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tdlight/td/telegram/ForumTopicManager.cpp
levlam 33288a93d9 Update layer to 150.
2022-11-25 14:57:21 +03:00

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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)
//
#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/ForumTopicIcon.h"
#include "td/telegram/ForumTopicInfo.hpp"
#include "td/telegram/Global.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/MessageThreadDb.h"
#include "td/telegram/misc.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"
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);
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, const string &title,
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 =
telegram_api::channels_editForumTopic::TITLE_MASK | 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 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));
}
};
template <class StorerT>
void ForumTopicManager::Topic::store(StorerT &storer) const {
CHECK(info_ != nullptr);
using td::store;
store(MAGIC, storer);
BEGIN_STORE_FLAGS();
END_STORE_FLAGS();
store(info_, 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");
}
BEGIN_PARSE_FLAGS();
END_PARSE_FLAGS();
parse(info_, 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->info_ == nullptr) {
topic->info_ = std::move(forum_topic_info);
send_update_forum_topic_info(dialog_id, topic->info_.get());
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,
CustomEmojiId icon_custom_emoji_id, Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
auto channel_id = dialog_id.get_channel_id();
if (!top_thread_message_id.is_valid() || !top_thread_message_id.is_server()) {
return promise.set_error(Status::Error(400, "Invalid message thread identifier specified"));
}
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"));
}
}
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"));
}
td_->create_handler<EditForumTopicQuery>(std::move(promise))
->send(channel_id, top_thread_message_id, new_title, icon_custom_emoji_id);
}
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));
auto channel_id = dialog_id.get_channel_id();
if (!top_thread_message_id.is_valid() || !top_thread_message_id.is_server()) {
return promise.set_error(Status::Error(400, "Invalid message thread identifier specified"));
}
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::delete_forum_topic(DialogId dialog_id, MessageId top_thread_message_id,
Promise<Unit> &&promise) {
TRY_STATUS_PROMISE(promise, is_forum(dialog_id));
auto channel_id = dialog_id.get_channel_id();
if (!top_thread_message_id.is_valid() || !top_thread_message_id.is_server()) {
return promise.set_error(Status::Error(400, "Invalid message thread identifier specified"));
}
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);
}
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());
save_topic_to_database(dialog_id, topic);
}
}
void ForumTopicManager::on_get_forum_topics(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 (!top_thread_message_id.is_valid()) {
continue;
}
auto topic = add_topic(dialog_topics, top_thread_message_id);
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());
save_topic_to_database(dialog_id, topic);
}
}
}
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());
}
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) {
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();
}
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) {
if (topic->info_ == nullptr) {
return;
}
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;
}
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, Auto());
}
void ForumTopicManager::on_topic_message_count_changed(DialogId dialog_id, MessageId top_thread_message_id, int diff) {
if (!can_be_forum(dialog_id) || !top_thread_message_id.is_valid()) {
LOG(ERROR) << "Change by " << diff << " number of loaded messages in thread of " << top_thread_message_id << " in "
<< dialog_id;
return;
}
auto dialog_topics = add_dialog_topics(dialog_id);
auto topic = add_topic(dialog_topics, top_thread_message_id);
topic->message_count_ += diff;
CHECK(topic->message_count_ >= 0);
if (topic->message_count_ == 0) {
// TODO kepp topics in the topic list
dialog_topics->topics_.erase(top_thread_message_id);
}
}
} // namespace td
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