DocumentAPI.h

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#pragma once
#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>
#include <set>
#include <bsoncxx/types/value.hpp>
#include "bsoncxx/builder/basic/document.hpp"
#include "bsoncxx/stdx/string_view.hpp"
#include <string>
 
using bsoncxx::types::value;
using Document = bsoncxx::builder::basic::document;
 
namespace DataStorageAPI
{
    class DocumentAPI
    {
    public:
        __declspec(dllexport) value InsertDocumentUsingGridFs(std::istream* source, std::string fileName);
        __declspec(dllexport) void GetDocumentUsingGridFs(value id, std::ostream* destination);
        __declspec(dllexport) value InsertDocumentUsingGridFs(bsoncxx::document::view docView, std::string fileName);
        __declspec(dllexport) void GetDocumentUsingGridFs(value id, uint8_t *&buffer, size_t &length);
        __declspec(dllexport) value InsertDocumentUsingGridFs(bsoncxx::document::view docView, std::string fileName, Document &metaDoc);
        __declspec(dllexport) void GetDocumentUsingGridFs(value id, uint8_t *&buffer, size_t &length, std::string fileName);
 
        /*
        __declspec(dllexport) value InsertDocumentToFileStorage(std::ifstream* source, std::string fileName);
        __declspec(dllexport) void GetDocumentFromFileStorage(value id, std::ifstream* destination);
        __declspec(dllexport) std::string GetDocumentPathFromFileStorage(value id);
 
        __declspec(dllexport) value InsertDocumentToDatabase(std::string fileName, std::string content);
        __declspec(dllexport) std::string GetDocumentFromDatabase(value id);
 
        __declspec(dllexport) value InsertDocumentPathToDatabase(std::string filePath, std::string fileName);
        __declspec(dllexport) std::string GetDocumentPathFromDatabase(value id);*/
    private:
        __declspec(dllexport) std::vector<std::string_view> insertElementsToMetadata(bsoncxx::document::view docView, Document &metaDoc);
        __declspec(dllexport) size_t getSizeOfElement(bsoncxx::document::element element);
    };
};