Boy_Scouts_Scheduler.Controllers.ScheduleController.GroupActivities C# (CSharp) Метод

        public JsonResult GroupActivities(int ID)
        {
            var group = db.Groups.Find(ID);
            List<Activity> activities = db.Activities.Where(a => a.Event.ID == eventID).ToList();
            foreach (var timeSlot in db.TimeSlots.Where(t => t.Event.ID == eventID && t.isGeneral))
            {
                    activities.Add(new Activity
                    {
                        Group = group,
                        TimeSlot = timeSlot,
                        Station = new Station { ID = -1, Name = timeSlot.Name }
                    });
            }

            return Json((from activity in activities
                         where activity.Group.ID == ID
                         select new
                         {
                             ID = activity.ID,
                             StationName = activity.Station.Name,
                             Start = activity.TimeSlot.Start,
                             End = activity.TimeSlot.End
                         }).AsEnumerable().OrderBy(a => a.StationName).Select(a => new
                         {
                             ID = a.ID,
                             Name = a.StationName,
                             Start = a.Start.ToString(),
                             End = a.End.ToString()
                         }));
        }