public ScoreCard GetScore(int testId, int studentId)
{
// calculating score and max marks
var responses = _responseRepo.GetResponsesByStudentIdAndTestId(testId, studentId);
var testQues = _testQuesRepo.GetByTestId(testId);
var questions = new List <Question>();
int maxMarks = 0;
foreach (var item in testQues)
{
var ques = _questionRepo.GetById(item.QuestionId);
maxMarks = maxMarks + ques.Marks;
}
int marks = 0;
foreach (var item in responses)
{
var ques = _questionRepo.GetById(item.QuestionId);
if (ques.Answer == item.Answer)
{
marks = marks + ques.Marks;
}
}
//calculating percentage
var per = (double)marks / (double)maxMarks * 100;
var scoreCard = new ScoreCard()
{
MarksScored = marks,
MaxMarks = maxMarks,
Percentage = per
};
return(scoreCard);
}
/// <summary>
/// get question for giving test
/// </summary>
/// <param name="testId"></param>
/// <param name="no"></param>
/// <returns>question</returns>
public QuesGiveTestViewModel GetQuestionForGivingTest(int testId, int no)
{
no = --no;
//get current question for student to attempt
var testQues = _testQuesRepo.GetByTestId(testId).Skip(no).Take(1).First();
var question = _questionRepo.GetById(testQues.QuestionId);
var quesForTest = new QuesGiveTestViewModel()
{
Id = question.Id,
OptionA = question.OptionA,
OptionB = question.OptionB,
OptionC = question.OptionC,
OptionD = question.OptionD,
QuesSting = question.QuesString,
Time = question.Time,
Marks = question.Marks,
TestId = testId
};
return(quesForTest);
}
public List <TestQues> GetTestQuesByTestId(int testId)
{
return(_testQuesRepo.GetByTestId(testId));
}