public async Task <IActionResult> Index(int?parentId = null, int?questionId = null, string info = null, string warning = null, string error = null)
{
var login = User.Identity.Name;
ViewBag.Message = localizer["Join tutorial"];
ViewBag.Error = error;
ViewBag.Warning = warning;
ViewBag.Info = info;
ViewBag.TutorialId = parentId;
bool onlyActive = Convert.ToBoolean(Request.Cookies[GlobalHelpers.ACTIVE]);
ViewBag.OnlyActive = onlyActive;
return(View(await uow.GetUserTutorialsAsync(login, onlyActive)));
}