public IActionResult Index(Enumerations.PageAction pageAction, int?lessonId)
{
UserSessionContext userContext = new UserSessionContext(this.HttpContext);
var lessonModel = new LessonViewModel(this.HttpContext);
LessonBusiness businessManager = new LessonBusiness(DbContext);
SearchViewModel userSearch = new SearchViewModel();
//Set Lesson List search based on page action
switch (pageAction)
{
case Enumerations.PageAction.Submit:
//Show only current user's draft lessons
userSearch = new SearchViewModel {
OwnerSid = userContext.CurrentUser.Sid, Status = (int?)Enumerations.LessonStatus.Draft
};
break;
case Enumerations.PageAction.Edit:
//Show only editable lessons
userSearch = new SearchViewModel {
ShowEditableOnly = true
};
break;
case Enumerations.PageAction.Search:
//Show the last search
userSearch = userContext.LastSearch;
break;
case Enumerations.PageAction.MyLessons:
//Show all owned lessons (or filtered lessons of comming from dashboard)
userSearch = (SearchViewModel)TempData["MyLessonModel"] ?? new SearchViewModel {
ShowOnlyOwnedLessons = true
};
break;
default:
throw new ArgumentOutOfRangeException("pageAction");
}
if (TempData.ContainsKey("Lesson"))
{
//Existing lesson (Edit Validation)
lessonModel = (LessonViewModel)TempData["Lesson"];
}
else if (lessonId.HasValue &&
(pageAction == Enumerations.PageAction.Edit || pageAction == Enumerations.PageAction.Submit))
{
//Existing Lesson (Edit Existing)
var lesson = businessManager.GetLessonById(lessonId.Value);
lessonModel = LessonViewModel.ToViewModel(this.HttpContext, lesson);
if (!Utils.IsLessonVisible(lessonModel, userContext.CurrentUser))
{
return(RedirectToAction("Search"));
}
}
else
{
if (pageAction != Enumerations.PageAction.Edit)
{
if (lessonId.HasValue)
{
//Submit with "Save Changes", leave on submit tab with the recently added lesson
var lesson = businessManager.GetLessonById(lessonId.Value);
lessonModel = LessonViewModel.ToViewModel(this.HttpContext, lesson);
}
else
{
//New Lesson (Submit)
lessonModel = userContext.DraftDefaults;
}
}
else
{
int unused = 0;
//Edit / Review, set to first lesson in search list
var lesson = businessManager.GetLessonsPaged(userContext.CurrentUser, userSearch, false, true, 0, 1, out unused).FirstOrDefault();
lessonModel = LessonViewModel.ToViewModel(this.HttpContext, lesson);
if (lesson != null)
{
lessonId = lesson.Id;
}
else
{
ViewBag.NothingToEdit = true;
}
}
}
lessonModel.ReturnToAction = pageAction;
var submittedUsers = businessManager.GetSubmittedByUsers();
ViewBag.SubmittedByUsers = submittedUsers;
userContext.LastSystemSearch = userSearch;
LessonIndexViewModel model = new LessonIndexViewModel(this.HttpContext)
{
PageAction = pageAction,
LessonId = lessonId,
Lesson = lessonModel,
SearchModel = userSearch
};
return(View("Index", model));
}