Merge pull request #1401 from DGP-Studio/fix/1400

fix #1400

src/Snap.Hutao/Snap.Hutao/Resource/Localization/SH.resx

@@ -824,6 +824,9 @@
   <data name="ServiceDailyNoteNotifierTransformerHint" xml:space="preserve">
     <value>参量质变仪已准备完成</value>
   </data>
+  <data name="ServiceDiscordActivityElevationRequiredHint" xml:space="preserve">
+    <value>权限不足，将无法为您设置 Discord Activity 状态</value>
+  </data>
   <data name="ServiceDiscordGameActivityDetails" xml:space="preserve">
     <value>正在提瓦特大陆中探索</value>
   </data>

src/Snap.Hutao/Snap.Hutao/Service/Discord/DiscordController.cs

@@ -132,13 +132,6 @@ internal static class DiscordController
             return;
         }
 
-        // Actually requires a discord client to be running on Windows platform.
-        // If not, the following creation code will throw.
-        if (System.Diagnostics.Process.GetProcessesByName("Discord").Length <= 0)
-        {
-            return;
-        }
-
         lock (SyncRoot)
         {
             DiscordCreateParams @params = default;

src/Snap.Hutao/Snap.Hutao/Service/Discord/DiscordService.cs

@@ -2,6 +2,8 @@
 // Licensed under the MIT license.
 
 using Snap.Hutao.Core;
+using Snap.Hutao.Service.Notification;
+using System.Diagnostics;
 
 namespace Snap.Hutao.Service.Discord;
 
@@ -9,22 +11,69 @@ namespace Snap.Hutao.Service.Discord;
 [Injection(InjectAs.Singleton, typeof(IDiscordService))]
 internal sealed partial class DiscordService : IDiscordService, IDisposable
 {
+    private readonly IInfoBarService infoBarService;
     private readonly RuntimeOptions runtimeOptions;
 
+    private bool isInitialized;
+
     public async ValueTask SetPlayingActivityAsync(bool isOversea)
     {
-        _ = isOversea
-            ? await DiscordController.SetPlayingGenshinImpactAsync().ConfigureAwait(false)
-            : await DiscordController.SetPlayingYuanShenAsync().ConfigureAwait(false);
+        if (IsSupported())
+        {
+            _ = isOversea
+                ? await DiscordController.SetPlayingGenshinImpactAsync().ConfigureAwait(false)
+                : await DiscordController.SetPlayingYuanShenAsync().ConfigureAwait(false);
+        }
     }
 
     public async ValueTask SetNormalActivityAsync()
     {
-        _ = await DiscordController.SetDefaultActivityAsync(runtimeOptions.AppLaunchTime).ConfigureAwait(false);
+        if (IsSupported())
+        {
+            _ = await DiscordController.SetDefaultActivityAsync(runtimeOptions.AppLaunchTime).ConfigureAwait(false);
+        }
     }
 
     public void Dispose()
     {
         DiscordController.Stop();
     }
+
+    private bool IsSupported()
+    {
+        try
+        {
+            // Actually requires a discord client to be running on Windows platform.
+            // If not, discord core creation code will throw.
+            Process[] discordProcesses = Process.GetProcessesByName("Discord");
+
+            if (discordProcesses.Length <= 0)
+            {
+                return false;
+            }
+
+            foreach (Process process in discordProcesses)
+            {
+                try
+                {
+                    _ = process.Handle;
+                }
+                catch (Exception)
+                {
+                    if (!isInitialized)
+                    {
+                        infoBarService.Warning(SH.ServiceDiscordActivityElevationRequiredHint);
+                    }
+
+                    return false;
+                }
+            }
+
+            return true;
+        }
+        finally
+        {
+            isInitialized = true;
+        }
+    }
 }