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tdlight/td/telegram/BackgroundManager.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
//
// 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/BackgroundManager.h"
#include "td/telegram/AuthManager.h"
#include "td/telegram/BackgroundType.hpp"
#include "td/telegram/DialogId.h"
#include "td/telegram/Document.h"
#include "td/telegram/DocumentsManager.h"
#include "td/telegram/DocumentsManager.hpp"
#include "td/telegram/FileReferenceManager.h"
#include "td/telegram/files/FileManager.h"
#include "td/telegram/files/FileType.h"
#include "td/telegram/Global.h"
#include "td/telegram/PhotoFormat.h"
#include "td/telegram/Td.h"
#include "td/telegram/TdDb.h"
#include "td/telegram/TdParameters.h"
#include "td/db/SqliteKeyValueAsync.h"
#include "td/utils/algorithm.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
#include "td/utils/format.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/Slice.h"
#include "td/utils/SliceBuilder.h"
#include "td/utils/tl_helpers.h"
#include <algorithm>
namespace td {
class GetBackgroundQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
BackgroundId background_id_;
string background_name_;
public:
explicit GetBackgroundQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(BackgroundId background_id, const string &background_name,
telegram_api::object_ptr<telegram_api::InputWallPaper> &&input_wallpaper) {
background_id_ = background_id;
background_name_ = background_name;
send_query(G()->net_query_creator().create(telegram_api::account_getWallPaper(std::move(input_wallpaper))));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::account_getWallPaper>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
td_->background_manager_->on_get_background(background_id_, background_name_, result_ptr.move_as_ok(), true);
promise_.set_value(Unit());
}
void on_error(Status status) final {
LOG(INFO) << "Receive error for GetBackgroundQuery for " << background_id_ << "/" << background_name_ << ": "
<< status;
promise_.set_error(std::move(status));
}
};
class GetBackgroundsQuery final : public Td::ResultHandler {
Promise<telegram_api::object_ptr<telegram_api::account_WallPapers>> promise_;
public:
explicit GetBackgroundsQuery(Promise<telegram_api::object_ptr<telegram_api::account_WallPapers>> &&promise)
: promise_(std::move(promise)) {
}
void send() {
send_query(G()->net_query_creator().create(telegram_api::account_getWallPapers(0)));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::account_getWallPapers>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
promise_.set_value(result_ptr.move_as_ok());
}
void on_error(Status status) final {
promise_.set_error(std::move(status));
}
};
class InstallBackgroundQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit InstallBackgroundQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(telegram_api::object_ptr<telegram_api::InputWallPaper> input_wallpaper, const BackgroundType &type) {
send_query(G()->net_query_creator().create(
telegram_api::account_installWallPaper(std::move(input_wallpaper), type.get_input_wallpaper_settings())));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::account_installWallPaper>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
LOG_IF(INFO, !result_ptr.ok()) << "Receive false from account.installWallPaper";
promise_.set_value(Unit());
}
void on_error(Status status) final {
promise_.set_error(std::move(status));
}
};
class UploadBackgroundQuery final : public Td::ResultHandler {
Promise<td_api::object_ptr<td_api::background>> promise_;
FileId file_id_;
BackgroundType type_;
bool for_dark_theme_;
public:
explicit UploadBackgroundQuery(Promise<td_api::object_ptr<td_api::background>> &&promise)
: promise_(std::move(promise)) {
}
void send(FileId file_id, tl_object_ptr<telegram_api::InputFile> &&input_file, const BackgroundType &type,
bool for_dark_theme) {
CHECK(input_file != nullptr);
file_id_ = file_id;
type_ = type;
for_dark_theme_ = for_dark_theme;
send_query(G()->net_query_creator().create(telegram_api::account_uploadWallPaper(
std::move(input_file), type_.get_mime_type(), type_.get_input_wallpaper_settings())));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::account_uploadWallPaper>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
td_->background_manager_->on_uploaded_background_file(file_id_, type_, for_dark_theme_, result_ptr.move_as_ok(),
std::move(promise_));
}
void on_error(Status status) final {
CHECK(file_id_.is_valid());
if (begins_with(status.message(), "FILE_PART_") && ends_with(status.message(), "_MISSING")) {
// TODO td_->background_manager_->on_upload_background_file_part_missing(file_id_, to_integer<int32>(status.message().substr(10)));
// return;
} else {
if (status.code() != 429 && status.code() < 500 && !G()->close_flag()) {
td_->file_manager_->delete_partial_remote_location(file_id_);
}
}
td_->file_manager_->cancel_upload(file_id_);
promise_.set_error(std::move(status));
}
};
class UnsaveBackgroundQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit UnsaveBackgroundQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(telegram_api::object_ptr<telegram_api::InputWallPaper> input_wallpaper) {
send_query(G()->net_query_creator().create(telegram_api::account_saveWallPaper(
std::move(input_wallpaper), true, telegram_api::make_object<telegram_api::wallPaperSettings>())));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::account_saveWallPaper>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
bool result = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for save background: " << result;
promise_.set_value(Unit());
}
void on_error(Status status) final {
if (!G()->is_expected_error(status)) {
LOG(ERROR) << "Receive error for save background: " << status;
}
promise_.set_error(std::move(status));
}
};
class ResetBackgroundsQuery final : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit ResetBackgroundsQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send() {
send_query(G()->net_query_creator().create(telegram_api::account_resetWallPapers()));
}
void on_result(BufferSlice packet) final {
auto result_ptr = fetch_result<telegram_api::account_resetWallPapers>(packet);
if (result_ptr.is_error()) {
return on_error(result_ptr.move_as_error());
}
bool result = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for reset backgrounds: " << result;
promise_.set_value(Unit());
}
void on_error(Status status) final {
if (!G()->is_expected_error(status)) {
LOG(ERROR) << "Receive error for reset backgrounds: " << status;
}
promise_.set_error(std::move(status));
}
};
class BackgroundManager::UploadBackgroundFileCallback final : public FileManager::UploadCallback {
public:
void on_upload_ok(FileId file_id, tl_object_ptr<telegram_api::InputFile> input_file) final {
send_closure_later(G()->background_manager(), &BackgroundManager::on_upload_background_file, file_id,
std::move(input_file));
}
void on_upload_encrypted_ok(FileId file_id, tl_object_ptr<telegram_api::InputEncryptedFile> input_file) final {
UNREACHABLE();
}
void on_upload_secure_ok(FileId file_id, tl_object_ptr<telegram_api::InputSecureFile> input_file) final {
UNREACHABLE();
}
void on_upload_error(FileId file_id, Status error) final {
send_closure_later(G()->background_manager(), &BackgroundManager::on_upload_background_file_error, file_id,
std::move(error));
}
};
BackgroundManager::BackgroundManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
upload_background_file_callback_ = std::make_shared<UploadBackgroundFileCallback>();
}
template <class StorerT>
void BackgroundManager::Background::store(StorerT &storer) const {
bool has_file_id = file_id.is_valid();
BEGIN_STORE_FLAGS();
STORE_FLAG(is_creator);
STORE_FLAG(is_default);
STORE_FLAG(is_dark);
STORE_FLAG(has_file_id);
STORE_FLAG(has_new_local_id);
END_STORE_FLAGS();
td::store(id, storer);
td::store(access_hash, storer);
td::store(name, storer);
if (has_file_id) {
storer.context()->td().get_actor_unsafe()->documents_manager_->store_document(file_id, storer);
}
td::store(type, storer);
}
template <class ParserT>
void BackgroundManager::Background::parse(ParserT &parser) {
bool has_file_id;
BEGIN_PARSE_FLAGS();
PARSE_FLAG(is_creator);
PARSE_FLAG(is_default);
PARSE_FLAG(is_dark);
PARSE_FLAG(has_file_id);
PARSE_FLAG(has_new_local_id);
END_PARSE_FLAGS();
td::parse(id, parser);
td::parse(access_hash, parser);
td::parse(name, parser);
if (has_file_id) {
file_id = parser.context()->td().get_actor_unsafe()->documents_manager_->parse_document(parser);
} else {
file_id = FileId();
}
td::parse(type, parser);
}
class BackgroundManager::BackgroundLogEvent {
public:
Background background_;
BackgroundType set_type_;
template <class StorerT>
void store(StorerT &storer) const {
td::store(background_, storer);
td::store(set_type_, storer);
}
template <class ParserT>
void parse(ParserT &parser) {
td::parse(background_, parser);
td::parse(set_type_, parser);
}
};
class BackgroundManager::BackgroundsLogEvent {
public:
vector<Background> backgrounds_;
template <class StorerT>
void store(StorerT &storer) const {
td::store(backgrounds_, storer);
}
template <class ParserT>
void parse(ParserT &parser) {
td::parse(backgrounds_, parser);
}
};
void BackgroundManager::start_up() {
max_local_background_id_ = BackgroundId(to_integer<int64>(G()->td_db()->get_binlog_pmc()->get("max_bg_id")));
// first parse all log events and fix max_local_background_id_ value
bool has_selected_background[2] = {false, false};
BackgroundLogEvent selected_background_log_event[2];
for (int i = 0; i < 2; i++) {
bool for_dark_theme = i != 0;
auto log_event_string = G()->td_db()->get_binlog_pmc()->get(get_background_database_key(for_dark_theme));
if (!log_event_string.empty()) {
has_selected_background[i] = true;
log_event_parse(selected_background_log_event[i], log_event_string).ensure();
const Background &background = selected_background_log_event[i].background_;
if (background.has_new_local_id && background.id.is_local() && !background.type.has_file() &&
background.id.get() > max_local_background_id_.get()) {
set_max_local_background_id(background.id);
}
}
}
for (int i = 0; i < 2; i++) {
bool for_dark_theme = i != 0;
auto log_event_string = G()->td_db()->get_binlog_pmc()->get(get_local_backgrounds_database_key(for_dark_theme));
if (!log_event_string.empty()) {
BackgroundsLogEvent log_event;
log_event_parse(log_event, log_event_string).ensure();
for (const auto &background : log_event.backgrounds_) {
CHECK(background.has_new_local_id);
CHECK(background.id.is_valid());
CHECK(background.id.is_local());
CHECK(!background.type.has_file());
CHECK(!background.file_id.is_valid());
if (background.id.get() > max_local_background_id_.get()) {
set_max_local_background_id(background.id);
}
add_background(background, true);
local_background_ids_[for_dark_theme].push_back(background.id);
}
}
}
// then add selected backgrounds fixing their ID
for (int i = 0; i < 2; i++) {
bool for_dark_theme = i != 0;
if (has_selected_background[i]) {
Background &background = selected_background_log_event[i].background_;
bool need_resave = false;
if (!background.has_new_local_id && !background.type.has_file()) {
background.has_new_local_id = true;
background.id = get_next_local_background_id();
need_resave = true;
}
CHECK(background.id.is_valid());
if (background.file_id.is_valid() != background.type.has_file()) {
LOG(ERROR) << "Failed to load " << background.id << " of " << background.type;
need_resave = true;
} else {
set_background_id_[for_dark_theme] = background.id;
set_background_type_[for_dark_theme] = selected_background_log_event[i].set_type_;
add_background(background, false);
}
if (need_resave) {
save_background_id(for_dark_theme);
}
}
send_update_selected_background(for_dark_theme);
}
}
void BackgroundManager::tear_down() {
parent_.reset();
}
void BackgroundManager::store_background(BackgroundId background_id, LogEventStorerCalcLength &storer) {
const auto *background = get_background(background_id);
CHECK(background != nullptr);
store(*background, storer);
}
void BackgroundManager::store_background(BackgroundId background_id, LogEventStorerUnsafe &storer) {
const auto *background = get_background(background_id);
CHECK(background != nullptr);
store(*background, storer);
}
void BackgroundManager::parse_background(BackgroundId &background_id, LogEventParser &parser) {
Background background;
parse(background, parser);
CHECK(background.has_new_local_id);
if (background.file_id.is_valid() != background.type.has_file() || !background.id.is_valid()) {
parser.set_error(PSTRING() << "Failed to load " << background.id);
background_id = BackgroundId();
return;
}
if (background.id.is_local() && !background.type.has_file() && background.id.get() > max_local_background_id_.get()) {
set_max_local_background_id(background.id);
}
background_id = background.id;
add_background(background, false);
}
void BackgroundManager::get_backgrounds(bool for_dark_theme,
Promise<td_api::object_ptr<td_api::backgrounds>> &&promise) {
pending_get_backgrounds_queries_.emplace_back(for_dark_theme, std::move(promise));
if (pending_get_backgrounds_queries_.size() == 1) {
auto request_promise = PromiseCreator::lambda(
[actor_id = actor_id(this)](Result<telegram_api::object_ptr<telegram_api::account_WallPapers>> result) {
send_closure(actor_id, &BackgroundManager::on_get_backgrounds, std::move(result));
});
td_->create_handler<GetBackgroundsQuery>(std::move(request_promise))->send();
}
}
void BackgroundManager::reload_background_from_server(
BackgroundId background_id, const string &background_name,
telegram_api::object_ptr<telegram_api::InputWallPaper> &&input_wallpaper, Promise<Unit> &&promise) const {
TRY_STATUS_PROMISE(promise, G()->close_status());
td_->create_handler<GetBackgroundQuery>(std::move(promise))
->send(background_id, background_name, std::move(input_wallpaper));
}
void BackgroundManager::reload_background(BackgroundId background_id, int64 access_hash, Promise<Unit> &&promise) {
reload_background_from_server(
background_id, string(),
telegram_api::make_object<telegram_api::inputWallPaper>(background_id.get(), access_hash), std::move(promise));
}
std::pair<BackgroundId, BackgroundType> BackgroundManager::search_background(const string &name,
Promise<Unit> &&promise) {
auto params_pos = name.find('?');
string slug = params_pos >= name.size() ? name : name.substr(0, params_pos);
auto it = name_to_background_id_.find(slug);
if (it != name_to_background_id_.end()) {
CHECK(!BackgroundType::is_background_name_local(slug));
const auto *background = get_background(it->second);
CHECK(background != nullptr);
promise.set_value(Unit());
BackgroundType type = background->type;
type.apply_parameters_from_link(name);
return {it->second, std::move(type)};
}
if (slug.empty()) {
promise.set_error(Status::Error(400, "Background name must be non-empty"));
return {};
}
if (BackgroundType::is_background_name_local(slug)) {
auto r_type = BackgroundType::get_local_background_type(name);
if (r_type.is_error()) {
promise.set_error(r_type.move_as_error());
return {};
}
auto background_id = add_local_background(r_type.ok());
promise.set_value(Unit());
return {background_id, r_type.ok()};
}
if (G()->parameters().use_file_db && loaded_from_database_backgrounds_.count(slug) == 0) {
auto &queries = being_loaded_from_database_backgrounds_[slug];
queries.push_back(std::move(promise));
if (queries.size() == 1) {
LOG(INFO) << "Trying to load background " << slug << " from database";
G()->td_db()->get_sqlite_pmc()->get(
get_background_name_database_key(slug), PromiseCreator::lambda([slug](string value) mutable {
send_closure(G()->background_manager(), &BackgroundManager::on_load_background_from_database,
std::move(slug), std::move(value));
}));
}
return {};
}
reload_background_from_server(BackgroundId(), slug, telegram_api::make_object<telegram_api::inputWallPaperSlug>(slug),
std::move(promise));
return {};
}
void BackgroundManager::on_load_background_from_database(string name, string value) {
if (G()->close_flag()) {
return;
}
auto promises_it = being_loaded_from_database_backgrounds_.find(name);
CHECK(promises_it != being_loaded_from_database_backgrounds_.end());
auto promises = std::move(promises_it->second);
CHECK(!promises.empty());
being_loaded_from_database_backgrounds_.erase(promises_it);
loaded_from_database_backgrounds_.insert(name);
CHECK(!BackgroundType::is_background_name_local(name));
if (name_to_background_id_.count(name) == 0 && !value.empty()) {
LOG(INFO) << "Successfully loaded background " << name << " of size " << value.size() << " from database";
Background background;
auto status = log_event_parse(background, value);
if (status.is_error() || !background.type.has_file() || !background.file_id.is_valid() ||
!background.id.is_valid()) {
LOG(ERROR) << "Can't load background " << name << ": " << status << ' ' << format::as_hex_dump<4>(Slice(value));
} else {
if (background.name != name) {
LOG(ERROR) << "Expected background " << name << ", but received " << background.name;
name_to_background_id_.emplace(std::move(name), background.id);
}
add_background(background, false);
}
}
set_promises(promises);
}
td_api::object_ptr<td_api::updateSelectedBackground> BackgroundManager::get_update_selected_background_object(
bool for_dark_theme) const {
return td_api::make_object<td_api::updateSelectedBackground>(
for_dark_theme,
get_background_object(set_background_id_[for_dark_theme], for_dark_theme, &set_background_type_[for_dark_theme]));
}
void BackgroundManager::send_update_selected_background(bool for_dark_theme) const {
send_closure(G()->td(), &Td::send_update, get_update_selected_background_object(for_dark_theme));
}
Result<FileId> BackgroundManager::prepare_input_file(const tl_object_ptr<td_api::InputFile> &input_file) {
TRY_RESULT(file_id, td_->file_manager_->get_input_file_id(FileType::Background, input_file, {}, false, false));
FileView file_view = td_->file_manager_->get_file_view(file_id);
if (file_view.is_encrypted()) {
return Status::Error(400, "Can't use encrypted file");
}
if (!file_view.has_local_location() && !file_view.has_generate_location()) {
return Status::Error(400, "Need local or generate location to upload background");
}
return std::move(file_id);
}
void BackgroundManager::set_max_local_background_id(BackgroundId background_id) {
CHECK(background_id.is_local());
CHECK(background_id.get() > max_local_background_id_.get());
max_local_background_id_ = background_id;
G()->td_db()->get_binlog_pmc()->set("max_bg_id", to_string(max_local_background_id_.get()));
}
BackgroundId BackgroundManager::get_next_local_background_id() {
set_max_local_background_id(BackgroundId(max_local_background_id_.get() + 1));
return max_local_background_id_;
}
BackgroundId BackgroundManager::add_local_background(const BackgroundType &type) {
Background background;
background.id = get_next_local_background_id();
background.is_creator = true;
background.is_default = false;
background.is_dark = type.is_dark();
background.type = type;
background.name = type.get_link();
add_background(background, true);
return background.id;
}
void BackgroundManager::set_background(const td_api::InputBackground *input_background,
const td_api::BackgroundType *background_type, bool for_dark_theme,
Promise<td_api::object_ptr<td_api::background>> &&promise) {
BackgroundType type;
if (background_type != nullptr) {
auto r_type = BackgroundType::get_background_type(background_type);
if (r_type.is_error()) {
return promise.set_error(r_type.move_as_error());
}
type = r_type.move_as_ok();
} else {
CHECK(!type.has_file());
}
if (input_background == nullptr) {
if (background_type == nullptr) {
set_background_id(BackgroundId(), BackgroundType(), for_dark_theme);
return promise.set_value(nullptr);
}
if (type.has_file()) {
return promise.set_error(Status::Error(400, "Input background must be non-empty for the background type"));
}
auto background_id = add_local_background(type);
set_background_id(background_id, type, for_dark_theme);
local_background_ids_[for_dark_theme].insert(local_background_ids_[for_dark_theme].begin(), background_id);
save_local_backgrounds(for_dark_theme);
return promise.set_value(get_background_object(background_id, for_dark_theme, nullptr));
}
switch (input_background->get_id()) {
case td_api::inputBackgroundLocal::ID: {
if (!type.has_file()) {
return promise.set_error(Status::Error(400, "Can't specify local file for the background type"));
}
CHECK(background_type != nullptr);
auto background_local = static_cast<const td_api::inputBackgroundLocal *>(input_background);
auto r_file_id = prepare_input_file(background_local->background_);
if (r_file_id.is_error()) {
return promise.set_error(r_file_id.move_as_error());
}
auto file_id = r_file_id.move_as_ok();
LOG(INFO) << "Receive file " << file_id << " for input background";
CHECK(file_id.is_valid());
auto it = file_id_to_background_id_.find(file_id);
if (it != file_id_to_background_id_.end()) {
return set_background(it->second, type, for_dark_theme, std::move(promise));
}
upload_background_file(file_id, type, for_dark_theme, std::move(promise));
break;
}
case td_api::inputBackgroundRemote::ID: {
auto background_remote = static_cast<const td_api::inputBackgroundRemote *>(input_background);
return set_background(BackgroundId(background_remote->background_id_), std::move(type), for_dark_theme,
std::move(promise));
}
default:
UNREACHABLE();
}
}
void BackgroundManager::set_background(BackgroundId background_id, BackgroundType type, bool for_dark_theme,
Promise<td_api::object_ptr<td_api::background>> &&promise) {
LOG(INFO) << "Set " << background_id << " with " << type;
const auto *background = get_background(background_id);
if (background == nullptr) {
return promise.set_error(Status::Error(400, "Background to set not found"));
}
if (!type.has_file()) {
type = background->type;
} else if (!background->type.has_equal_type(type)) {
return promise.set_error(Status::Error(400, "Background type mismatch"));
}
if (set_background_id_[for_dark_theme] == background_id && set_background_type_[for_dark_theme] == type) {
return promise.set_value(get_background_object(background_id, for_dark_theme, nullptr));
}
LOG(INFO) << "Install " << background_id << " with " << type;
if (!type.has_file()) {
set_background_id(background_id, type, for_dark_theme);
return promise.set_value(get_background_object(background_id, for_dark_theme, nullptr));
}
auto query_promise = PromiseCreator::lambda([actor_id = actor_id(this), background_id, type, for_dark_theme,
promise = std::move(promise)](Result<Unit> &&result) mutable {
send_closure(actor_id, &BackgroundManager::on_installed_background, background_id, type, for_dark_theme,
std::move(result), std::move(promise));
});
td_->create_handler<InstallBackgroundQuery>(std::move(query_promise))
->send(telegram_api::make_object<telegram_api::inputWallPaper>(background_id.get(), background->access_hash),
type);
}
void BackgroundManager::on_installed_background(BackgroundId background_id, BackgroundType type, bool for_dark_theme,
Result<Unit> &&result,
Promise<td_api::object_ptr<td_api::background>> &&promise) {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
size_t i;
for (i = 0; i < installed_backgrounds_.size(); i++) {
if (installed_backgrounds_[i].first == background_id) {
installed_backgrounds_[i].second = type;
break;
}
}
if (i == installed_backgrounds_.size()) {
installed_backgrounds_.insert(installed_backgrounds_.begin(), {background_id, type});
}
set_background_id(background_id, type, for_dark_theme);
promise.set_value(get_background_object(background_id, for_dark_theme, nullptr));
}
string BackgroundManager::get_background_database_key(bool for_dark_theme) {
return for_dark_theme ? "bgd" : "bg";
}
string BackgroundManager::get_local_backgrounds_database_key(bool for_dark_theme) {
return for_dark_theme ? "bgsd" : "bgs";
}
void BackgroundManager::save_background_id(bool for_dark_theme) {
string key = get_background_database_key(for_dark_theme);
auto background_id = set_background_id_[for_dark_theme];
if (background_id.is_valid()) {
const Background *background = get_background(background_id);
CHECK(background != nullptr);
BackgroundLogEvent log_event{*background, set_background_type_[for_dark_theme]};
G()->td_db()->get_binlog_pmc()->set(key, log_event_store(log_event).as_slice().str());
} else {
G()->td_db()->get_binlog_pmc()->erase(key);
}
}
void BackgroundManager::set_background_id(BackgroundId background_id, const BackgroundType &type, bool for_dark_theme) {
if (background_id == set_background_id_[for_dark_theme] && set_background_type_[for_dark_theme] == type) {
return;
}
set_background_id_[for_dark_theme] = background_id;
set_background_type_[for_dark_theme] = type;
save_background_id(for_dark_theme);
send_update_selected_background(for_dark_theme);
}
void BackgroundManager::save_local_backgrounds(bool for_dark_theme) {
string key = get_local_backgrounds_database_key(for_dark_theme);
auto &background_ids = local_background_ids_[for_dark_theme];
const size_t MAX_LOCAL_BACKGROUNDS = 100;
while (background_ids.size() > MAX_LOCAL_BACKGROUNDS) {
background_ids.pop_back();
}
if (!background_ids.empty()) {
BackgroundsLogEvent log_event;
log_event.backgrounds_ = transform(background_ids, [&](BackgroundId background_id) {
const Background *background = get_background(background_id);
CHECK(background != nullptr);
return *background;
});
G()->td_db()->get_binlog_pmc()->set(key, log_event_store(log_event).as_slice().str());
} else {
G()->td_db()->get_binlog_pmc()->erase(key);
}
}
void BackgroundManager::upload_background_file(FileId file_id, const BackgroundType &type, bool for_dark_theme,
Promise<td_api::object_ptr<td_api::background>> &&promise) {
auto upload_file_id = td_->file_manager_->dup_file_id(file_id, "upload_background_file");
bool is_inserted =
being_uploaded_files_.emplace(upload_file_id, UploadedFileInfo(type, for_dark_theme, std::move(promise))).second;
CHECK(is_inserted);
LOG(INFO) << "Ask to upload background file " << upload_file_id;
td_->file_manager_->upload(upload_file_id, upload_background_file_callback_, 1, 0);
}
void BackgroundManager::on_upload_background_file(FileId file_id, tl_object_ptr<telegram_api::InputFile> input_file) {
LOG(INFO) << "Background file " << file_id << " has been uploaded";
auto it = being_uploaded_files_.find(file_id);
CHECK(it != being_uploaded_files_.end());
auto type = it->second.type_;
auto for_dark_theme = it->second.for_dark_theme_;
auto promise = std::move(it->second.promise_);
being_uploaded_files_.erase(it);
do_upload_background_file(file_id, type, for_dark_theme, std::move(input_file), std::move(promise));
}
void BackgroundManager::on_upload_background_file_error(FileId file_id, Status status) {
if (G()->close_flag()) {
// do not fail upload if closing
return;
}
LOG(WARNING) << "Background file " << file_id << " has upload error " << status;
CHECK(status.is_error());
auto it = being_uploaded_files_.find(file_id);
CHECK(it != being_uploaded_files_.end());
auto promise = std::move(it->second.promise_);
being_uploaded_files_.erase(it);
promise.set_error(Status::Error(status.code() > 0 ? status.code() : 500,
status.message())); // TODO CHECK that status has always a code
}
void BackgroundManager::do_upload_background_file(FileId file_id, const BackgroundType &type, bool for_dark_theme,
tl_object_ptr<telegram_api::InputFile> &&input_file,
Promise<td_api::object_ptr<td_api::background>> &&promise) {
if (input_file == nullptr) {
FileView file_view = td_->file_manager_->get_file_view(file_id);
file_id = file_view.get_main_file_id();
auto it = file_id_to_background_id_.find(file_id);
if (it != file_id_to_background_id_.end()) {
return set_background(it->second, type, for_dark_theme, std::move(promise));
}
return promise.set_error(Status::Error(500, "Failed to reupload background"));
}
td_->create_handler<UploadBackgroundQuery>(std::move(promise))
->send(file_id, std::move(input_file), type, for_dark_theme);
}
void BackgroundManager::on_uploaded_background_file(FileId file_id, const BackgroundType &type, bool for_dark_theme,
telegram_api::object_ptr<telegram_api::WallPaper> wallpaper,
Promise<td_api::object_ptr<td_api::background>> &&promise) {
CHECK(wallpaper != nullptr);
auto added_background = on_get_background(BackgroundId(), string(), std::move(wallpaper), true);
auto background_id = added_background.first;
if (!background_id.is_valid()) {
td_->file_manager_->cancel_upload(file_id);
return promise.set_error(Status::Error(500, "Receive wrong uploaded background"));
}
LOG_IF(ERROR, added_background.second != type)
<< "Type of uploaded background has changed from " << type << " to " << added_background.second;
const auto *background = get_background(background_id);
CHECK(background != nullptr);
if (!background->file_id.is_valid()) {
td_->file_manager_->cancel_upload(file_id);
return promise.set_error(Status::Error(500, "Receive wrong uploaded background without file"));
}
LOG_STATUS(td_->file_manager_->merge(background->file_id, file_id));
set_background_id(background_id, type, for_dark_theme);
promise.set_value(get_background_object(background_id, for_dark_theme, nullptr));
}
void BackgroundManager::remove_background(BackgroundId background_id, Promise<Unit> &&promise) {
const auto *background = get_background(background_id);
if (background == nullptr) {
return promise.set_error(Status::Error(400, "Background not found"));
}
auto query_promise = PromiseCreator::lambda(
[actor_id = actor_id(this), background_id, promise = std::move(promise)](Result<Unit> &&result) mutable {
send_closure(actor_id, &BackgroundManager::on_removed_background, background_id, std::move(result),
std::move(promise));
});
if (!background->type.has_file()) {
if (!background->id.is_local()) {
return td_->create_handler<UnsaveBackgroundQuery>(std::move(query_promise))
->send(telegram_api::make_object<telegram_api::inputWallPaperNoFile>(background_id.get()));
} else {
return query_promise.set_value(Unit());
}
}
td_->create_handler<UnsaveBackgroundQuery>(std::move(query_promise))
->send(telegram_api::make_object<telegram_api::inputWallPaper>(background_id.get(), background->access_hash));
}
void BackgroundManager::on_removed_background(BackgroundId background_id, Result<Unit> &&result,
Promise<Unit> &&promise) {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
td::remove_if(installed_backgrounds_,
[background_id](const auto &background) { return background.first == background_id; });
if (background_id == set_background_id_[0]) {
set_background_id(BackgroundId(), BackgroundType(), false);
}
if (background_id == set_background_id_[1]) {
set_background_id(BackgroundId(), BackgroundType(), true);
}
if (background_id.is_local()) {
if (td::remove(local_background_ids_[0], background_id)) {
save_local_backgrounds(false);
}
if (td::remove(local_background_ids_[1], background_id)) {
save_local_backgrounds(true);
}
}
promise.set_value(Unit());
}
void BackgroundManager::reset_backgrounds(Promise<Unit> &&promise) {
auto query_promise =
PromiseCreator::lambda([actor_id = actor_id(this), promise = std::move(promise)](Result<Unit> &&result) mutable {
send_closure(actor_id, &BackgroundManager::on_reset_background, std::move(result), std::move(promise));
});
td_->create_handler<ResetBackgroundsQuery>(std::move(query_promise))->send();
}
void BackgroundManager::on_reset_background(Result<Unit> &&result, Promise<Unit> &&promise) {
if (result.is_error()) {
return promise.set_error(result.move_as_error());
}
installed_backgrounds_.clear();
set_background_id(BackgroundId(), BackgroundType(), false);
set_background_id(BackgroundId(), BackgroundType(), true);
if (!local_background_ids_[0].empty()) {
local_background_ids_[0].clear();
save_local_backgrounds(false);
}
if (!local_background_ids_[1].empty()) {
local_background_ids_[1].clear();
save_local_backgrounds(true);
}
promise.set_value(Unit());
}
void BackgroundManager::add_background(const Background &background, bool replace_type) {
LOG(INFO) << "Add " << background.id << " of " << background.type;
CHECK(background.id.is_valid());
auto &result_ptr = backgrounds_[background.id];
if (result_ptr == nullptr) {
result_ptr = make_unique<Background>();
}
auto *result = result_ptr.get();
FileSourceId file_source_id;
auto it = background_id_to_file_source_id_.find(background.id);
if (it != background_id_to_file_source_id_.end()) {
CHECK(!result->id.is_valid());
file_source_id = it->second.second;
background_id_to_file_source_id_.erase(it);
}
if (!result->id.is_valid()) {
result->id = background.id;
result->type = background.type;
} else {
CHECK(result->id == background.id);
if (replace_type) {
result->type = background.type;
}
}
result->access_hash = background.access_hash;
result->is_creator = background.is_creator;
result->is_default = background.is_default;
result->is_dark = background.is_dark;
if (result->name != background.name) {
if (!result->name.empty()) {
LOG(ERROR) << "Background name has changed from " << result->name << " to " << background.name;
// keep correspondence from previous name to background ID
// it will not harm, because background names can't be reassigned
// name_to_background_id_.erase(result->name);
}
result->name = background.name;
if (!BackgroundType::is_background_name_local(result->name)) {
name_to_background_id_.emplace(result->name, result->id);
loaded_from_database_backgrounds_.erase(result->name); // don't needed anymore
}
}
if (result->file_id != background.file_id) {
if (result->file_id.is_valid()) {
if (!background.file_id.is_valid() ||
td_->file_manager_->get_file_view(result->file_id).get_main_file_id() !=
td_->file_manager_->get_file_view(background.file_id).get_main_file_id()) {
LOG(ERROR) << "Background file has changed from " << result->file_id << " to " << background.file_id;
file_id_to_background_id_.erase(result->file_id);
result->file_source_id = FileSourceId();
}
CHECK(!file_source_id.is_valid());
}
if (file_source_id.is_valid()) {
result->file_source_id = file_source_id;
}
result->file_id = background.file_id;
if (result->file_id.is_valid()) {
if (!result->file_source_id.is_valid()) {
result->file_source_id =
td_->file_reference_manager_->create_background_file_source(result->id, result->access_hash);
}
for (auto file_id : Document(Document::Type::General, result->file_id).get_file_ids(td_)) {
td_->file_manager_->add_file_source(file_id, result->file_source_id);
}
file_id_to_background_id_.emplace(result->file_id, result->id);
}
} else {
// if file_source_id is valid, then this is a new background with result->file_id == FileId()
// then background.file_id == FileId(), then this is a fill background, which can't have file_source_id
CHECK(!file_source_id.is_valid());
}
}
BackgroundManager::Background *BackgroundManager::get_background_ref(BackgroundId background_id) {
auto p = backgrounds_.find(background_id);
if (p == backgrounds_.end()) {
return nullptr;
} else {
return p->second.get();
}
}
const BackgroundManager::Background *BackgroundManager::get_background(BackgroundId background_id) const {
auto p = backgrounds_.find(background_id);
if (p == backgrounds_.end()) {
return nullptr;
} else {
return p->second.get();
}
}
string BackgroundManager::get_background_name_database_key(const string &name) {
return PSTRING() << "bgn" << name;
}
std::pair<BackgroundId, BackgroundType> BackgroundManager::on_get_background(
BackgroundId expected_background_id, const string &expected_background_name,
telegram_api::object_ptr<telegram_api::WallPaper> wallpaper_ptr, bool replace_type) {
if (wallpaper_ptr == nullptr) {
return {};
}
if (wallpaper_ptr->get_id() == telegram_api::wallPaperNoFile::ID) {
auto wallpaper = move_tl_object_as<telegram_api::wallPaperNoFile>(wallpaper_ptr);
if (wallpaper->settings_ == nullptr) {
LOG(ERROR) << "Receive wallPaperNoFile without settings: " << to_string(wallpaper);
return {};
}
auto background_id = BackgroundId(wallpaper->id_);
if (background_id.is_local()) {
LOG(ERROR) << "Receive " << to_string(wallpaper);
return {};
}
if (!background_id.is_valid()) {
background_id = get_next_local_background_id();
}
Background background;
background.id = background_id;
background.is_creator = false;
background.is_default = wallpaper->default_;
background.is_dark = wallpaper->dark_;
background.type = BackgroundType(true, false, std::move(wallpaper->settings_));
background.name = background.type.get_link();
add_background(background, replace_type);
return {background_id, background.type};
}
auto wallpaper = move_tl_object_as<telegram_api::wallPaper>(wallpaper_ptr);
auto background_id = BackgroundId(wallpaper->id_);
if (!background_id.is_valid() || background_id.is_local() ||
BackgroundType::is_background_name_local(wallpaper->slug_)) {
LOG(ERROR) << "Receive " << to_string(wallpaper);
return {};
}
if (expected_background_id.is_valid() && background_id != expected_background_id) {
LOG(ERROR) << "Expected " << expected_background_id << ", but receive " << to_string(wallpaper);
}
int32 document_id = wallpaper->document_->get_id();
if (document_id == telegram_api::documentEmpty::ID) {
LOG(ERROR) << "Receive " << to_string(wallpaper);
return {};
}
CHECK(document_id == telegram_api::document::ID);
bool is_pattern = wallpaper->pattern_;
Document document = td_->documents_manager_->on_get_document(
telegram_api::move_object_as<telegram_api::document>(wallpaper->document_), DialogId(), nullptr,
Document::Type::General, true, is_pattern);
if (!document.file_id.is_valid()) {
LOG(ERROR) << "Receive wrong document in " << to_string(wallpaper);
return {};
}
CHECK(document.type == Document::Type::General); // guaranteed by is_background parameter to on_get_document
Background background;
background.id = background_id;
background.access_hash = wallpaper->access_hash_;
background.is_creator = wallpaper->creator_;
background.is_default = wallpaper->default_;
background.is_dark = wallpaper->dark_;
background.type = BackgroundType(false, is_pattern, std::move(wallpaper->settings_));
background.name = std::move(wallpaper->slug_);
background.file_id = document.file_id;
add_background(background, replace_type);
if (!expected_background_name.empty() && background.name != expected_background_name) {
LOG(ERROR) << "Expected background " << expected_background_name << ", but receive " << background.name;
name_to_background_id_.emplace(expected_background_name, background_id);
}
if (G()->parameters().use_file_db) {
LOG(INFO) << "Save " << background_id << " to database with name " << background.name;
CHECK(!BackgroundType::is_background_name_local(background.name));
G()->td_db()->get_sqlite_pmc()->set(get_background_name_database_key(background.name),
log_event_store(background).as_slice().str(), Auto());
}
return {background_id, background.type};
}
void BackgroundManager::on_get_backgrounds(Result<telegram_api::object_ptr<telegram_api::account_WallPapers>> result) {
auto promises = std::move(pending_get_backgrounds_queries_);
CHECK(!promises.empty());
reset_to_empty(pending_get_backgrounds_queries_);
if (result.is_error()) {
// do not clear installed_backgrounds_
auto error = result.move_as_error();
for (auto &promise : promises) {
promise.second.set_error(error.clone());
}
return;
}
auto wallpapers_ptr = result.move_as_ok();
LOG(INFO) << "Receive " << to_string(wallpapers_ptr);
if (wallpapers_ptr->get_id() == telegram_api::account_wallPapersNotModified::ID) {
for (auto &promise : promises) {
promise.second.set_value(get_backgrounds_object(promise.first));
}
return;
}
installed_backgrounds_.clear();
auto wallpapers = telegram_api::move_object_as<telegram_api::account_wallPapers>(wallpapers_ptr);
for (auto &wallpaper : wallpapers->wallpapers_) {
auto background = on_get_background(BackgroundId(), string(), std::move(wallpaper), false);
if (background.first.is_valid()) {
installed_backgrounds_.push_back(std::move(background));
}
}
for (auto &promise : promises) {
promise.second.set_value(get_backgrounds_object(promise.first));
}
}
td_api::object_ptr<td_api::background> BackgroundManager::get_background_object(BackgroundId background_id,
bool for_dark_theme,
const BackgroundType *type) const {
const auto *background = get_background(background_id);
if (background == nullptr) {
return nullptr;
}
if (type == nullptr) {
type = &background->type;
// first check another set_background_id to get correct type if both backgrounds are the same
if (background_id == set_background_id_[1 - static_cast<int>(for_dark_theme)]) {
type = &set_background_type_[1 - static_cast<int>(for_dark_theme)];
}
if (background_id == set_background_id_[for_dark_theme]) {
type = &set_background_type_[for_dark_theme];
}
}
return td_api::make_object<td_api::background>(
background->id.get(), background->is_default, background->is_dark, background->name,
td_->documents_manager_->get_document_object(background->file_id, PhotoFormat::Png),
type->get_background_type_object());
}
td_api::object_ptr<td_api::backgrounds> BackgroundManager::get_backgrounds_object(bool for_dark_theme) const {
auto backgrounds = transform(installed_backgrounds_,
[this, for_dark_theme](const std::pair<BackgroundId, BackgroundType> &background) {
return get_background_object(background.first, for_dark_theme, &background.second);
});
auto background_id = set_background_id_[for_dark_theme];
bool have_background = false;
for (const auto &background : installed_backgrounds_) {
if (background_id == background.first) {
have_background = true;
break;
}
}
if (background_id.is_valid() && !have_background) {
backgrounds.push_back(get_background_object(background_id, for_dark_theme, nullptr));
}
for (auto local_background_id : local_background_ids_[for_dark_theme]) {
if (local_background_id != background_id) {
backgrounds.push_back(get_background_object(local_background_id, for_dark_theme, nullptr));
}
}
std::stable_sort(backgrounds.begin(), backgrounds.end(),
[background_id, for_dark_theme](const td_api::object_ptr<td_api::background> &lhs,
const td_api::object_ptr<td_api::background> &rhs) {
auto get_order = [background_id,
for_dark_theme](const td_api::object_ptr<td_api::background> &background) {
if (background->id_ == background_id.get()) {
return 0;
}
int theme_score = background->is_dark_ == for_dark_theme ? 0 : 1;
int local_score = BackgroundId(background->id_).is_local() ? 0 : 2;
return 1 + local_score + theme_score;
};
return get_order(lhs) < get_order(rhs);
});
return td_api::make_object<td_api::backgrounds>(std::move(backgrounds));
}
FileSourceId BackgroundManager::get_background_file_source_id(BackgroundId background_id, int64 access_hash) {
if (!background_id.is_valid()) {
return FileSourceId();
}
Background *background = get_background_ref(background_id);
if (background != nullptr) {
if (!background->file_source_id.is_valid()) {
background->file_source_id =
td_->file_reference_manager_->create_background_file_source(background_id, background->access_hash);
}
return background->file_source_id;
}
auto &result = background_id_to_file_source_id_[background_id];
if (result.first == 0) {
result.first = access_hash;
}
if (!result.second.is_valid()) {
result.second = td_->file_reference_manager_->create_background_file_source(background_id, result.first);
}
return result.second;
}
void BackgroundManager::get_current_state(vector<td_api::object_ptr<td_api::Update>> &updates) const {
if (td_->auth_manager_->is_bot()) {
return;
}
updates.push_back(get_update_selected_background_object(false));
updates.push_back(get_update_selected_background_object(true));
}
} // namespace td
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