tdlight/td/telegram/ForumTopicManager.cpp
2022-12-26 15:11:55 +03:00

1010 lines
42 KiB
C++

//
// 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/ForumTopicManager.h"
#include "td/telegram/AccessRights.h"
#include "td/telegram/AuthManager.h"
#include "td/telegram/ChannelId.h"
#include "td/telegram/ContactsManager.h"
#include "td/telegram/CustomEmojiId.h"
#include "td/telegram/ForumTopic.h"
#include "td/telegram/ForumTopic.hpp"
#include "td/telegram/ForumTopicIcon.h"
#include "td/telegram/ForumTopicInfo.hpp"
#include "td/telegram/Global.h"
#include "td/telegram/logevent/LogEvent.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/MessageThreadDb.h"
#include "td/telegram/misc.h"
#include "td/telegram/NotificationManager.h"
#include "td/telegram/NotificationSettingsManager.h"
#include "td/telegram/OptionManager.h"
#include "td/telegram/ServerMessageId.h"
#include "td/telegram/Td.h"
#include "td/telegram/TdDb.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/UpdatesManager.h"
#include "td/utils/buffer.h"
#include "td/utils/logging.h"
#include "td/utils/Random.h"
#include "td/utils/Slice.h"
#include "td/utils/tl_helpers.h"
namespace td {
class CreateForumTopicQuery final : public Td::ResultHandler {
Promise<td_api::object_ptr<td_api::forumTopicInfo>> promise_;
ChannelId channel_id_;
DialogId creator_dialog_id_;
int64 random_id_;
public:
explicit CreateForumTopicQuery(Promise<td_api::object_ptr<td_api::forumTopicInfo>> &&promise)
: promise_(std::move(promise)) {
}
void send(ChannelId channel_id, const string &title, int32 icon_color, CustomEmojiId icon_custom_emoji_id,
DialogId as_dialog_id) {
channel_id_ = channel_id;
creator_dialog_id_ = DialogId(td_->contacts_manager_->get_my_id());
int32 flags = 0;
if (icon_color != -1) {
flags |= telegram_api::channels_createForumTopic::ICON_COLOR_MASK;
}
if (icon_custom_emoji_id.is_valid()) {
flags |= telegram_api::channels_createForumTopic::ICON_EMOJI_ID_MASK;
}
tl_object_ptr<telegram_api::InputPeer> as_input_peer;
if (as_dialog_id.is_valid()) {
as_input_peer = td_->messages_manager_->get_input_peer(as_dialog_id, AccessRights::Write);
if (as_input_peer != nullptr) {
flags |= telegram_api::channels_createForumTopic::SEND_AS_MASK;
creator_dialog_id_ = as_dialog_id;
}
}
do {
random_id_ = Random::secure_int64();
} while (random_id_ == 0);
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
send_query(G()->net_query_creator().create(
telegram_api::channels_createForumTopic(flags, std::move(input_channel), title, icon_color,
icon_custom_emoji_id.get(), random_id_, std::move(as_input_peer)),
{{channel_id}}));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_createForumTopic>(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 CreateForumTopicQuery: " << to_string(ptr);
auto message = UpdatesManager::get_message_by_random_id(ptr.get(), DialogId(channel_id_), random_id_);
if (message == nullptr || message->get_id() != telegram_api::messageService::ID) {
LOG(ERROR) << "Receive invalid result for CreateForumTopicQuery: " << to_string(ptr);
return promise_.set_error(Status::Error(400, "Invalid result received"));
}
auto service_message = static_cast<const telegram_api::messageService *>(message);
if (service_message->action_->get_id() != telegram_api::messageActionTopicCreate::ID) {
LOG(ERROR) << "Receive invalid result for CreateForumTopicQuery: " << to_string(ptr);
return promise_.set_error(Status::Error(400, "Invalid result received"));
}
auto action = static_cast<const telegram_api::messageActionTopicCreate *>(service_message->action_.get());
auto forum_topic_info =
td::make_unique<ForumTopicInfo>(MessageId(ServerMessageId(service_message->id_)), action->title_,
ForumTopicIcon(action->icon_color_, action->icon_emoji_id_),
service_message->date_, creator_dialog_id_, true, false, false);
td_->updates_manager_->on_get_updates(
std::move(ptr),
PromiseCreator::lambda([dialog_id = DialogId(channel_id_), forum_topic_info = std::move(forum_topic_info),
promise = std::move(promise_)](Unit result) mutable {
send_closure(G()->forum_topic_manager(), &ForumTopicManager::on_forum_topic_created, dialog_id,
std::move(forum_topic_info), std::move(promise));
}));
}
void on_error(Status status) final {
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "CreateForumTopicQuery");
promise_.set_error(std::move(status));
}
};
class EditForumTopicQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
ChannelId channel_id_;
MessageId top_thread_message_id_;
public:
explicit EditForumTopicQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id, MessageId top_thread_message_id, bool edit_title, const string &title,
bool edit_custom_emoji_id, CustomEmojiId icon_custom_emoji_id) {
channel_id_ = channel_id;
top_thread_message_id_ = top_thread_message_id;
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
int32 flags = 0;
if (edit_title) {
flags |= telegram_api::channels_editForumTopic::TITLE_MASK;
}
if (edit_custom_emoji_id) {
flags |= telegram_api::channels_editForumTopic::ICON_EMOJI_ID_MASK;
}
send_query(G()->net_query_creator().create(
telegram_api::channels_editForumTopic(flags, std::move(input_channel),
top_thread_message_id_.get_server_message_id().get(), title,
icon_custom_emoji_id.get(), false, false),
{{channel_id}}));
}
void send(ChannelId channel_id, MessageId top_thread_message_id, bool is_closed) {
channel_id_ = channel_id;
top_thread_message_id_ = top_thread_message_id;
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
int32 flags = telegram_api::channels_editForumTopic::CLOSED_MASK;
send_query(G()->net_query_creator().create(
telegram_api::channels_editForumTopic(flags, std::move(input_channel),
top_thread_message_id_.get_server_message_id().get(), string(), 0,
is_closed, false),
{{channel_id}}));
}
void send(ChannelId channel_id, bool is_hidden) {
channel_id_ = channel_id;
top_thread_message_id_ = MessageId(ServerMessageId(1));
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
int32 flags = telegram_api::channels_editForumTopic::HIDDEN_MASK;
send_query(G()->net_query_creator().create(
telegram_api::channels_editForumTopic(flags, std::move(input_channel),
top_thread_message_id_.get_server_message_id().get(), string(), 0, false,
is_hidden),
{{channel_id}}));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_editForumTopic>(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 EditForumTopicQuery: " << to_string(ptr);
td_->updates_manager_->on_get_updates(std::move(ptr), std::move(promise_));
}
void on_error(Status status) final {
if (status.message() == "TOPIC_NOT_MODIFIED" && !td_->auth_manager_->is_bot()) {
return promise_.set_value(Unit());
}
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "EditForumTopicQuery");
promise_.set_error(std::move(status));
}
};
class GetForumTopicQuery final : public Td::ResultHandler {
Promise<td_api::object_ptr<td_api::forumTopic>> promise_;
ChannelId channel_id_;
MessageId top_thread_message_id_;
public:
explicit GetForumTopicQuery(Promise<td_api::object_ptr<td_api::forumTopic>> &&promise)
: promise_(std::move(promise)) {
}
void send(ChannelId channel_id, MessageId top_thread_message_id) {
channel_id_ = channel_id;
top_thread_message_id_ = top_thread_message_id;
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
send_query(G()->net_query_creator().create(
telegram_api::channels_getForumTopicsByID(std::move(input_channel),
{top_thread_message_id_.get_server_message_id().get()}),
{{channel_id}}));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_getForumTopicsByID>(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 GetForumTopicQuery: " << to_string(ptr);
td_->contacts_manager_->on_get_users(std::move(ptr->users_), "GetForumTopicQuery");
td_->contacts_manager_->on_get_chats(std::move(ptr->chats_), "GetForumTopicQuery");
if (ptr->topics_.size() != 1u) {
return promise_.set_value(nullptr);
}
MessagesInfo messages_info;
messages_info.messages = std::move(ptr->messages_);
messages_info.total_count = ptr->count_;
messages_info.is_channel_messages = true;
td_->messages_manager_->get_channel_difference_if_needed(
DialogId(channel_id_), std::move(messages_info),
PromiseCreator::lambda([actor_id = td_->forum_topic_manager_actor_.get(), channel_id = channel_id_,
top_thread_message_id = top_thread_message_id_, topic = std::move(ptr->topics_[0]),
promise = std::move(promise_)](Result<MessagesInfo> &&result) mutable {
if (result.is_error()) {
promise.set_error(result.move_as_error());
} else {
auto info = result.move_as_ok();
send_closure(actor_id, &ForumTopicManager::on_get_forum_topic, channel_id, top_thread_message_id,
std::move(info), std::move(topic), std::move(promise));
}
}));
}
void on_error(Status status) final {
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "GetForumTopicQuery");
promise_.set_error(std::move(status));
}
};
class GetForumTopicsQuery final : public Td::ResultHandler {
Promise<td_api::object_ptr<td_api::forumTopics>> promise_;
ChannelId channel_id_;
public:
explicit GetForumTopicsQuery(Promise<td_api::object_ptr<td_api::forumTopics>> &&promise)
: promise_(std::move(promise)) {
}
void send(ChannelId channel_id, const string &query, int32 offset_date, MessageId offset_message_id,
MessageId offset_top_thread_message_id, int32 limit) {
channel_id_ = channel_id;
auto input_channel = td_->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
int32 flags = 0;
if (!query.empty()) {
flags |= telegram_api::channels_getForumTopics::Q_MASK;
}
send_query(G()->net_query_creator().create(
telegram_api::channels_getForumTopics(flags, std::move(input_channel), query, offset_date,
offset_message_id.get_server_message_id().get(),
offset_top_thread_message_id.get_server_message_id().get(), limit),
{{channel_id}}));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::channels_getForumTopics>(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 GetForumTopicsQuery: " << to_string(ptr);
td_->contacts_manager_->on_get_users(std::move(ptr->users_), "GetForumTopicsQuery");
td_->contacts_manager_->on_get_chats(std::move(ptr->chats_), "GetForumTopicsQuery");
MessagesInfo messages_info;
messages_info.messages = std::move(ptr->messages_);
messages_info.total_count = ptr->count_;
messages_info.is_channel_messages = true;
// ignore ptr->pts_
td_->messages_manager_->get_channel_difference_if_needed(
DialogId(channel_id_), std::move(messages_info),
PromiseCreator::lambda([actor_id = td_->forum_topic_manager_actor_.get(), channel_id = channel_id_,
order_by_creation_date = ptr->order_by_create_date_, topics = std::move(ptr->topics_),
promise = std::move(promise_)](Result<MessagesInfo> &&result) mutable {
if (result.is_error()) {
promise.set_error(result.move_as_error());
} else {
auto info = result.move_as_ok();
send_closure(actor_id, &ForumTopicManager::on_get_forum_topics, channel_id, order_by_creation_date,
std::move(info), std::move(topics), std::move(promise));
}
}));
}
void on_error(Status status) final {
td_->contacts_manager_->on_get_channel_error(channel_id_, status, "GetForumTopicsQuery");
promise_.set_error(std::move(status));
}
};
template <class StorerT>
void ForumTopicManager::Topic::store(StorerT &storer) const {
CHECK(info_ != nullptr);
using td::store;
store(MAGIC, storer);
bool has_topic = topic_ != nullptr;
BEGIN_STORE_FLAGS();
STORE_FLAG(has_topic);
END_STORE_FLAGS();
store(info_, storer);
if (has_topic) {
store(topic_, storer);
}
}
template <class ParserT>
void ForumTopicManager::Topic::parse(ParserT &parser) {
CHECK(info_ != nullptr);
using td::parse;
int32 magic;
parse(magic, parser);
if (magic != MAGIC) {
return parser.set_error("Invalid magic");
}
bool has_topic;
BEGIN_PARSE_FLAGS();
PARSE_FLAG(has_topic);
END_PARSE_FLAGS();
parse(info_, parser);
if (has_topic) {
parse(topic_, parser);
}
}
ForumTopicManager::ForumTopicManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
}
ForumTopicManager::~ForumTopicManager() {
Scheduler::instance()->destroy_on_scheduler(G()->get_gc_scheduler_id(), dialog_topics_);
}
void ForumTopicManager::tear_down() {
parent_.reset();
}
void ForumTopicManager::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) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
auto channel_id = dialog_id.get_channel_id();
if (!td_->contacts_manager_->get_channel_permissions(channel_id).can_create_topics()) {
return promise.set_error(Status::Error(400, "Not enough rights to create a topic"));
}
auto new_title = clean_name(std::move(title), MAX_FORUM_TOPIC_TITLE_LENGTH);
if (new_title.empty()) {
return promise.set_error(Status::Error(400, "Title must be non-empty"));
}
int32 icon_color = -1;
CustomEmojiId icon_custom_emoji_id;
if (icon != nullptr) {
icon_color = icon->color_;
if (icon_color < 0 || icon_color > 0xFFFFFF) {
return promise.set_error(Status::Error(400, "Invalid icon color specified"));
}
icon_custom_emoji_id = CustomEmojiId(icon->custom_emoji_id_);
}
DialogId as_dialog_id = td_->messages_manager_->get_dialog_default_send_message_as_dialog_id(dialog_id);
td_->create_handler<CreateForumTopicQuery>(std::move(promise))
->send(channel_id, new_title, icon_color, icon_custom_emoji_id, as_dialog_id);
}
void ForumTopicManager::on_forum_topic_created(DialogId dialog_id, unique_ptr<ForumTopicInfo> &&forum_topic_info,
Promise<td_api::object_ptr<td_api::forumTopicInfo>> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
CHECK(forum_topic_info != nullptr);
MessageId top_thread_message_id = forum_topic_info->get_top_thread_message_id();
auto topic = add_topic(dialog_id, top_thread_message_id);
if (topic == nullptr) {
return promise.set_value(forum_topic_info->get_forum_topic_info_object(td_));
}
if (topic->info_ == nullptr) {
set_topic_info(dialog_id, topic, std::move(forum_topic_info));
}
save_topic_to_database(dialog_id, topic);
promise.set_value(topic->info_->get_forum_topic_info_object(td_));
}
void ForumTopicManager::edit_forum_topic(DialogId dialog_id, MessageId top_thread_message_id, string &&title,
bool edit_icon_custom_emoji, CustomEmojiId icon_custom_emoji_id,
Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
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_edit_topics()) {
auto topic_info = get_topic_info(dialog_id, top_thread_message_id);
if (topic_info != nullptr && !topic_info->is_outgoing()) {
return promise.set_error(Status::Error(400, "Not enough rights to edit the topic"));
}
}
bool edit_title = !title.empty();
auto new_title = clean_name(std::move(title), MAX_FORUM_TOPIC_TITLE_LENGTH);
if (edit_title && new_title.empty()) {
return promise.set_error(Status::Error(400, "Title must be non-empty"));
}
if (!edit_title && !edit_icon_custom_emoji) {
return promise.set_value(Unit());
}
td_->create_handler<EditForumTopicQuery>(std::move(promise))
->send(channel_id, top_thread_message_id, edit_title, new_title, edit_icon_custom_emoji, icon_custom_emoji_id);
}
void ForumTopicManager::on_update_forum_topic_unread(DialogId dialog_id, MessageId top_thread_message_id,
MessageId last_message_id, MessageId last_read_inbox_message_id,
MessageId last_read_outbox_message_id, int32 unread_count) {
if (td_->auth_manager_->is_bot()) {
return;
}
auto topic = get_topic(dialog_id, top_thread_message_id);
if (topic == nullptr || topic->topic_ == nullptr) {
return;
}
if (topic->topic_->update_last_read_outbox_message_id(last_read_outbox_message_id)) {
// TODO send updates
}
if (topic->topic_->update_last_read_inbox_message_id(last_read_inbox_message_id, unread_count)) {
// TODO send updates
}
}
DialogNotificationSettings *ForumTopicManager::get_forum_topic_notification_settings(DialogId dialog_id,
MessageId top_thread_message_id) {
auto topic = get_topic(dialog_id, top_thread_message_id);
if (topic == nullptr || topic->topic_ == nullptr) {
return nullptr;
}
return topic->topic_->get_notification_settings();
}
const DialogNotificationSettings *ForumTopicManager::get_forum_topic_notification_settings(
DialogId dialog_id, MessageId top_thread_message_id) const {
auto topic = get_topic(dialog_id, top_thread_message_id);
if (topic == nullptr || topic->topic_ == nullptr) {
return nullptr;
}
return topic->topic_->get_notification_settings();
}
void ForumTopicManager::on_update_forum_topic_notify_settings(
DialogId dialog_id, MessageId top_thread_message_id,
tl_object_ptr<telegram_api::peerNotifySettings> &&peer_notify_settings, const char *source) {
if (td_->auth_manager_->is_bot()) {
return;
}
VLOG(notifications) << "Receive notification settings for topic of " << top_thread_message_id << " in " << dialog_id
<< " from " << source << ": " << to_string(peer_notify_settings);
DialogNotificationSettings *current_settings =
get_forum_topic_notification_settings(dialog_id, top_thread_message_id);
if (current_settings == nullptr) {
return;
}
auto notification_settings = get_dialog_notification_settings(std::move(peer_notify_settings), current_settings);
if (!notification_settings.is_synchronized) {
return;
}
update_forum_topic_notification_settings(dialog_id, top_thread_message_id, current_settings,
std::move(notification_settings));
}
Status ForumTopicManager::set_forum_topic_notification_settings(
DialogId dialog_id, MessageId top_thread_message_id,
tl_object_ptr<td_api::chatNotificationSettings> &&notification_settings) {
CHECK(!td_->auth_manager_->is_bot());
TRY_STATUS(is_forum(dialog_id));
TRY_STATUS(can_be_message_thread_id(top_thread_message_id));
auto current_settings = get_forum_topic_notification_settings(dialog_id, top_thread_message_id);
if (current_settings == nullptr) {
return Status::Error(400, "Unknown forum topic identifier specified");
}
TRY_RESULT(new_settings, get_dialog_notification_settings(std::move(notification_settings), current_settings));
if (update_forum_topic_notification_settings(dialog_id, top_thread_message_id, current_settings,
std::move(new_settings))) {
// TODO log event
td_->notification_settings_manager_->update_dialog_notify_settings(dialog_id, top_thread_message_id,
*current_settings, Promise<Unit>());
}
return Status::OK();
}
bool ForumTopicManager::update_forum_topic_notification_settings(DialogId dialog_id, MessageId top_thread_message_id,
DialogNotificationSettings *current_settings,
DialogNotificationSettings &&new_settings) {
if (td_->auth_manager_->is_bot()) {
// just in case
return false;
}
auto need_update = need_update_dialog_notification_settings(current_settings, new_settings);
if (need_update.are_changed) {
// TODO update unmute timeouts, td_api updates, remove notifications
*current_settings = std::move(new_settings);
auto topic = get_topic(dialog_id, top_thread_message_id);
CHECK(topic != nullptr);
topic->need_save_to_database_ = true;
save_topic_to_database(dialog_id, topic);
}
return need_update.need_update_server;
}
void ForumTopicManager::get_forum_topic(DialogId dialog_id, MessageId top_thread_message_id,
Promise<td_api::object_ptr<td_api::forumTopic>> &&promise) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
TRY_STATUS_PROMISE(promise, can_be_message_thread_id(top_thread_message_id));
auto channel_id = dialog_id.get_channel_id();
td_->create_handler<GetForumTopicQuery>(std::move(promise))->send(channel_id, top_thread_message_id);
}
void ForumTopicManager::on_get_forum_topic(ChannelId channel_id, MessageId expected_top_thread_message_id,
MessagesInfo &&info,
telegram_api::object_ptr<telegram_api::ForumTopic> &&topic,
Promise<td_api::object_ptr<td_api::forumTopic>> &&promise) {
DialogId dialog_id(channel_id);
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
td_->messages_manager_->on_get_messages(std::move(info.messages), true, false, Promise<Unit>(), "on_get_forum_topic");
auto top_thread_message_id = on_get_forum_topic_impl(dialog_id, std::move(topic));
if (!top_thread_message_id.is_valid()) {
return promise.set_value(nullptr);
}
if (top_thread_message_id != expected_top_thread_message_id) {
return promise.set_error(Status::Error(500, "Wrong forum topic received"));
}
promise.set_value(get_forum_topic_object(dialog_id, top_thread_message_id));
}
void ForumTopicManager::get_forum_topic_link(DialogId dialog_id, MessageId top_thread_message_id,
Promise<td_api::object_ptr<td_api::messageLink>> &&promise) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
TRY_STATUS_PROMISE(promise, can_be_message_thread_id(top_thread_message_id));
auto channel_id = dialog_id.get_channel_id();
SliceBuilder sb;
sb << td_->option_manager_->get_option_string("t_me_url", "https://t.me/");
bool is_public = false;
auto dialog_username = td_->contacts_manager_->get_channel_first_username(channel_id);
if (!dialog_username.empty()) {
sb << dialog_username;
is_public = true;
} else {
sb << "c/" << channel_id.get();
}
sb << '/' << top_thread_message_id.get_server_message_id().get();
promise.set_value(td_api::make_object<td_api::messageLink>(sb.as_cslice().str(), is_public));
}
void ForumTopicManager::get_forum_topics(DialogId dialog_id, string query, int32 offset_date,
MessageId offset_message_id, MessageId offset_top_thread_message_id,
int32 limit, Promise<td_api::object_ptr<td_api::forumTopics>> promise) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
auto channel_id = dialog_id.get_channel_id();
if (offset_date < 0) {
return promise.set_error(Status::Error(400, "Invalid offset date specified"));
}
if (offset_message_id != MessageId() && !offset_message_id.is_valid() && !offset_message_id.is_server()) {
return promise.set_error(Status::Error(400, "Invalid offset message identifier specified"));
}
if (offset_top_thread_message_id != MessageId()) {
TRY_STATUS_PROMISE(promise, can_be_message_thread_id(offset_top_thread_message_id));
}
if (limit <= 0) {
return promise.set_error(Status::Error(400, "Invalid limit specified"));
}
td_->create_handler<GetForumTopicsQuery>(std::move(promise))
->send(channel_id, query, offset_date, offset_message_id, offset_top_thread_message_id, limit);
}
void ForumTopicManager::on_get_forum_topics(ChannelId channel_id, bool order_by_creation_date, MessagesInfo &&info,
vector<telegram_api::object_ptr<telegram_api::ForumTopic>> &&topics,
Promise<td_api::object_ptr<td_api::forumTopics>> &&promise) {
DialogId dialog_id(channel_id);
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
td_->messages_manager_->on_get_messages(std::move(info.messages), true, false, Promise<Unit>(),
"on_get_forum_topics");
vector<td_api::object_ptr<td_api::forumTopic>> forum_topics;
int32 next_offset_date = 0;
MessageId next_offset_message_id;
MessageId next_offset_top_thread_message_id;
for (auto &topic : topics) {
auto top_thread_message_id = on_get_forum_topic_impl(dialog_id, std::move(topic));
if (!top_thread_message_id.is_valid()) {
continue;
}
auto forum_topic_object = get_forum_topic_object(dialog_id, top_thread_message_id);
CHECK(forum_topic_object != nullptr);
if (order_by_creation_date || forum_topic_object->last_message_ == nullptr) {
next_offset_date = forum_topic_object->info_->creation_date_;
} else {
next_offset_date = forum_topic_object->last_message_->date_;
}
next_offset_message_id =
forum_topic_object->last_message_ != nullptr ? MessageId(forum_topic_object->last_message_->id_) : MessageId();
next_offset_top_thread_message_id = top_thread_message_id;
forum_topics.push_back(std::move(forum_topic_object));
}
promise.set_value(td_api::make_object<td_api::forumTopics>(info.total_count, std::move(forum_topics),
next_offset_date, next_offset_message_id.get(),
next_offset_top_thread_message_id.get()));
}
void ForumTopicManager::toggle_forum_topic_is_closed(DialogId dialog_id, MessageId top_thread_message_id,
bool is_closed, Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
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_edit_topics()) {
auto topic_info = get_topic_info(dialog_id, top_thread_message_id);
if (topic_info != nullptr && !topic_info->is_outgoing()) {
return promise.set_error(Status::Error(400, "Not enough rights to close or open the topic"));
}
}
td_->create_handler<EditForumTopicQuery>(std::move(promise))->send(channel_id, top_thread_message_id, is_closed);
}
void ForumTopicManager::toggle_forum_topic_is_hidden(DialogId dialog_id, bool is_hidden, Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
auto channel_id = dialog_id.get_channel_id();
if (!td_->contacts_manager_->get_channel_permissions(channel_id).can_edit_topics()) {
return promise.set_error(Status::Error(400, "Not enough rights to close or open the topic"));
}
td_->create_handler<EditForumTopicQuery>(std::move(promise))->send(channel_id, is_hidden);
}
void ForumTopicManager::delete_forum_topic(DialogId dialog_id, MessageId top_thread_message_id,
Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
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_delete_messages()) {
auto topic_info = get_topic_info(dialog_id, top_thread_message_id);
if (topic_info != nullptr && !topic_info->is_outgoing()) {
return promise.set_error(Status::Error(400, "Not enough rights to delete the topic"));
}
}
auto delete_promise = PromiseCreator::lambda([actor_id = actor_id(this), dialog_id, top_thread_message_id,
promise = std::move(promise)](Result<Unit> result) mutable {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
send_closure(actor_id, &ForumTopicManager::on_delete_forum_topic, dialog_id, top_thread_message_id,
std::move(promise));
});
td_->messages_manager_->delete_topic_history(dialog_id, top_thread_message_id, std::move(delete_promise));
}
void ForumTopicManager::on_delete_forum_topic(DialogId dialog_id, MessageId top_thread_message_id,
Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, G()->close_status());
auto *dialog_topics = dialog_topics_.get_pointer(dialog_id);
if (dialog_topics != nullptr) {
dialog_topics->topics_.erase(top_thread_message_id);
dialog_topics->deleted_topic_ids_.insert(top_thread_message_id);
}
delete_topic_from_database(dialog_id, top_thread_message_id, std::move(promise));
}
void ForumTopicManager::delete_all_dialog_topics(DialogId dialog_id) {
dialog_topics_.erase(dialog_id);
auto message_thread_db = G()->td_db()->get_message_thread_db_async();
if (message_thread_db == nullptr) {
return;
}
LOG(INFO) << "Delete all topics in " << dialog_id << " from database";
message_thread_db->delete_all_dialog_message_threads(dialog_id, Auto());
}
void ForumTopicManager::on_forum_topic_edited(DialogId dialog_id, MessageId top_thread_message_id,
const ForumTopicEditedData &edited_data) {
auto topic = get_topic(dialog_id, top_thread_message_id);
if (topic == nullptr || topic->info_ == nullptr) {
return;
}
if (topic->info_->apply_edited_data(edited_data)) {
send_update_forum_topic_info(dialog_id, topic->info_.get());
topic->need_save_to_database_ = true;
}
save_topic_to_database(dialog_id, topic);
}
void ForumTopicManager::on_get_forum_topic_info(DialogId dialog_id, const ForumTopicInfo &topic_info,
const char *source) {
if (!can_be_forum(dialog_id)) {
LOG(ERROR) << "Receive forum topics in " << dialog_id << " from " << source;
return;
}
auto dialog_topics = add_dialog_topics(dialog_id);
CHECK(dialog_topics != nullptr);
auto forum_topic_info = td::make_unique<ForumTopicInfo>(topic_info);
MessageId top_thread_message_id = forum_topic_info->get_top_thread_message_id();
CHECK(can_be_message_thread_id(top_thread_message_id).is_ok());
auto topic = add_topic(dialog_topics, top_thread_message_id);
if (topic == nullptr) {
return;
}
set_topic_info(dialog_id, topic, std::move(forum_topic_info));
save_topic_to_database(dialog_id, topic);
}
void ForumTopicManager::on_get_forum_topic_infos(DialogId dialog_id,
vector<tl_object_ptr<telegram_api::ForumTopic>> &&forum_topics,
const char *source) {
if (forum_topics.empty()) {
return;
}
if (!can_be_forum(dialog_id)) {
LOG(ERROR) << "Receive forum topics in " << dialog_id << " from " << source;
return;
}
auto dialog_topics = add_dialog_topics(dialog_id);
CHECK(dialog_topics != nullptr);
for (auto &forum_topic : forum_topics) {
auto forum_topic_info = td::make_unique<ForumTopicInfo>(forum_topic);
MessageId top_thread_message_id = forum_topic_info->get_top_thread_message_id();
if (can_be_message_thread_id(top_thread_message_id).is_error()) {
continue;
}
auto topic = add_topic(dialog_topics, top_thread_message_id);
if (topic != nullptr) {
set_topic_info(dialog_id, topic, std::move(forum_topic_info));
save_topic_to_database(dialog_id, topic);
}
}
}
MessageId ForumTopicManager::on_get_forum_topic_impl(DialogId dialog_id,
tl_object_ptr<telegram_api::ForumTopic> &&forum_topic) {
CHECK(forum_topic != nullptr);
switch (forum_topic->get_id()) {
case telegram_api::forumTopicDeleted::ID: {
auto top_thread_message_id =
MessageId(ServerMessageId(static_cast<const telegram_api::forumTopicDeleted *>(forum_topic.get())->id_));
if (!top_thread_message_id.is_valid()) {
LOG(ERROR) << "Receive " << to_string(forum_topic);
return MessageId();
}
on_delete_forum_topic(dialog_id, top_thread_message_id, Promise<Unit>());
return MessageId();
}
case telegram_api::forumTopic::ID: {
auto forum_topic_info = td::make_unique<ForumTopicInfo>(forum_topic);
MessageId top_thread_message_id = forum_topic_info->get_top_thread_message_id();
Topic *topic = add_topic(dialog_id, top_thread_message_id);
if (topic == nullptr) {
return MessageId();
}
auto current_notification_settings =
topic->topic_ == nullptr ? nullptr : topic->topic_->get_notification_settings();
auto forum_topic_full = td::make_unique<ForumTopic>(td_, std::move(forum_topic), current_notification_settings);
if (forum_topic_full->is_short()) {
LOG(ERROR) << "Receive short " << to_string(forum_topic);
return MessageId();
}
if (topic->topic_ == nullptr || true) {
topic->topic_ = std::move(forum_topic_full);
topic->need_save_to_database_ = true; // temporary
}
set_topic_info(dialog_id, topic, std::move(forum_topic_info));
save_topic_to_database(dialog_id, topic);
return top_thread_message_id;
}
default:
UNREACHABLE();
return MessageId();
}
}
td_api::object_ptr<td_api::forumTopic> ForumTopicManager::get_forum_topic_object(
DialogId dialog_id, MessageId top_thread_message_id) const {
auto topic = get_topic(dialog_id, top_thread_message_id);
if (topic == nullptr || topic->topic_ == nullptr) {
return nullptr;
}
CHECK(topic->info_ != nullptr);
return topic->topic_->get_forum_topic_object(td_, dialog_id, *topic->info_);
}
Status ForumTopicManager::is_forum(DialogId dialog_id) {
if (!td_->messages_manager_->have_dialog_force(dialog_id, "ForumTopicManager::is_forum")) {
return Status::Error(400, "Chat not found");
}
if (dialog_id.get_type() != DialogType::Channel ||
!td_->contacts_manager_->is_forum_channel(dialog_id.get_channel_id())) {
return Status::Error(400, "The chat is not a forum");
}
return Status::OK();
}
bool ForumTopicManager::can_be_forum(DialogId dialog_id) const {
return dialog_id.get_type() == DialogType::Channel &&
td_->contacts_manager_->is_megagroup_channel(dialog_id.get_channel_id());
}
Status ForumTopicManager::can_be_message_thread_id(MessageId top_thread_message_id) {
if (!top_thread_message_id.is_valid() || !top_thread_message_id.is_server()) {
return Status::Error(400, "Invalid message thread identifier specified");
}
return Status::OK();
}
ForumTopicManager::DialogTopics *ForumTopicManager::add_dialog_topics(DialogId dialog_id) {
auto *dialog_topics = dialog_topics_.get_pointer(dialog_id);
if (dialog_topics == nullptr) {
auto new_dialog_topics = make_unique<DialogTopics>();
dialog_topics = new_dialog_topics.get();
dialog_topics_.set(dialog_id, std::move(new_dialog_topics));
}
return dialog_topics;
}
ForumTopicManager::Topic *ForumTopicManager::add_topic(DialogTopics *dialog_topics, MessageId top_thread_message_id) {
auto topic = dialog_topics->topics_.get_pointer(top_thread_message_id);
if (topic == nullptr) {
if (dialog_topics->deleted_topic_ids_.count(top_thread_message_id) > 0) {
return nullptr;
}
auto new_topic = make_unique<Topic>();
topic = new_topic.get();
dialog_topics->topics_.set(top_thread_message_id, std::move(new_topic));
}
return topic;
}
ForumTopicManager::Topic *ForumTopicManager::add_topic(DialogId dialog_id, MessageId top_thread_message_id) {
return add_topic(add_dialog_topics(dialog_id), top_thread_message_id);
}
ForumTopicManager::Topic *ForumTopicManager::get_topic(DialogId dialog_id, MessageId top_thread_message_id) {
auto *dialog_topics = dialog_topics_.get_pointer(dialog_id);
if (dialog_topics == nullptr) {
return nullptr;
}
return dialog_topics->topics_.get_pointer(top_thread_message_id);
}
const ForumTopicManager::Topic *ForumTopicManager::get_topic(DialogId dialog_id,
MessageId top_thread_message_id) const {
auto *dialog_topics = dialog_topics_.get_pointer(dialog_id);
if (dialog_topics == nullptr) {
return nullptr;
}
return dialog_topics->topics_.get_pointer(top_thread_message_id);
}
ForumTopicInfo *ForumTopicManager::get_topic_info(DialogId dialog_id, MessageId top_thread_message_id) {
auto *topic = get_topic(dialog_id, top_thread_message_id);
if (topic == nullptr) {
return nullptr;
}
return topic->info_.get();
}
const ForumTopicInfo *ForumTopicManager::get_topic_info(DialogId dialog_id, MessageId top_thread_message_id) const {
auto *topic = get_topic(dialog_id, top_thread_message_id);
if (topic == nullptr) {
return nullptr;
}
return topic->info_.get();
}
void ForumTopicManager::set_topic_info(DialogId dialog_id, Topic *topic, unique_ptr<ForumTopicInfo> forum_topic_info) {
if (topic->info_ == nullptr || *topic->info_ != *forum_topic_info) {
topic->info_ = std::move(forum_topic_info);
send_update_forum_topic_info(dialog_id, topic->info_.get());
topic->need_save_to_database_ = true;
}
}
td_api::object_ptr<td_api::updateForumTopicInfo> ForumTopicManager::get_update_forum_topic_info(
DialogId dialog_id, const ForumTopicInfo *topic_info) const {
return td_api::make_object<td_api::updateForumTopicInfo>(dialog_id.get(),
topic_info->get_forum_topic_info_object(td_));
}
void ForumTopicManager::send_update_forum_topic_info(DialogId dialog_id, const ForumTopicInfo *topic_info) const {
if (td_->auth_manager_->is_bot()) {
return;
}
send_closure(G()->td(), &Td::send_update, get_update_forum_topic_info(dialog_id, topic_info));
}
void ForumTopicManager::save_topic_to_database(DialogId dialog_id, const Topic *topic) {
CHECK(topic != nullptr);
if (topic->info_ == nullptr || !topic->need_save_to_database_) {
return;
}
topic->need_save_to_database_ = false;
auto message_thread_db = G()->td_db()->get_message_thread_db_async();
if (message_thread_db == nullptr) {
return;
}
auto top_thread_message_id = topic->info_->get_top_thread_message_id();
LOG(INFO) << "Save topic of " << top_thread_message_id << " in " << dialog_id << " to database";
message_thread_db->add_message_thread(dialog_id, top_thread_message_id, 0, log_event_store(*topic), Auto());
}
void ForumTopicManager::delete_topic_from_database(DialogId dialog_id, MessageId top_thread_message_id,
Promise<Unit> &&promise) {
auto message_thread_db = G()->td_db()->get_message_thread_db_async();
if (message_thread_db == nullptr) {
return promise.set_value(Unit());
}
LOG(INFO) << "Delete topic of " << top_thread_message_id << " in " << dialog_id << " from database";
message_thread_db->delete_message_thread(dialog_id, top_thread_message_id, std::move(promise));
}
void ForumTopicManager::on_topic_message_count_changed(DialogId dialog_id, MessageId top_thread_message_id, int diff) {
if (!can_be_forum(dialog_id) || can_be_message_thread_id(top_thread_message_id).is_error()) {
LOG(ERROR) << "Change by " << diff << " number of loaded messages in thread of " << top_thread_message_id << " in "
<< dialog_id;
return;
}
LOG(INFO) << "Change by " << diff << " number of loaded messages in thread of " << top_thread_message_id << " in "
<< dialog_id;
auto dialog_topics = add_dialog_topics(dialog_id);
auto topic = add_topic(dialog_topics, top_thread_message_id);
if (topic == nullptr) {
return;
}
topic->message_count_ += diff;
CHECK(topic->message_count_ >= 0);
if (topic->message_count_ == 0) {
// TODO keep topics in the topic list
dialog_topics->topics_.erase(top_thread_message_id);
}
}
} // namespace td