tdlight/td/telegram/MessagesDb.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// 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/MessageId.h"
#include "td/actor/PromiseFuture.h"
#include "td/db/SqliteConnectionSafe.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
#include "td/utils/Status.h"
#include <memory>
#include <utility>
namespace td {
// append only before Size
enum class SearchMessagesFilter : int32 {
Empty,
Animation,
Audio,
Document,
Photo,
Video,
VoiceNote,
PhotoAndVideo,
Url,
ChatPhoto,
Call,
MissedCall,
VideoNote,
VoiceAndVideoNote,
Mention,
UnreadMention,
Size
};
struct MessagesDbMessagesQuery {
DialogId dialog_id;
int32 index_mask{0};
MessageId from_message_id;
int32 offset{0};
int32 limit{100};
};
struct MessagesDbMessagesResult {
std::vector<BufferSlice> messages;
};
struct MessagesDbMessage {
DialogId dialog_id;
BufferSlice data;
};
struct MessagesDbFtsQuery {
string query;
DialogId dialog_id;
int32 index_mask{0};
int64 from_search_id{0};
int32 limit{100};
};
struct MessagesDbFtsResult {
std::vector<MessagesDbMessage> messages;
int64 next_search_id{1};
};
struct MessagesDbCallsQuery {
int32 index_mask{0};
int32 from_unique_message_id{0};
int32 limit{100};
};
struct MessagesDbCallsResult {
std::vector<MessagesDbMessage> messages;
};
class MessagesDbSyncInterface {
public:
MessagesDbSyncInterface() = default;
MessagesDbSyncInterface(const MessagesDbSyncInterface &) = delete;
MessagesDbSyncInterface &operator=(const MessagesDbSyncInterface &) = delete;
virtual ~MessagesDbSyncInterface() = default;
virtual Status add_message(FullMessageId full_message_id, ServerMessageId unique_message_id, UserId sender_user_id,
int64 random_id, int32 ttl_expires_at, int32 index_mask, int64 search_id, string text,
BufferSlice data) = 0;
virtual Status delete_message(FullMessageId full_message_id) = 0;
virtual Status delete_all_dialog_messages(DialogId dialog_id, MessageId from_message_id) = 0;
virtual Status delete_dialog_messages_from_user(DialogId dialog_id, UserId sender_user_id) = 0;
virtual Result<BufferSlice> get_message(FullMessageId full_message_id) = 0;
virtual Result<std::pair<DialogId, BufferSlice>> get_message_by_unique_message_id(
ServerMessageId unique_message_id) = 0;
virtual Result<BufferSlice> get_message_by_random_id(DialogId dialog_id, int64 random_id) = 0;
virtual Result<BufferSlice> get_dialog_message_by_date(DialogId dialog_id, MessageId first_message_id,
MessageId last_message_id, int32 date) = 0;
virtual Result<MessagesDbMessagesResult> get_messages(MessagesDbMessagesQuery query) = 0;
virtual Result<std::pair<std::vector<std::pair<DialogId, BufferSlice>>, int32>> get_expiring_messages(
int32 expire_from, int32 expire_till, int32 limit) = 0;
virtual Result<MessagesDbCallsResult> get_calls(MessagesDbCallsQuery query) = 0;
virtual Result<MessagesDbFtsResult> get_messages_fts(MessagesDbFtsQuery query) = 0;
virtual Status begin_transaction() = 0;
virtual Status commit_transaction() = 0;
};
class MessagesDbSyncSafeInterface {
public:
MessagesDbSyncSafeInterface() = default;
MessagesDbSyncSafeInterface(const MessagesDbSyncSafeInterface &) = delete;
MessagesDbSyncSafeInterface &operator=(const MessagesDbSyncSafeInterface &) = delete;
virtual ~MessagesDbSyncSafeInterface() = default;
virtual MessagesDbSyncInterface &get() = 0;
};
class MessagesDbAsyncInterface {
public:
MessagesDbAsyncInterface() = default;
MessagesDbAsyncInterface(const MessagesDbAsyncInterface &) = delete;
MessagesDbAsyncInterface &operator=(const MessagesDbAsyncInterface &) = delete;
virtual ~MessagesDbAsyncInterface() = default;
virtual void add_message(FullMessageId full_message_id, ServerMessageId unique_message_id, UserId sender_user_id,
int64 random_id, int32 ttl_expires_at, int32 index_mask, int64 search_id, string text,
BufferSlice data, Promise<> promise) = 0;
virtual void delete_message(FullMessageId full_message_id, Promise<> promise) = 0;
virtual void delete_all_dialog_messages(DialogId dialog_id, MessageId from_message_id, Promise<> promise) = 0;
virtual void delete_dialog_messages_from_user(DialogId dialog_id, UserId sender_user_id, Promise<> promise) = 0;
virtual void get_message(FullMessageId full_message_id, Promise<BufferSlice> promise) = 0;
virtual void get_message_by_unique_message_id(ServerMessageId unique_message_id,
Promise<std::pair<DialogId, BufferSlice>> promise) = 0;
virtual void get_message_by_random_id(DialogId dialog_id, int64 random_id, Promise<BufferSlice> promise) = 0;
virtual void get_dialog_message_by_date(DialogId dialog_id, MessageId first_message_id, MessageId last_message_id,
int32 date, Promise<BufferSlice> promise) = 0;
virtual void get_messages(MessagesDbMessagesQuery query, Promise<MessagesDbMessagesResult>) = 0;
virtual void get_calls(MessagesDbCallsQuery, Promise<MessagesDbCallsResult>) = 0;
virtual void get_messages_fts(MessagesDbFtsQuery query, Promise<MessagesDbFtsResult> promise) = 0;
virtual void get_expiring_messages(
int32 expire_from, int32 expire_till, int32 limit,
Promise<std::pair<std::vector<std::pair<DialogId, BufferSlice>>, int32>> promise) = 0;
virtual void close(Promise<> promise) = 0;
virtual void force_flush() = 0;
};
Status init_messages_db(SqliteDb &db, int version) TD_WARN_UNUSED_RESULT;
Status drop_messages_db(SqliteDb &db, int version) TD_WARN_UNUSED_RESULT;
std::shared_ptr<MessagesDbSyncSafeInterface> create_messages_db_sync(
std::shared_ptr<SqliteConnectionSafe> sqlite_connection);
std::shared_ptr<MessagesDbAsyncInterface> create_messages_db_async(std::shared_ptr<MessagesDbSyncSafeInterface> sync_db,
int32 scheduler_id);
} // namespace td