public ActionResult FilterAttempts(AttemptFilterView view)
{
view.Filters.Quiz = cx.Quizzes.Find(view.Filters.Quiz?.Id);
view.Filters.Group = cx.Groups.Find(view.Filters.Group?.Id);
view.Filters.User = cx.Users.Find(view.Filters.User?.Id);
if (view.Command == "Reset")
{
Session["filters"] = null;
return(PartialView(new AttemptFilters()
{
Page = 1
}.Filter
(
cx,
cx.Users.Find(UserManager.FindByName(User.Identity.Name).Id)
)));
}
if (view.Navigation != null || view.Navigation == "")
{
if (view.Navigation == "Back")
{
view.Filters.Page--;
}
else if (view.Navigation == "Next")
{
view.Filters.Page++;
}
else if (Int32.TryParse(view.Navigation, out int page))
{
view.Filters.Page = page;
}
else
{
throw new Exception("Navigation is initialized wrong");
}
}
else
{
view.Filters.Page = 1;
}
Session["filters"] = view.Filters;
//my attempts окрема (checkbox)
ModelState.Clear();
return(PartialView(
view.Filters.Filter(
cx,
cx.Users.Find(UserManager.FindByName(User.Identity.Name).Id)
)));
}
public AttemptFilterView Filter(QuizContext cx, ApplicationUser user)
{
CurrentUser = user;
var users = new HashSet <ApplicationUser>();
foreach (var group in cx.Groups.Where(x => x.Creator.Id == user.Id).ToList())
{
foreach (var applicationUser in group.ApplicationUsers)
{
users.Add(applicationUser);
}
}
var userIds = users.Select(x => x.Id).ToList();
var filteringData = cx.QuizAttempts.
Where(x => x.User.Id == user.Id ||
userIds.Contains(user.Id) ||
x.Quiz.User.Id == user.Id).ToList();
filteringData = filteringData.
Where(x => _Filter(x)).
ToList();
int pagesCount = 0;
int lastPagePushSize = filteringData.Count % PageSize;
//last has all size OR Count == 0
if (lastPagePushSize == 0)
{
pagesCount = filteringData.Count / PageSize;
//Count == 0
if (pagesCount == 0)
{
pagesCount = 1;
}
else
{
lastPagePushSize = PageSize;
}
}
else
{
pagesCount = filteringData.Count / PageSize + 1;
}
if (Page > pagesCount)
{
//bag
Page = 1;
}
var data = filteringData.GetRange((Page - 1) * PageSize,
Page == pagesCount ? lastPagePushSize : PageSize);
//quizzes - my + which i passed
var attempts = cx.QuizAttempts.Where(x => x.User.Id == CurrentUser.Id).ToList();
var quizIds = attempts.Select(x => x.Quiz.Id).ToList();
//groups - my + opened!!!!!!!!!!!!!!!!!!!!!!!!!!!
var openedIds = user.Groups.Select(x => x.Id).ToList();
var result = new AttemptFilterView()
{
Filters = this,
Data = data,
Quizzes = cx.Quizzes.Where(x => x.User.Id == user.Id ||
quizIds.Contains(x.Id)).ToList(),
Groups = cx.Groups.Where(x => x.Creator.Id == user.Id ||
openedIds.Contains(x.Id)),
Users = users,
PagesCount = pagesCount
};
return(result);
}
