Add td_api::setStickerSetTitle.

td/generate/scheme/td_api.tl

@@ -8004,6 +8004,9 @@ setStickerSetThumbnail user_id:int53 name:string thumbnail:InputFile = StickerSe
 //@custom_emoji_id Identifier of the custom emoji from the sticker set, which will be set as sticker set thumbnail; pass 0 to remove the sticker set thumbnail
 setCustomEmojiStickerSetThumbnail name:string custom_emoji_id:int64 = Ok;
 
+//@description Sets a sticker set title; for bots only @name Sticker set name @title New sticker set title
+setStickerSetTitle name:string title:string = Ok;
+
 //@description Changes the position of a sticker in the set to which it belongs; for bots only. The sticker set must have been created by the bot
 //@sticker Sticker
 //@position New position of the sticker in the set, 0-based

td/telegram/StickersManager.cpp

@@ -1275,8 +1275,41 @@ class SetCustomEmojiStickerSetThumbnailQuery final : public Td::ResultHandler {
       return on_error(result_ptr.move_as_error());
     }
 
+    auto sticker_set_id = td_->stickers_manager_->on_get_messages_sticker_set(
+        StickerSetId(), result_ptr.move_as_ok(), true, "SetCustomEmojiStickerSetThumbnailQuery");
+    if (!sticker_set_id.is_valid()) {
+      return on_error(Status::Error(500, "Sticker set not found"));
+    }
+    promise_.set_value(Unit());
+  }
+
+  void on_error(Status status) final {
+    promise_.set_error(std::move(status));
+  }
+};
+
+class SetStickerSetTitleQuery final : public Td::ResultHandler {
+  Promise<Unit> promise_;
+
+ public:
+  explicit SetStickerSetTitleQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
+  }
+
+  void send(const string &short_name, const string &title) {
+    send_query(
+        G()->net_query_creator().create(telegram_api::stickers_renameStickerSet(
+                                            make_tl_object<telegram_api::inputStickerSetShortName>(short_name), title),
+                                        {{short_name}}));
+  }
+
+  void on_result(BufferSlice packet) final {
+    auto result_ptr = fetch_result<telegram_api::stickers_renameStickerSet>(packet);
+    if (result_ptr.is_error()) {
+      return on_error(result_ptr.move_as_error());
+    }
+
     auto sticker_set_id = td_->stickers_manager_->on_get_messages_sticker_set(StickerSetId(), result_ptr.move_as_ok(),
-                                                                              true, "SetStickerSetThumbnailQuery");
+                                                                              true, "SetStickerSetTitleQuery");
     if (!sticker_set_id.is_valid()) {
       return on_error(Status::Error(500, "Sticker set not found"));
     }
@@ -8532,6 +8565,20 @@ void StickersManager::do_set_custom_emoji_sticker_set_thumbnail(string short_nam
   td_->create_handler<SetCustomEmojiStickerSetThumbnailQuery>(std::move(promise))->send(short_name, custom_emoji_id);
 }
 
+void StickersManager::set_sticker_set_title(string short_name, string title, Promise<Unit> &&promise) {
+  short_name = clean_username(strip_empty_characters(short_name, MAX_STICKER_SET_SHORT_NAME_LENGTH));
+  if (short_name.empty()) {
+    return promise.set_error(Status::Error(400, "Sticker set name must be non-empty"));
+  }
+
+  title = strip_empty_characters(title, MAX_STICKER_SET_TITLE_LENGTH);
+  if (title.empty()) {
+    return promise.set_error(Status::Error(400, "Sticker set title must be non-empty"));
+  }
+
+  td_->create_handler<SetStickerSetTitleQuery>(std::move(promise))->send(short_name, title);
+}
+
 Result<StickersManager::StickerInputDocument> StickersManager::get_sticker_input_document(
     const tl_object_ptr<td_api::InputFile> &sticker) const {
   TRY_RESULT(file_id, td_->file_manager_->get_input_file_id(FileType::Sticker, sticker, DialogId(), false, false));

td/telegram/StickersManager.h

@@ -308,6 +308,8 @@ class StickersManager final : public Actor {
   void set_custom_emoji_sticker_set_thumbnail(string short_name, CustomEmojiId custom_emoji_id,
                                               Promise<Unit> &&promise);
 
+  void set_sticker_set_title(string short_name, string title, Promise<Unit> &&promise);
+
   void set_sticker_position_in_set(const tl_object_ptr<td_api::InputFile> &sticker, int32 position,
                                    Promise<Unit> &&promise);
 

td/telegram/Td.cpp

@@ -7311,6 +7311,14 @@ void Td::on_request(uint64 id, td_api::setCustomEmojiStickerSetThumbnail &reques
       std::move(request.name_), CustomEmojiId(request.custom_emoji_id_), std::move(promise));
 }
 
+void Td::on_request(uint64 id, td_api::setStickerSetTitle &request) {
+  CHECK_IS_BOT();
+  CLEAN_INPUT_STRING(request.name_);
+  CLEAN_INPUT_STRING(request.title_);
+  CREATE_OK_REQUEST_PROMISE();
+  stickers_manager_->set_sticker_set_title(std::move(request.name_), std::move(request.title_), std::move(promise));
+}
+
 void Td::on_request(uint64 id, td_api::setStickerPositionInSet &request) {
   CHECK_IS_BOT();
   CREATE_OK_REQUEST_PROMISE();

td/telegram/Td.h

@@ -1202,6 +1202,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, td_api::setCustomEmojiStickerSetThumbnail &request);
 
+  void on_request(uint64 id, td_api::setStickerSetTitle &request);
+
   void on_request(uint64 id, td_api::setStickerPositionInSet &request);
 
   void on_request(uint64 id, td_api::removeStickerFromSet &request);