public void ApplyDragDrop(
            string target,
            int?week,
            DateTime?time,
            DragDropInfo i)
        {
            List <int> volids = null;

            switch (i.source)
            {
            case "nocommits":
                volids = (from p in Volunteers()
                          where p.commits == 0
                          select p.PeopleId).ToList();
                break;

            case "commits":
                volids = (from p in Volunteers()
                          where p.commits > 0
                          select p.PeopleId).ToList();
                break;

            case "all":
                volids = (from p in Volunteers()
                          select p.PeopleId).ToList();
                break;

            case "registered":
            case "person":
                volids = new List <int>()
                {
                    i.pid.ToInt()
                };
                break;

            default:
                return;
            }

            if (target == "week")
            {
                var slots = (from s in FetchSlots()
                             where s.Time.TimeOfDay == time.Value.TimeOfDay
                             where s.Week == week || week == 0
                             select s).ToList();
                foreach (var PeopleId in volids)
                {
                    if (i.source == "registered")
                    {
                        DropFromAll(PeopleId);
                    }
                    foreach (var s in slots)
                    {
                        Attend.MarkRegistered(DbUtil.Db, OrgId, PeopleId, s.Time,
                                              AttendCommitmentCode.Attending, AvoidRegrets: true);
                    }
                }
            }
            else if (target == "meeting")
            {
                foreach (var PeopleId in volids)
                {
                    if (i.source == "registered")
                    {
                        DropFromMeeting(i.mid.Value, PeopleId);
                    }
                    Attend.MarkRegistered(DbUtil.Db, OrgId, PeopleId, time.Value,
                                          AttendCommitmentCode.Attending, AvoidRegrets: true);
                }
            }
            else if (target == "clear")
            {
                foreach (var PeopleId in volids)
                {
                    if (i.source == "registered")
                    {
                        DropFromMeeting(i.mid.Value, PeopleId);
                    }
                    else
                    {
                        DropFromAll(PeopleId);
                    }
                }
            }
        }
        public void ApplyDragDrop(
			string target,
			int? week,
			DateTime? time,
			DragDropInfo i)
        {
            List<int> volids = null;

            switch (i.source)
            {
                case "nocommits":
                    volids = (from p in Volunteers()
                              where p.commits == 0
                              select p.PeopleId).ToList();
                    break;
                case "commits":
                    volids = (from p in Volunteers()
                              where p.commits > 0
                              select p.PeopleId).ToList();
                    break;
                case "all":
                    volids = (from p in Volunteers()
                              select p.PeopleId).ToList();
                    break;
                case "registered":
                case "person":
                    volids = new List<int>() { i.pid.ToInt() };
                    break;
                default:
                    return;
            }

            if (target == "week")
            {
                var slots = (from s in FetchSlots()
                             where s.Time.TimeOfDay == time.Value.TimeOfDay
                             where s.Week == week || week == 0
                             select s).ToList();
                foreach (var PeopleId in volids)
                {
                    if (i.source == "registered")
                        DropFromAll(PeopleId);
                    foreach (var s in slots)
                        Attend.MarkRegistered(DbUtil.Db, OrgId, PeopleId, s.Time,
                            AttendCommitmentCode.Attending, AvoidRegrets: true);
                }
            }
            else if (target == "meeting")
            {
                foreach (var PeopleId in volids)
                {
                    if (i.source == "registered")
                        DropFromMeeting(i.mid.Value, PeopleId);
                    Attend.MarkRegistered(DbUtil.Db, OrgId, PeopleId, time.Value,
                        AttendCommitmentCode.Attending, AvoidRegrets: true);
                }

            }
            else if (target == "clear")
            {
                foreach (var PeopleId in volids)
                {
                    if (i.source == "registered")
                        DropFromMeeting(i.mid.Value, PeopleId);
                    else
                        DropFromAll(PeopleId);
                }
            }
        }