public static bool IsIn(this ITimeRange timerange, DateTime?dFrom, DateTime?dTo)
{
return(timerange.IsValid() &&
dFrom.HasValue &&
dTo.HasValue &&
dFrom <= dTo &&
timerange.FromDate >= dFrom &&
timerange.ToDate <= dTo);
}
public static bool Contains(this ITimeRange timerange, DateTime?datetime)
{
return(timerange.IsValid() &&
datetime.HasValue &&
timerange.FromDate <= datetime
&&
(
!timerange.ToDate.HasValue ||
(timerange.ToDate.Ceiling() >= datetime)
));
}
public static ITimeRange Join(this ITimeRange value1, ITimeRange value)
{
if (!value.IsValid()
|| !value1.IsValid())
throw new Exception("Invalid time range.");
DateTime? newFromDate = value.FromDate > value1.FromDate ? value.FromDate : value1.FromDate;
DateTime? newToDate = value.ToDate.HasValue ?
(value1.ToDate.HasValue ?
(value.ToDate < value1.ToDate ? value.ToDate : value1.ToDate)
: value.ToDate)
: value1.ToDate;
TimeRange range = new TimeRange() { FromDate = newFromDate, ToDate = newToDate };
return range.IsValid() ? range : new TimeRange();
}
public static ITimeRange Join(this ITimeRange value1, ITimeRange value)
{
if (!value.IsValid() ||
!value1.IsValid())
{
throw new Exception("Invalid time range.");
}
DateTime?newFromDate = value.FromDate > value1.FromDate ? value.FromDate : value1.FromDate;
DateTime?newToDate = value.ToDate.HasValue ?
(value1.ToDate.HasValue ?
(value.ToDate < value1.ToDate ? value.ToDate : value1.ToDate)
: value.ToDate)
: value1.ToDate;
TimeRange range = new TimeRange()
{
FromDate = newFromDate, ToDate = newToDate
};
return(range.IsValid() ? range : new TimeRange());
}
