private void GetCorrectAnswersFromQuestions()
{
uint numberQuestion = 1;
foreach (Question question in Questions)
{
List <string> answers = new List <string>()
{
question.Answer1, question.Answer2, question.Answer3, question.Answer4,
question.Answer5, question.Answer6, question.Answer7, question.Answer8
};
List <bool> answersBool = new List <bool>()
{
question.Answer1Bool == true?true:false, question.Answer2Bool == true?true:false, question.Answer3Bool == true?true:false, question.Answer4Bool == true?true:false,
question.Answer5Bool == true?true:false, question.Answer6Bool == true?true:false, question.Answer7Bool == true?true:false, question.Answer8Bool == true?true:false
};
List <string> ansCor = new List <string>();
for (int i = 0; i < answersBool.Count; i++)
{
if (answersBool[i])
{
ansCor.Add(answers[i]);
}
}
AllAnswers.Add(numberQuestion, answers);
CorrectAnswers.Add(numberQuestion, answersBool);
AnswersCorrect.Add(numberQuestion, ansCor);
numberQuestion++;
}
}
public async Task SetCurrentTestResults(int?id)
{
try
{
// I. Clear controller properties for processing a test period.
//TestPeriod = 0;
//StartTestTime = null;
// II. Check.
OperationDetails operationDetails;
string currentUserId = System.Web.HttpContext.Current.User.Identity.GetUserId();
if (currentUserId == null || AllAnswers.Count == 0 || UserAnswers.Count == 0)
{
return;
}
// III.Get the test result.
operationDetails = PLRepository.CalculateTestResults(AllAnswers, UserAnswers, TestQuetions, out TestResultViewModel testResult);
if (!operationDetails.Succedeed)
{
return;
}
// Is the test passed?
int firstQuestionId = AllAnswers.FirstOrDefault().Key;
CourseDTO courseDTO = (await QuestionService.GetAsync(firstQuestionId)).Topic.Course;
testResult.IsPassedTest = testResult.Result > testResult.MaxScore * courseDTO.PassingScore / 100;
// IV. Write the test results to DB.
operationDetails = await SaveCurrentTestResults(id, currentUserId, testResult);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
// Use this for initialization
void Start()
{
injector = this.GetComponent <QuizInjector> ();
qea = this.GetComponent <AllAnswers> ();
var idLevel = PlayerPrefs.GetInt("idLevel");
var quiz = injector.quizes [idLevel - 1 < 0 ? 0 : idLevel - 1];
foreach (var question in quiz.questions)
{
qea.questions.Add(question.text);
qea.alternativeA.Add(question.answerA);
qea.alternativeB.Add(question.answerB);
qea.alternativeC.Add(question.answerC);
qea.alternativeD.Add(question.answerD);
qea.corrects.Add(question.textFromCorrectAnswer());
}
}
// Get test results.
public async Task <ActionResult> GetCurrentTestResults(int?id)
{
try
{
// I. Clear controller properties for processing a test period.
TestPeriod = 0;
StartTestTime = null;
// II. Check.
if (AllAnswers.Count == 0 || UserAnswers.Count == 0)
{
return(RedirectToAction("Index"));
}
// III.Get the test result.
OperationDetails operationDetails = PLRepository.CalculateTestResults(AllAnswers, UserAnswers, TestQuetions, out TestResultViewModel testResult);
if (!operationDetails.Succedeed)
{
return(View("Report", operationDetails));
}
// Is the test passed?
int firstQuestionId = AllAnswers.FirstOrDefault().Key;
CourseDTO courseDTO = (await QuestionService.GetAsync(firstQuestionId)).Topic.Course;
testResult.IsPassedTest = testResult.Result > testResult.MaxScore * courseDTO.PassingScore / 100;
// Set ViewBag property for a View.
ViewBag.CourseName = courseDTO.CourseTitle;
// IV.Set testResult properies (Result, MaxScore and TestResultDetails).
testResult.Result = testResult.Result * 1000 / testResult.MaxScore;
testResult.MaxScore = 1000;
foreach (var item in testResult.TestResultDetails)
{
item.Topic = (await QuestionService.GetAsync(item.QuestionId)).Topic.TopicTitle;
item.Question = (await QuestionService.GetAsync(item.QuestionId)).QuestionText;
}
// V.
return(View(testResult));
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
// Start a topic test.
public async Task <ActionResult> TopicTest(int?id)
{
try
{
// I.Checks.
// Check id.
if (!int.TryParse(id.ToString(), out int intId))
{
return(RedirectToAction("Index"));
}
// Get courseDTO object.
TopicDTO topicDTO = await TopicService.GetAsync(intId);
if (topicDTO == null)
{
return(RedirectToAction("Index"));
}
//Get courseDTO object.
CourseDTO courseDTO = await CourseService.GetAsync(topicDTO.CourseId);
if (courseDTO == null)
{
return(RedirectToAction("Index"));
}
// II. Set ViewBag properties.
ViewBag.CourseName = courseDTO.CourseTitle;
ViewBag.TopicName = topicDTO.TopicTitle;
ViewBag.TopicId = intId;
// III. AutoMapper Setup.
var config = new MapperConfiguration(cfg =>
{
cfg.CreateMap <QuestionDTO, UserQuestionAnswersViewModel>()
.ForMember("Question", opt => opt.MapFrom(obj => obj.QuestionText))
.ForMember("AnswerType", opt => opt.MapFrom(obj => obj.AnswerType.AnswerTypeDescription))
.ForMember("AvailableUserAnswers", opt => opt.MapFrom(obj => obj.Answers))
.ForMember("QuestionWeight", opt => opt.MapFrom(obj => obj.QuestionWeight))
.ForMember(q => q.SelectedUserAnswers, option => option.Ignore())
.ForMember(q => q.PostedUserAnswers, option => option.Ignore());
cfg.CreateMap <AnswerDTO, UserAnswer>()
.ForMember("Id", opt => opt.MapFrom(obj => obj.AnswerId))
.ForMember("Answer", opt => opt.MapFrom(obj => obj.AnswerText))
.ForMember("IsSelected", opt => opt.MapFrom(obj => obj.IsProper));
});
IMapper iMapper = config.CreateMapper();
// IV. Get data for a view.
IList <QuestionDTO> source = await TestingService.GetRandomQuestionsForTopic(intId);
IEnumerable <UserQuestionAnswersViewModel> topicTestQuestionList = iMapper.Map <IEnumerable <QuestionDTO>, IEnumerable <UserQuestionAnswersViewModel> >(source);
// V. Set properties: TestQuetions, AllAnswers and UserAnswers.
TestQuetions = topicTestQuestionList.ToList();
AllAnswers.Clear();
UserAnswers.Clear();
foreach (var item in topicTestQuestionList)
{
AllAnswers[item.QuestionId] = item.AvailableUserAnswers.ToList();
UserAnswers[item.QuestionId] = new List <UserAnswer>();
}
// VI. Set Timer.
TestPeriod = courseDTO.TimeToAnswerOneQuestion * topicTestQuestionList.Count();
StartTestTime = DateTime.Now;
// VII.
return(View(topicTestQuestionList));
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}