public MultiTest CreateNoSameMultiTest(MultiTest test, object classForMultiTest, Dictionary <int, List <Tuple <QuestionLevel, int> > > questionsNo, int copyNos, int totalQuestion, int purpose, double moreTime, out string message)
{
test.CreatedBy = UserService.CurrentUser.CurrentUser.Username;
test.CreatedDate = DateTime.Now;
test.UpdatedBy = test.CreatedBy;
test.UpdatedDate = DateTime.Now;
test.IsMixedTest = false;
if (classForMultiTest != null)
{
test.FK_ClassId = (int)classForMultiTest;
}
var allQuestions = m_questionService.GetPurposeQuestions(purpose);
var questionsTmp = new List <Question>();
for (int i = 0; i < copyNos; i++)
{
var questionsPerSubTest = GetRandomQuestionPerSubTest(questionsNo, allQuestions);
questionsTmp.AddRange(questionsPerSubTest);
var structure = new XDocument(new XElement("MultiTestCopy"));
int k = 0;
foreach (var question in questionsPerSubTest)
{
var answers = m_questionService.GetAnswerOfQuestion(question.QuestionId);
var answerList = new List <XElement>();
for (int j = 0; j < answers.Count; j++)
{
var answerElement = new XElement("A", new XAttribute("aOrder", j + 1), new XAttribute("aId", answers[j].AnswerId));
answerList.Add(answerElement);
}
structure.Element("MultiTestCopy")
.Add(new XElement("Q", new XAttribute("qOrder", ++k), new XAttribute("qId", question.QuestionId),
answerList));
}
MultiTestCopy tc = new MultiTestCopy();
//tc.MultiTest = test;
tc.MultiTestCopyStructure = structure.ToString();
test.MultiTestCopies.Add(tc);
}
foreach (Question question in questionsTmp)
{
var mtq = new MultiTestQuestion();
mtq.Question = question;
//mtq.MultiTest = test;
test.MultiTestQuestions.Add(mtq);
}
message = string.Empty;
return(test);
}
public MultiTest CreateMultiTest(MultiTest test, object classForMultiTest, Dictionary <int, List <Tuple <QuestionLevel, int> > > questionsNo, int copyNos, int totalQuestion, int purpose, double moreTime, out string message)
{
List <Question> questions = new List <Question>();
foreach (int subjectId in questionsNo.Keys)
{
foreach (var questionNo in questionsNo[subjectId])
{
questions.AddRange(RandomQuestion(subjectId, questionNo.Item1, questionNo.Item2, purpose));
}
}
test.CreatedBy = UserService.CurrentUser.CurrentUser.Username;
test.CreatedDate = DateTime.Now;
test.UpdatedBy = test.CreatedBy;
test.UpdatedDate = DateTime.Now;
test.IsMixedTest = false;
if (classForMultiTest != null)
{
test.FK_ClassId = (int)classForMultiTest;
}
foreach (Question question in questions)
{
MultiTestQuestion mtq = new MultiTestQuestion();
mtq.Question = question;
//mtq.MultiTest = test;
test.MultiTestQuestions.Add(mtq);
}
// create test copy
List <long> questionIds = questions.Select(q => q.QuestionId).ToList();
Random ran = new Random();
int max = 1000;
for (int count = 0; count < copyNos; count++)
{
XDocument structure = new XDocument(new XElement("MultiTestCopy"));
for (int i = 0; i < max; i++)
{
int index = ran.Next(questionIds.Count - 1);
long item = questionIds[i % questionIds.Count];
questionIds[i % questionIds.Count] = questionIds[index];
questionIds[index] = item;
}
for (int i = 0; i < questionIds.Count; i++)
{
List <Answer> answers = m_questionService.GetAnswerOfQuestion(questionIds[i]);
List <XElement> answerList = new List <XElement>();
for (int j = 0; j < answers.Count; j++)
{
XElement answerElement = new XElement("A", new XAttribute("aOrder", j + 1), new XAttribute("aId", answers[j].AnswerId));
answerList.Add(answerElement);
}
structure.Element("MultiTestCopy")
.Add(new XElement("Q", new XAttribute("qOrder", i + 1), new XAttribute("qId", questionIds[i]),
answerList));
}
MultiTestCopy tc = new MultiTestCopy();
//tc.MultiTest = test;
tc.MultiTestCopyStructure = structure.ToString();
test.MultiTestCopies.Add(tc);
}
double realTestTime = questions.Sum(q => q.Time);
if (realTestTime > test.Time + moreTime)
{
message = "Thời gian chính xác để hoàn thành bài thi là: " + realTestTime +
"\nThời gian thi do người dùng cài đặt là: " + test.Time +
".\nThời gian chênh lệch: " + Math.Abs(realTestTime - test.Time) +
"\nBạn có muốn tiếp tục tạo đề thi không?";
}
else
{
message = "Thời gian chính xác để hoàn thành bài thi là: " + realTestTime +
"\nThời gian thi do người dùng cài đặt là: " + test.Time +
".\nThời gian chênh lệch: " + Math.Abs(realTestTime - test.Time) +
"\nBạn có muốn tiếp tục tạo đề thi không?";
}
return(test);
}