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tdlib-fork/td/telegram/WebPagesManager.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
//
// 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/WebPagesManager.h"
#include "td/telegram/secret_api.h"
#include "td/telegram/AnimationsManager.h"
#include "td/telegram/AudiosManager.h"
#include "td/telegram/Document.h"
#include "td/telegram/Document.hpp"
#include "td/telegram/DocumentsManager.h"
#include "td/telegram/FileReferenceManager.h"
#include "td/telegram/files/FileId.h"
#include "td/telegram/files/FileManager.h"
#include "td/telegram/files/FileSourceId.h"
#include "td/telegram/Global.h"
#include "td/telegram/logevent/LogEvent.h"
#include "td/telegram/MessageEntity.h"
#include "td/telegram/MessagesManager.h"
#include "td/telegram/Photo.h"
#include "td/telegram/StickersManager.h"
#include "td/telegram/Td.h"
#include "td/telegram/TdDb.h"
#include "td/telegram/VideoNotesManager.h"
#include "td/telegram/VideosManager.h"
#include "td/telegram/VoiceNotesManager.h"
#include "td/telegram/WebPageBlock.h"
#include "td/actor/PromiseFuture.h"
#include "td/db/binlog/BinlogEvent.h"
#include "td/db/binlog/BinlogHelper.h"
#include "td/db/SqliteKeyValue.h"
#include "td/db/SqliteKeyValueAsync.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/StringBuilder.h"
#include "td/utils/tl_helpers.h"
namespace td {
class GetWebPagePreviewQuery : public Td::ResultHandler {
Promise<Unit> promise_;
int64 request_id_;
string url_;
public:
explicit GetWebPagePreviewQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(const string &text, vector<tl_object_ptr<telegram_api::MessageEntity>> &&entities, int64 request_id,
string url) {
request_id_ = request_id;
url_ = std::move(url);
int32 flags = 0;
if (!entities.empty()) {
flags |= telegram_api::messages_getWebPagePreview::ENTITIES_MASK;
}
send_query(G()->net_query_creator().create(
create_storer(telegram_api::messages_getWebPagePreview(flags, text, std::move(entities)))));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::messages_getWebPagePreview>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for GetWebPagePreviewQuery " << to_string(ptr);
td->web_pages_manager_->on_get_web_page_preview_success(request_id_, url_, std::move(ptr), std::move(promise_));
}
void on_error(uint64 id, Status status) override {
td->web_pages_manager_->on_get_web_page_preview_fail(request_id_, url_, std::move(status), std::move(promise_));
}
};
class GetWebPageQuery : public Td::ResultHandler {
Promise<Unit> promise_;
string url_;
public:
explicit GetWebPageQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(const string &url, int32 hash) {
url_ = url;
send_query(G()->net_query_creator().create(create_storer(telegram_api::messages_getWebPage(url, hash))));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::messages_getWebPage>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for GetWebPageQuery " << to_string(ptr);
if (ptr->get_id() != telegram_api::webPageNotModified::ID) {
auto web_page_id = td->web_pages_manager_->on_get_web_page(std::move(ptr), DialogId());
td->web_pages_manager_->on_get_web_page_by_url(url_, web_page_id, false);
}
promise_.set_value(Unit());
}
void on_error(uint64 id, Status status) override {
promise_.set_error(std::move(status));
}
};
class WebPagesManager::WebPageInstantView {
public:
vector<unique_ptr<WebPageBlock>> page_blocks;
string url;
int32 hash = 0;
bool is_v2 = false;
bool is_rtl = false;
bool is_empty = true;
bool is_full = false;
bool is_loaded = false;
bool was_loaded_from_database = false;
template <class StorerT>
void store(StorerT &storer) const {
using ::td::store;
bool has_url = !url.empty();
BEGIN_STORE_FLAGS();
STORE_FLAG(is_full);
STORE_FLAG(is_loaded);
STORE_FLAG(is_rtl);
STORE_FLAG(is_v2);
STORE_FLAG(has_url);
END_STORE_FLAGS();
store(page_blocks, storer);
store(hash, storer);
if (has_url) {
store(url, storer);
}
CHECK(!is_empty);
}
template <class ParserT>
void parse(ParserT &parser) {
using ::td::parse;
bool has_url;
BEGIN_PARSE_FLAGS();
PARSE_FLAG(is_full);
PARSE_FLAG(is_loaded);
PARSE_FLAG(is_rtl);
PARSE_FLAG(is_v2);
PARSE_FLAG(has_url);
END_PARSE_FLAGS();
parse(page_blocks, parser);
parse(hash, parser);
if (has_url) {
parse(url, parser);
}
is_empty = false;
}
friend StringBuilder &operator<<(StringBuilder &string_builder,
const WebPagesManager::WebPageInstantView &instant_view) {
return string_builder << "InstantView(url = " << instant_view.url << ", size = " << instant_view.page_blocks.size()
<< ", hash = " << instant_view.hash << ", is_empty = " << instant_view.is_empty
<< ", is_v2 = " << instant_view.is_v2 << ", is_rtl = " << instant_view.is_rtl
<< ", is_full = " << instant_view.is_full << ", is_loaded = " << instant_view.is_loaded
<< ", was_loaded_from_database = " << instant_view.was_loaded_from_database << ")";
}
};
class WebPagesManager::WebPage {
public:
string url;
string display_url;
string type;
string site_name;
string title;
string description;
Photo photo;
string embed_url;
string embed_type;
Dimensions embed_dimensions;
int32 duration = 0;
string author;
Document document;
WebPageInstantView instant_view;
FileSourceId file_source_id;
mutable uint64 logevent_id = 0;
template <class StorerT>
void store(StorerT &storer) const {
using ::td::store;
bool has_type = !type.empty();
bool has_site_name = !site_name.empty();
bool has_title = !title.empty();
bool has_description = !description.empty();
bool has_photo = photo.id != -2;
bool has_embed = !embed_url.empty();
bool has_embed_dimensions = has_embed && embed_dimensions != Dimensions();
bool has_duration = duration > 0;
bool has_author = !author.empty();
bool has_document = !document.empty();
bool has_instant_view = !instant_view.is_empty;
bool is_instant_view_v2 = instant_view.is_v2;
bool has_no_hash = true;
BEGIN_STORE_FLAGS();
STORE_FLAG(has_type);
STORE_FLAG(has_site_name);
STORE_FLAG(has_title);
STORE_FLAG(has_description);
STORE_FLAG(has_photo);
STORE_FLAG(has_embed);
STORE_FLAG(has_embed_dimensions);
STORE_FLAG(has_duration);
STORE_FLAG(has_author);
STORE_FLAG(has_document);
STORE_FLAG(has_instant_view);
STORE_FLAG(has_no_hash);
STORE_FLAG(is_instant_view_v2);
END_STORE_FLAGS();
store(url, storer);
store(display_url, storer);
if (has_type) {
store(type, storer);
}
if (has_site_name) {
store(site_name, storer);
}
if (has_title) {
store(title, storer);
}
if (has_description) {
store(description, storer);
}
if (has_photo) {
store(photo, storer);
}
if (has_embed) {
store(embed_url, storer);
store(embed_type, storer);
}
if (has_embed_dimensions) {
store(embed_dimensions, storer);
}
if (has_duration) {
store(duration, storer);
}
if (has_author) {
store(author, storer);
}
if (has_document) {
store(document, storer);
}
}
template <class ParserT>
void parse(ParserT &parser) {
using ::td::parse;
bool has_type;
bool has_site_name;
bool has_title;
bool has_description;
bool has_photo;
bool has_embed;
bool has_embed_dimensions;
bool has_duration;
bool has_author;
bool has_document;
bool has_instant_view;
bool is_instant_view_v2;
bool has_no_hash;
BEGIN_PARSE_FLAGS();
PARSE_FLAG(has_type);
PARSE_FLAG(has_site_name);
PARSE_FLAG(has_title);
PARSE_FLAG(has_description);
PARSE_FLAG(has_photo);
PARSE_FLAG(has_embed);
PARSE_FLAG(has_embed_dimensions);
PARSE_FLAG(has_duration);
PARSE_FLAG(has_author);
PARSE_FLAG(has_document);
PARSE_FLAG(has_instant_view);
PARSE_FLAG(has_no_hash);
PARSE_FLAG(is_instant_view_v2);
END_PARSE_FLAGS();
parse(url, parser);
parse(display_url, parser);
if (!has_no_hash) {
int32 hash;
parse(hash, parser);
}
if (has_type) {
parse(type, parser);
}
if (has_site_name) {
parse(site_name, parser);
}
if (has_title) {
parse(title, parser);
}
if (has_description) {
parse(description, parser);
}
if (has_photo) {
parse(photo, parser);
} else {
photo.id = -2;
}
if (has_embed) {
parse(embed_url, parser);
parse(embed_type, parser);
}
if (has_embed_dimensions) {
parse(embed_dimensions, parser);
}
if (has_duration) {
parse(duration, parser);
}
if (has_author) {
parse(author, parser);
}
if (has_document) {
parse(document, parser);
}
if (has_instant_view) {
instant_view.is_empty = false;
}
if (is_instant_view_v2) {
instant_view.is_v2 = true;
}
}
};
WebPagesManager::WebPagesManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
pending_web_pages_timeout_.set_callback(on_pending_web_page_timeout_callback);
pending_web_pages_timeout_.set_callback_data(static_cast<void *>(this));
}
void WebPagesManager::tear_down() {
parent_.reset();
}
WebPagesManager::~WebPagesManager() = default;
WebPageId WebPagesManager::on_get_web_page(tl_object_ptr<telegram_api::WebPage> &&web_page_ptr,
DialogId owner_dialog_id) {
CHECK(web_page_ptr != nullptr);
LOG(DEBUG) << "Got " << to_string(web_page_ptr);
switch (web_page_ptr->get_id()) {
case telegram_api::webPageEmpty::ID: {
auto web_page = move_tl_object_as<telegram_api::webPageEmpty>(web_page_ptr);
WebPageId web_page_id(web_page->id_);
if (!web_page_id.is_valid()) {
LOG_IF(ERROR, web_page_id != WebPageId()) << "Receive invalid " << web_page_id;
return WebPageId();
}
LOG(INFO) << "Got empty " << web_page_id;
const WebPage *web_page_to_delete = get_web_page(web_page_id);
if (web_page_to_delete != nullptr) {
if (web_page_to_delete->logevent_id != 0) {
LOG(INFO) << "Erase " << web_page_id << " from binlog";
binlog_erase(G()->td_db()->get_binlog(), web_page_to_delete->logevent_id);
web_page_to_delete->logevent_id = 0;
}
if (web_page_to_delete->file_source_id.is_valid()) {
td_->file_manager_->change_files_source(web_page_to_delete->file_source_id,
get_web_page_file_ids(web_page_to_delete), vector<FileId>());
}
web_pages_.erase(web_page_id);
}
update_messages_content(web_page_id, false);
if (!G()->parameters().use_message_db) {
// update_messages_content(web_page_id, false);
} else {
LOG(INFO) << "Delete " << web_page_id << " from database";
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_database_key(web_page_id), Auto()
/*
PromiseCreator::lambda([web_page_id](Result<> result) {
if (result.is_ok()) {
send_closure(G()->web_pages_manager(), &WebPagesManager::update_messages_content, web_page_id, false);
}
})
*/
);
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
}
return WebPageId();
}
case telegram_api::webPagePending::ID: {
auto web_page = move_tl_object_as<telegram_api::webPagePending>(web_page_ptr);
WebPageId web_page_id(web_page->id_);
if (!web_page_id.is_valid()) {
LOG(ERROR) << "Receive invalid " << web_page_id;
return WebPageId();
}
auto web_page_date = web_page->date_;
LOG(INFO) << "Got pending " << web_page_id << ", date = " << web_page_date << ", now = " << G()->server_time();
pending_web_pages_timeout_.add_timeout_in(web_page_id.get(), max(web_page_date - G()->server_time(), 1.0));
return web_page_id;
}
case telegram_api::webPage::ID: {
auto web_page = move_tl_object_as<telegram_api::webPage>(web_page_ptr);
WebPageId web_page_id(web_page->id_);
if (!web_page_id.is_valid()) {
LOG(ERROR) << "Receive invalid " << web_page_id;
return WebPageId();
}
LOG(INFO) << "Got " << web_page_id;
auto page = make_unique<WebPage>();
page->url = std::move(web_page->url_);
page->display_url = std::move(web_page->display_url_);
page->type = std::move(web_page->type_);
page->site_name = std::move(web_page->site_name_);
page->title = std::move(web_page->title_);
page->description = std::move(web_page->description_);
page->photo = get_photo(td_->file_manager_.get(), std::move(web_page->photo_), owner_dialog_id);
if (web_page->flags_ & WEBPAGE_FLAG_HAS_EMBEDDED_PREVIEW) {
page->embed_url = std::move(web_page->embed_url_);
page->embed_type = std::move(web_page->embed_type_);
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_EMBEDDED_PREVIEW_SIZE) {
page->embed_dimensions = get_dimensions(web_page->embed_width_, web_page->embed_height_);
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_DURATION) {
page->duration = web_page->duration_;
if (page->duration < 0) {
LOG(ERROR) << "Receive wrong web page duration " << page->duration;
page->duration = 0;
}
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_AUTHOR) {
page->author = std::move(web_page->author_);
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_DOCUMENT) {
int32 document_id = web_page->document_->get_id();
if (document_id == telegram_api::document::ID) {
auto parsed_document = td_->documents_manager_->on_get_document(
move_tl_object_as<telegram_api::document>(web_page->document_), owner_dialog_id);
page->document = parsed_document;
}
}
if (web_page->flags_ & WEBPAGE_FLAG_HAS_INSTANT_VIEW) {
on_get_web_page_instant_view(page.get(), std::move(web_page->cached_page_), web_page->hash_, owner_dialog_id);
}
update_web_page(std::move(page), web_page_id, false, false);
return web_page_id;
}
case telegram_api::webPageNotModified::ID: {
LOG(ERROR) << "Receive webPageNotModified";
return WebPageId();
}
default:
UNREACHABLE();
return WebPageId();
}
}
void WebPagesManager::update_web_page(unique_ptr<WebPage> web_page, WebPageId web_page_id, bool from_binlog,
bool from_database) {
LOG(INFO) << "Update " << web_page_id;
CHECK(web_page != nullptr);
auto &page = web_pages_[web_page_id];
auto old_file_ids = get_web_page_file_ids(page.get());
WebPageInstantView old_instant_view;
if (page != nullptr) {
old_instant_view = std::move(page->instant_view);
web_page->logevent_id = page->logevent_id;
} else {
auto it = url_to_file_source_id_.find(web_page->url);
if (it != url_to_file_source_id_.end()) {
VLOG(file_references) << "Move " << it->second << " inside of " << web_page_id;
web_page->file_source_id = it->second;
url_to_file_source_id_.erase(it);
}
}
page = std::move(web_page);
update_web_page_instant_view(web_page_id, page->instant_view, std::move(old_instant_view));
auto new_file_ids = get_web_page_file_ids(page.get());
if (old_file_ids != new_file_ids) {
td_->file_manager_->change_files_source(get_web_page_file_source_id(page.get()), old_file_ids, new_file_ids);
}
on_get_web_page_by_url(page->url, web_page_id, from_database);
update_messages_content(web_page_id, true);
if (!from_database) {
save_web_page(page.get(), web_page_id, from_binlog);
}
}
void WebPagesManager::update_web_page_instant_view(WebPageId web_page_id, WebPageInstantView &new_instant_view,
WebPageInstantView &&old_instant_view) {
LOG(INFO) << "Merge new " << new_instant_view << " and old " << old_instant_view;
bool new_from_database = new_instant_view.was_loaded_from_database;
bool old_from_database = old_instant_view.was_loaded_from_database;
if (new_instant_view.is_empty && !new_from_database) {
// new_instant_view is from server and is empty, need to delete the instant view
if (G()->parameters().use_message_db && (!old_instant_view.is_empty || !old_from_database)) {
// we have no instant view and probably want it to be deleted from database
LOG(INFO) << "Erase instant view of " << web_page_id << " from database";
new_instant_view.was_loaded_from_database = true;
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
}
return;
}
if (need_use_old_instant_view(new_instant_view, old_instant_view)) {
new_instant_view = std::move(old_instant_view);
}
if (G()->parameters().use_message_db && !new_instant_view.is_empty && new_instant_view.is_loaded) {
// we have instant view and probably want it to be saved
if (!new_from_database && !old_from_database) {
// if it wasn't loaded from the database, load it first
auto &load_web_page_instant_view_queries = load_web_page_instant_view_queries_[web_page_id];
auto previous_queries =
load_web_page_instant_view_queries.partial.size() + load_web_page_instant_view_queries.full.size();
if (previous_queries == 0) {
// try to load it only if there is no pending load queries
load_web_page_instant_view(web_page_id, false, Auto());
return;
}
}
if (!new_instant_view.was_loaded_from_database) {
LOG(INFO) << "Save instant view of " << web_page_id << " to database";
/*
if (web_page_id.get() == 0) {
auto blocks = std::move(new_instant_view.page_blocks);
new_instant_view.page_blocks.clear();
for (size_t i = 0; i < blocks.size(); i++) {
LOG(ERROR) << to_string(blocks[i]->get_page_block_object());
new_instant_view.page_blocks.push_back(std::move(blocks[i]));
log_event_store(new_instant_view);
}
UNREACHABLE();
}
*/
new_instant_view.was_loaded_from_database = true;
G()->td_db()->get_sqlite_pmc()->set(get_web_page_instant_view_database_key(web_page_id),
log_event_store(new_instant_view).as_slice().str(), Auto());
}
}
}
bool WebPagesManager::need_use_old_instant_view(const WebPageInstantView &new_instant_view,
const WebPageInstantView &old_instant_view) {
if (old_instant_view.is_empty || !old_instant_view.is_loaded) {
return false;
}
if (new_instant_view.is_empty || !new_instant_view.is_loaded) {
return true;
}
if (new_instant_view.is_full != old_instant_view.is_full) {
return old_instant_view.is_full;
}
if (new_instant_view.hash == old_instant_view.hash) {
// the same instant view
return !new_instant_view.is_full || old_instant_view.is_full;
}
// data in database is always outdated
return new_instant_view.was_loaded_from_database;
}
void WebPagesManager::on_get_web_page_by_url(const string &url, WebPageId web_page_id, bool from_database) {
if (!from_database && G()->parameters().use_message_db) {
if (web_page_id.is_valid()) {
G()->td_db()->get_sqlite_pmc()->set(get_web_page_url_database_key(url), to_string(web_page_id.get()), Auto());
} else {
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_url_database_key(url), Auto());
}
}
auto &cached_web_page_id = url_to_web_page_id_[url];
if (cached_web_page_id.is_valid() && web_page_id.is_valid() && web_page_id != cached_web_page_id) {
LOG(ERROR) << "Url \"" << url << "\" preview is changed from " << cached_web_page_id << " to " << web_page_id;
}
cached_web_page_id = web_page_id;
}
void WebPagesManager::wait_for_pending_web_page(DialogId dialog_id, MessageId message_id, WebPageId web_page_id) {
LOG(INFO) << "Waiting for " << web_page_id << " needed in " << message_id << " in " << dialog_id;
pending_web_pages_[web_page_id].emplace(dialog_id, message_id);
pending_web_pages_timeout_.add_timeout_in(web_page_id.get(), 1.0);
}
void WebPagesManager::on_get_web_page_preview_success(int64 request_id, const string &url,
tl_object_ptr<telegram_api::MessageMedia> &&message_media_ptr,
Promise<Unit> &&promise) {
CHECK(message_media_ptr != nullptr);
int32 constructor_id = message_media_ptr->get_id();
if (constructor_id != telegram_api::messageMediaWebPage::ID) {
if (constructor_id == telegram_api::messageMediaEmpty::ID) {
on_get_web_page_preview_success(request_id, url, WebPageId(), std::move(promise));
return;
}
LOG(ERROR) << "Receive " << to_string(message_media_ptr) << " instead of web page";
on_get_web_page_preview_fail(request_id, url, Status::Error(500, "Receive not web page in GetWebPagePreview"),
std::move(promise));
return;
}
auto message_media_web_page = move_tl_object_as<telegram_api::messageMediaWebPage>(message_media_ptr);
CHECK(message_media_web_page->webpage_ != nullptr);
auto web_page_id = on_get_web_page(std::move(message_media_web_page->webpage_), DialogId());
if (web_page_id.is_valid() && !have_web_page(web_page_id)) {
pending_get_web_pages_[web_page_id].emplace(request_id,
std::make_pair(url, std::move(promise))); // TODO MultiPromise ?
pending_web_pages_timeout_.add_timeout_in(web_page_id.get(), 1.0);
return;
}
on_get_web_page_preview_success(request_id, url, web_page_id, std::move(promise));
}
void WebPagesManager::on_get_web_page_preview_success(int64 request_id, const string &url, WebPageId web_page_id,
Promise<Unit> &&promise) {
CHECK(web_page_id == WebPageId() || have_web_page(web_page_id));
CHECK(got_web_page_previews_.find(request_id) == got_web_page_previews_.end());
got_web_page_previews_[request_id] = web_page_id;
if (web_page_id.is_valid() && !url.empty()) {
on_get_web_page_by_url(url, web_page_id, true);
}
promise.set_value(Unit());
}
void WebPagesManager::on_get_web_page_preview_fail(int64 request_id, const string &url, Status error,
Promise<Unit> &&promise) {
LOG(INFO) << "Clean up getting of web page preview with url \"" << url << '"';
CHECK(error.is_error());
promise.set_error(std::move(error));
}
int64 WebPagesManager::get_web_page_preview(td_api::object_ptr<td_api::formattedText> &&text, Promise<Unit> &&promise) {
if (text == nullptr) {
promise.set_value(Unit());
return 0;
}
auto r_entities = get_message_entities(td_->contacts_manager_.get(), std::move(text->entities_));
if (r_entities.is_error()) {
promise.set_error(r_entities.move_as_error());
return 0;
}
auto entities = r_entities.move_as_ok();
auto result = fix_formatted_text(text->text_, entities, true, false, true, false);
if (text->text_.empty()) {
promise.set_value(Unit());
return 0;
}
auto url = get_first_url(text->text_, entities);
if (url.empty()) {
promise.set_value(Unit());
return 0;
}
LOG(INFO) << "Trying to get web page preview for message \"" << text->text_ << '"';
int64 request_id = get_web_page_preview_request_id_++;
auto web_page_id = get_web_page_by_url(url);
if (web_page_id.is_valid()) {
got_web_page_previews_[request_id] = web_page_id;
promise.set_value(Unit());
} else {
td_->create_handler<GetWebPagePreviewQuery>(std::move(promise))
->send(text->text_, get_input_message_entities(td_->contacts_manager_.get(), entities, "get_web_page_preview"),
request_id, std::move(url));
}
return request_id;
}
tl_object_ptr<td_api::webPage> WebPagesManager::get_web_page_preview_result(int64 request_id) {
if (request_id == 0) {
return nullptr;
}
auto it = got_web_page_previews_.find(request_id);
CHECK(it != got_web_page_previews_.end());
auto web_page_id = it->second;
got_web_page_previews_.erase(it);
return get_web_page_object(web_page_id);
}
WebPageId WebPagesManager::get_web_page_instant_view(const string &url, bool force_full, bool force,
Promise<Unit> &&promise) {
LOG(INFO) << "Trying to get web page instant view for the url \"" << url << '"';
auto it = url_to_web_page_id_.find(url);
if (it != url_to_web_page_id_.end()) {
if (it->second == WebPageId() && !force) {
// ignore negative caching
reload_web_page_by_url(url, std::move(promise));
return WebPageId();
}
return get_web_page_instant_view(it->second, force_full, std::move(promise));
}
load_web_page_by_url(url, std::move(promise));
return WebPageId();
}
WebPageId WebPagesManager::get_web_page_instant_view(WebPageId web_page_id, bool force_full, Promise<Unit> &&promise) {
LOG(INFO) << "Trying to get web page instant view for " << web_page_id;
const WebPageInstantView *web_page_instant_view = get_web_page_instant_view(web_page_id);
if (web_page_instant_view == nullptr) {
promise.set_value(Unit());
return WebPageId();
}
if (!web_page_instant_view->is_loaded || (force_full && !web_page_instant_view->is_full)) {
load_web_page_instant_view(web_page_id, force_full, std::move(promise));
return WebPageId();
}
if (force_full) {
reload_web_page_instant_view(web_page_id);
}
promise.set_value(Unit());
return web_page_id;
}
string WebPagesManager::get_web_page_instant_view_database_key(WebPageId web_page_id) {
return PSTRING() << "wpiv" << web_page_id.get();
}
void WebPagesManager::load_web_page_instant_view(WebPageId web_page_id, bool force_full, Promise<Unit> &&promise) {
auto &load_web_page_instant_view_queries = load_web_page_instant_view_queries_[web_page_id];
auto previous_queries =
load_web_page_instant_view_queries.partial.size() + load_web_page_instant_view_queries.full.size();
if (force_full) {
load_web_page_instant_view_queries.full.push_back(std::move(promise));
} else {
load_web_page_instant_view_queries.partial.push_back(std::move(promise));
}
LOG(INFO) << "Load " << web_page_id << " instant view, have " << previous_queries << " previous queries";
if (previous_queries == 0) {
const WebPageInstantView *web_page_instant_view = get_web_page_instant_view(web_page_id);
CHECK(web_page_instant_view != nullptr);
if (G()->parameters().use_message_db && !web_page_instant_view->was_loaded_from_database) {
LOG(INFO) << "Trying to load " << web_page_id << " instant view from database";
G()->td_db()->get_sqlite_pmc()->get(
get_web_page_instant_view_database_key(web_page_id), PromiseCreator::lambda([web_page_id](string value) {
send_closure(G()->web_pages_manager(), &WebPagesManager::on_load_web_page_instant_view_from_database,
web_page_id, std::move(value));
}));
} else {
reload_web_page_instant_view(web_page_id);
}
}
}
void WebPagesManager::reload_web_page_instant_view(WebPageId web_page_id) {
LOG(INFO) << "Reload " << web_page_id << " instant view";
const WebPage *web_page = get_web_page(web_page_id);
CHECK(web_page != nullptr && !web_page->instant_view.is_empty);
auto promise = PromiseCreator::lambda([web_page_id](Result<> result) {
send_closure(G()->web_pages_manager(), &WebPagesManager::update_web_page_instant_view_load_requests, web_page_id,
true, std::move(result));
});
td_->create_handler<GetWebPageQuery>(std::move(promise))
->send(web_page->url, web_page->instant_view.is_full ? web_page->instant_view.hash : 0);
}
void WebPagesManager::on_load_web_page_instant_view_from_database(WebPageId web_page_id, string value) {
CHECK(G()->parameters().use_message_db);
LOG(INFO) << "Successfully loaded " << web_page_id << " instant view of size " << value.size() << " from database";
// G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
// return;
auto web_page_it = web_pages_.find(web_page_id);
if (web_page_it == web_pages_.end() || web_page_it->second->instant_view.is_empty) {
// possible if web page loses preview/instant view
LOG(WARNING) << "There is no instant view in " << web_page_id;
if (!value.empty()) {
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
}
update_web_page_instant_view_load_requests(web_page_id, true, Unit());
return;
}
WebPage *web_page = web_page_it->second.get();
auto &web_page_instant_view = web_page->instant_view;
if (web_page_instant_view.was_loaded_from_database) {
return;
}
WebPageInstantView result;
if (!value.empty()) {
if (log_event_parse(result, value).is_error()) {
result = WebPageInstantView();
LOG(ERROR) << "Erase instant view in " << web_page_id << " from database";
G()->td_db()->get_sqlite_pmc()->erase(get_web_page_instant_view_database_key(web_page_id), Auto());
}
}
result.was_loaded_from_database = true;
auto old_file_ids = get_web_page_file_ids(web_page);
update_web_page_instant_view(web_page_id, web_page_instant_view, std::move(result));
auto new_file_ids = get_web_page_file_ids(web_page);
if (old_file_ids != new_file_ids) {
td_->file_manager_->change_files_source(get_web_page_file_source_id(web_page), old_file_ids, new_file_ids);
}
update_web_page_instant_view_load_requests(web_page_id, false, Unit());
}
void WebPagesManager::update_web_page_instant_view_load_requests(WebPageId web_page_id, bool force_update,
Result<> result) {
// TODO [Error : 0 : Lost promise] on closing
LOG(INFO) << "Update load requests for " << web_page_id;
auto it = load_web_page_instant_view_queries_.find(web_page_id);
if (it == load_web_page_instant_view_queries_.end()) {
return;
}
vector<Promise<Unit>> promises[2];
promises[0] = std::move(it->second.partial);
promises[1] = std::move(it->second.full);
reset_to_empty(it->second.partial);
reset_to_empty(it->second.full);
load_web_page_instant_view_queries_.erase(it);
if (result.is_error()) {
LOG(INFO) << "Receive error " << result.error() << " for load " << web_page_id;
combine(promises[0], std::move(promises[1]));
for (auto &promise : promises[0]) {
promise.set_error(result.error().clone());
}
return;
}
LOG(INFO) << "Successfully loaded web page " << web_page_id;
const WebPageInstantView *web_page_instant_view = get_web_page_instant_view(web_page_id);
if (web_page_instant_view == nullptr) {
combine(promises[0], std::move(promises[1]));
for (auto &promise : promises[0]) {
promise.set_value(Unit());
}
return;
}
if (web_page_instant_view->is_loaded) {
if (web_page_instant_view->is_full) {
combine(promises[0], std::move(promises[1]));
}
for (auto &promise : promises[0]) {
promise.set_value(Unit());
}
reset_to_empty(promises[0]);
}
if (!promises[0].empty() || !promises[1].empty()) {
if (force_update) {
// protection from cycles
LOG(ERROR) << "Expected to receive " << web_page_id << " from the server, but didn't receive it";
combine(promises[0], std::move(promises[1]));
for (auto &promise : promises[0]) {
promise.set_value(Unit());
}
return;
}
auto &load_queries = load_web_page_instant_view_queries_[web_page_id];
auto old_size = load_queries.partial.size() + load_queries.full.size();
combine(load_queries.partial, std::move(promises[0]));
combine(load_queries.full, std::move(promises[1]));
if (old_size == 0) {
reload_web_page_instant_view(web_page_id);
}
}
}
WebPageId WebPagesManager::get_web_page_by_url(const string &url) const {
if (url.empty()) {
return WebPageId();
}
LOG(INFO) << "Get web page id for the url \"" << url << '"';
auto it = url_to_web_page_id_.find(url);
if (it != url_to_web_page_id_.end()) {
return it->second;
}
return WebPageId();
}
WebPageId WebPagesManager::get_web_page_by_url(const string &url, Promise<Unit> &&promise) {
LOG(INFO) << "Trying to get web page id for the url \"" << url << '"';
auto it = url_to_web_page_id_.find(url);
if (it != url_to_web_page_id_.end()) {
promise.set_value(Unit());
return it->second;
}
load_web_page_by_url(url, std::move(promise));
return WebPageId();
}
void WebPagesManager::load_web_page_by_url(const string &url, Promise<Unit> &&promise) {
if (!G()->parameters().use_message_db) {
reload_web_page_by_url(url, std::move(promise));
return;
}
LOG(INFO) << "Load \"" << url << '"';
G()->td_db()->get_sqlite_pmc()->get(get_web_page_url_database_key(url),
PromiseCreator::lambda([url, promise = std::move(promise)](string value) mutable {
send_closure(G()->web_pages_manager(),
&WebPagesManager::on_load_web_page_id_by_url_from_database, url,
value, std::move(promise));
}));
}
void WebPagesManager::on_load_web_page_id_by_url_from_database(const string &url, string value,
Promise<Unit> &&promise) {
LOG(INFO) << "Successfully loaded url \"" << url << "\" of size " << value.size() << " from database";
// G()->td_db()->get_sqlite_pmc()->erase(get_web_page_url_database_key(web_page_id), Auto());
// return;
auto it = url_to_web_page_id_.find(url);
if (it != url_to_web_page_id_.end()) {
// URL web page has already been loaded
promise.set_value(Unit());
return;
}
if (!value.empty()) {
auto web_page_id = WebPageId(to_integer<int64>(value));
if (web_page_id.is_valid()) {
if (have_web_page(web_page_id)) {
// URL web page has already been loaded
on_get_web_page_by_url(url, web_page_id, true);
promise.set_value(Unit());
return;
}
load_web_page_from_database(
web_page_id,
PromiseCreator::lambda([web_page_id, url, promise = std::move(promise)](Result<> result) mutable {
send_closure(G()->web_pages_manager(), &WebPagesManager::on_load_web_page_by_url_from_database, web_page_id,
url, std::move(promise), std::move(result));
}));
return;
} else {
LOG(ERROR) << "Receive invalid " << web_page_id;
}
}
reload_web_page_by_url(url, std::move(promise));
}
void WebPagesManager::on_load_web_page_by_url_from_database(WebPageId web_page_id, const string &url,
Promise<Unit> &&promise, Result<> result) {
if (result.is_error()) {
CHECK(G()->close_flag());
promise.set_error(Status::Error(500, "Request aborted"));
return;
}
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
reload_web_page_by_url(url, std::move(promise));
return;
}
if (web_page->url != url) {
on_get_web_page_by_url(url, web_page_id, true);
}
promise.set_value(Unit());
}
void WebPagesManager::reload_web_page_by_url(const string &url, Promise<Unit> &&promise) {
LOG(INFO) << "Reload url \"" << url << '"';
td_->create_handler<GetWebPageQuery>(std::move(promise))->send(url, 0);
}
SecretInputMedia WebPagesManager::get_secret_input_media(WebPageId web_page_id) const {
if (!web_page_id.is_valid()) {
return SecretInputMedia{};
}
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
return SecretInputMedia{};
}
return SecretInputMedia{nullptr, make_tl_object<secret_api::decryptedMessageMediaWebPage>(web_page->url)};
}
bool WebPagesManager::have_web_page(WebPageId web_page_id) const {
if (!web_page_id.is_valid()) {
return false;
}
return get_web_page(web_page_id) != nullptr;
}
tl_object_ptr<td_api::webPage> WebPagesManager::get_web_page_object(WebPageId web_page_id) const {
if (!web_page_id.is_valid()) {
return nullptr;
}
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
return nullptr;
}
int32 instant_view_version = [web_page] {
if (web_page->instant_view.is_empty) {
return 0;
}
if (web_page->instant_view.is_v2) {
return 2;
}
return 1;
}();
return make_tl_object<td_api::webPage>(
web_page->url, web_page->display_url, web_page->type, web_page->site_name, web_page->title, web_page->description,
get_photo_object(td_->file_manager_.get(), &web_page->photo), web_page->embed_url, web_page->embed_type,
web_page->embed_dimensions.width, web_page->embed_dimensions.height, web_page->duration, web_page->author,
web_page->document.type == Document::Type::Animation
? td_->animations_manager_->get_animation_object(web_page->document.file_id, "get_web_page_object")
: nullptr,
web_page->document.type == Document::Type::Audio
? td_->audios_manager_->get_audio_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::General
? td_->documents_manager_->get_document_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::Sticker
? td_->stickers_manager_->get_sticker_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::Video
? td_->videos_manager_->get_video_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::VideoNote
? td_->video_notes_manager_->get_video_note_object(web_page->document.file_id)
: nullptr,
web_page->document.type == Document::Type::VoiceNote
? td_->voice_notes_manager_->get_voice_note_object(web_page->document.file_id)
: nullptr,
instant_view_version);
}
tl_object_ptr<td_api::webPageInstantView> WebPagesManager::get_web_page_instant_view_object(
WebPageId web_page_id) const {
return get_web_page_instant_view_object(get_web_page_instant_view(web_page_id));
}
tl_object_ptr<td_api::webPageInstantView> WebPagesManager::get_web_page_instant_view_object(
const WebPageInstantView *web_page_instant_view) const {
if (web_page_instant_view == nullptr) {
return nullptr;
}
if (!web_page_instant_view->is_loaded) {
LOG(ERROR) << "Trying to get not loaded web page instant view";
return nullptr;
}
return make_tl_object<td_api::webPageInstantView>(get_page_block_objects(web_page_instant_view->page_blocks),
web_page_instant_view->is_v2 ? 2 : 1, web_page_instant_view->url,
web_page_instant_view->is_rtl, web_page_instant_view->is_full);
}
void WebPagesManager::update_messages_content(WebPageId web_page_id, bool have_web_page) {
LOG(INFO) << "Update messages awaiting " << web_page_id;
auto it = pending_web_pages_.find(web_page_id);
if (it != pending_web_pages_.end()) {
auto full_message_ids = std::move(it->second);
pending_web_pages_.erase(it);
for (auto full_message_id : full_message_ids) {
send_closure_later(G()->messages_manager(), &MessagesManager::on_update_message_web_page, full_message_id,
have_web_page);
}
}
auto get_it = pending_get_web_pages_.find(web_page_id);
if (get_it != pending_get_web_pages_.end()) {
auto requests = std::move(get_it->second);
pending_get_web_pages_.erase(get_it);
for (auto &request : requests) {
on_get_web_page_preview_success(request.first, request.second.first, have_web_page ? web_page_id : WebPageId(),
std::move(request.second.second));
}
}
pending_web_pages_timeout_.cancel_timeout(web_page_id.get());
}
const WebPagesManager::WebPage *WebPagesManager::get_web_page(WebPageId web_page_id) const {
auto p = web_pages_.find(web_page_id);
if (p == web_pages_.end()) {
return nullptr;
} else {
return p->second.get();
}
}
const WebPagesManager::WebPageInstantView *WebPagesManager::get_web_page_instant_view(WebPageId web_page_id) const {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr || web_page->instant_view.is_empty) {
return nullptr;
}
return &web_page->instant_view;
}
void WebPagesManager::on_pending_web_page_timeout_callback(void *web_pages_manager_ptr, int64 web_page_id) {
static_cast<WebPagesManager *>(web_pages_manager_ptr)->on_pending_web_page_timeout(WebPageId(web_page_id));
}
void WebPagesManager::on_pending_web_page_timeout(WebPageId web_page_id) {
int32 count = 0;
auto it = pending_web_pages_.find(web_page_id);
if (it != pending_web_pages_.end()) {
vector<FullMessageId> full_message_ids;
for (auto full_message_id : it->second) {
full_message_ids.push_back(full_message_id);
count++;
}
send_closure_later(G()->messages_manager(), &MessagesManager::get_messages_from_server, std::move(full_message_ids),
Promise<Unit>(), nullptr);
}
auto get_it = pending_get_web_pages_.find(web_page_id);
if (get_it != pending_get_web_pages_.end()) {
auto requests = std::move(get_it->second);
pending_get_web_pages_.erase(get_it);
for (auto &request : requests) {
on_get_web_page_preview_fail(request.first, request.second.first, Status::Error(500, "Request timeout exceeded"),
std::move(request.second.second));
count++;
}
}
if (count == 0) {
LOG(WARNING) << "Have no messages waiting for " << web_page_id;
}
}
void WebPagesManager::on_get_web_page_instant_view(WebPage *web_page, tl_object_ptr<telegram_api::page> &&page,
int32 hash, DialogId owner_dialog_id) {
CHECK(page != nullptr);
std::unordered_map<int64, Photo> photos;
for (auto &photo_ptr : page->photos_) {
Photo photo = get_photo(td_->file_manager_.get(), std::move(photo_ptr), owner_dialog_id);
if (photo.id == -2 || photo.id == 0) {
LOG(ERROR) << "Receive empty photo in web page instant view for " << web_page->url;
} else {
auto photo_id = photo.id;
photos.emplace(photo_id, std::move(photo));
}
}
if (web_page->photo.id != -2 && web_page->photo.id != 0) {
photos.emplace(web_page->photo.id, web_page->photo);
}
std::unordered_map<int64, FileId> animations;
std::unordered_map<int64, FileId> audios;
std::unordered_map<int64, FileId> documents;
std::unordered_map<int64, FileId> videos;
for (auto &document_ptr : page->documents_) {
if (document_ptr->get_id() == telegram_api::document::ID) {
auto document = move_tl_object_as<telegram_api::document>(document_ptr);
auto document_id = document->id_;
auto parsed_document = td_->documents_manager_->on_get_document(std::move(document), owner_dialog_id);
if (parsed_document.type == Document::Type::Animation) {
animations.emplace(document_id, parsed_document.file_id);
} else if (parsed_document.type == Document::Type::Audio) {
audios.emplace(document_id, parsed_document.file_id);
} else if (parsed_document.type == Document::Type::General) {
documents.emplace(document_id, parsed_document.file_id);
} else if (parsed_document.type == Document::Type::Video) {
videos.emplace(document_id, parsed_document.file_id);
} else {
LOG(ERROR) << "Receive document of the wrong type: " << parsed_document;
}
}
}
if (web_page->document.type == Document::Type::Animation) {
auto file_view = td_->file_manager_->get_file_view(web_page->document.file_id);
if (file_view.has_remote_location()) {
animations.emplace(file_view.remote_location().get_id(), web_page->document.file_id);
} else {
LOG(ERROR) << "Animation has no remote location";
}
}
if (web_page->document.type == Document::Type::Audio) {
auto file_view = td_->file_manager_->get_file_view(web_page->document.file_id);
if (file_view.has_remote_location()) {
audios.emplace(file_view.remote_location().get_id(), web_page->document.file_id);
} else {
LOG(ERROR) << "Audio has no remote location";
}
}
if (web_page->document.type == Document::Type::General) {
auto file_view = td_->file_manager_->get_file_view(web_page->document.file_id);
if (file_view.has_remote_location()) {
documents.emplace(file_view.remote_location().get_id(), web_page->document.file_id);
} else {
LOG(ERROR) << "Document has no remote location";
}
}
if (web_page->document.type == Document::Type::Video) {
auto file_view = td_->file_manager_->get_file_view(web_page->document.file_id);
if (file_view.has_remote_location()) {
videos.emplace(file_view.remote_location().get_id(), web_page->document.file_id);
} else {
LOG(ERROR) << "Video has no remote location";
}
}
LOG(INFO) << "Receive a web page instant view with " << page->blocks_.size() << " blocks, " << animations.size()
<< " animations, " << audios.size() << " audios, " << documents.size() << " documents, " << photos.size()
<< " photos and " << videos.size() << " videos";
web_page->instant_view.page_blocks =
get_web_page_blocks(td_, std::move(page->blocks_), animations, audios, documents, photos, videos);
web_page->instant_view.is_v2 = (page->flags_ & telegram_api::page::V2_MASK) != 0;
web_page->instant_view.is_rtl = (page->flags_ & telegram_api::page::RTL_MASK) != 0;
web_page->instant_view.hash = hash;
web_page->instant_view.url = std::move(page->url_);
web_page->instant_view.is_empty = false;
web_page->instant_view.is_full = (page->flags_ & telegram_api::page::PART_MASK) == 0;
web_page->instant_view.is_loaded = true;
LOG(DEBUG) << "Receive web page instant view: "
<< to_string(get_web_page_instant_view_object(&web_page->instant_view));
}
class WebPagesManager::WebPageLogEvent {
public:
WebPageId web_page_id;
const WebPage *web_page_in;
unique_ptr<WebPage> web_page_out;
WebPageLogEvent() = default;
WebPageLogEvent(WebPageId web_page_id, const WebPage *web_page) : web_page_id(web_page_id), web_page_in(web_page) {
}
template <class StorerT>
void store(StorerT &storer) const {
td::store(web_page_id, storer);
td::store(*web_page_in, storer);
}
template <class ParserT>
void parse(ParserT &parser) {
td::parse(web_page_id, parser);
CHECK(web_page_out == nullptr);
web_page_out = make_unique<WebPage>();
td::parse(*web_page_out, parser);
}
};
void WebPagesManager::save_web_page(const WebPage *web_page, WebPageId web_page_id, bool from_binlog) {
if (!G()->parameters().use_message_db) {
return;
}
CHECK(web_page != nullptr);
if (!from_binlog) {
WebPageLogEvent logevent(web_page_id, web_page);
LogEventStorerImpl<WebPageLogEvent> storer(logevent);
if (web_page->logevent_id == 0) {
web_page->logevent_id = binlog_add(G()->td_db()->get_binlog(), LogEvent::HandlerType::WebPages, storer);
} else {
binlog_rewrite(G()->td_db()->get_binlog(), web_page->logevent_id, LogEvent::HandlerType::WebPages, storer);
}
}
LOG(INFO) << "Save " << web_page_id << " to database";
G()->td_db()->get_sqlite_pmc()->set(
get_web_page_database_key(web_page_id), log_event_store(*web_page).as_slice().str(),
PromiseCreator::lambda([web_page_id](Result<> result) {
send_closure(G()->web_pages_manager(), &WebPagesManager::on_save_web_page_to_database, web_page_id,
result.is_ok());
}));
}
string WebPagesManager::get_web_page_url_database_key(const string &url) {
return "wpurl" + url;
}
void WebPagesManager::on_binlog_web_page_event(BinlogEvent &&event) {
if (!G()->parameters().use_message_db) {
binlog_erase(G()->td_db()->get_binlog(), event.id_);
return;
}
WebPageLogEvent log_event;
log_event_parse(log_event, event.data_).ensure();
auto web_page_id = log_event.web_page_id;
LOG(INFO) << "Add " << web_page_id << " from binlog";
auto web_page = std::move(log_event.web_page_out);
CHECK(web_page != nullptr);
web_page->logevent_id = event.id_;
update_web_page(std::move(web_page), web_page_id, true, false);
}
string WebPagesManager::get_web_page_database_key(WebPageId web_page_id) {
return PSTRING() << "wp" << web_page_id.get();
}
void WebPagesManager::on_save_web_page_to_database(WebPageId web_page_id, bool success) {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
LOG(ERROR) << "Can't find " << (success ? "saved " : "failed to save ") << web_page_id;
return;
}
if (!success) {
LOG(ERROR) << "Failed to save " << web_page_id << " to database";
save_web_page(web_page, web_page_id, web_page->logevent_id != 0);
} else {
LOG(INFO) << "Successfully saved " << web_page_id << " to database";
if (web_page->logevent_id != 0) {
LOG(INFO) << "Erase " << web_page_id << " from binlog";
binlog_erase(G()->td_db()->get_binlog(), web_page->logevent_id);
web_page->logevent_id = 0;
}
}
}
void WebPagesManager::load_web_page_from_database(WebPageId web_page_id, Promise<Unit> promise) {
if (!G()->parameters().use_message_db || loaded_from_database_web_pages_.count(web_page_id)) {
promise.set_value(Unit());
return;
}
LOG(INFO) << "Load " << web_page_id << " from database";
auto &load_web_page_queries = load_web_page_from_database_queries_[web_page_id];
load_web_page_queries.push_back(std::move(promise));
if (load_web_page_queries.size() == 1u) {
G()->td_db()->get_sqlite_pmc()->get(
get_web_page_database_key(web_page_id), PromiseCreator::lambda([web_page_id](string value) {
send_closure(G()->web_pages_manager(), &WebPagesManager::on_load_web_page_from_database, web_page_id,
std::move(value));
}));
}
}
void WebPagesManager::on_load_web_page_from_database(WebPageId web_page_id, string value) {
if (!loaded_from_database_web_pages_.insert(web_page_id).second) {
return;
}
auto it = load_web_page_from_database_queries_.find(web_page_id);
vector<Promise<Unit>> promises;
if (it != load_web_page_from_database_queries_.end()) {
promises = std::move(it->second);
CHECK(!promises.empty());
load_web_page_from_database_queries_.erase(it);
}
LOG(INFO) << "Successfully loaded " << web_page_id << " of size " << value.size() << " from database";
// G()->td_db()->get_sqlite_pmc()->erase(get_web_page_database_key(web_page_id), Auto());
// return;
if (!have_web_page(web_page_id)) {
if (!value.empty()) {
auto result = make_unique<WebPage>();
auto status = log_event_parse(*result, value);
if (status.is_error()) {
LOG(FATAL) << status << ": " << format::as_hex_dump<4>(Slice(value));
}
update_web_page(std::move(result), web_page_id, true, true);
}
} else {
// web page has already been loaded from the server
}
for (auto &promise : promises) {
promise.set_value(Unit());
}
}
bool WebPagesManager::have_web_page_force(WebPageId web_page_id) {
return get_web_page_force(web_page_id) != nullptr;
}
const WebPagesManager::WebPage *WebPagesManager::get_web_page_force(WebPageId web_page_id) {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page != nullptr) {
return web_page;
}
if (!G()->parameters().use_message_db) {
return nullptr;
}
if (loaded_from_database_web_pages_.count(web_page_id)) {
return nullptr;
}
LOG(INFO) << "Trying to load " << web_page_id << " from database";
on_load_web_page_from_database(web_page_id,
G()->td_db()->get_sqlite_sync_pmc()->get(get_web_page_database_key(web_page_id)));
return get_web_page(web_page_id);
}
FileSourceId WebPagesManager::get_web_page_file_source_id(WebPage *web_page) {
if (!web_page->file_source_id.is_valid()) {
web_page->file_source_id = td_->file_reference_manager_->create_web_page_file_source(web_page->url);
}
return web_page->file_source_id;
}
FileSourceId WebPagesManager::get_url_file_source_id(const string &url) {
auto web_page_id = get_web_page_by_url(url);
if (web_page_id.is_valid()) {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page != nullptr) {
if (!web_page->file_source_id.is_valid()) {
web_pages_[web_page_id]->file_source_id =
td_->file_reference_manager_->create_web_page_file_source(web_page->url);
}
return web_page->file_source_id;
}
}
return url_to_file_source_id_[url] = td_->file_reference_manager_->create_web_page_file_source(url);
}
string WebPagesManager::get_web_page_search_text(WebPageId web_page_id) const {
const WebPage *web_page = get_web_page(web_page_id);
if (web_page == nullptr) {
return "";
}
return PSTRING() << web_page->title + " " + web_page->description;
}
vector<FileId> WebPagesManager::get_web_page_file_ids(const WebPage *web_page) const {
if (web_page == nullptr) {
return vector<FileId>();
}
vector<FileId> result = photo_get_file_ids(web_page->photo);
if (!web_page->document.empty()) {
append(result, web_page->document.get_file_ids(td_));
}
if (!web_page->instant_view.is_empty) {
for (auto &page_block : web_page->instant_view.page_blocks) {
page_block->append_file_ids(result);
}
}
return result;
}
} // namespace td
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