From baa6638d032e1f16e87e5daf58496bb571c54847 Mon Sep 17 00:00:00 2001
From: status102 <102887808+status102@users.noreply.github.com>
Date: Mon, 10 Feb 2025 16:20:52 +0800
Subject: [PATCH] =?UTF-8?q?rft:=20Wpf=E5=85=AC=E5=91=8A=E5=AD=98=E5=82=A8?=
 =?UTF-8?q?=E6=8B=86=E5=88=86=20(#11825)?=
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* rft: Wpf公告存储拆分

* rft: 拆分中英公告
---
 .../Configuration/AnnouncementInfo.cs         |  5 --
 .../ViewModels/UI/AnnouncementViewModel.cs    | 56 ++++++++++++++++++-
 2 files changed, 54 insertions(+), 7 deletions(-)

diff --git a/src/MaaWpfGui/Configuration/AnnouncementInfo.cs b/src/MaaWpfGui/Configuration/AnnouncementInfo.cs
index 7ea81937db..2dbefd268e 100644
--- a/src/MaaWpfGui/Configuration/AnnouncementInfo.cs
+++ b/src/MaaWpfGui/Configuration/AnnouncementInfo.cs
@@ -19,11 +19,6 @@ namespace MaaWpfGui.Configuration
     {
         public event PropertyChangedEventHandler PropertyChanged;
 
-        /// <summary>
-        /// Gets or sets 公告内容
-        /// </summary>
-        public string Info { get; set; } = string.Empty;
-
         /// <summary>
         /// Gets or sets a value indicating whether 下次不再显示公告
         /// </summary>
diff --git a/src/MaaWpfGui/ViewModels/UI/AnnouncementViewModel.cs b/src/MaaWpfGui/ViewModels/UI/AnnouncementViewModel.cs
index ca913c3280..83f02f051b 100644
--- a/src/MaaWpfGui/ViewModels/UI/AnnouncementViewModel.cs
+++ b/src/MaaWpfGui/ViewModels/UI/AnnouncementViewModel.cs
@@ -13,6 +13,7 @@
 
 using System;
 using System.Collections.ObjectModel;
+using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using System.Windows.Input;
@@ -21,6 +22,7 @@ using HandyControl.Tools.Command;
 using MaaWpfGui.Configuration;
 using MaaWpfGui.Constants;
 using MaaWpfGui.Helper;
+using Serilog;
 using Stylet;
 
 namespace MaaWpfGui.ViewModels.UI
@@ -32,6 +34,10 @@ namespace MaaWpfGui.ViewModels.UI
     // ReSharper disable once ClassNeverInstantiated.Global
     public class AnnouncementViewModel : Screen
     {
+        private static readonly ILogger _logger = Log.ForContext<AnnouncementViewModel>();
+
+        private static readonly object _lock = new();
+
         public string ImageSource { get; set; }
 
         public class AnnouncementSection
@@ -131,7 +137,53 @@ namespace MaaWpfGui.ViewModels.UI
             set => SetAndNotify(ref _selectedAnnouncementSection, value);
         }
 
-        private string _announcementInfo = ConfigFactory.Root.AnnouncementInfo.Info;
+        private static readonly string _announcementInFile = SettingsViewModel.GuiSettings.Language switch
+        {
+            "zh-cn" or "zh-tw" => Path.Combine(Environment.CurrentDirectory, "cache", "announcement.md"),
+            _ => Path.Combine(Environment.CurrentDirectory, "cache", "announcement_en.md"),
+        };
+
+        private static string AnnouncementInFile
+        {
+            get
+            {
+                if (!File.Exists(_announcementInFile))
+                {
+                    return null;
+                }
+
+                try
+                {
+                    lock (_lock)
+                    {
+                        return File.ReadAllText(_announcementInFile);
+                    }
+                }
+                catch (Exception e)
+                {
+                    _logger.Error(e, "Failed to read announcement from file");
+                }
+
+                return null;
+            }
+
+            set
+            {
+                try
+                {
+                    lock (_lock)
+                    {
+                        File.WriteAllText(_announcementInFile, value);
+                    }
+                }
+                catch (Exception e)
+                {
+                    _logger.Error(e, "Failed to write announcement to file");
+                }
+            }
+        }
+
+        private string _announcementInfo = AnnouncementInFile ?? string.Empty;
 
         /// <summary>
         /// Gets the announcement info.
@@ -143,7 +195,7 @@ namespace MaaWpfGui.ViewModels.UI
             private set
             {
                 SetAndNotify(ref _announcementInfo, value);
-                ConfigFactory.Root.AnnouncementInfo.Info = value;
+                AnnouncementInFile = value;
                 AnnouncementSections = new(ParseAnnouncementInfo(AnnouncementInfo));
             }
         }