flipper-zero-tutorials/gpio/wiegand/scenes/wiegand_save.c

#include "../wiegand.h"

void wiegand_data_scene_save_name_text_input_callback(void *context)
{
    App *app = context;
    view_dispatcher_send_custom_event(app->view_dispatcher, WiegandDataSceneSaveFileEvent);
}

void ensure_dir_exists(Storage *storage)
{
    // If apps_data directory doesn't exist, create it.
    if (!storage_dir_exists(storage, WIEGAND_APPS_DATA_FOLDER))
    {
        FURI_LOG_I(TAG, "Creating directory: %s", WIEGAND_APPS_DATA_FOLDER);
        storage_simply_mkdir(storage, WIEGAND_APPS_DATA_FOLDER);
    }
    else
    {
        FURI_LOG_I(TAG, "Directory exists: %s", WIEGAND_APPS_DATA_FOLDER);
    }

    // If wiegand directory doesn't exist, create it.
    if (!storage_dir_exists(storage, WIEGAND_SAVE_FOLDER))
    {
        FURI_LOG_I(TAG, "Creating directory: %s", WIEGAND_SAVE_FOLDER);
        storage_simply_mkdir(storage, WIEGAND_SAVE_FOLDER);
    }
    else
    {
        FURI_LOG_I(TAG, "Directory exists: %s", WIEGAND_SAVE_FOLDER);
    }
}

void wiegand_save(void *context)
{
    App *app = context;
    FuriString *buffer = furi_string_alloc(1024);
    FuriString *file_path = furi_string_alloc();
    furi_string_printf(
        file_path, "%s/%s%s", WIEGAND_SAVE_FOLDER, app->file_name, WIEGAND_SAVE_EXTENSION);

    Storage *storage = furi_record_open(RECORD_STORAGE);
    ensure_dir_exists(storage);
    File *data_file = storage_file_alloc(storage);
    if (storage_file_open(
            data_file, furi_string_get_cstr(file_path), FSAM_WRITE, FSOM_OPEN_ALWAYS))
    {
        furi_string_printf(buffer, "Filetype: Flipper Wiegand Key File\n");
        storage_file_write(data_file, furi_string_get_cstr(buffer), furi_string_size(buffer));
        furi_string_printf(buffer, "Version: 1\n");
        storage_file_write(data_file, furi_string_get_cstr(buffer), furi_string_size(buffer));
        furi_string_printf(buffer, "Protocol: RAW\n");
        storage_file_write(data_file, furi_string_get_cstr(buffer), furi_string_size(buffer));
        furi_string_printf(buffer, "Bits: %d\n", bit_count);
        storage_file_write(data_file, furi_string_get_cstr(buffer), furi_string_size(buffer));
        furi_string_printf(buffer, "RAW_Data: ");
        for (int i = 0; i < bit_count; i++)
        {
            furi_string_cat_printf(
                buffer,
                "D%d %ld %ld ",
                data[i] ? 1 : 0,
                data_fall[i] - data_fall[0],
                data_rise[i] - data_fall[0]);
        }

        furi_string_push_back(buffer, '\n');
        storage_file_write(data_file, furi_string_get_cstr(buffer), furi_string_size(buffer));

        furi_string_printf(buffer, "PACS_Binary: ");
        for (int i = 0; i < bit_count; i++)
        {
            furi_string_cat_printf(buffer, "%d", data[i] ? 1 : 0);
        }

        furi_string_push_back(buffer, '\n');
        storage_file_write(data_file, furi_string_get_cstr(buffer), furi_string_size(buffer));

        furi_string_printf(buffer, "PM3_Command: hf ic encode --bin ");

        for (int i = 0; i < bit_count; i++)
        {
            furi_string_cat_printf(buffer, "%d", data[i] ? 1 : 0);
        }

        furi_string_cat_printf(buffer, " --ki 0\n");
        storage_file_write(data_file, furi_string_get_cstr(buffer), furi_string_size(buffer));
        storage_file_close(data_file);
    }

    storage_file_free(data_file);
    furi_record_close(RECORD_STORAGE);
    furi_string_free(file_path);
    furi_string_free(buffer);
}

void wiegand_save_scene_on_enter(void *context)
{
    App *app = context;
    text_input_reset(app->text_input);

    FuriHalRtcDateTime datetime;
    furi_hal_rtc_get_datetime(&datetime);
    snprintf(
        app->file_name,
        25,
        "%02d%02d%02d_%02d%02d%02d",
        datetime.year,
        datetime.month,
        datetime.day,
        datetime.hour,
        datetime.minute,
        datetime.second);
    //    set_random_name(app->file_name, WIEGAND_KEY_NAME_SIZE);

    text_input_set_header_text(app->text_input, "Name the key");
    text_input_set_result_callback(
        app->text_input,
        wiegand_data_scene_save_name_text_input_callback,
        app,
        app->file_name,
        WIEGAND_KEY_NAME_SIZE,
        true);

    view_dispatcher_switch_to_view(app->view_dispatcher, WiegandTextInputView);
}

bool wiegand_save_scene_on_event(void *context, SceneManagerEvent event)
{
    App *app = context;
    bool consumed = false;
    switch (event.type)
    {
    case SceneManagerEventTypeCustom:
        switch (event.event)
        {
        case WiegandDataSceneSaveFileEvent:
            wiegand_save(app);
            data_saved = true;
            scene_manager_search_and_switch_to_previous_scene(
                app->scene_manager, WiegandDataScene);
            consumed = true;
            break;
        default:
            consumed = false;
            break;
        }
        break;
    default:
        break;
    }
    return consumed;
}