public ActionResult Group(GroupSelectDay inputModel)
 {
     if (inputModel == null) return RedirectToAction("Index");
     if (inputModel.groupId == null) return RedirectToAction("Index");
     GroupViewModel model = new GroupViewModel();
     model.Calendars = _service.GetGroupUsersCalendars(inputModel.groupId);
     foreach (var cal in model.Calendars)
     {
         model.Calendars[model.Calendars.IndexOf(cal)].Events = _service.GetEventsForDate(cal.Events, inputModel.SelectedDay);
     }
     model.GroupCalendar = _service.GetCalendar(inputModel.groupId);
     model.Group = inputModel.groupId;
     model.SelectedDay = inputModel.SelectedDay;
     return View(model);
 }
 public ActionResult Group(string groupId)
 {
     if (groupId == null) return RedirectToAction("Index");
     GroupViewModel model = new GroupViewModel();
     model.Calendars = _service.GetGroupUsersCalendars(groupId);
     foreach (var cal in model.Calendars)
     {
         model.Calendars[model.Calendars.IndexOf(cal)].Events = _service.GetEventsForDate(cal.Events, DateTime.Today);
     }
     model.GroupCalendar = _service.GetCalendar(groupId);
     model.Group = groupId;
     model.SelectedDay = DateTime.Today;
     return View(model);
 }