectName;
TempData["TestName"] = objTest.TestName;
TempData["Part"] = objTest.PaperPart;
try
{
objTestEntry.Token = Guid.NewGuid().ToString();
objTestEntry.TokenExpireTime = DateTime.Now;
context.Entry(objTestEntry).State = EntityState.Modified;
context.SaveChanges();
}
catch (Exception)
{
TempData["dbError"] = "Server Error. Please Login again.";
return(RedirectToAction("Index", "Login"));
}
}
return(View());
}
public ActionResult RegisterStudent(StudentViewModel model)
{
using (CyberSchoolEntities _context = new CyberSchoolEntities())
{
Student student = new Student();
student.FirstName = model.FirstName;
student.LastName = model.LastName;
student.RegisteredDate = DateTime.Now;
student.username = model.username;
student.Email = model.UserEmail;
student.passHash = model.passHash;
_context.Student.Add(student);
_context.SaveChanges();
TempData["message"] = "Account Created Successfully. Now you can login with your credentials.";
return(RedirectToAction("Index", "Login"));
}
}
public ActionResult ChangePassword(string id)
{
using (CyberSchoolEntities _context = new CyberSchoolEntities())
{
var user = _context.Student.Where(x => x.ResetPassCode == id).FirstOrDefault();
if (user != null)
{
ChangePasswordViewModel model = new ChangePasswordViewModel
{
ResetCode = id
};
return(View(model));
}
else
{
return(HttpNotFound());
}
}
}
public ActionResult Index(StudentViewModel model)
{
using (CyberSchoolEntities context = new CyberSchoolEntities())
{
if (context.Student.Any(x => x.username == model.username && x.passHash == model.passHash))
{
Student objStudent = context.Student.Where(o => o.username == model.username && o.passHash == model.passHash).FirstOrDefault();
Session["studentName"] = objStudent.FirstName;
Session["studentID"] = objStudent.Id;
return(RedirectToAction("Index", "Exam"));
}
else
{
TempData["message"] = "Incorrect Username or Password!";
return(View(model));
}
}
}
//Instruction about the paper
public ActionResult Instruction(int paperID)
{
using (CyberSchoolEntities context = new CyberSchoolEntities())
{
Test objTest = context.Test.Where(o => o.Id == paperID).FirstOrDefault();
TestViewModel objTestVM = new TestViewModel();
if (objTest != null)
{
objTestVM.DurationInMinutes = objTest.DurationInMinutes;
objTestVM.PaperPart = objTest.PaperPart;
objTestVM.TestDescription = objTest.TestDescription;
objTestVM.TestName = objTest.TestName;
objTestVM.SubjectName = objTest.GradeVsSubject.Subject.SubjectName;
objTestVM.Grade = objTest.GradeVsSubject.Grade.Grade1.ToString();
objTestVM.Id = objTest.Id;
TempData["QuestionCount"] = context.Question.Where(o => o.TestId == objTest.Id && o.IsActive == 1 && o.IsDeleted == 0).ToList().Count;
}
return(PartialView("InstructionPV", objTestVM));
}
}
public ActionResult ChangePassword(ChangePasswordViewModel model)
{
if (ModelState.IsValid)
{
using (CyberSchoolEntities _context = new CyberSchoolEntities())
{
var user = _context.Student.Where(x => x.ResetPassCode == model.ResetCode).FirstOrDefault();
user.passHash = model.NewPassword;
user.ResetPassCode = "";
_context.Configuration.ValidateOnSaveEnabled = false;
_context.SaveChanges();
TempData["ResultCode"] = "001";
TempData["message"] = "New password updated successfully.";
return(RedirectToAction("Index"));
}
}
else
{
TempData["message"] = "Something is invalid";
}
return(View());
}
public JsonResult ValidateUsername(string username, int id)
{
bool result;
using (CyberSchoolEntities _context = new CyberSchoolEntities())
{
switch (id)
{
case 1:
if (_context.Student.Any(x => x.username == username))
{
result = false;
}
else
{
result = true;
}
break;
case 2:
if (_context.Student.Any(x => x.Email == username))
{
result = false;
}
else
{
result = true;
}
break;
default:
result = false;
break;
}
}
return(Json(result, JsonRequestBehavior.AllowGet));
}
//Fill data in Test entry table
public ActionResult AddTestEntry(int testID, int durationInMinutes)
{
using (CyberSchoolEntities context = new CyberSchoolEntities())
{
//create test entry account
try
{
if (Session["studentID"] != null)
{
TestEntry objTestEntry = new TestEntry();
objTestEntry.EntryDateTime = DateTime.Now;
objTestEntry.StudentID = (int)Session["studentID"];
objTestEntry.TestID = testID;
objTestEntry.Token = Guid.NewGuid().ToString();
objTestEntry.TokenExpireTime = DateTime.Now.AddMinutes(durationInMinutes);
context.TestEntry.Add(objTestEntry);
context.SaveChanges();
string token = objTestEntry.Token;
return(RedirectToAction("ViewQuestion", "Exam", new { token = token }));
}
else
{
TempData["nullStudentID"] = "Time was expired. Please Login again.";
return(RedirectToAction("Index", "Login"));
}
}
catch (Exception)
{
TempData["dbError"] = "Server Error. Please Login again.";
return(RedirectToAction("Index", "Login"));
//throw;
}
}
}
public ActionResult PostAnswer(AnswerViewModel model)
{
if (model.token == null)
{
TempData["message"] = "You have invalid token. Please re-login and try again.";
return(RedirectToAction("Index", "Login"));
}
using (CyberSchoolEntities context = new CyberSchoolEntities())
{
try
{
int isCorrect = 0;
TestEntry objTestEntry = context.TestEntry.Where(x => x.Token == model.token).FirstOrDefault();
List <Answers> objAnswerList;
if (objTestEntry.TotalMarks == null)
{
objTestEntry.TotalMarks = 0;
}
if (objTestEntry.RightAnswers != null)
{
string answers = objTestEntry.RightAnswers;
objAnswerList = JsonConvert.DeserializeObject <List <Answers> >(answers);
if (objAnswerList.Any(x => x.QuestionID == model.QuestionID))
{
var updateChoiceID = objAnswerList.FirstOrDefault(x => x.QuestionID == model.QuestionID);
if (updateChoiceID != null)
{
if (model.CorrectAnswer == model.choiceID && updateChoiceID.ChoiceID != model.choiceID)
{
updateChoiceID.IsCorrect = 1;
objTestEntry.TotalMarks += model.mark;
}
else
{
if (updateChoiceID.ChoiceID == model.CorrectAnswer && model.CorrectAnswer != model.choiceID)
{
updateChoiceID.IsCorrect = 0;
objTestEntry.TotalMarks -= model.mark;
}
}
updateChoiceID.ChoiceID = model.choiceID;
//updateChoiceID.QuestionNumber = model.QuestionNumber;
objTestEntry.RightAnswers = JsonConvert.SerializeObject(objAnswerList.ToList());
context.Entry(objTestEntry).State = EntityState.Modified;
context.SaveChanges();
}
}
else
{
if (model.CorrectAnswer == model.choiceID)
{
isCorrect = 1;
}
else
{
isCorrect = 0;
}
objAnswerList.Add(new Answers {
QuestionID = model.QuestionID, ChoiceID = model.choiceID, IsCorrect = isCorrect, QuestionNumber = model.QuestionNumber
});
if (isCorrect == 1)
{
objTestEntry.TotalMarks += model.mark;
}
objTestEntry.RightAnswers = JsonConvert.SerializeObject(objAnswerList.ToList());
context.Entry(objTestEntry).State = EntityState.Modified;
context.SaveChanges();
}
}
else
{
objAnswerList = new List <Answers>();
if (model.CorrectAnswer == model.choiceID)
{
isCorrect = 1;
}
else
{
isCorrect = 0;
}
objAnswerList.Add(new Answers {
QuestionID = model.QuestionID, ChoiceID = model.choiceID, IsCorrect = isCorrect, QuestionNumber = model.QuestionNumber
});
if (isCorrect == 1)
{
objTestEntry.TotalMarks = model.mark;
}
objTestEntry.RightAnswers = JsonConvert.SerializeObject(objAnswerList.ToList());
context.Entry(objTestEntry).State = EntityState.Modified;
context.SaveChanges();
}
model.AnswerList = objAnswerList;
//model.AnswerList.Add(model.choiceID.ToString());
string answerModel = JsonConvert.SerializeObject(model.AnswerList.ToList());
}
catch (Exception)
{
TempData["dbError"] = "Server Error. Please Login again.";
return(RedirectToAction("Index", "Login"));
}
}
if (model.Direction == "forward")
{
model.QuestionNumber++;
}
else if (model.Direction == "backward")
{
model.QuestionNumber--;
}
else if (model.SelectQuestionNumber != 0)
{
model.QuestionNumber = model.SelectQuestionNumber;
}
else
{
return(RedirectToAction("FinalResult", "Exam", new { token = model.token }));
}
return(RedirectToAction("ViewQuestion", "Exam", new { questionNumber = model.QuestionNumber, token = model.token, answerModel = JsonConvert.SerializeObject(model.AnswerList.ToList()) }));
}
//View questions
public ActionResult ViewQuestion(int?questionNumber, string token, string answerModel)
{
if (token == null)
{
TempData["message"] = "You have invalid token. Please re-login and try again.";
return(RedirectToAction("Index", "Login"));
}
TempData["token"] = token;
using (CyberSchoolEntities context = new CyberSchoolEntities())
{
TestEntry objTestEntry = context.TestEntry.Where(x => x.Token.Equals(token)).FirstOrDefault();
if (objTestEntry == null)
{
TempData["message"] = "Token is invalid.";
return(RedirectToAction("Index", "Login"));
}
if (objTestEntry.TokenExpireTime < DateTime.Now)
{
TempData["message"] = "The exam duration has expired at" + objTestEntry.TokenExpireTime.ToString() + ".";
return(RedirectToAction("FinalResult", "Exam", new { token = token }));
}
if (questionNumber.GetValueOrDefault() < 1)
{
questionNumber = 1;
}
Question objQuestion = context.Question.Where(o => o.TestId == objTestEntry.TestID && o.QuestionNumber == questionNumber && o.IsActive == 1 && o.IsDeleted == 0).FirstOrDefault();
QuestionViewModel objQuestionVM = new QuestionViewModel();
objQuestionVM.QuestionNumber = objQuestion.QuestionNumber;
objQuestionVM.CorrectAnswer = objQuestion.CorrectAnswer;
objQuestionVM.Id = objQuestion.Id;
objQuestionVM.PointsOfQuestion = objQuestion.PointsOfQuestion;
objQuestionVM.Question1 = objQuestion.Question1;
objQuestionVM.TestId = objQuestion.TestId;
if (objQuestion.LessonId != null)
{
objQuestionVM.LessonId = objQuestion.LessonId;
}
IQueryable <Choice> choiceList = context.Choice.Where(o => o.QuestionId == objQuestion.Id && o.IsActive == 1 && o.IsDeleted == 0);
List <ChoiceViewModel> choiceVMList = choiceList.Select(x => new ChoiceViewModel
{
ChoiceLabel = x.ChoiceLabel,
Id = x.Id,
QuestionId = x.QuestionId
}).ToList();
objQuestionVM.CoiceVMList = choiceVMList;
Test objTest = context.Test.Where(o => o.Id == objTestEntry.TestID).FirstOrDefault();
objQuestionVM.TestName = objTest.TestName;
objQuestionVM.DurationInMinutes = objTest.DurationInMinutes;
objQuestionVM.PaperPart = objTest.PaperPart;
//objQuestionVM.QuestionCount = objTest.Question.Count;
objQuestionVM.QuestionCount = context.Question.Where(o => o.TestId == objTestEntry.TestID && o.IsActive == 1 && o.IsDeleted == 0).ToList().Count;
objQuestionVM.SubjectName = objTest.GradeVsSubject.Subject.SubjectName;
objQuestionVM.Grade = objTest.GradeVsSubject.Grade.Grade1.ToString();
objQuestionVM.TokenExpireTime = objTestEntry.TokenExpireTime;
if (answerModel != null)
{
objQuestionVM.AnswerList = JsonConvert.DeserializeObject <List <Answers> >(answerModel);
var objAnswer = objQuestionVM.AnswerList.FirstOrDefault(x => x.QuestionID == objQuestion.Id);
if (objAnswer != null)
{
objQuestionVM.ChoiceID = objAnswer.ChoiceID;
}
}
else
{
if (objTestEntry.RightAnswers != null)
{
var objAnswerList = JsonConvert.DeserializeObject <List <Answers> >(objTestEntry.RightAnswers);
var objAnswer = objAnswerList.FirstOrDefault(x => x.QuestionID == objQuestion.Id);
if (objAnswer != null)
{
objQuestionVM.ChoiceID = objAnswer.ChoiceID;
}
}
}
return(View(objQuestionVM));
}
}
