private bool TestWasSentOnTime(TestStat startTestData, TestStatDTO endTestData)
{
int testDurMin = startTestData.Test.DurationMin;
int actualTestDurMin = (endTestData.EndTime - DateTime.Now).Minutes - 1;
return(actualTestDurMin <= testDurMin);
}
public void StartTest(TestStatDTO startTestData)
{
_unitOfWork.TestStatistics.DeleteNotFinishedTestStatisticsByUserId(startTestData.UserId);
startTestData.StartTime = DateTime.Now;
TestStat stat = _mapper.Map <TestStat>(startTestData);
_unitOfWork.TestStatistics.Add(stat);
_unitOfWork.SaveChanges();
}
public IHttpActionResult StartTest([FromBody] StartTestBindingModel stat)
{
TestStatDTO newTestStat = new TestStatDTO()
{
TestId = stat.TestId,
UserId = int.Parse(User.Identity.GetUserId()),
};
_testStatService.StartTest(newTestStat);
return(this.Ok());
}
public IHttpActionResult SaveCompletedTest([FromBody] FinishTestBindingModel stat)
{
TestStatDTO testStat = new TestStatDTO()
{
TestId = stat.TestId,
UserId = int.Parse(User.Identity.GetUserId()),
Answers = stat.Answers
};
_testStatService.SaveCompletedTest(testStat);
return(this.Ok());
}
public void SaveCompletedTest(TestStatDTO endTestData)
{
endTestData.Result = this.CalculateTestResult(endTestData);
TestStat startedTestData = _unitOfWork.TestStatistics.GetNotFinishedTestByUserId(endTestData.UserId);
if (this.TestWasSentOnTime(startedTestData, endTestData))
{
startedTestData.Result = endTestData.Result;
startedTestData.EndTime = DateTime.Now;
startedTestData.Answers = _mapper.Map <ICollection <Answer> >(endTestData.Answers);
_unitOfWork.TestStatistics.Update(startedTestData);
_unitOfWork.SaveChanges();
}
}
private int CalculateTestResult(TestStatDTO entity)
{
List <Question> allQuestions = (List <Question>)_unitOfWork.Questions.GetQuestionsWithOptionsByTestId(entity.TestId);
int numOfRightAnsw = 0;
foreach (AnswerDTO answer in entity.Answers)
{
answer.PointValue = this.GetPointForAnswer(answer, allQuestions);
if (answer.PointValue == 1)
{
numOfRightAnsw++;
}
}
return(numOfRightAnsw * 100 / entity.Answers.Count);
}