Force update nicknames via PubSub and presences on reconnect

telegram/utils.go

@@ -1332,3 +1332,18 @@ func (c *Client) GetVcardInfo(toID int64) (VCardInfo, error) {
 
 	return info, nil
 }
+
+func (c *Client) UpdateChatNicknames() {
+	for _, id := range c.cache.ChatsKeys() {
+		chat, ok := c.cache.GetChat(id)
+		if ok {
+			gateway.SendPresence(
+				c.xmpp,
+				c.jid,
+				gateway.SPFrom(strconv.FormatInt(id, 10)),
+				gateway.SPNickname(chat.Title),
+			)
+			gateway.SetNickname(c.jid, strconv.FormatInt(id, 10), chat.Title, c.xmpp)
+		}
+	}
+}

xmpp/handlers.go

@@ -342,6 +342,7 @@ func handlePresence(s xmpp.Sender, p stanza.Presence) {
 						gateway.SPImmed(false),
 					)
 				}
+				session.UpdateChatNicknames()
 			}
 		}()
 	}