Add td_api::chatEventMemberTagChanged.

Author: levlam

td/generate/scheme/td_api.tl

@@ -7033,6 +7033,9 @@ chatEventMemberPromoted user_id:int53 old_status:ChatMemberStatus new_status:Cha
 //@description A chat member was restricted/unrestricted or banned/unbanned, or the list of their restrictions has changed @member_id Affected chat member identifier @old_status Previous status of the chat member @new_status New status of the chat member
 chatEventMemberRestricted member_id:MessageSender old_status:ChatMemberStatus new_status:ChatMemberStatus = ChatEventAction;
 
+//@description A chat member tag has been changed @user_id Affected chat member user identifier @old_tag Previous tag of the chat member @new_tag New tag of the chat member
+chatEventMemberTagChanged user_id:int53 old_tag:string new_tag:string = ChatEventAction;
+
 //@description A chat member extended their subscription to the chat @user_id Affected chat member user identifier @old_status Previous status of the chat member @new_status New status of the chat member
 chatEventMemberSubscriptionExtended user_id:int53 old_status:ChatMemberStatus new_status:ChatMemberStatus = ChatEventAction;
 

td/telegram/DialogEventLog.cpp

@@ -522,7 +522,16 @@ static td_api::object_ptr<td_api::ChatEventAction> get_chat_event_action_object(
       return td_api::make_object<td_api::chatEventAutomaticTranslationToggled>(action->new_value_);
     }
     case telegram_api::channelAdminLogEventActionParticipantEditRank::ID: {
-      return nullptr;
+      auto action =
+          telegram_api::move_object_as<telegram_api::channelAdminLogEventActionParticipantEditRank>(action_ptr);
+      UserId user_id(action->user_id_);
+      if (!user_id.is_valid() || action->prev_rank_ == action->new_rank_) {
+        LOG(ERROR) << "Receive " << to_string(action);
+        return nullptr;
+      }
+      return td_api::make_object<td_api::chatEventMemberTagChanged>(
+          td->user_manager_->get_user_id_object(user_id, "chatEventMemberTagChanged"), action->prev_rank_,
+          action->new_rank_);
     }
     default:
       UNREACHABLE();