tdlight/td/telegram/TopDialogManager.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2017
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/actor/actor.h"
#include "td/actor/PromiseFuture.h"
#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/DialogId.h"
#include "td/telegram/net/NetQuery.h"
#include "td/utils/common.h"
#include "td/utils/logging.h"
#include "td/utils/Time.h"
#include <array>
#include <utility>
namespace td {
enum class TopDialogCategory { Correspondent, BotPM, BotInline, Group, Channel, Call, Size };
inline TopDialogCategory top_dialog_category_from_td_api(const td_api::TopChatCategory &category) {
switch (category.get_id()) {
case td_api::topChatCategoryUsers::ID:
return TopDialogCategory::Correspondent;
case td_api::topChatCategoryBots::ID:
return TopDialogCategory::BotPM;
case td_api::topChatCategoryInlineBots::ID:
return TopDialogCategory::BotInline;
case td_api::topChatCategoryGroups::ID:
return TopDialogCategory::Group;
case td_api::topChatCategoryChannels::ID:
return TopDialogCategory::Channel;
case td_api::topChatCategoryCalls::ID:
return TopDialogCategory::Call;
default:
UNREACHABLE();
}
}
class TopDialogManager : public NetQueryCallback {
public:
explicit TopDialogManager(ActorShared<> parent) : parent_(std::move(parent)) {
}
void on_dialog_used(TopDialogCategory category, DialogId dialog_id, int32 date);
void remove_dialog(TopDialogCategory category, DialogId dialog_id, tl_object_ptr<telegram_api::InputPeer> input_peer);
void get_top_dialogs(TopDialogCategory category, size_t limit, Promise<vector<DialogId>> promise);
void update_rating_e_decay();
private:
static constexpr size_t MAX_TOP_DIALOGS_LIMIT = 30;
static constexpr int32 SERVER_SYNC_DELAY = 86400; // seconds
static constexpr int32 DB_SYNC_DELAY = 5; // seconds
ActorShared<> parent_;
bool is_active_{false};
bool was_first_sync_{false};
enum class SyncState { None, Pending, Ok };
SyncState db_sync_state_ = SyncState::None;
Timestamp first_unsync_change_;
SyncState server_sync_state_ = SyncState::None;
Timestamp last_server_sync_;
struct GetTopDialogsQuery {
TopDialogCategory category;
size_t limit;
Promise<vector<DialogId>> promise;
};
std::vector<GetTopDialogsQuery> pending_get_top_dialogs_;
struct TopDialog {
DialogId dialog_id;
double rating = 0;
bool operator<(const TopDialog &other) const {
return std::make_pair(-rating, dialog_id.get()) < std::make_pair(-other.rating, other.dialog_id.get());
}
};
struct TopDialogs {
bool is_dirty = false;
double rating_timestamp = 0;
std::vector<TopDialog> dialogs;
};
template <class T>
friend void parse(TopDialog &top_dialog, T &parser);
template <class T>
friend void store(const TopDialog &top_dialog, T &storer);
template <class T>
friend void parse(TopDialogs &top_dialogs, T &parser);
template <class T>
friend void store(const TopDialogs &top_dialogs, T &storer);
std::array<TopDialogs, static_cast<size_t>(TopDialogCategory::Size)> by_category_;
double rating_add(double now, double rating_timestamp) const;
double current_rating_add(double rating_timestamp) const;
void normalize_rating();
int32 rating_e_decay_ = 241920;
void do_get_top_dialogs(GetTopDialogsQuery &&query);
void do_get_top_peers();
void do_save_top_dialogs();
void on_first_sync();
void on_result(NetQueryPtr net_query) override;
void start_up() override;
void loop() override;
};
} // namespace td