/// <summary>
/// Get the start or end date time in UTC for the specified date range type in the specified time zone.
/// </summary>
/// <param name="dateRangeType">The date range type (today, current week etc.)</param>
/// <param name="ianaTimeZoneName">The IANA time zone name</param>
/// <param name="isStart">True for start and false for end of date range</param>
/// <param name="useEndOfCurrentDay">Flag to indicate if end of current periods are now or the end of the current day</param>
/// <returns>The start or end UTC for the range in the time zone</returns>
public static DateTime?UtcForDateRangeType(this DateRangeType dateRangeType, string ianaTimeZoneName, bool isStart, bool useEndOfCurrentDay = false)
{
if (dateRangeType == DateRangeType.Custom || dateRangeType == DateRangeType.ProjectExtents || string.IsNullOrEmpty(ianaTimeZoneName))
{
return(null);
}
DateTimeZone timeZone = DateTimeZoneProviders.Tzdb[ianaTimeZoneName];
ZonedClock clock = SystemClock.Instance.InZone(timeZone);
LocalDateTime localNow = clock.GetCurrentLocalDateTime();
var local = localNow.LocalDateTimeForDateRangeType(dateRangeType, isStart);
var zoned = timeZone.AtLeniently(local);
return(zoned.ToDateTimeUtc());
}
public void GetCurrent()
{
var julian = CalendarSystem.Julian;
FakeClock underlyingClock = new FakeClock(NodaConstants.UnixEpoch);
ZonedClock zonedClock = underlyingClock.InZone(SampleZone, julian);
Assert.AreEqual(NodaConstants.UnixEpoch, zonedClock.GetCurrentInstant());
Assert.AreEqual(new ZonedDateTime(underlyingClock.GetCurrentInstant(), SampleZone, julian),
zonedClock.GetCurrentZonedDateTime());
Assert.AreEqual(new LocalDateTime(1969, 12, 19, 2, 0, julian), zonedClock.GetCurrentLocalDateTime());
Assert.AreEqual(new LocalDateTime(1969, 12, 19, 2, 0, julian).WithOffset(Offset.FromHours(2)),
zonedClock.GetCurrentOffsetDateTime());
Assert.AreEqual(new LocalDate(1969, 12, 19, julian), zonedClock.GetCurrentDate());
Assert.AreEqual(new LocalTime(2, 0, 0), zonedClock.GetCurrentTimeOfDay());
}
