public async Task <ActionResult> SubmitQuiz(string courseId, Guid slideId, string answer, bool isLti)
{
metricSender.SendCount("quiz.submit");
if (isLti)
{
metricSender.SendCount("quiz.submit.lti");
}
metricSender.SendCount($"quiz.submit.{courseId}");
metricSender.SendCount($"quiz.submit.{courseId}.{slideId}");
var course = courseManager.GetCourse(courseId);
var slide = course.FindSlideById(slideId) as QuizSlide;
if (slide == null)
{
return(new HttpNotFoundResult());
}
var userId = User.Identity.GetUserId();
var maxTriesCount = GetMaxAttemptsCount(courseId, slide);
/* Not it's not important what user's score is, so just pass 0 */
var state = GetQuizState(courseId, userId, slideId, 0, slide.MaxScore);
if (!CanUserFillQuiz(state.Status))
{
return(new HttpStatusCodeResult(HttpStatusCode.OK, "Already answered"));
}
var attemptNumber = state.UsedAttemptsCount;
metricSender.SendCount($"quiz.submit.try.{attemptNumber}");
metricSender.SendCount($"quiz.submit.{courseId}.try.{attemptNumber}");
metricSender.SendCount($"quiz.submit.{courseId}.{slideId}.try.{attemptNumber}");
if (slide.ManualChecking && !groupsRepo.IsManualCheckingEnabledForUser(course, userId))
{
return(new HttpStatusCodeResult(HttpStatusCode.OK, "Manual checking is disabled for you"));
}
var answers = JsonConvert.DeserializeObject <List <QuizAnswer> >(answer).GroupBy(x => x.BlockId);
var quizBlockWithTaskCount = slide.Blocks.Count(x => x is AbstractQuestionBlock);
var allQuizInfos = new List <QuizInfoForDb>();
foreach (var ans in answers)
{
var quizInfos = CreateQuizInfo(slide, ans);
if (quizInfos != null)
{
allQuizInfos.AddRange(quizInfos);
}
}
var blocksInAnswerCount = allQuizInfos.Select(x => x.BlockId).Distinct().Count();
if (blocksInAnswerCount != quizBlockWithTaskCount)
{
return(new HttpStatusCodeResult(HttpStatusCode.Forbidden, "Has empty blocks"));
}
UserQuizSubmission submission;
using (var transaction = db.Database.BeginTransaction())
{
submission = await userQuizzesRepo.AddSubmission(courseId, slideId, userId, DateTime.Now).ConfigureAwait(false);
foreach (var quizInfoForDb in allQuizInfos)
{
await userQuizzesRepo.AddUserQuizAnswer(
submission.Id,
quizInfoForDb.IsRightAnswer,
quizInfoForDb.BlockId,
quizInfoForDb.ItemId,
quizInfoForDb.Text,
quizInfoForDb.QuizBlockScore,
quizInfoForDb.QuizBlockMaxScore
).ConfigureAwait(false);
}
transaction.Commit();
}
if (slide.ManualChecking)
{
/* If this quiz is already queued for checking for this user, remove waiting checkings */
if (state.Status == QuizStatus.WaitsForManualChecking)
{
await slideCheckingsRepo.RemoveWaitingManualCheckings <ManualQuizChecking>(courseId, slideId, userId).ConfigureAwait(false);
}
await slideCheckingsRepo.AddManualQuizChecking(submission, courseId, slideId, userId).ConfigureAwait(false);
await visitsRepo.MarkVisitsAsWithManualChecking(courseId, slideId, userId).ConfigureAwait(false);
}
/* Recalculate score for quiz if this attempt is allowed. Don't recalculate score if this attempt number is more then maxTriesCount */
else if (attemptNumber < maxTriesCount)
{
var score = allQuizInfos
.DistinctBy(forDb => forDb.BlockId)
.Sum(forDb => forDb.QuizBlockScore);
metricSender.SendCount($"quiz.submit.try.{attemptNumber}.score", score);
metricSender.SendCount($"quiz.submit.{courseId}.try.{attemptNumber}.score", score);
metricSender.SendCount($"quiz.submit.{courseId}.{slideId}.try.{attemptNumber}.score", score);
metricSender.SendCount($"quiz.submit.score", score);
metricSender.SendCount($"quiz.submit.{courseId}.score", score);
metricSender.SendCount($"quiz.submit.{courseId}.{slideId}.score", score);
if (score == slide.MaxScore)
{
metricSender.SendCount($"quiz.submit.try.{attemptNumber}.full_passed");
metricSender.SendCount($"quiz.submit.{courseId}.try.{attemptNumber}.full_passed");
metricSender.SendCount($"quiz.submit.{courseId}.{slideId}.try.{attemptNumber}.full_passed");
metricSender.SendCount($"quiz.submit.full_passed");
metricSender.SendCount($"quiz.submit.{courseId}.full_passed");
metricSender.SendCount($"quiz.submit.{courseId}.{slideId}.full_passed");
}
await slideCheckingsRepo.AddAutomaticQuizChecking(submission, courseId, slideId, userId, score).ConfigureAwait(false);
await visitsRepo.UpdateScoreForVisit(courseId, slideId, slide.MaxScore, userId).ConfigureAwait(false);
if (isLti)
{
LtiUtils.SubmitScore(courseId, slide, userId);
}
}
return(Json(new
{
url = Url.RouteUrl("Course.SlideById", new { courseId = courseId, slideId = slide.Url, send = 1 })
}));
}
