private DateTime GetNext(DateTime curr, GroupWindowType type)
{
switch (type)
{
case GroupWindowType.Hour:
return(curr.AddHours(1));
case GroupWindowType.Day:
return(curr.AddDays(1));
case GroupWindowType.Week:
return(curr.AddDays(7));
default:
throw new ArgumentException();
}
}
private static string GetAxisString(DateTime time, GroupWindowType type)
{
switch (type)
{
case GroupWindowType.Hour:
return(time.ToShortDateString() + " " + time.Hour);
case GroupWindowType.Day:
return(time.ToShortDateString());
case GroupWindowType.Week:
ITimeWindow window = new DayTimeWindow(time);
window = window.ToWeekWindow();
return(window.StartTime.ToShortDateString() + " " + window.EndTime.ToShortDateString());
default:
throw new ArgumentException();
}
}
private IEnumerable <GroupedDataFormat> ToGroupedDataFormat(Func <DateTime, DateTime> filter, GroupWindowType groupWindow)
{
var result = _list
.GroupBy(s => new
{
ATime = filter(s.Time),
AActivity = s.Process
})
.Select(r => new
{
Time = r.FirstOrDefault().Time,
Activity = r.FirstOrDefault(),
TimeSpan = r.Sum(s => s.Frequency),
})
.GroupBy(s => filter(s.Time))
.Select(r =>
{
var sortedZip = r.Select(g => g.TimeSpan)
.Zip(r.Select(g => g.Activity.Process),
(t, a) => new { Time = t, Activity = a })
.OrderByDescending(s => s.Time);
return(new GroupedDataFormat()
{
GroupBy = filter(r.FirstOrDefault().Time),
GroupWindow = groupWindow,
Activity = sortedZip.Select(s => s.Activity).ToArray(),
TimeSpan = sortedZip.Select(s => s.Time).ToArray()
});
})
.OrderBy(s => s.GroupBy);
return(result);
}
