private TocModel CreateGuestTocModel(Course course, int slideIndex)
{
var visibleUnits = unitsRepo.GetVisibleUnits(course.Id, User);
var builder = new TocModelBuilder(
s => Url.Action("Slide", "Course", new { courseId = course.Id, slideIndex = s.Index }),
s => 0,
course,
slideIndex);
builder.IsInstructor = false;
builder.IsVisited = s => false;
builder.IsUnitVisible = visibleUnits.Contains;
var toc = builder.CreateTocModel();
toc.NextUnitTime = unitsRepo.GetNextUnitPublishTime(course.Id);
return(toc);
}
private TocModel CreateGuestTocModel(Course course, Guid?currentSlideId)
{
var visibleUnits = unitsRepo.GetVisibleUnits(course, User);
var builder = new TocModelBuilder(
s => Url.RouteUrl("Course.SlideById", new { courseId = course.Id, slideId = s.Url }),
s => 0,
s => 0,
(u, g) => 0,
course,
currentSlideId)
{
IsInstructor = false,
IsVisited = s => false,
IsUnitVisible = visibleUnits.Contains,
IsSlideHidden = s => s is QuizSlide && ((QuizSlide)s).ManualChecking
};
var toc = builder.CreateTocModel();
toc.NextUnitTime = unitsRepo.GetNextUnitPublishTime(course.Id);
return(toc);
}
public async Task <ActionResult> Slide(string courseId, int slideIndex = -1)
{
if (string.IsNullOrWhiteSpace(courseId))
{
return(RedirectToAction("Index", "Home"));
}
var visibleUnits = unitsRepo.GetVisibleUnits(courseId, User);
var isGuest = !User.Identity.IsAuthenticated;
var model = isGuest ?
CreateGuestCoursePageModel(courseId, slideIndex, visibleUnits) :
await CreateCoursePageModel(courseId, slideIndex, visibleUnits);
if (!visibleUnits.Contains(model.Slide.Info.UnitName))
{
throw new Exception("Slide is hidden " + slideIndex);
}
return(View(model));
}
public async Task <ActionResult> SlideById(string courseId, string slideId = "", int?checkQueueItemId = null, int?version = null, int autoplay = 0)
{
if (slideId.Contains("_"))
{
slideId = slideId.Substring(slideId.LastIndexOf('_') + 1);
}
var groupsIds = Request.GetMultipleValuesFromQueryString("group");
if (!Guid.TryParse(slideId, out var slideGuid))
{
return(HttpNotFound());
}
if (string.IsNullOrWhiteSpace(courseId))
{
if (string.IsNullOrWhiteSpace(slideId))
{
return(RedirectToAction("Index", "Home"));
}
return(RedirectToSlideById(slideGuid));
}
var course = courseManager.FindCourse(courseId);
if (course == null)
{
return(HttpNotFound());
}
var visibleUnits = unitsRepo.GetVisibleUnits(course, User);
var isGuest = !User.Identity.IsAuthenticated;
var slide = slideGuid == Guid.Empty ? GetInitialSlideForStartup(courseId, visibleUnits) : course.FindSlideById(slideGuid);
if (slide == null)
{
return(HttpNotFound());
}
AbstractManualSlideChecking queueItem = null;
var isManualCheckingReadonly = false;
if (User.HasAccessFor(courseId, CourseRole.Instructor) && checkQueueItemId != null)
{
if (slide is QuizSlide)
{
queueItem = slideCheckingsRepo.FindManualCheckingById <ManualQuizChecking>(checkQueueItemId.Value);
}
if (slide is ExerciseSlide)
{
queueItem = slideCheckingsRepo.FindManualCheckingById <ManualExerciseChecking>(checkQueueItemId.Value);
}
if (queueItem == null)
{
/* It's possible when checking has not been fully checked, lock has been released, but after it user re-send his solution and we removed old waiting checking */
var fakeQueueItem = slide is QuizSlide ? (AbstractManualSlideChecking) new ManualQuizChecking() : new ManualExerciseChecking();
return(RedirectToAction("CheckingQueue", "Admin", new
{
courseId = courseId,
message = "checking_removed"
}));
}
}
var model = isGuest ?
CreateGuestCoursePageModel(course, slide, autoplay > 0) :
await CreateCoursePageModel(course, slide, queueItem, version, groupsIds, autoplay > 0, isManualCheckingReadonly);
if (!string.IsNullOrEmpty(Request.QueryString["error"]))
{
model.Error = Request.QueryString["error"];
}
if (!visibleUnits.Contains(model.Slide.Info.Unit))
{
return(HttpNotFound("Slide is hidden " + slideGuid));
}
return(View("Slide", model));
}
public async Task <ActionResult> SlideById(string courseId, string slideId = "", int?checkQueueItemId = null, int?version = null, int autoplay = 0)
{
if (slideId.Contains("_"))
{
slideId = slideId.Substring(slideId.LastIndexOf('_') + 1);
}
var groupsIds = Request.GetMultipleValues("group");
Guid slideGuid;
if (!Guid.TryParse(slideId, out slideGuid))
{
return(HttpNotFound());
}
if (string.IsNullOrWhiteSpace(courseId))
{
if (string.IsNullOrWhiteSpace(slideId))
{
return(RedirectToAction("Index", "Home"));
}
return(RedirectToSlideById(slideGuid));
}
var course = courseManager.FindCourse(courseId);
if (course == null)
{
return(HttpNotFound());
}
var visibleUnits = unitsRepo.GetVisibleUnits(course, User);
var isGuest = !User.Identity.IsAuthenticated;
var slide = slideGuid == Guid.Empty ? GetInitialSlideForStartup(courseId, course, visibleUnits) : course.FindSlideById(slideGuid);
if (slide == null)
{
return(HttpNotFound());
}
AbstractManualSlideChecking queueItem = null;
var isManualCheckingReadonly = false;
if (User.HasAccessFor(courseId, CourseRole.Instructor) && checkQueueItemId != null)
{
if (slide is QuizSlide)
{
queueItem = slideCheckingsRepo.FindManualCheckingById <ManualQuizChecking>(checkQueueItemId.Value);
}
if (slide is ExerciseSlide)
{
queueItem = slideCheckingsRepo.FindManualCheckingById <ManualExerciseChecking>(checkQueueItemId.Value);
}
if (queueItem == null)
{
return(HttpNotFound());
}
/* If lock time is finished */
if (!queueItem.IsLockedBy(User.Identity) && queueItem.HasLastLockedBy(User.Identity))
{
return(RedirectToAction(GetAdminQueueActionName(queueItem), "Admin", new
{
CourseId = courseId,
group = string.Join(",", groupsIds),
done = queueItem.IsChecked,
message = "time_is_over",
}));
}
/* If it's not locked then lock them! */
if (!queueItem.IsLocked)
{
return(RedirectToAction(GetAdminCheckActionName(queueItem), "Admin", new
{
CourseId = courseId,
group = string.Join(",", groupsIds),
id = queueItem.Id,
recheck = true
}));
}
if (queueItem.IsLocked && !queueItem.IsLockedBy(User.Identity))
{
isManualCheckingReadonly = true;
}
}
var model = isGuest ?
CreateGuestCoursePageModel(course, slide, autoplay > 0) :
await CreateCoursePageModel(course, slide, queueItem, version, groupsIds, autoplay > 0, isManualCheckingReadonly);
if (!string.IsNullOrEmpty(Request.QueryString["error"]))
{
model.Error = Request.QueryString["error"];
}
if (!visibleUnits.Contains(model.Slide.Info.Unit))
{
return(HttpNotFound("Slide is hidden " + slideGuid));
}
return(View("Slide", model));
}
