Add td_api::deleteBotMediaPreviews.

td/generate/scheme/td_api.tl

@@ -10632,11 +10632,17 @@ addBotMediaPreview bot_user_id:int53 language_code:string content:InputStoryCont
 
 //@description Replaces media preview in the list of bot's media previews. Returns the new preview
 //@bot_user_id Identifier of the target bot
-//@language_code Language code of the media preview
+//@language_code Language code of the media preview to edit
 //@file_id File identifier of the media to replace
 //@content Content of the new preview
 editBotMediaPreview bot_user_id:int53 language_code:string file_id:int32 content:InputStoryContent = StoryContent;
 
+//@description Delete media preview from the list of bot's media previews
+//@bot_user_id Identifier of the target bot
+//@language_code Language code of the media previews to delete
+//@file_ids File identifiers of the media to delete
+deleteBotMediaPreviews bot_user_id:int53 language_code:string file_ids:vector<int32> = Ok;
+
 
 //@description Sets the name of a bot. Can be called only if userTypeBot.can_be_edited == true
 //@bot_user_id Identifier of the target bot

td/telegram/BotInfoManager.cpp

@@ -221,6 +221,34 @@ class BotInfoManager::AddPreviewMediaQuery final : public Td::ResultHandler {
   }
 };
 
+class DeletePreviewMediaQuery final : public Td::ResultHandler {
+  Promise<Unit> promise_;
+
+ public:
+  explicit DeletePreviewMediaQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
+  }
+
+  void send(UserId bot_user_id, telegram_api::object_ptr<telegram_api::InputUser> input_user,
+            const string &language_code, vector<telegram_api::object_ptr<telegram_api::InputMedia>> input_media) {
+    send_query(G()->net_query_creator().create(
+        telegram_api::bots_deletePreviewMedia(std::move(input_user), language_code, std::move(input_media)),
+        {{bot_user_id}}));
+  }
+
+  void on_result(BufferSlice packet) final {
+    auto result_ptr = fetch_result<telegram_api::bots_deletePreviewMedia>(packet);
+    if (result_ptr.is_error()) {
+      return on_error(result_ptr.move_as_error());
+    }
+
+    promise_.set_value(Unit());
+  }
+
+  void on_error(Status status) final {
+    promise_.set_error(std::move(status));
+  }
+};
+
 class CanBotSendMessageQuery final : public Td::ResultHandler {
   Promise<Unit> promise_;
 
@@ -723,6 +751,22 @@ telegram_api::object_ptr<telegram_api::InputMedia> BotInfoManager::get_fake_inpu
   }
 }
 
+void BotInfoManager::delete_bot_media_previews(UserId bot_user_id, const string &language_code,
+                                               const vector<int32> &file_ids, Promise<Unit> &&promise) {
+  TRY_RESULT_PROMISE(promise, input_user, get_media_preview_bot_input_user(bot_user_id, true));
+  TRY_STATUS_PROMISE(promise, validate_bot_language_code(language_code));
+  vector<telegram_api::object_ptr<telegram_api::InputMedia>> input_medias;
+  for (auto file_id : file_ids) {
+    auto input_media = get_fake_input_media(FileId(file_id, 0));
+    if (input_media == nullptr) {
+      return promise.set_error(Status::Error(400, "Wrong media to delete specified"));
+    }
+    input_medias.push_back(std::move(input_media));
+  }
+  td_->create_handler<DeletePreviewMediaQuery>(std::move(promise))
+      ->send(bot_user_id, std::move(input_user), language_code, std::move(input_medias));
+}
+
 void BotInfoManager::add_pending_set_query(UserId bot_user_id, const string &language_code, int type,
                                            const string &value, Promise<Unit> &&promise) {
   pending_set_bot_info_queries_.emplace_back(bot_user_id, language_code, type, value, std::move(promise));

td/telegram/BotInfoManager.h

@@ -55,6 +55,9 @@ class BotInfoManager final : public Actor {
                               td_api::object_ptr<td_api::InputStoryContent> &&input_content,
                               Promise<td_api::object_ptr<td_api::StoryContent>> &&promise);
 
+  void delete_bot_media_previews(UserId bot_user_id, const string &language_code, const vector<int32> &file_ids,
+                                 Promise<Unit> &&promise);
+
   void set_bot_name(UserId bot_user_id, const string &language_code, const string &name, Promise<Unit> &&promise);
 
   void get_bot_name(UserId bot_user_id, const string &language_code, Promise<string> &&promise);

td/telegram/Td.cpp

@@ -7897,23 +7897,33 @@ void Td::on_request(uint64 id, td_api::sendWebAppCustomRequest &request) {
 }
 
 void Td::on_request(uint64 id, const td_api::getBotMediaPreviews &request) {
+  CHECK_IS_USER();
   CREATE_REQUEST_PROMISE();
   bot_info_manager_->get_bot_media_previews(UserId(request.bot_user_id_), std::move(promise));
 }
 
 void Td::on_request(uint64 id, td_api::addBotMediaPreview &request) {
+  CHECK_IS_USER();
   CREATE_REQUEST_PROMISE();
   bot_info_manager_->add_bot_media_preview(UserId(request.bot_user_id_), request.language_code_,
                                            std::move(request.content_), std::move(promise));
 }
 
 void Td::on_request(uint64 id, td_api::editBotMediaPreview &request) {
+  CHECK_IS_USER();
   CREATE_REQUEST_PROMISE();
   bot_info_manager_->edit_bot_media_preview(UserId(request.bot_user_id_), request.language_code_,
                                             FileId(request.file_id_, 0), std::move(request.content_),
                                             std::move(promise));
 }
 
+void Td::on_request(uint64 id, const td_api::deleteBotMediaPreviews &request) {
+  CHECK_IS_USER();
+  CREATE_OK_REQUEST_PROMISE();
+  bot_info_manager_->delete_bot_media_previews(UserId(request.bot_user_id_), request.language_code_, request.file_ids_,
+                                               std::move(promise));
+}
+
 void Td::on_request(uint64 id, td_api::setBotName &request) {
   CLEAN_INPUT_STRING(request.name_);
   CREATE_OK_REQUEST_PROMISE();

td/telegram/Td.h

@@ -1463,6 +1463,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, td_api::editBotMediaPreview &request);
 
+  void on_request(uint64 id, const td_api::deleteBotMediaPreviews &request);
+
   void on_request(uint64 id, td_api::setBotName &request);
 
   void on_request(uint64 id, const td_api::getBotName &request);

td/telegram/cli.cpp

@@ -6596,6 +6596,13 @@ class CliClient final : public Actor {
       send_request(td_api::make_object<td_api::editBotMediaPreview>(
           bot_user_id, language_code, file_id,
           td_api::make_object<td_api::inputStoryContentVideo>(as_input_file(video), Auto(), 0.0, 1.5, true)));
+    } else if (op == "dbmp") {
+      UserId bot_user_id;
+      string language_code;
+      string file_ids;
+      get_args(args, bot_user_id, language_code, file_ids);
+      send_request(td_api::make_object<td_api::deleteBotMediaPreviews>(bot_user_id, language_code,
+                                                                       to_integers<int32>(file_ids)));
     } else if (op == "gbi") {
       UserId bot_user_id;
       string language_code;