Add td_api::setPinnedForumTopics.

td/generate/scheme/td_api.tl

@@ -6120,6 +6120,9 @@ toggleGeneralForumTopicIsHidden chat_id:int53 is_hidden:Bool = Ok;
 //@is_pinned Pass true to pin the topic; pass false to unpin it
 toggleForumTopicIsPinned chat_id:int53 message_thread_id:int53 is_pinned:Bool = Ok;
 
+//@description Changes the order of pinned forum topics @chat_id Chat identifier @message_thread_ids The new list of pinned forum topics
+setPinnedForumTopics chat_id:int53 message_thread_ids:vector<int53> = Ok;
+
 //@description Deletes all messages in a forum topic; requires can_delete_messages administrator right in the supergroup unless the user is creator of the topic, the topic has no messages from other users and has at most 11 messages
 //@chat_id Identifier of the chat
 //@message_thread_id Message thread identifier of the forum topic

td/telegram/ForumTopicManager.cpp

@@ -241,6 +241,47 @@ class UpdatePinnedForumTopicQuery final : public Td::ResultHandler {
   }
 };
 
+class ReorderPinnedForumTopicsQuery final : public Td::ResultHandler {
+  Promise<Unit> promise_;
+  ChannelId channel_id_;
+
+ public:
+  explicit ReorderPinnedForumTopicsQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
+  }
+
+  void send(ChannelId channel_id, const vector<MessageId> &top_thread_message_ids) {
+    channel_id_ = channel_id;
+
+    auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
+    CHECK(input_channel != nullptr);
+
+    int32 flags = telegram_api::channels_reorderPinnedForumTopics::FORCE_MASK;
+    send_query(G()->net_query_creator().create(
+        telegram_api::channels_reorderPinnedForumTopics(flags, true /*ignored*/, std::move(input_channel),
+                                                        MessageId::get_server_message_ids(top_thread_message_ids)),
+        {{channel_id}}));
+  }
+
+  void on_result(BufferSlice packet) final {
+    auto result_ptr = fetch_result<telegram_api::channels_reorderPinnedForumTopics>(packet);
+    if (result_ptr.is_error()) {
+      return on_error(result_ptr.move_as_error());
+    }
+
+    auto ptr = result_ptr.move_as_ok();
+    LOG(INFO) << "Receive result for ReorderPinnedForumTopicsQuery: " << to_string(ptr);
+    td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise_));
+  }
+
+  void on_error(Status status) final {
+    if (status.message() == "PINNED_TOPICS_NOT_MODIFIED" && !td_->auth_manager_->is_bot()) {
+      return promise_.set_value(Unit());
+    }
+    td_->contacts_manager_->on_get_channel_error(channel_id_, status, "ReorderPinnedForumTopicsQuery");
+    promise_.set_error(std::move(status));
+  }
+};
+
 class GetForumTopicQuery final : public Td::ResultHandler {
   Promise<td_api::object_ptr<td_api::forumTopic>> promise_;
   ChannelId channel_id_;
@@ -747,6 +788,21 @@ void ForumTopicManager::toggle_forum_topic_is_pinned(DialogId dialog_id, Message
       ->send(channel_id, top_thread_message_id, is_pinned);
 }
 
+void ForumTopicManager::set_pinned_forum_topics(DialogId dialog_id, vector<MessageId> top_thread_message_ids,
+                                                Promise<Unit> &&promise) {
+  TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
+  for (auto top_thread_message_id : top_thread_message_ids) {
+    TRY_STATUS_PROMISE(promise, can_be_message_thread_id(top_thread_message_id));
+  }
+  auto channel_id = dialog_id.get_channel_id();
+
+  if (!td_->contacts_manager_->get_channel_permissions(channel_id).can_pin_topics()) {
+    return promise.set_error(Status::Error(400, "Not enough rights to reorder forum topics"));
+  }
+
+  td_->create_handler<ReorderPinnedForumTopicsQuery>(std::move(promise))->send(channel_id, top_thread_message_ids);
+}
+
 void ForumTopicManager::delete_forum_topic(DialogId dialog_id, MessageId top_thread_message_id,
                                            Promise<Unit> &&promise) {
   TRY_STATUS_PROMISE(promise, is_forum(dialog_id));

td/telegram/ForumTopicManager.h

@@ -81,6 +81,8 @@ class ForumTopicManager final : public Actor {
   void toggle_forum_topic_is_pinned(DialogId dialog_id, MessageId top_thread_message_id, bool is_pinned,
                                     Promise<Unit> &&promise);
 
+  void set_pinned_forum_topics(DialogId dialog_id, vector<MessageId> top_thread_message_ids, Promise<Unit> &&promise);
+
   void delete_forum_topic(DialogId dialog_id, MessageId top_thread_message_id, Promise<Unit> &&promise);
 
   void delete_all_dialog_topics(DialogId dialog_id);

td/telegram/Td.cpp

@@ -5596,6 +5596,13 @@ void Td::on_request(uint64 id, const td_api::toggleForumTopicIsPinned &request)
                                                      request.is_pinned_, std::move(promise));
 }
 
+void Td::on_request(uint64 id, const td_api::setPinnedForumTopics &request) {
+  CHECK_IS_USER();
+  CREATE_OK_REQUEST_PROMISE();
+  forum_topic_manager_->set_pinned_forum_topics(
+      DialogId(request.chat_id_), MessageId::get_message_ids(request.message_thread_ids_), std::move(promise));
+}
+
 void Td::on_request(uint64 id, const td_api::deleteForumTopic &request) {
   CREATE_OK_REQUEST_PROMISE();
   forum_topic_manager_->delete_forum_topic(DialogId(request.chat_id_), MessageId(request.message_thread_id_),

td/telegram/Td.h

@@ -760,6 +760,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, const td_api::toggleForumTopicIsPinned &request);
 
+  void on_request(uint64 id, const td_api::setPinnedForumTopics &request);
+
   void on_request(uint64 id, const td_api::deleteForumTopic &request);
 
   void on_request(uint64 id, td_api::setGameScore &request);

td/telegram/cli.cpp

@@ -522,6 +522,10 @@ class CliClient final : public Actor {
     return as_message_id(str);
   }
 
+  static vector<int64> as_message_thread_ids(Slice str) {
+    return as_message_ids(str);
+  }
+
   td_api::object_ptr<td_api::MessageSender> as_message_sender(Slice sender_id) const {
     sender_id = trim(sender_id);
     if (sender_id.empty() || sender_id[0] != '-') {
@@ -3938,6 +3942,12 @@ class CliClient final : public Actor {
       bool is_pinned;
       get_args(args, chat_id, message_thread_id, is_pinned);
       send_request(td_api::make_object<td_api::toggleForumTopicIsPinned>(chat_id, message_thread_id, is_pinned));
+    } else if (op == "spft") {
+      ChatId chat_id;
+      string message_thread_ids;
+      get_args(args, chat_id, message_thread_ids);
+      send_request(
+          td_api::make_object<td_api::setPinnedForumTopics>(chat_id, as_message_thread_ids(message_thread_ids)));
     } else if (op == "dft") {
       ChatId chat_id;
       MessageThreadId message_thread_id;