//

// http://code.google.com/p/servicestack/wiki/TypeSerializer

// ServiceStack.Text: .NET C# POCO Type Text Serializer.

//

// Authors:

// Demis Bellot (demis.bellot@gmail.com)

//

// Copyright 2011 Liquidbit Ltd.

//

// Licensed under the same terms of ServiceStack: new BSD license.

//

using System;

using ServiceStack.Text.Common;

namespace ServiceStack.Text

{

/// <summary>

/// A fast, standards-based, serialization-issue free DateTime serailizer.

/// </summary>

public static class DateTimeExtensions

{

public const long UnixEpoch = 621355968000000000L;

private static readonly DateTime UnixEpochDateTime = new DateTime(UnixEpoch);

public const long TicksPerMs = TimeSpan.TicksPerSecond / 1000;

public static long ToUnixTime(this DateTime dateTime)

{

var epoch = (dateTime.ToUniversalTime().Ticks - UnixEpoch) / TimeSpan.TicksPerSecond;

return epoch;

}

public static DateTime FromUnixTime(this double unixTime)

{

return UnixEpochDateTime + TimeSpan.FromSeconds(unixTime);

}

public static long ToUnixTimeMs(this DateTime dateTime)

{

var epoch = (dateTime.ToUniversalTime().Ticks - UnixEpoch) / TicksPerMs;

return epoch;

}

public static DateTime FromUnixTimeMs(this double msSince1970)

{

var ticks = (long)(UnixEpoch + (msSince1970 * TicksPerMs));

return new DateTime(ticks, DateTimeKind.Utc).ToLocalTime();

}

public static DateTime RoundToSecond(this DateTime dateTime)

{

return new DateTime(((dateTime.Ticks) / TimeSpan.TicksPerSecond) * TimeSpan.TicksPerSecond);

}

public static string ToShortestXsdDateTimeString(this DateTime dateTime)

{

return DateTimeSerializer.ToShortestXsdDateTimeString(dateTime);

}

public static DateTime FromShortestXsdDateTimeString(this string xsdDateTime)

{

return DateTimeSerializer.ParseShortestXsdDateTime(xsdDateTime);

}

public static bool IsEqualToTheSecond(this DateTime dateTime, DateTime otherDateTime)

{

return dateTime.ToUniversalTime().RoundToSecond().Equals(otherDateTime.ToUniversalTime().RoundToSecond());

}

}

}