tdlight/td/telegram/DialogDb.h
levlam a062fa4f0c Forward-declare SqliteConnectionSafe and SqliteDb. Finally, all DB usages are private.
GitOrigin-RevId: 63d904c6ba9e3896f46ce8844e328f77c7e50553
2019-01-07 03:17:11 +03:00

94 lines
3.5 KiB
C++

//
// 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)
//
#pragma once
#include "td/telegram/DialogId.h"
#include "td/telegram/NotificationGroupId.h"
#include "td/telegram/NotificationGroupKey.h"
#include "td/actor/PromiseFuture.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
#include "td/utils/Status.h"
#include <memory>
#include <utility>
namespace td {
class SqliteConnectionSafe;
class SqliteDb;
class DialogDbSyncInterface {
public:
DialogDbSyncInterface() = default;
DialogDbSyncInterface(const DialogDbSyncInterface &) = delete;
DialogDbSyncInterface &operator=(const DialogDbSyncInterface &) = delete;
virtual ~DialogDbSyncInterface() = default;
virtual Status add_dialog(DialogId dialog_id, int64 order, BufferSlice data,
vector<NotificationGroupKey> notification_groups) = 0;
virtual Result<BufferSlice> get_dialog(DialogId dialog_id) = 0;
virtual Result<vector<BufferSlice>> get_dialogs(int64 order, DialogId dialog_id, int32 limit) = 0;
virtual Result<vector<NotificationGroupKey>> get_notification_groups_by_last_notification_date(
NotificationGroupKey notification_group_key, int32 limit) = 0;
virtual Result<NotificationGroupKey> get_notification_group(NotificationGroupId notification_group_id) = 0;
virtual Status begin_transaction() = 0;
virtual Status commit_transaction() = 0;
};
class DialogDbSyncSafeInterface {
public:
DialogDbSyncSafeInterface() = default;
DialogDbSyncSafeInterface(const DialogDbSyncSafeInterface &) = delete;
DialogDbSyncSafeInterface &operator=(const DialogDbSyncSafeInterface &) = delete;
virtual ~DialogDbSyncSafeInterface() = default;
virtual DialogDbSyncInterface &get() = 0;
};
class DialogDbAsyncInterface {
public:
DialogDbAsyncInterface() = default;
DialogDbAsyncInterface(const DialogDbAsyncInterface &) = delete;
DialogDbAsyncInterface &operator=(const DialogDbAsyncInterface &) = delete;
virtual ~DialogDbAsyncInterface() = default;
virtual void add_dialog(DialogId dialog_id, int64 order, BufferSlice data,
vector<NotificationGroupKey> notification_groups, Promise<> promise) = 0;
virtual void get_dialog(DialogId dialog_id, Promise<BufferSlice> promise) = 0;
virtual void get_dialogs(int64 order, DialogId dialog_id, int32 limit, Promise<vector<BufferSlice>> promise) = 0;
virtual void get_notification_groups_by_last_notification_date(NotificationGroupKey notification_group_key,
int32 limit,
Promise<vector<NotificationGroupKey>> promise) = 0;
virtual void get_notification_group(NotificationGroupId notification_group_id,
Promise<NotificationGroupKey> promise) = 0;
virtual void close(Promise<> promise) = 0;
};
Status init_dialog_db(SqliteDb &db, int version, bool &was_created) TD_WARN_UNUSED_RESULT;
Status drop_dialog_db(SqliteDb &db, int version) TD_WARN_UNUSED_RESULT;
std::shared_ptr<DialogDbSyncSafeInterface> create_dialog_db_sync(
std::shared_ptr<SqliteConnectionSafe> sqlite_connection);
std::shared_ptr<DialogDbAsyncInterface> create_dialog_db_async(std::shared_ptr<DialogDbSyncSafeInterface> sync_db,
int32 scheduler_id);
} // namespace td