From f7903260e8e848ca924a42cb526402aee0c80166 Mon Sep 17 00:00:00 2001
From: neroduckale <neroduck@vk.com>
Date: Mon, 4 Dec 2023 00:10:08 +0500
Subject: [PATCH] add IsDefined for gateway.Author in MessageEditedResponder.cs

---
 src/Responders/MessageEditedResponder.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Responders/MessageEditedResponder.cs b/src/Responders/MessageEditedResponder.cs
index 3e42177..64e76e0 100644
--- a/src/Responders/MessageEditedResponder.cs
+++ b/src/Responders/MessageEditedResponder.cs
@@ -67,7 +67,12 @@ public class MessageEditedResponder : IResponder<IMessageUpdate>
             return new ArgumentNullError(nameof(gatewayEvent.ID));
         }
 
-        if (gatewayEvent.Author.Value.IsBot.OrDefault(false))
+        if (!gatewayEvent.Author.IsDefined(out var author))
+        {
+            return new ArgumentNullError(nameof(gatewayEvent.Author));
+        }
+
+        if (author.IsBot.OrDefault(false))
         {
             return Result.FromSuccess();
         }