Add td_api::setStickerKeywords.

td/generate/scheme/td_api.tl

@@ -8020,11 +8020,16 @@ setStickerPositionInSet sticker:InputFile position:int32 = Ok;
 //@description Removes a sticker from the set to which it belongs; for bots only. The sticker set must have been created by the bot @sticker Sticker
 removeStickerFromSet sticker:InputFile = Ok;
 
-//@description Changes the list of emoji corresponding to a sticker; for bots only. The sticker must belong to a sticker set created by the bot
+//@description Changes the list of emoji corresponding to a sticker; for bots only. The sticker must belong to a regular or custom emoji sticker set created by the bot
 //@sticker Sticker
 //@emojis New string with 1-20 emoji corresponding to the sticker
 setStickerEmojis sticker:InputFile emojis:string = Ok;
 
+//@description Changes the list of keywords of a sticker; for bots only. The sticker must belong to a regular or custom emoji sticker set created by the bot
+//@sticker Sticker
+//@keywords List of up to 20 keywords with total length up to 64 characters, which can be used to find the sticker
+setStickerKeywords sticker:InputFile keywords:vector<string> = Ok;
+
 
 //@description Returns information about a file with a map thumbnail in PNG format. Only map thumbnail files with size less than 1MB can be downloaded
 //@location Location of the map center

td/telegram/StickersManager.cpp

@@ -1412,8 +1412,8 @@ class ChangeStickerQuery final : public Td::ResultHandler {
       flags |= telegram_api::stickers_changeSticker::KEYWORDS_MASK;
     }
     send_query(G()->net_query_creator().create(
-        telegram_api::stickers_changeSticker(flags, std::move(input_document), emojis, mask_position.get_input_mask_coords(),
-                                             keywords),
+        telegram_api::stickers_changeSticker(flags, std::move(input_document), emojis,
+                                             mask_position.get_input_mask_coords(), keywords),
         std::move(chain_ids)));
   }
 
@@ -8701,6 +8701,22 @@ void StickersManager::set_sticker_emojis(const td_api::object_ptr<td_api::InputF
              StickerMaskPosition(), false, string());
 }
 
+void StickersManager::set_sticker_keywords(const td_api::object_ptr<td_api::InputFile> &sticker,
+                                           vector<string> &&keywords, Promise<Unit> &&promise) {
+  TRY_RESULT_PROMISE(promise, input_document, get_sticker_input_document(sticker));
+
+  for (auto &keyword : keywords) {
+    for (auto &c : keyword) {
+      if (c == ',' || c == '\n') {
+        c = ' ';
+      }
+    }
+  }
+  td_->create_handler<ChangeStickerQuery>(std::move(promise))
+      ->send(input_document.sticker_set_short_name_, std::move(input_document.input_document_), false, string(), false,
+             StickerMaskPosition(), true, implode(keywords, ','));
+}
+
 vector<FileId> StickersManager::get_attached_sticker_file_ids(const vector<int32> &int_file_ids) {
   vector<FileId> result;
 

td/telegram/StickersManager.h

@@ -319,6 +319,9 @@ class StickersManager final : public Actor {
   void set_sticker_emojis(const td_api::object_ptr<td_api::InputFile> &sticker, const string &emojis,
                           Promise<Unit> &&promise);
 
+  void set_sticker_keywords(const td_api::object_ptr<td_api::InputFile> &sticker, vector<string> &&keywords,
+                            Promise<Unit> &&promise);
+
   vector<FileId> get_recent_stickers(bool is_attached, Promise<Unit> &&promise);
 
   void on_get_recent_stickers(bool is_repair, bool is_attached,

td/telegram/Td.cpp

@@ -7345,6 +7345,15 @@ void Td::on_request(uint64 id, td_api::setStickerEmojis &request) {
   stickers_manager_->set_sticker_emojis(request.sticker_, request.emojis_, std::move(promise));
 }
 
+void Td::on_request(uint64 id, td_api::setStickerKeywords &request) {
+  CHECK_IS_BOT();
+  for (auto &keyword : request.keywords_) {
+    CLEAN_INPUT_STRING(keyword);
+  }
+  CREATE_OK_REQUEST_PROMISE();
+  stickers_manager_->set_sticker_keywords(request.sticker_, std::move(request.keywords_), std::move(promise));
+}
+
 void Td::on_request(uint64 id, const td_api::getRecentStickers &request) {
   CHECK_IS_USER();
   CREATE_REQUEST(GetRecentStickersRequest, request.is_attached_);

td/telegram/Td.h

@@ -1210,6 +1210,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, td_api::setStickerEmojis &request);
 
+  void on_request(uint64 id, td_api::setStickerKeywords &request);
+
   void on_request(uint64 id, const td_api::getRecentStickers &request);
 
   void on_request(uint64 id, td_api::addRecentSticker &request);