Function download_multiple_files

src/pull/download_model.cpp:252–296

\brief Download multiple files with progress tracking \param downloads the downloads \param progress_cb the progress callback \return true if the files are downloaded, false otherwise

/// \param progress_cb the progress callback
/// \return true if the files are downloaded, false otherwise
bool download_multiple_files(const nlohmann::json downloads,
                           std::function<void(size_t, size_t)> progress_cb) {
    size_t total_files = downloads.size();
    size_t completed_files = 0;

    // Hide cursor before starting downloads
    //hide_cursor();

    for (auto& file : downloads) {
        std::string url = file["url"];
        std::string local_path = file["localpath"];
        std::string filename = std::filesystem::path(url).filename().string();
        std::string remote_oid = file["oid"];
        bool is_lfs = file["is_lfs"];

        // cut "?download=true"
        if (filename.find("?download=true") != std::string::npos) {
            filename = filename.substr(0, filename.find("?download=true"));
        }
        header_print("FLM", "Downloading " << (completed_files + 1) << "/" << total_files 
                  << ": " << filename);

        auto file_progress = [&](double percentage) {
            if (progress_cb) {
                progress_cb(completed_files, total_files);
            }
        };

        if (!download_with_retry(url, local_path, is_lfs, remote_oid, file_progress)) {
            std::cerr << "Failed to download: " << url << std::endl;
            //show_cursor(); // Show cursor on error
            return false;
        }

        completed_files++;
        if (progress_cb) {
            progress_cb(completed_files, total_files);
        }
    }

    // Show cursor after all downloads complete
    show_cursor();
    header_print("FLM", "All downloads completed successfully!");
    return true;
}

/// \brief Initialize CURL library (call this once at program startup)
/// \return true if the CURL library is initialized, false otherwise