Remove chatActionImportingMessages.

td/generate/scheme/td_api.tl

@@ -1971,8 +1971,6 @@ chatActionStartPlayingGame = ChatAction;
 chatActionRecordingVideoNote = ChatAction;
 //@description The user is uploading a video note @progress Upload progress, as a percentage
 chatActionUploadingVideoNote progress:int32 = ChatAction;
-//@description The user is importing message history. This action is sent automatically and can't be explicitly sent @progress Import progress, as a percentage
-chatActionImportingMessages progress:int32 = ChatAction;
 //@description The user has cancelled the previous action
 chatActionCancel = ChatAction;
 

td/telegram/DialogAction.cpp

@@ -79,9 +79,6 @@ DialogAction::DialogAction(tl_object_ptr<td_api::ChatAction> &&action) {
       init(Type::UploadingVideoNote, uploading_action->progress_);
       break;
     }
-    case td_api::chatActionImportingMessages::ID:
-      init(Type::Cancel);  // it can't be sent explicitly
-      break;
     default:
       UNREACHABLE();
       break;
@@ -258,7 +255,6 @@ tl_object_ptr<td_api::ChatAction> DialogAction::get_chat_action_object() const {
     case Type::UploadingVideoNote:
       return td_api::make_object<td_api::chatActionUploadingVideoNote>(progress_);
     case Type::ImportingMessages:
-      return td_api::make_object<td_api::chatActionImportingMessages>(progress_);
     case Type::SpeakingInVoiceChat:
     default:
       UNREACHABLE();
@@ -363,6 +359,13 @@ DialogAction DialogAction::get_speaking_action() {
   return DialogAction(Type::SpeakingInVoiceChat, 0);
 }
 
+int32 DialogAction::get_importing_messages_action_progress() const {
+  if (type_ != Type::ImportingMessages) {
+    return -1;
+  }
+  return progress_;
+}
+
 StringBuilder &operator<<(StringBuilder &string_builder, const DialogAction &action) {
   string_builder << "ChatAction";
   const char *type = [action_type = action.type_] {

td/telegram/DialogAction.h

@@ -64,6 +64,8 @@ class DialogAction {
 
   static DialogAction get_speaking_action();
 
+  int32 get_importing_messages_action_progress() const;
+
   friend bool operator==(const DialogAction &lhs, const DialogAction &rhs) {
     return lhs.type_ == rhs.type_ && lhs.progress_ == rhs.progress_;
   }

td/telegram/MessagesManager.cpp

@@ -7056,6 +7056,13 @@ void MessagesManager::on_user_dialog_action(DialogId dialog_id, MessageId top_th
     }
     return;
   }
+  {
+    auto message_import_progress = action.get_importing_messages_action_progress();
+    if (message_import_progress >= 0) {
+      // TODO
+      return;
+    }
+  }
 
   if (!td_->contacts_manager_->have_min_user(user_id)) {
     LOG(DEBUG) << "Ignore typing of unknown " << user_id;

td/telegram/cli.cpp

@@ -1312,9 +1312,6 @@ class CliClient final : public Actor {
     if (action == "uvn" || action == "upload_video_note") {
       return td_api::make_object<td_api::chatActionUploadingVideoNote>(50);
     }
-    if (action == "im" || action == "import_messages") {
-      return td_api::make_object<td_api::chatActionImportingMessages>(50);
-    }
     return td_api::make_object<td_api::chatActionTyping>();
   }