PowerToys/src/common/settings_helpers.cpp

#include "pch.h"
#include "settings_helpers.h"
#include <filesystem>
#include <fstream>

namespace PTSettingsHelper
{
    constexpr inline const wchar_t* settings_filename = L"\\settings.json";

    std::wstring get_root_save_folder_location()
    {
        PWSTR local_app_path;
        winrt::check_hresult(SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, NULL, &local_app_path));
        std::wstring result{ local_app_path };
        CoTaskMemFree(local_app_path);

        result += L"\\Microsoft\\PowerToys";
        std::filesystem::path save_path(result);
        if (!std::filesystem::exists(save_path))
        {
            std::filesystem::create_directories(save_path);
        }
        return result;
    }

    std::wstring get_module_save_folder_location(std::wstring_view powertoy_name)
    {
        std::wstring result = get_root_save_folder_location();
        result += L"\\";
        result += powertoy_name;
        std::filesystem::path save_path(result);
        if (!std::filesystem::exists(save_path))
        {
            std::filesystem::create_directories(save_path);
        }
        return result;
    }

    std::wstring get_module_save_file_location(std::wstring_view powertoy_name)
    {
        return get_module_save_folder_location(powertoy_name) + settings_filename;
    }

    std::wstring get_powertoys_general_save_file_location()
    {
        return get_root_save_folder_location() + settings_filename;
    }

    void save_module_settings(std::wstring_view powertoy_name, json::JsonObject& settings)
    {
        const std::wstring save_file_location = get_module_save_file_location(powertoy_name);
        json::to_file(save_file_location, settings);
    }

    json::JsonObject load_module_settings(std::wstring_view powertoy_name)
    {
        const std::wstring save_file_location = get_module_save_file_location(powertoy_name);
        auto saved_settings = json::from_file(save_file_location);
        return saved_settings.has_value() ? std::move(*saved_settings) : json::JsonObject{};
    }

    void save_general_settings(const json::JsonObject& settings)
    {
        const std::wstring save_file_location = get_powertoys_general_save_file_location();
        json::to_file(save_file_location, settings);
    }

    json::JsonObject load_general_settings()
    {
        const std::wstring save_file_location = get_powertoys_general_save_file_location();
        auto saved_settings = json::from_file(save_file_location);
        return saved_settings.has_value() ? std::move(*saved_settings) : json::JsonObject{};
    }
}