private DateTime CutTimeTo(DateTime dt, AggregationInterval intl)
{
switch (intl.Value)
{
case AggregationIntervalValue.Day:
return new DateTime(dt.Year, dt.Month, dt.Day);
case AggregationIntervalValue.Week:
return dt.Round(TimeSpan.FromDays(7));
case AggregationIntervalValue.Month:
return new DateTime(dt.Year, dt.Month, 1);
case AggregationIntervalValue.Quarter:
return new DateTime(dt.Year, ((int)(Math.Ceiling((double)dt.Month / 3) * 3 - 2)), 1);
case AggregationIntervalValue.Year:
return new DateTime(dt.Year, 1, 1);
}
return new DateTime();
}
public static IEnumerable <AggregationInterval> GetList()
{
return(names.Select(n => new AggregationInterval {
DisplayName = n, Value = AggregationInterval.GetValue(n)
}));
}
