DateTimePeriod ICalculateDateTimePeriod <Date> .Until(Date value)
{
var later = value.ToDateTime();
if (later < _date)
{
throw new ArgumentOutOfRangeException("value");
}
return(DateTimePeriod.Between(_date, later));
}
DateTimePeriod ICalculateDateTimePeriod <Date> .Years(int value)
{
return(0 == value
? new DateTimePeriod(_date, _date)
: DateTimePeriod.Between(_date, _date.AddYears(value).AddDays(value > 0 ? -1 : 1)));
}
DateTimePeriod ICalculateDateTimePeriod <Date> .Weeks(int value)
{
return(0 == value
? new DateTimePeriod(_date, _date)
: DateTimePeriod.Between(_date, AddWeeks(value).ToDateTime().AddDays(value > 0 ? -1 : 1)));
}
DateTimePeriod ICalculateDateTimePeriod <Date> .Between(Date value)
{
return(DateTimePeriod.Between(_date, value.ToDateTime()));
}