f268d5d4e2
**Only one functional change** * Fixes a bug in LogFactory where `Warning` is being logged as `Information` Non-functional changes: * Updates/Fixes copyright headers * Removes namespace scopes for core files. View with [whitespace off](https://github.com/modernuo/ModernUO/pull/1187/files?w=1).
79 lines
3.3 KiB
C#
79 lines
3.3 KiB
C#
/*************************************************************************
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* ModernUO *
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* Copyright 2019-2022 - ModernUO Development Team *
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* Email: hi@modernuo.com *
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* File: TimeZoneHandler.cs *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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*************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.CompilerServices;
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using Server.Json;
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namespace Server;
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/**
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* TimeZoneHandler provides a cross platform compatible way to handle system timezones.
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*
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* By default the system timezone is used.
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* To manually configure the local timezone add the following setting to modernuo.json:
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* "system.localTimeZone": "Pacific Standard Time"
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* All valid timezones can be found in the Distribution/Data/timezones.json file.
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*
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* Notes for timezones.json:
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* By default, Windows will use the values in the "timezone" property.
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* By default, Unix/MacOS will use the values in the "region" property.
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* system.localTimeZone can be either timezone or a region.
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*
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* Example:
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* "system.localTimeZone": "Europe/Lisbon"
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*/
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public static class TimeZoneHandler
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{
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private static readonly Dictionary<string, TimeZoneInfo> _timeZoneById = new();
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public static TimeZoneInfo SystemTimeZone { get; private set; }
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static TimeZoneHandler()
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{
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var timezones = JsonConfig.Deserialize<TimeZoneWithRegions[]>(Path.Combine(Core.BaseDirectory, "Data/timezones.json"));
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foreach (var tz in timezones)
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{
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// Get the timezone if we are on Windows
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var tzInfo = Core.IsWindows ? TimeZoneInfo.FindSystemTimeZoneById(tz.TimeZone) : null;
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foreach (var region in tz.Regions)
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{
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// Get the timezone by region if we are on linux
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tzInfo ??= TimeZoneInfo.FindSystemTimeZoneById(region);
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_timeZoneById[region] = tzInfo;
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}
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_timeZoneById[tz.TimeZone] = tzInfo;
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}
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}
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public static void Configure()
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{
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var tzId = ServerConfiguration.GetSetting("system.localTimeZone", TimeZoneInfo.Local.Id);
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SystemTimeZone = FindTimeZoneById(tzId);
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}
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/**
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* Cross platform version of TimeZoneInfo.FindSystemTimeZoneById
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*/
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static TimeZoneInfo FindTimeZoneById(string id) => _timeZoneById[id];
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static DateTime ToSystemLocalTime(this DateTime date) =>
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TimeZoneInfo.ConvertTimeFromUtc(date, SystemTimeZone);
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}
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