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Ombi/Ombi.Helpers/DateTimeHelper.cs

58 lines
2.0 KiB

8 years ago
using System;
using System.Globalization;
using System.Linq;
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namespace Ombi.Helpers
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{
public static class DateTimeHelper
{
public static DateTimeOffset OffsetUTCDateTime(DateTime utcDateTime, int minuteOffset)
{
//TimeSpan ts = TimeSpan.FromMinutes(-minuteOffset);
//return new DateTimeOffset(utcDateTime).ToOffset(ts);
// this is a workaround below to work with MONO
var tzi = FindTimeZoneFromOffset(minuteOffset);
var utcOffset = tzi.GetUtcOffset(utcDateTime);
var newDate = utcDateTime + utcOffset;
return new DateTimeOffset(newDate.Ticks, utcOffset);
}
public static void CustomParse(string date, out DateTime dt)
{
// Try and parse it
if (DateTime.TryParse(date, out dt))
{
return;
}
// Maybe it's only a year?
if (DateTime.TryParseExact(date, "yyyy", CultureInfo.CurrentCulture, DateTimeStyles.None, out dt))
{
return;
}
}
private static TimeZoneInfo FindTimeZoneFromOffset(int minuteOffset)
{
var tzc = TimeZoneInfo.GetSystemTimeZones();
return tzc.FirstOrDefault(x => x.BaseUtcOffset.TotalMinutes == -minuteOffset);
}
public static DateTime UnixTimeStampToDateTime(this int unixTimeStamp)
{
// Unix timestamp is seconds past epoch
System.DateTime dtDateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, System.DateTimeKind.Utc);
dtDateTime = dtDateTime.AddSeconds(unixTimeStamp).ToLocalTime();
return dtDateTime;
}
public static long ToJavascriptTimestamp(this DateTime input)
{
var epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
var time = input.Subtract(new TimeSpan(epoch.Ticks));
return (long)(time.Ticks / 10000);
}
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}
}