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//
// 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/ForumTopicEditedData.h"
#include "td/telegram/ForumTopicInfo.h"
#include "td/telegram/MessageId.h"
#include "td/telegram/td_api.h"
#include "td/actor/actor.h"
#include "td/utils/common.h"
#include "td/utils/Promise.h"
#include "td/utils/Status.h"
#include "td/utils/WaitFreeHashMap.h"
namespace td {
class Td;
class ForumTopicManager final : public Actor {
public:
ForumTopicManager(Td *td, ActorShared<> parent);
ForumTopicManager(const ForumTopicManager &) = delete;
ForumTopicManager &operator=(const ForumTopicManager &) = delete;
ForumTopicManager(ForumTopicManager &&) = delete;
ForumTopicManager &operator=(ForumTopicManager &&) = delete;
~ForumTopicManager() final;
void create_forum_topic(DialogId dialog_id, string &&title, td_api::object_ptr<td_api::forumTopicIcon> &&icon,
Promise<td_api::object_ptr<td_api::forumTopicInfo>> &&promise);
void on_forum_topic_created(DialogId dialog_id, unique_ptr<ForumTopicInfo> &&forum_topic_info,
Promise<td_api::object_ptr<td_api::forumTopicInfo>> &&promise);
void edit_forum_topic(DialogId dialog_id, MessageId top_thread_message_id, string &&title,
CustomEmojiId icon_custom_emoji_id, Promise<Unit> &&promise);
void toggle_forum_topic_is_closed(DialogId dialog_id, MessageId top_thread_message_id, bool is_closed,
Promise<Unit> &&promise);
void delete_forum_topic(DialogId dialog_id, MessageId top_thread_message_id, Promise<Unit> &&promise);
void on_forum_topic_edited(DialogId dialog_id, MessageId top_thread_message_id,
const ForumTopicEditedData &edited_data);
private:
static constexpr size_t MAX_FORUM_TOPIC_TITLE_LENGTH = 128; // server side limit for forum topic title
struct DialogTopics {
WaitFreeHashMap<MessageId, unique_ptr<ForumTopicInfo>, MessageIdHash> topic_infos_;
};
void tear_down() final;
Status is_forum(DialogId dialog_id);
ForumTopicInfo *add_topic_info(DialogId dialog_id, unique_ptr<ForumTopicInfo> &&forum_topic_info);
ForumTopicInfo *get_topic_info(DialogId dialog_id, MessageId top_thread_message_id);
const ForumTopicInfo *get_topic_info(DialogId dialog_id, MessageId top_thread_message_id) const;
td_api::object_ptr<td_api::updateForumTopicInfo> get_update_forum_topic_info(DialogId dialog_id,
const ForumTopicInfo *topic_info) const;
void send_update_forum_topic_info(DialogId dialog_id, const ForumTopicInfo *topic_info) const;
Td *td_;
ActorShared<> parent_;
WaitFreeHashMap<DialogId, unique_ptr<DialogTopics>, DialogIdHash> dialog_topics_;
};
} // namespace td
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