From cc52756a394ef518e829c3948b4a94e3a241cd36 Mon Sep 17 00:00:00 2001
From: Armano den Boef <t.a.denboef@gmail.com>
Date: Thu, 26 May 2022 12:46:09 +0200
Subject: [PATCH] Fix switch casting as text and not as voice

---
 .../Entities/Permissions/ChannelPermissions.cs             | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Discord.Net.Core/Entities/Permissions/ChannelPermissions.cs b/src/Discord.Net.Core/Entities/Permissions/ChannelPermissions.cs
index 1536bc1a3..198d18b8b 100644
--- a/src/Discord.Net.Core/Entities/Permissions/ChannelPermissions.cs
+++ b/src/Discord.Net.Core/Entities/Permissions/ChannelPermissions.cs
@@ -51,11 +51,16 @@ namespace Discord
         /// <exception cref="ArgumentException">Unknown channel type.</exception>
         public static ChannelPermissions All(IChannel channel)
         {
+            // Because IVoiceChannel implements ITextChannel, the switch will allow voice to pass as text.
+            //
+            // This check will prevent that and first attempt to cast as voice instead.
+            if (channel is IVoiceChannel)
+                return Voice;
+
             return channel switch
             {
                 ITextChannel _ => Text,
                 IStageChannel _ => Stage,
-                IVoiceChannel _ => Voice,
                 ICategoryChannel _ => Category,
                 IDMChannel _ => DM,
                 IGroupChannel _ => Group,