tdlight/td/telegram/StoryDb.h
2023-07-10 18:50:03 +03:00

99 lines
3.5 KiB
C++

//
// 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/NotificationId.h"
#include "td/telegram/StoryFullId.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
#include "td/utils/Promise.h"
#include "td/utils/Status.h"
#include <memory>
#include <utility>
namespace td {
class SqliteConnectionSafe;
class SqliteDb;
struct StoryDbStory {
StoryFullId story_full_id_;
BufferSlice data_;
StoryDbStory(StoryFullId story_full_id, BufferSlice &&data) : story_full_id_(story_full_id), data_(std::move(data)) {
}
};
class StoryDbSyncInterface {
public:
StoryDbSyncInterface() = default;
StoryDbSyncInterface(const StoryDbSyncInterface &) = delete;
StoryDbSyncInterface &operator=(const StoryDbSyncInterface &) = delete;
virtual ~StoryDbSyncInterface() = default;
virtual void add_story(StoryFullId story_full_id, int32 expires_at, NotificationId notification_id,
BufferSlice data) = 0;
virtual void delete_story(StoryFullId story_full_id) = 0;
virtual Result<BufferSlice> get_story(StoryFullId story_full_id) = 0;
virtual vector<StoryDbStory> get_expiring_stories(int32 expires_till, int32 limit) = 0;
virtual vector<StoryDbStory> get_stories_from_notification_id(DialogId dialog_id, NotificationId from_notification_id,
int32 limit) = 0;
virtual Status begin_write_transaction() = 0;
virtual Status commit_transaction() = 0;
};
class StoryDbSyncSafeInterface {
public:
StoryDbSyncSafeInterface() = default;
StoryDbSyncSafeInterface(const StoryDbSyncSafeInterface &) = delete;
StoryDbSyncSafeInterface &operator=(const StoryDbSyncSafeInterface &) = delete;
virtual ~StoryDbSyncSafeInterface() = default;
virtual StoryDbSyncInterface &get() = 0;
};
class StoryDbAsyncInterface {
public:
StoryDbAsyncInterface() = default;
StoryDbAsyncInterface(const StoryDbAsyncInterface &) = delete;
StoryDbAsyncInterface &operator=(const StoryDbAsyncInterface &) = delete;
virtual ~StoryDbAsyncInterface() = default;
virtual void add_story(StoryFullId story_full_id, int32 expires_at, NotificationId notification_id, BufferSlice data,
Promise<Unit> promise) = 0;
virtual void delete_story(StoryFullId story_full_id, Promise<Unit> promise) = 0;
virtual void get_story(StoryFullId story_full_id, Promise<BufferSlice> promise) = 0;
virtual void get_expiring_stories(int32 expires_till, int32 limit, Promise<vector<StoryDbStory>> promise) = 0;
virtual void get_stories_from_notification_id(DialogId dialog_id, NotificationId from_notification_id, int32 limit,
Promise<vector<StoryDbStory>> promise) = 0;
virtual void close(Promise<Unit> promise) = 0;
virtual void force_flush() = 0;
};
Status init_story_db(SqliteDb &db, int version) TD_WARN_UNUSED_RESULT;
Status drop_story_db(SqliteDb &db, int version) TD_WARN_UNUSED_RESULT;
std::shared_ptr<StoryDbSyncSafeInterface> create_story_db_sync(std::shared_ptr<SqliteConnectionSafe> sqlite_connection);
std::shared_ptr<StoryDbAsyncInterface> create_story_db_async(std::shared_ptr<StoryDbSyncSafeInterface> sync_db,
int32 scheduler_id = -1);
} // namespace td