From d940b861133d4a20a43eeab2dca8e3270666b7b3 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Mon, 14 Sep 2020 01:44:55 +0300
Subject: [PATCH] Drop public message links from cache when dialog username
 changes.

GitOrigin-RevId: 008652cfb854f5298c7e9522fc086c78f1a66ecd
---
 td/telegram/MessagesManager.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index 8127db0f9..3fcc4b106 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -27325,6 +27325,10 @@ void MessagesManager::on_dialog_username_updated(DialogId dialog_id, const strin
   if (d != nullptr) {
     update_dialogs_hints(d);
   }
+  if (old_username != new_username) {
+    public_message_links_[0].erase(dialog_id);
+    public_message_links_[1].erase(dialog_id);
+  }
   if (!old_username.empty() && old_username != new_username) {
     resolved_usernames_.erase(clean_username(old_username));
     inaccessible_resolved_usernames_.erase(clean_username(old_username));