public static LocationDateTime AtLocation(DateTime locationDateTime, Location location)
{
if (locationDateTime.Kind != DateTimeKind.Unspecified)
throw new ArgumentException("DateTimeKind should be unspecified");
var utcTime = TimeZoneInfo.ConvertTimeToUtc(locationDateTime, location.TimeZoneInfo);
return new LocationDateTime(location, utcTime);
}
public static LocationDateTime ToLocationDateTime(this DateTime dateTime, Location location)
{
if (dateTime == null)
return null;
if (location == null)
throw new ArgumentNullException(nameof(location));
return LocationDateTime.AtLocation(dateTime, location);
}
public LocationDateTime(Location location, DateTime dateTimeUTC)
{
if (location == null)
throw new ArgumentNullException(nameof(location));
if (dateTimeUTC == null)
throw new ArgumentNullException(nameof(dateTimeUTC));
if (dateTimeUTC.Kind != DateTimeKind.Utc)
throw new ArgumentException("Date Time not in UTC");
Location = location;
DateTimeInUTC = dateTimeUTC;
DateTimeInLocation = TimeAtLocation(Location);
}
public DateTimeOffset TimeAtLocation(Location location)
{
return TimeZoneInfo.ConvertTime((DateTimeOffset)DateTimeInUTC, location.TimeZoneInfo);
}
