From c80957ebae41e8c0311f3f6181792d5c1431c3e5 Mon Sep 17 00:00:00 2001
From: Deven Joshi <deven9852@gmail.com>
Date: Mon, 24 Jan 2022 18:03:02 +0530
Subject: [PATCH] fix: thread message deletion

---
 packages/stream_chat/CHANGELOG.md                | 4 ++++
 packages/stream_chat/lib/src/client/channel.dart | 8 +++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/stream_chat/CHANGELOG.md b/packages/stream_chat/CHANGELOG.md
index e47e72cb..7afc4000 100644
--- a/packages/stream_chat/CHANGELOG.md
+++ b/packages/stream_chat/CHANGELOG.md
@@ -19,6 +19,10 @@
 - Fixed `unreadCount` after removing user from a channel.
 - Added `client.queryBannedUsers`, `channel.queryBannedUsers` endpoint for querying banned users.
 
+🐞 Fixed
+
+- [[#871]](https://github.com/GetStream/stream-chat-flutter/issues/871) Fixed thread message deletion.
+
 ## 3.3.1
 
 🐞 Fixed
diff --git a/packages/stream_chat/lib/src/client/channel.dart b/packages/stream_chat/lib/src/client/channel.dart
index 3dc879cb..460cef3f 100644
--- a/packages/stream_chat/lib/src/client/channel.dart
+++ b/packages/stream_chat/lib/src/client/channel.dart
@@ -1827,7 +1827,13 @@ class ChannelClientState {
       if (replyCount == null || replyCount == 0) return;
 
       addMessage(parentMessage.copyWith(replyCount: replyCount - 1));
-      updateThreadInfo(parentId, threads[parentId]!..remove(message));
+      updateThreadInfo(
+        parentId,
+        threads[parentId]!
+          ..removeWhere(
+            (e) => e.id == message.id,
+          ),
+      );
     } else {
       // Remove regular message
       final allMessages = [...messages];