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fix: Some computers are missing timezones apparently (#1322)

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Some windows servers are not updated properly. Specifically Windows 10/2016 and older that is missing the September 2020 rollup will throw an error:

See [here](https://support.microsoft.com/en-us/topic/dst-changes-in-windows-for-yukon-canada-september-8-2020-ae74d7b8-82ed-1d35-e131-fb0796b73b10) for information about this update and how to get it.
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Kamron Batman 2023-01-21 19:12:53 -08:00 • committed by GitHub
parent 68bd9529f9
commit 4f67b1174f
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1 changed files with 19 additions and 9 deletions
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28
Projects/Server/TimeZones/TimeZoneHandler.cs
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@ -18,6 +18,7 @@ using System.Collections.Generic;
using System.IO;
using System.Runtime.CompilerServices;
using Server.Json;
using Server.Logging;
namespace Server;
@ -39,6 +40,8 @@ namespace Server;
*/
public static class TimeZoneHandler
{
private static readonly ILogger logger = LogFactory.GetLogger(typeof(TimeZoneHandler));
private static readonly Dictionary<string, TimeZoneInfo> _timeZoneById = new();
public static TimeZoneInfo SystemTimeZone { get; private set; }
@ -47,17 +50,24 @@ public static class TimeZoneHandler
var timezones = JsonConfig.Deserialize<TimeZoneWithRegions[]>(Path.Combine(Core.BaseDirectory, "Data/timezones.json"));
foreach (var tz in timezones)
{
// Get the timezone if we are on Windows
var tzInfo = Core.IsWindows ? TimeZoneInfo.FindSystemTimeZoneById(tz.TimeZone) : null;
foreach (var region in tz.Regions)
try
{
// Get the timezone by region if we are on linux
tzInfo ??= TimeZoneInfo.FindSystemTimeZoneById(region);
_timeZoneById[region] = tzInfo;
}
// Get the timezone if we are on Windows
var tzInfo = Core.IsWindows ? TimeZoneInfo.FindSystemTimeZoneById(tz.TimeZone) : null;
_timeZoneById[tz.TimeZone] = tzInfo;
foreach (var region in tz.Regions)
{
// Get the timezone by region if we are on linux
tzInfo ??= TimeZoneInfo.FindSystemTimeZoneById(region);
_timeZoneById[region] = tzInfo;
}
_timeZoneById[tz.TimeZone] = tzInfo;
}
catch (TimeZoneNotFoundException e)
{
logger.Warning(e, $"Timezone '{tz.TimeZone}' was not found.");
}
}
}