public void CheckOut()
        {
            if (Tick.simulatorDate.Hour == 17)
            {
                var hamsterList = hamsterService.GetAll();
                foreach (var hamster in hamsterList)
                {
                    var lastActivity = hamster.ActivityLogs.Last();
                    lastActivity.EndTime = Tick.simulatorDate;
                    activityLogService.Update(lastActivity);

                    activityLogService.Add(
                        new ActivityLog
                    {
                        HamsterId  = hamster.Id,
                        ActivityId = (int)ActivityType.Left,
                        StartTime  = Tick.simulatorDate,
                        EndTime    = Tick.simulatorDate
                    });
                }
                var areas = areaService.GetAll();
                foreach (var area in areas)
                {
                    area.StatusId = (int)Status.Available;
                    areaService.Update(area);
                }
            }
        }