private Slide GetInitialSlideForStartup(string courseId, IEnumerable <Unit> visibleUnits)
{
var userId = User.Identity.GetUserId();
var visitedIds = visitsRepo.GetIdOfVisitedSlides(courseId, userId);
var visibleSlides = visibleUnits.SelectMany(u => u.Slides).ToList();
var lastVisited = visibleSlides.LastOrDefault(slide => visitedIds.Contains(slide.Id));
if (lastVisited == null)
{
return(visibleSlides.Any() ? visibleSlides.First() : null);
}
var unitSlides = lastVisited.Info.Unit.Slides.Where(s => visibleSlides.Contains(s)).ToList();
var lastVisitedSlide = unitSlides.First();
foreach (var slide in unitSlides)
{
if (visitedIds.Contains(slide.Id))
{
lastVisitedSlide = slide;
}
else
{
return(lastVisitedSlide);
}
}
return(lastVisitedSlide);
}
private Slide GetInitialSlideForStartup(string courseId, List <Unit> orderedVisibleUnits, bool isInstructor)
{
var userId = User.Identity.GetUserId();
var lastVisit = visitsRepo.FindLastVisit(courseId, userId);
var orderedVisibleSlides = orderedVisibleUnits.SelectMany(u => u.GetSlides(isInstructor)).ToList();
if (lastVisit != null)
{
var lastVisitedSlide = orderedVisibleSlides.FirstOrDefault(s => s.Id == lastVisit.SlideId);
if (lastVisitedSlide != null)
{
return(lastVisitedSlide);
}
if (isInstructor)
{
var instructorNoteSlide = orderedVisibleUnits.FirstOrDefault(u => u.Id == lastVisit.SlideId)?.InstructorNote?.Slide;
if (instructorNoteSlide != null)
{
return(instructorNoteSlide);
}
}
}
var unorderedVisitedIds = visitsRepo.GetIdOfVisitedSlides(courseId, userId);
var lastVisitedVisibleSlide = orderedVisibleSlides.LastOrDefault(slide => unorderedVisitedIds.Contains(slide.Id));
if (lastVisitedVisibleSlide != null)
{
return(lastVisitedVisibleSlide);
}
return(orderedVisibleSlides.Any() ? orderedVisibleSlides.First() : null);
}
private int GetInitialIndexForStartup(string courseId, Course course, List <string> visibleUnits)
{
var userId = User.Identity.GetUserId();
var visitedIds = visitsRepo.GetIdOfVisitedSlides(courseId, userId);
var visibleSlides = course.Slides.Where(slide => visibleUnits.Contains(slide.Info.UnitName)).OrderBy(slide => slide.Index).ToList();
var lastVisited = visibleSlides.LastOrDefault(slide => visitedIds.Contains(slide.Id));
if (lastVisited == null)
{
return(visibleSlides.Any() ? visibleSlides.First().Index : 0);
}
var slides = visibleSlides.Where(slide => lastVisited.Info.UnitName == slide.Info.UnitName).ToList();
var lastVisitedSlide = slides.First().Index;
foreach (var slide in slides)
{
if (visitedIds.Contains(slide.Id))
{
lastVisitedSlide = slide.Index;
}
else
{
return(lastVisitedSlide);
}
}
return(lastVisitedSlide);
}
private TocModel CreateTocModel(Course course, Guid?currentSlideId, string userId)
{
var visibleUnits = unitsRepo.GetVisibleUnits(course, User);
var visited = visitsRepo.GetIdOfVisitedSlides(course.Id, userId);
var scoresForSlides = visitsRepo.GetScoresForSlides(course.Id, userId);
var solvedSlidesIds = ControllerUtils.GetSolvedSlides(solutionsRepo, userQuizzesRepo, course, userId);
var slidesWithUsersManualChecking = visitsRepo.GetSlidesWithUsersManualChecking(course.Id, userId).ToImmutableHashSet();
var enabledManualCheckingForUser = groupsRepo.IsManualCheckingEnabledForUser(course, userId);
Func <Slide, int> getSlideMaxScoreFunc = s => ControllerUtils.GetMaxScoreForUsersSlide(s, solvedSlidesIds.Contains(s.Id), slidesWithUsersManualChecking.Contains(s.Id), enabledManualCheckingForUser);
var userGroupsIds = groupsRepo.GetUserGroupsIds(course.Id, userId);
var enabledScoringGroupsIds = groupsRepo.GetEnabledAdditionalScoringGroups(course.Id)
.Where(e => userGroupsIds.Contains(e.GroupId))
.Select(e => e.ScoringGroupId)
.ToList();
var additionalScores = additionalScoresRepo.GetAdditionalScoresForUser(course.Id, userId);
var builder = new TocModelBuilder(
s => Url.RouteUrl("Course.SlideById", new { courseId = course.Id, slideId = s.Url }),
s => scoresForSlides.ContainsKey(s.Id) ? scoresForSlides[s.Id] : 0,
getSlideMaxScoreFunc,
(u, g) => additionalScores.GetOrDefault(Tuple.Create(u.Id, g.Id), 0),
course,
currentSlideId)
{
GetUnitInstructionNotesUrl = unit => Url.Action("InstructorNote", "Course", new { courseId = course.Id, unitId = unit.Id }),
GetUnitStatisticsUrl = unit => Url.Action("UnitStatistics", "Analytics", new { courseId = course.Id, unitId = unit.Id }),
IsInstructor = User.HasAccessFor(course.Id, CourseRole.Instructor),
IsSolved = s => solvedSlidesIds.Contains(s.Id),
IsVisited = s => visited.Contains(s.Id),
IsUnitVisible = visibleUnits.Contains,
IsSlideHidden = s => s is QuizSlide && ((QuizSlide)s).ManualChecking &&
!enabledManualCheckingForUser && !solvedSlidesIds.Contains(s.Id),
EnabledScoringGroupsIds = enabledScoringGroupsIds,
};
var userGroups = groupsRepo.GetUserGroups(course.Id, User.Identity.GetUserId());
var tocGroupsForStatistics = userGroups.Select(g => new TocGroupForStatistics
{
GroupName = g.Name,
StatisticsUrl = Url.Action("CourseStatistics", "Analytics", new { courseId = course.Id, group = g.Id })
});
var toc = builder.CreateTocModel(tocGroupsForStatistics.ToList());
toc.NextUnitTime = unitsRepo.GetNextUnitPublishTime(course.Id);
return(toc);
}
private TocModel CreateTocModel(Course course, int slideIndex, string userId)
{
var visibleUnits = unitsRepo.GetVisibleUnits(course.Id, User);
var solved = GetSolvedSlides(course, userId);
var visited = visitsRepo.GetIdOfVisitedSlides(course.Id, userId);
var scoresForSlides = visitsRepo.GetScoresForSlides(course.Id, userId);
var builder = new TocModelBuilder(
s => Url.Action("Slide", "Course", new { courseId = course.Id, slideIndex = s.Index }),
s => scoresForSlides.ContainsKey(s.Id) ? scoresForSlides[s.Id] : 0,
course,
slideIndex);
builder.GetUnitInstructionNotesUrl = unitName => Url.Action("InstructorNote", "Course", new { courseId = course.Id, unitName });
builder.GetUnitStatisticsUrl = unitName => Url.Action("UnitStatistics", "Analytics", new { courseId = course.Id, unitName });
builder.IsInstructor = User.HasAccessFor(course.Id, CourseRole.Instructor);
builder.IsSolved = s => solved.Contains(s.Id);
builder.IsVisited = s => visited.Contains(s.Id);
builder.IsUnitVisible = visibleUnits.Contains;
var toc = builder.CreateTocModel();
toc.NextUnitTime = unitsRepo.GetNextUnitPublishTime(course.Id);
return(toc);
}