public async Task <ViewResult> AcceptedSolutions(string courseId, int slideIndex = 0, bool isLti = false)
{
var userId = User.Identity.GetUserId();
var course = courseManager.GetCourse(courseId);
var slide = (ExerciseSlide)course.Slides[slideIndex];
var isPassed = visitsRepo.IsPassed(slide.Id, userId);
if (!isPassed)
{
await visitsRepo.SkipSlide(courseId, slide.Id, userId);
}
var solutions = solutionsRepo.GetAllAcceptedSolutions(courseId, slide.Id);
foreach (var solution in solutions)
{
solution.LikedAlready = solution.UsersWhoLike.Any(u => u == userId);
solution.RemoveSolutionUrl = Url.Action("RemoveSolution", "Course", new { courseId = courseId, slideIndex = slide.Index, solutionId = solution.Id });
}
var model = new AcceptedSolutionsPageModel
{
CourseId = courseId,
CourseTitle = course.Title,
Slide = slide,
AcceptedSolutions = solutions,
User = User,
LikeSolutionUrl = Url.Action("LikeSolution"),
IsLti = isLti,
IsPassed = isPassed
};
return(View(model));
}
private async Task <AcceptedSolutionsPageModel> CreateAcceptedSolutionsModel(Course course, ExerciseSlide slide, bool isLti)
{
var userId = User.Identity.GetUserId();
var isPassed = visitsRepo.IsPassed(course.Id, slide.Id, userId);
if (!isPassed)
{
await visitsRepo.SkipSlide(course.Id, slide.Id, userId);
}
var submissions = solutionsRepo.GetBestTrendingAndNewAcceptedSolutions(course.Id, slide.Id);
foreach (var submission in submissions)
{
submission.LikedAlready = submission.UsersWhoLike.Any(u => u == userId);
submission.RemoveSolutionUrl = Url.Action("RemoveSubmission", "Course", new { course.Id, slideId = slide.Id, submissionId = submission.Id });
}
var model = new AcceptedSolutionsPageModel
{
CourseId = course.Id,
CourseTitle = course.Title,
Slide = slide,
AcceptedSolutions = submissions,
User = User,
LikeSolutionUrl = Url.Action("LikeSolution"),
IsLti = isLti,
IsPassed = isPassed
};
return(model);
}
public async Task <string> SubmitQuiz(string courseId, string slideIndex, string answer, bool isLti)
{
var intSlideIndex = int.Parse(slideIndex);
var course = courseManager.GetCourse(courseId);
var userId = User.Identity.GetUserId();
var slide = course.Slides[intSlideIndex];
var slideId = slide.Id;
if (visitsRepo.IsPassed(userId, slideId))
{
return("already answered");
}
var time = DateTime.Now;
var answers = JsonConvert.DeserializeObject <List <QuizAnswer> >(answer).GroupBy(x => x.QuizId);
var quizBlockWithTaskCount = course.Slides[intSlideIndex].Blocks.Count(x => x is AbstractQuestionBlock);
var incorrectQuizzes = new List <string>();
var fillInBlockType = typeof(FillInBlock);
var allQuizInfos = new List <QuizInfoForDb>();
foreach (var ans in answers)
{
var quizInfos = CreateQuizInfo(course, intSlideIndex, ans);
foreach (var quizInfo in quizInfos)
{
allQuizInfos.Add(quizInfo);
if (!quizInfo.IsRightAnswer && quizInfo.QuizType == fillInBlockType)
{
incorrectQuizzes.Add(ans.Key);
}
}
}
var blocksInAnswerCount = allQuizInfos.Select(x => x.QuizId).Distinct().Count();
if (blocksInAnswerCount != quizBlockWithTaskCount)
{
return("has empty blocks");
}
var score = allQuizInfos
.Where(forDb => forDb.IsRightQuizBlock)
.Select(forDb => forDb.QuizId)
.Distinct()
.Count();
foreach (var quizInfoForDb in allQuizInfos)
{
await userQuizzesRepo.AddUserQuiz(courseId, quizInfoForDb.IsRightAnswer, quizInfoForDb.ItemId, quizInfoForDb.QuizId,
slideId, quizInfoForDb.Text, userId, time, quizInfoForDb.IsRightQuizBlock);
}
await visitsRepo.AddAttempt(slideId, userId, score);
if (isLti)
{
LtiUtils.SubmitScore(slide, userId);
}
return(string.Join("*", incorrectQuizzes.Distinct()));
}
