Add td_api::getRecentlyOpenedChats.

td/generate/scheme/td_api.tl

@@ -4130,6 +4130,9 @@ removeRecentlyFoundChat chat_id:int53 = Ok;
 //@description Clears the list of recently found chats
 clearRecentlyFoundChats = Ok;
 
+//@description Returns recently opened chats, this is an offline request. Returns chats in the order of last opening @limit The maximum number of chats to be returned
+getRecentlyOpenedChats limit:int32 = Chats;
+
 //@description Checks whether a username can be set for a chat @chat_id Chat identifier; should be identifier of a supergroup chat, or a channel chat, or a private chat with self, or zero if the chat is being created @username Username to be checked
 checkChatUsername chat_id:int53 username:string = CheckChatUsernameResult;
 

td/telegram/MessagesManager.cpp

@@ -5695,7 +5695,10 @@ MessagesManager::Dialog::~Dialog() {
 }
 
 MessagesManager::MessagesManager(Td *td, ActorShared<> parent)
-    : recently_found_dialogs_{td, "recently_found", MAX_RECENTLY_FOUND_DIALOGS}, td_(td), parent_(std::move(parent)) {
+    : recently_found_dialogs_{td, "recently_found", MAX_RECENT_DIALOGS}
+    , recently_opened_dialogs_{td, "recently_opened", MAX_RECENT_DIALOGS}
+    , td_(td)
+    , parent_(std::move(parent)) {
   upload_media_callback_ = std::make_shared<UploadMediaCallback>();
   upload_thumbnail_callback_ = std::make_shared<UploadThumbnailCallback>();
   upload_dialog_photo_callback_ = std::make_shared<UploadDialogPhotoCallback>();
@@ -10919,6 +10922,7 @@ void MessagesManager::on_dialog_deleted(DialogId dialog_id, Promise<Unit> &&prom
     d->need_restore_reply_markup = true;
   }
   recently_found_dialogs_.remove_dialog(dialog_id);
+  recently_opened_dialogs_.remove_dialog(dialog_id);
   if (dialog_id.get_type() == DialogType::Channel) {
     G()->td_db()->get_binlog_pmc()->erase(get_channel_pts_key(dialog_id));
   }
@@ -16262,6 +16266,10 @@ std::pair<int32, vector<DialogId>> MessagesManager::search_dialogs(const string
   return {narrow_cast<int32>(result.first), std::move(dialog_ids)};
 }
 
+std::pair<int32, vector<DialogId>> MessagesManager::get_recently_opened_dialogs(int32 limit, Promise<Unit> &&promise) {
+  return recently_opened_dialogs_.get_dialogs(limit, std::move(promise));
+}
+
 vector<DialogId> MessagesManager::sort_dialogs_by_order(const vector<DialogId> &dialog_ids, int32 limit) const {
   CHECK(!td_->auth_manager_->is_bot());
   int64 fake_order = static_cast<int64>(dialog_ids.size()) + 1;
@@ -19525,7 +19533,11 @@ void MessagesManager::read_message_contents_on_server(DialogId dialog_id, vector
 
 void MessagesManager::open_dialog(Dialog *d) {
   DialogId dialog_id = d->dialog_id;
-  if (d->is_opened || !have_input_peer(dialog_id, AccessRights::Read)) {
+  if (!have_input_peer(dialog_id, AccessRights::Read)) {
+    return;
+  }
+  recently_opened_dialogs_.add_dialog(dialog_id);
+  if (d->is_opened) {
     return;
   }
   d->is_opened = true;

td/telegram/MessagesManager.h

@@ -369,6 +369,8 @@ class MessagesManager final : public Actor {
 
   void clear_recently_found_dialogs();
 
+  std::pair<int32, vector<DialogId>> get_recently_opened_dialogs(int32 limit, Promise<Unit> &&promise);
+
   DialogId resolve_dialog_username(const string &username) const;
 
   DialogId search_public_dialog(const string &username_to_search, bool force, Promise<Unit> &&promise);
@@ -1652,7 +1654,7 @@ class MessagesManager final : public Actor {
   static constexpr int32 MIN_CHANNEL_DIFFERENCE = 1;
   static constexpr int32 MAX_CHANNEL_DIFFERENCE = 100;
   static constexpr int32 MAX_BOT_CHANNEL_DIFFERENCE = 100000;   // server side limit
-  static constexpr int32 MAX_RECENTLY_FOUND_DIALOGS = 50;       // some reasonable value
+  static constexpr int32 MAX_RECENT_DIALOGS = 50;               // some reasonable value
   static constexpr size_t MAX_TITLE_LENGTH = 128;               // server side limit for chat title
   static constexpr size_t MAX_DESCRIPTION_LENGTH = 255;         // server side limit for chat description
   static constexpr size_t MAX_DIALOG_FILTER_TITLE_LENGTH = 12;  // server side limit for dialog filter title
@@ -3057,6 +3059,7 @@ class MessagesManager final : public Actor {
   static DialogId get_message_original_sender(const Message *m);
 
   RecentDialogList recently_found_dialogs_;
+  RecentDialogList recently_opened_dialogs_;
 
   class UploadMediaCallback;
   class UploadThumbnailCallback;

td/telegram/Td.cpp

@@ -960,6 +960,25 @@ class GetInactiveSupergroupChatsRequest final : public RequestActor<> {
   }
 };
 
+class GetRecentlyOpenedChatsRequest final : public RequestActor<> {
+  int32 limit_;
+
+  std::pair<int32, vector<DialogId>> dialog_ids_;
+
+  void do_run(Promise<Unit> &&promise) final {
+    dialog_ids_ = td->messages_manager_->get_recently_opened_dialogs(limit_, std::move(promise));
+  }
+
+  void do_send_result() final {
+    send_result(MessagesManager::get_chats_object(dialog_ids_));
+  }
+
+ public:
+  GetRecentlyOpenedChatsRequest(ActorShared<Td> td, uint64 request_id, int32 limit)
+      : RequestActor(std::move(td), request_id), limit_(limit) {
+  }
+};
+
 class GetMessageRequest final : public RequestOnceActor {
   FullMessageId full_message_id_;
 
@@ -5363,6 +5382,11 @@ void Td::on_request(uint64 id, const td_api::clearRecentlyFoundChats &request) {
   send_closure(actor_id(this), &Td::send_result, id, make_tl_object<td_api::ok>());
 }
 
+void Td::on_request(uint64 id, const td_api::getRecentlyOpenedChats &request) {
+  CHECK_IS_USER();
+  CREATE_REQUEST(GetRecentlyOpenedChatsRequest, request.limit_);
+}
+
 void Td::on_request(uint64 id, const td_api::openChat &request) {
   CHECK_IS_USER();
   answer_ok_query(id, messages_manager_->open_dialog(DialogId(request.chat_id_)));

td/telegram/Td.h

@@ -577,6 +577,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, const td_api::clearRecentlyFoundChats &request);
 
+  void on_request(uint64 id, const td_api::getRecentlyOpenedChats &request);
+
   void on_request(uint64 id, const td_api::getGroupsInCommon &request);
 
   void on_request(uint64 id, td_api::checkChatUsername &request);

td/telegram/cli.cpp

@@ -4049,6 +4049,8 @@ class CliClient final : public Actor {
       send_request(td_api::make_object<td_api::removeRecentlyFoundChat>(as_chat_id(args)));
     } else if (op == "crfcs") {
       send_request(td_api::make_object<td_api::clearRecentlyFoundChats>());
+    } else if (op == "groc") {
+      send_request(td_api::make_object<td_api::getRecentlyOpenedChats>(as_limit(args)));
     } else if (op == "gwpp") {
       send_request(td_api::make_object<td_api::getWebPagePreview>(as_caption(args)));
     } else if (op == "gwpiv") {