/// <summary>
/// Converts a 'unix time' (which is expressed as the number of seconds/milliseconds since
/// midnight on January 1st 1970) to a .Net <see cref="DateTime" />.
/// </summary>
/// <param name="unixTime">The unix time.</param>
/// <param name="precision">The desired precision.</param>
/// <returns>
/// The <see cref="DateTime" />.
/// </returns>
internal static DateTime FromUnixTime(this long unixTime, UnixTimePrecision precision = UnixTimePrecision.Seconds)
{
if (precision == UnixTimePrecision.Seconds)
{
return(EPOCH.AddSeconds(unixTime));
}
if (precision == UnixTimePrecision.Milliseconds)
{
return(EPOCH.AddMilliseconds(unixTime));
}
throw new Exception($"Unknown precision: {precision}");
}
/// <summary>
/// Converts a .Net <see cref="DateTime" /> into a 'Unix time' (which is expressed as the number
/// of seconds/milliseconds since midnight on January 1st 1970).
/// </summary>
/// <param name="date">The date.</param>
/// <param name="precision">The desired precision.</param>
/// <returns>
/// The numer of seconds/milliseconds since midnight on January 1st 1970.
/// </returns>
internal static long ToUnixTime(this DateTime date, UnixTimePrecision precision = UnixTimePrecision.Seconds)
{
var diff = date.ToUniversalTime() - EPOCH;
if (precision == UnixTimePrecision.Seconds)
{
return(Convert.ToInt64(diff.TotalSeconds));
}
if (precision == UnixTimePrecision.Milliseconds)
{
return(Convert.ToInt64(diff.TotalMilliseconds));
}
throw new Exception($"Unknown precision: {precision}");
}
