Files.hpp

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#pragma once
 
#include <spdlog/spdlog.h>
 
#include <fstream>
#include <tl/optional.hpp>
 
#include "Platform.hpp"
 
namespace dai {
 
tl::optional<std::string> saveFileToTemporaryDirectory(std::vector<uint8_t> data, std::string filename, std::string fpath = "") {
    if(fpath.empty()) {
        fpath = platform::getTempPath();
    }
    std::string path = std::string(fpath);
    if(path.back() != '/' && path.back() != '\\') {
        path += '/';
    }
    path += filename;
 
    std::ofstream file(path, std::ios::binary);
    if(!file.is_open()) {
        spdlog::error("Couldn't open file {} for writing", path);
        return tl::nullopt;
    }
 
    file.write(reinterpret_cast<char*>(data.data()), data.size());
    file.close();
    if(!file.good()) {
        spdlog::error("Couldn't write to file {}", path);
        return tl::nullopt;
    }
    spdlog::debug("Saved file {} to {}", filename, path);
    return std::string(path);
}
 
}  // namespace dai