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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2026
//
// 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/BackgroundId.h"
#include "td/telegram/ChannelId.h"
#include "td/telegram/ChatId.h"
#include "td/telegram/DialogId.h"
#include "td/telegram/files/FileId.h"
#include "td/telegram/files/FileSourceId.h"
#include "td/telegram/files/FileUploadId.h"
#include "td/telegram/MessageFullId.h"
#include "td/telegram/MessageTopic.h"
#include "td/telegram/PhotoSizeSource.h"
#include "td/telegram/QuickReplyMessageFullId.h"
#include "td/telegram/SetWithPosition.h"
#include "td/telegram/StoryAlbumFullId.h"
#include "td/telegram/StoryFullId.h"
#include "td/telegram/td_api.h"
#include "td/telegram/UserId.h"
#include "td/actor/actor.h"
#include "td/utils/common.h"
#include "td/utils/logging.h"
#include "td/utils/Promise.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
#include "td/utils/Variant.h"
#include "td/utils/WaitFreeHashMap.h"
#include "td/utils/WaitFreeVector.h"
namespace td {
class Td;
extern int VERBOSITY_NAME(file_references);
class FileReferenceManager final : public Actor {
public:
FileReferenceManager(Td *td, ActorShared<> parent);
FileReferenceManager(const FileReferenceManager &) = delete;
FileReferenceManager &operator=(const FileReferenceManager &) = delete;
FileReferenceManager(FileReferenceManager &&) = delete;
FileReferenceManager &operator=(FileReferenceManager &&) = delete;
~FileReferenceManager() final;
static bool is_file_reference_error(const Status &error);
struct FileReferenceErrorSource {
size_t pos_;
bool is_cover_;
};
static FileReferenceErrorSource get_file_reference_error_source(const Status &error, bool expect_index);
bool process_file_reference_error(const Status &status, bool was_uploaded,
const vector<FileUploadId> &file_upload_ids, const vector<string> &file_references,
const vector<FileId> &cover_file_ids, const vector<string> &cover_file_references,
bool expect_index, std::function<void(size_t pos, FileId file_id)> on_error);
bool process_file_reference_error(const Status &status, const vector<FileId> &file_ids,
const vector<string> &file_references, const vector<FileId> &cover_file_ids,
const vector<string> &cover_file_references, bool expect_index,
std::function<void(size_t pos, FileId file_id)> on_error);
FileSourceId create_message_file_source(MessageFullId message_full_id);
FileSourceId create_user_photo_file_source(UserId user_id, int64 photo_id);
// file reference aren't used for chat/channel photo download and the photos can't be reused
// FileSourceId create_chat_photo_file_source(ChatId chat_id);
// FileSourceId create_channel_photo_file_source(ChannelId channel_id);
// FileSourceId create_wallpapers_file_source(); old wallpapers can't be repaired
FileSourceId create_web_page_file_source(string url);
FileSourceId create_saved_animations_file_source();
FileSourceId create_recent_stickers_file_source(bool is_attached);
FileSourceId create_favorite_stickers_file_source();
FileSourceId create_background_file_source(BackgroundId background_id, int64 access_hash);
FileSourceId create_chat_full_file_source(ChatId chat_id);
FileSourceId create_channel_full_file_source(ChannelId channel_id);
FileSourceId create_app_config_file_source();
FileSourceId create_saved_ringtones_file_source();
FileSourceId create_user_full_file_source(UserId user_id);
FileSourceId create_attach_menu_bot_file_source(UserId user_id);
FileSourceId create_web_app_file_source(UserId user_id, const string &short_name);
FileSourceId create_story_file_source(StoryFullId story_full_id);
FileSourceId create_quick_reply_message_file_source(QuickReplyMessageFullId message_full_id);
FileSourceId create_star_transaction_file_source(DialogId dialog_id, const string &transaction_id, bool is_refund);
FileSourceId create_bot_media_preview_file_source(UserId bot_user_id);
FileSourceId create_bot_media_preview_info_file_source(UserId bot_user_id, const string &language_code);
FileSourceId create_story_album_file_source(StoryAlbumFullId story_album_full_id);
FileSourceId create_user_saved_music_file_source(UserId user_id, int64 document_id, int64 access_hash);
FileSourceId create_draft_message_file_source(DialogId dialog_id, MessageTopic topic);
FileSourceId create_rich_message_file_source(MessageFullId message_full_id);
using NodeId = FileId;
void repair_file_reference(NodeId node_id, Promise<> promise);
void get_file_search_text(FileSourceId file_source_id, string unique_file_id, Promise<string> promise);
td_api::object_ptr<td_api::message> get_message_object(FileSourceId file_source_id) const;
void reload_photo(PhotoSizeSource source, Promise<Unit> promise);
bool add_file_source(NodeId node_id, FileSourceId file_source_id, const char *source);
vector<FileSourceId> get_some_file_sources(NodeId node_id);
vector<MessageFullId> get_some_message_file_sources(NodeId node_id);
bool remove_file_source(NodeId node_id, FileSourceId file_source_id, const char *source);
void merge(NodeId to_node_id, NodeId from_node_id);
template <class StorerT>
void store_file_source(FileSourceId file_source_id, StorerT &storer) const;
template <class ParserT>
FileSourceId parse_file_source(Td *td, ParserT &parser);
private:
struct Destination {
NodeId node_id;
int64 generation{0};
Destination() = default;
Destination(NodeId node_id, int64 generation) : node_id(node_id), generation(generation) {
}
bool is_empty() const {
return node_id.empty();
}
};
struct Query {
std::vector<Promise<>> promises;
int32 active_queries{0};
Destination proxy;
int64 generation{0};
};
struct Node {
SetWithPosition<FileSourceId> file_source_ids;
unique_ptr<Query> query;
double last_successful_repair_time = -1e10;
};
struct FileSourceMessage {
MessageFullId message_full_id;
};
struct FileSourceUserPhoto {
int64 photo_id;
UserId user_id;
};
struct FileSourceChatPhoto {
ChatId chat_id;
};
struct FileSourceChannelPhoto {
ChannelId channel_id;
};
struct FileSourceWallpapers {
// empty
};
struct FileSourceWebPage {
string url;
};
struct FileSourceSavedAnimations {
// empty
};
struct FileSourceRecentStickers {
bool is_attached;
};
struct FileSourceFavoriteStickers {
// empty
};
struct FileSourceBackground {
BackgroundId background_id;
int64 access_hash;
};
struct FileSourceChatFull {
ChatId chat_id;
};
struct FileSourceChannelFull {
ChannelId channel_id;
};
struct FileSourceAppConfig {
// empty
};
struct FileSourceSavedRingtones {
// empty
};
struct FileSourceUserFull {
UserId user_id;
};
struct FileSourceAttachMenuBot {
UserId user_id;
};
struct FileSourceWebApp {
UserId user_id;
string short_name;
};
struct FileSourceStory {
StoryFullId story_full_id;
};
struct FileSourceQuickReplyMessage {
QuickReplyMessageFullId message_full_id;
};
struct FileSourceStarTransaction {
DialogId dialog_id;
string transaction_id;
bool is_refund;
};
struct FileSourceBotMediaPreview {
UserId bot_user_id;
};
struct FileSourceBotMediaPreviewInfo {
UserId bot_user_id;
string language_code;
};
struct FileSourceStoryAlbum {
StoryAlbumFullId story_album_full_id;
};
struct FileSourceUserSavedMusic {
int64 document_id;
int64 access_hash;
UserId user_id;
};
struct FileSourceDraftMessage {
DialogId dialog_id;
MessageTopic topic;
};
struct FileSourceRichMessage {
MessageFullId message_full_id;
};
// append only
using FileSource =
Variant<FileSourceMessage, FileSourceUserPhoto, FileSourceChatPhoto, FileSourceChannelPhoto, FileSourceWallpapers,
FileSourceWebPage, FileSourceSavedAnimations, FileSourceRecentStickers, FileSourceFavoriteStickers,
FileSourceBackground, FileSourceChatFull, FileSourceChannelFull, FileSourceAppConfig,
FileSourceSavedRingtones, FileSourceUserFull, FileSourceAttachMenuBot, FileSourceWebApp, FileSourceStory,
FileSourceQuickReplyMessage, FileSourceStarTransaction, FileSourceBotMediaPreview,
FileSourceBotMediaPreviewInfo, FileSourceStoryAlbum, FileSourceUserSavedMusic, FileSourceDraftMessage,
FileSourceRichMessage>;
WaitFreeVector<FileSource> file_sources_;
int64 query_generation_{0};
WaitFreeHashMap<NodeId, unique_ptr<Node>, FileIdHash> nodes_;
Td *td_;
ActorShared<> parent_;
Node &add_node(NodeId node_id);
void run_node(NodeId node);
void send_query(Destination dest, FileSourceId file_source_id);
Destination on_query_result(Destination dest, FileSourceId file_source_id, Status status, int32 sub = 0);
template <class T>
FileSourceId add_file_source_id(T &source, Slice source_str);
FileSourceId get_current_file_source_id() const;
bool on_file_reference_error(const Status &status, size_t pos, FileId file_id, const string &file_reference,
std::function<void(size_t pos, FileId file_id)> &&on_error);
void tear_down() final;
};
} // namespace td
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