tdlight/td/telegram/DialogDb.h

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//
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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)
//
#pragma once
#include "td/telegram/DialogId.h"
#include "td/telegram/FolderId.h"
#include "td/telegram/NotificationGroupId.h"
#include "td/telegram/NotificationGroupKey.h"
#include "td/db/KeyValueSyncInterface.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
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#include "td/utils/Promise.h"
#include "td/utils/Status.h"
#include <memory>
#include <utility>
namespace td {
class SqliteConnectionSafe;
class SqliteDb;
struct DialogDbGetDialogsResult {
vector<BufferSlice> dialogs;
int64 next_order = 0;
DialogId next_dialog_id;
};
class DialogDbSyncInterface {
public:
DialogDbSyncInterface() = default;
DialogDbSyncInterface(const DialogDbSyncInterface &) = delete;
DialogDbSyncInterface &operator=(const DialogDbSyncInterface &) = delete;
virtual ~DialogDbSyncInterface() = default;
virtual void add_dialog(DialogId dialog_id, FolderId folder_id, int64 order, BufferSlice data,
vector<NotificationGroupKey> notification_groups) = 0;
virtual Result<BufferSlice> get_dialog(DialogId dialog_id) = 0;
virtual DialogDbGetDialogsResult get_dialogs(FolderId folder_id, int64 order, DialogId dialog_id, int32 limit) = 0;
virtual 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 int32 get_secret_chat_count(FolderId folder_id) = 0;
virtual Status begin_read_transaction() = 0;
virtual Status begin_write_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, FolderId folder_id, int64 order, BufferSlice data,
vector<NotificationGroupKey> notification_groups, Promise<Unit> promise) = 0;
virtual void get_dialog(DialogId dialog_id, Promise<BufferSlice> promise) = 0;
virtual void get_dialogs(FolderId folder_id, int64 order, DialogId dialog_id, int32 limit,
Promise<DialogDbGetDialogsResult> 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 get_secret_chat_count(FolderId folder_id, Promise<int32> promise) = 0;
virtual void close(Promise<Unit> promise) = 0;
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virtual void force_flush() = 0;
};
Status init_dialog_db(SqliteDb &db, int version, KeyValueSyncInterface &binlog_pmc,
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,
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int32 scheduler_id = -1);
} // namespace td