public bool CreateItem(StudentQuizResult item)
{
_context.StudentQuizResults.AddObject(item);
SaveChanges();
return(true);
}
public static StudentQuizResult StudentResult(int id)
{
var result = new StudentQuizResult();
result.Id = id;
result.DateOpen = DateTime.Now.AddDays(-1);
result.DateUpdate = DateTime.Now;
result.PointsTotal = id + 2;
result.PointsStudent = id + 1;
return(result);
}
public GenericOperationResult <StudentQuizResult> ProcessResults(Quiz takenQuiz, string studentName)
{
var result = OperationResult.GetGenericResultObject <StudentQuizResult>();
try
{
//create a new student quiz result
var studentQuizResult = new StudentQuizResult();
//get the actual quiz and student that took the quiz
var actualQuiz = _quizRepository.GetItem(takenQuiz.Id);
var student = _userService.GetUser(studentName);
//compare the results
var compareResults = CompareQuizes(actualQuiz, takenQuiz);
// get the measurments from the compared result and the actual quiz
var totalPoints = actualQuiz.Questions.Sum(x => x.Points);
var studentPoints = compareResults.StudentPoints;
// populate the student quiz result object
var date = DateTime.Now;
studentQuizResult.DateUpdate = date;
studentQuizResult.DateOpen = date;
studentQuizResult.QuizId = actualQuiz.Id;
studentQuizResult.StudentId = student.UserID;
studentQuizResult.PointsTotal = totalPoints;
studentQuizResult.PointsStudent = studentPoints;
studentQuizResult.CorrectQuestions = compareResults.CorrectQuestions;
studentQuizResult.DetailResult =
DetailResultSerializer.SerializeDetailedQuizResultToXml(compareResults.QuizDetailResults);
//store the new student quiz result object
_studentQuizResultRepository.CreateItem(studentQuizResult);
ProcessStudentRank(student.UserName);
var actualStudentQuizResult =
_studentQuizResultRepository.GetAllItems().Where(
x => x.StudentId == student.UserID && x.QuizId == actualQuiz.Id && x.DateUpdate >= date).FirstOrDefault();
result.SetSuccess();
result.SetData(actualStudentQuizResult);
return(result);
}
catch (Exception e)
{
result.SetException();
result.AddMessage(e.Message);
result.AddExceptionMessage(e.Message);
return(result);
}
}
public bool UpdateItem(StudentQuizResult item)
{
var oldItem = GetItem(item.Id);
oldItem.QuizId = item.QuizId;
oldItem.StudentId = item.StudentId;
oldItem.DateUpdate = item.DateUpdate;
oldItem.DateOpen = item.DateOpen;
oldItem.PointsTotal = item.PointsTotal;
oldItem.PointsStudent = item.PointsStudent;
return(true);
}
public QuizResultViewModel(string studentName, StudentQuizResult quizResult)
{
if (!String.IsNullOrWhiteSpace(studentName) && quizResult != null)
{
StudentUserName = studentName;
QuizName = quizResult.Quiz.Name;
QuizId = quizResult.Quiz.Id;
TotalPoints = quizResult.PointsTotal;
StudentPoints = quizResult.PointsStudent;
CorrectQuestions = quizResult.CorrectQuestions == null ? 0 : (int)quizResult.CorrectQuestions;
if (quizResult.DetailResult != null)
{
DetailedResults = DetailResultSerializer.DesirializeFromXml(quizResult.DetailResult);
}
}
}
public bool DeleteItem(StudentQuizResult item)
{
return(DeleteItem(item.Id));
}
public bool CreateItem(StudentQuizResult item)
{
_context.Add(item);
return(true);
}
