tdlight/td/telegram/DocumentsManager.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/Document.h"
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#include "td/telegram/EncryptedFile.h"
#include "td/telegram/files/FileId.h"
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#include "td/telegram/PhotoFormat.h"
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#include "td/telegram/PhotoSize.h"
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#include "td/telegram/secret_api.h"
#include "td/telegram/SecretInputMedia.h"
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#include "td/telegram/td_api.h"
#include "td/telegram/telegram_api.h"
#include "td/utils/buffer.h"
#include "td/utils/common.h"
#include "td/utils/WaitFreeHashMap.h"
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#include <utility>
namespace td {
class MultiPromiseActor;
class Td;
class DocumentsManager {
public:
explicit DocumentsManager(Td *td);
DocumentsManager(const DocumentsManager &) = delete;
DocumentsManager &operator=(const DocumentsManager &) = delete;
DocumentsManager(DocumentsManager &&) = delete;
DocumentsManager &operator=(DocumentsManager &&) = delete;
~DocumentsManager();
class RemoteDocument {
public:
tl_object_ptr<telegram_api::document> document;
// or
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unique_ptr<EncryptedFile> secret_file;
tl_object_ptr<secret_api::decryptedMessageMediaDocument> secret_document;
// or
tl_object_ptr<telegram_api::WebDocument> web_document;
PhotoSize thumbnail;
vector<tl_object_ptr<telegram_api::DocumentAttribute>> attributes;
RemoteDocument(tl_object_ptr<telegram_api::document> &&server_document)
: document(std::move(server_document))
, secret_file(nullptr)
, secret_document(nullptr)
, web_document(nullptr)
, thumbnail()
, attributes(std::move(document->attributes_)) {
}
RemoteDocument(tl_object_ptr<telegram_api::WebDocument> &&web_document, PhotoSize thumbnail,
vector<tl_object_ptr<telegram_api::DocumentAttribute>> &&attributes)
: document(nullptr)
, secret_file(nullptr)
, secret_document(nullptr)
, web_document(std::move(web_document))
, thumbnail(std::move(thumbnail))
, attributes(std::move(attributes)) {
}
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RemoteDocument(unique_ptr<EncryptedFile> &&secret_file,
tl_object_ptr<secret_api::decryptedMessageMediaDocument> &&secret_document,
vector<tl_object_ptr<telegram_api::DocumentAttribute>> &&attributes)
: document(nullptr)
, secret_file(std::move(secret_file))
, secret_document(std::move(secret_document))
, web_document(nullptr)
, thumbnail()
, attributes(std::move(attributes)) {
}
};
tl_object_ptr<td_api::document> get_document_object(FileId file_id, PhotoFormat thumbnail_format) const;
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enum class Subtype : int32 { Background, Pattern, Ringtone, Story, Other };
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Document on_get_document(RemoteDocument remote_document, DialogId owner_dialog_id,
MultiPromiseActor *load_data_multipromise_ptr = nullptr,
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Document::Type default_document_type = Document::Type::General,
Subtype document_subtype = Subtype::Other);
void create_document(FileId file_id, string minithumbnail, PhotoSize thumbnail, string file_name, string mime_type,
bool replace);
bool has_input_media(FileId file_id, FileId thumbnail_file_id, bool is_secret) const;
SecretInputMedia get_secret_input_media(FileId document_file_id,
tl_object_ptr<telegram_api::InputEncryptedFile> input_file,
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const string &caption, BufferSlice thumbnail, int32 layer) const;
tl_object_ptr<telegram_api::InputMedia> get_input_media(FileId file_id,
tl_object_ptr<telegram_api::InputFile> input_file,
tl_object_ptr<telegram_api::InputFile> input_thumbnail) const;
FileId get_document_thumbnail_file_id(FileId file_id) const;
void delete_document_thumbnail(FileId file_id);
FileId dup_document(FileId new_id, FileId old_id);
void merge_documents(FileId new_id, FileId old_id);
template <class StorerT>
void store_document(FileId file_id, StorerT &storer) const;
template <class ParserT>
FileId parse_document(ParserT &parser);
string get_document_search_text(FileId file_id) const;
private:
class GeneralDocument {
public:
string file_name;
string mime_type;
string minithumbnail;
PhotoSize thumbnail;
FileId file_id;
};
const GeneralDocument *get_document(FileId file_id) const;
FileId on_get_document(unique_ptr<GeneralDocument> new_document, bool replace);
Td *td_;
WaitFreeHashMap<FileId, unique_ptr<GeneralDocument>, FileIdHash> documents_; // file_id -> GeneralDocument
};
} // namespace td