Add td_api::forumTopicInfo.

CMakeLists.txt

@@ -352,6 +352,7 @@ set(TDLIB_SOURCE
   td/telegram/files/FileUploader.cpp
   td/telegram/files/PartsManager.cpp
   td/telegram/files/ResourceManager.cpp
+  td/telegram/ForumTopicInfo.cpp
   td/telegram/Game.cpp
   td/telegram/GameManager.cpp
   td/telegram/Global.cpp
@@ -579,6 +580,7 @@ set(TDLIB_SOURCE
   td/telegram/files/ResourceManager.h
   td/telegram/files/ResourceState.h
   td/telegram/FolderId.h
+  td/telegram/ForumTopicInfo.h
   td/telegram/FullMessageId.h
   td/telegram/Game.h
   td/telegram/GameManager.h

td/generate/scheme/td_api.tl

@@ -1297,6 +1297,18 @@ webAppInfo launch_id:int64 url:string = WebAppInfo;
 messageThreadInfo chat_id:int53 message_thread_id:int53 reply_info:messageReplyInfo unread_message_count:int32 messages:vector<message> draft_message:draftMessage = MessageThreadInfo;
 
 
+//@description Contains basic information about a forum topic
+//@message_thread_id Thread identifier of the topic
+//@title Title of the topic
+//@icon_color Color of the topic icon
+//@icon_custom_emoji_id Unique identifier of the custom emoji shown on the topic icon; 0 if none
+//@creation_date Date the topic was created
+//@creator_id Identifier of the creator of the topic
+//@is_outgoing True, if the topic was created by the current user
+//@is_closed True, if the topic is closed
+forumTopicInfo message_thread_id:int53 title:string icon_color:int32 icon_custom_emoji_id:int64 creation_date:int32 creator_id:MessageSender is_outgoing:Bool is_closed:Bool = ForumTopicInfo;
+
+
 //@class RichText @description Describes a text object inside an instant-view web page
 
 //@description A plain text @text Text

td/telegram/ContactsManager.cpp

@@ -6876,7 +6876,7 @@ void ContactsManager::toggle_username_is_active_impl(string &&username, bool is_
   const User *u = get_user(get_my_id());
   CHECK(u != nullptr);
   if (!u->usernames.can_toggle(username)) {
-    return promise.set_error(Status::Error(400, "Unknown username specified"));
+    return promise.set_error(Status::Error(400, "Wrong username specified"));
   }
   td_->create_handler<ToggleUsernameQuery>(std::move(promise))->send(std::move(username), is_active);
 }
@@ -7001,7 +7001,7 @@ void ContactsManager::toggle_channel_username_is_active(ChannelId channel_id, st
     return promise.set_error(Status::Error(400, "Not enough rights to change username"));
   }
   if (!c->usernames.can_toggle(username)) {
-    return promise.set_error(Status::Error(400, "Unknown username specified"));
+    return promise.set_error(Status::Error(400, "Wrong username specified"));
   }
   td_->create_handler<ToggleChannelUsernameQuery>(std::move(promise))->send(channel_id, std::move(username), is_active);
 }

td/telegram/ForumTopicInfo.cpp

@@ -0,0 +1,58 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include "td/telegram/ForumTopicInfo.h"
+
+#include "td/telegram/MessageSender.h"
+#include "td/telegram/ServerMessageId.h"
+#include "td/telegram/Td.h"
+
+#include "td/utils/logging.h"
+
+namespace td {
+
+ForumTopicInfo::ForumTopicInfo(Td *td, const tl_object_ptr<telegram_api::ForumTopic> &forum_topic_ptr) {
+  CHECK(forum_topic_ptr != nullptr);
+  if (forum_topic_ptr->get_id() != telegram_api::forumTopic::ID) {
+    LOG(ERROR) << "Receive " << to_string(forum_topic_ptr);
+    return;
+  }
+  const telegram_api::forumTopic *forum_topic = static_cast<const telegram_api::forumTopic *>(forum_topic_ptr.get());
+
+  top_thread_message_id_ = MessageId(ServerMessageId(forum_topic->id_));
+  title_ = forum_topic->title_;
+  icon_color_ = (forum_topic->icon_color_ & 0xFFFFFF);
+  if ((forum_topic->flags_ & telegram_api::forumTopic::ICON_EMOJI_ID_MASK) != 0) {
+    icon_custom_emoji_id_ = CustomEmojiId(forum_topic->icon_emoji_id_);
+  }
+  creation_date_ = forum_topic->date_;
+  creator_dialog_id_ = DialogId(forum_topic->from_id_);
+  is_outgoing_ = forum_topic->my_;
+  is_closed_ = forum_topic->closed_;
+  if (creation_date_ <= 0 || !top_thread_message_id_.is_valid() || !creator_dialog_id_.is_valid()) {
+    LOG(ERROR) << "Receive " << to_string(forum_topic_ptr);
+    top_thread_message_id_ = MessageId();
+    return;
+  }
+}
+
+td_api::object_ptr<td_api::forumTopicInfo> ForumTopicInfo::get_forum_topic_info_object(Td *td) const {
+  if (is_empty()) {
+    return nullptr;
+  }
+
+  auto creator_id = get_message_sender_object_const(td, creator_dialog_id_, "get_forum_topic_info_object");
+  return td_api::make_object<td_api::forumTopicInfo>(top_thread_message_id_.get(), title_, icon_color_,
+                                                     icon_custom_emoji_id_.get(), creation_date_, std::move(creator_id),
+                                                     is_outgoing_, is_closed_);
+}
+
+StringBuilder &operator<<(StringBuilder &string_builder, const ForumTopicInfo &topic_info) {
+  return string_builder << "Forum topic " << topic_info.top_thread_message_id_.get() << '/' << topic_info.title_
+                        << " by " << topic_info.creator_dialog_id_;
+}
+
+}  // namespace td

td/telegram/ForumTopicInfo.h

@@ -0,0 +1,48 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#pragma once
+
+#include "td/telegram/CustomEmojiId.h"
+#include "td/telegram/DialogId.h"
+#include "td/telegram/MessageId.h"
+#include "td/telegram/td_api.h"
+#include "td/telegram/telegram_api.h"
+
+#include "td/utils/common.h"
+#include "td/utils/StringBuilder.h"
+
+namespace td {
+
+class Td;
+
+class ForumTopicInfo {
+  MessageId top_thread_message_id_;
+  string title_;
+  int32 icon_color_ = 0x6FB9F0;
+  CustomEmojiId icon_custom_emoji_id_;
+  int32 creation_date_ = 0;
+  DialogId creator_dialog_id_;
+  bool is_outgoing_ = false;
+  bool is_closed_ = false;
+
+  friend StringBuilder &operator<<(StringBuilder &string_builder, const ForumTopicInfo &topic_info);
+
+ public:
+  ForumTopicInfo() = default;
+
+  ForumTopicInfo(Td *td, const tl_object_ptr<telegram_api::ForumTopic> &forum_topic_ptr);
+
+  bool is_empty() const {
+    return !top_thread_message_id_.is_valid();
+  }
+
+  td_api::object_ptr<td_api::forumTopicInfo> get_forum_topic_info_object(Td *td) const;
+};
+
+StringBuilder &operator<<(StringBuilder &string_builder, const ForumTopicInfo &topic_info);
+
+}  // namespace td