Momentum-Apps/flip_storage/storage.c

#include "flip_storage/storage.h"

void save_settings(
    const char *ssid,
    const char *password)
{
    // Create the directory for saving settings
    char directory_path[256];
    snprintf(directory_path, sizeof(directory_path), STORAGE_EXT_PATH_PREFIX "/apps_data/flip_world");

    // Create the directory
    Storage *storage = furi_record_open(RECORD_STORAGE);
    storage_common_mkdir(storage, directory_path);

    // Open the settings file
    File *file = storage_file_alloc(storage);
    if (!storage_file_open(file, SETTINGS_PATH, FSAM_WRITE, FSOM_CREATE_ALWAYS))
    {
        FURI_LOG_E(TAG, "Failed to open settings file for writing: %s", SETTINGS_PATH);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return;
    }

    // Save the ssid length and data
    size_t ssid_length = strlen(ssid) + 1; // Include null terminator
    if (storage_file_write(file, &ssid_length, sizeof(size_t)) != sizeof(size_t) ||
        storage_file_write(file, ssid, ssid_length) != ssid_length)
    {
        FURI_LOG_E(TAG, "Failed to write SSID");
    }

    // Save the password length and data
    size_t password_length = strlen(password) + 1; // Include null terminator
    if (storage_file_write(file, &password_length, sizeof(size_t)) != sizeof(size_t) ||
        storage_file_write(file, password, password_length) != password_length)
    {
        FURI_LOG_E(TAG, "Failed to write password");
    }

    storage_file_close(file);
    storage_file_free(file);
    furi_record_close(RECORD_STORAGE);
}

bool load_settings(
    char *ssid,
    size_t ssid_size,
    char *password,
    size_t password_size)
{
    Storage *storage = furi_record_open(RECORD_STORAGE);
    File *file = storage_file_alloc(storage);

    if (!storage_file_open(file, SETTINGS_PATH, FSAM_READ, FSOM_OPEN_EXISTING))
    {
        FURI_LOG_E(TAG, "Failed to open settings file for reading: %s", SETTINGS_PATH);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false; // Return false if the file does not exist
    }

    // Load the ssid
    size_t ssid_length;
    if (storage_file_read(file, &ssid_length, sizeof(size_t)) != sizeof(size_t) || ssid_length > ssid_size ||
        storage_file_read(file, ssid, ssid_length) != ssid_length)
    {
        FURI_LOG_E(TAG, "Failed to read SSID");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }
    ssid[ssid_length - 1] = '\0'; // Ensure null-termination

    // Load the password
    size_t password_length;
    if (storage_file_read(file, &password_length, sizeof(size_t)) != sizeof(size_t) || password_length > password_size ||
        storage_file_read(file, password, password_length) != password_length)
    {
        FURI_LOG_E(TAG, "Failed to read password");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }
    password[password_length - 1] = '\0'; // Ensure null-termination

    storage_file_close(file);
    storage_file_free(file);
    furi_record_close(RECORD_STORAGE);

    return true;
}

bool save_char(
    const char *path_name, const char *value)
{
    if (!value)
    {
        return false;
    }
    // Create the directory for saving settings
    char directory_path[256];
    snprintf(directory_path, sizeof(directory_path), STORAGE_EXT_PATH_PREFIX "/apps_data/flip_world");

    // Create the directory
    Storage *storage = furi_record_open(RECORD_STORAGE);
    storage_common_mkdir(storage, directory_path);

    // Open the settings file
    File *file = storage_file_alloc(storage);
    char file_path[256];
    snprintf(file_path, sizeof(file_path), STORAGE_EXT_PATH_PREFIX "/apps_data/flip_world/%s.txt", path_name);

    // Open the file in write mode
    if (!storage_file_open(file, file_path, FSAM_WRITE, FSOM_CREATE_ALWAYS))
    {
        FURI_LOG_E(HTTP_TAG, "Failed to open file for writing: %s", file_path);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }

    // Write the data to the file
    size_t data_size = strlen(value) + 1; // Include null terminator
    if (storage_file_write(file, value, data_size) != data_size)
    {
        FURI_LOG_E(HTTP_TAG, "Failed to append data to file");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }

    storage_file_close(file);
    storage_file_free(file);
    furi_record_close(RECORD_STORAGE);

    return true;
}

bool load_char(
    const char *path_name,
    char *value,
    size_t value_size)
{
    if (!value)
    {
        return false;
    }
    Storage *storage = furi_record_open(RECORD_STORAGE);
    File *file = storage_file_alloc(storage);

    char file_path[256];
    snprintf(file_path, sizeof(file_path), STORAGE_EXT_PATH_PREFIX "/apps_data/flip_world/%s.txt", path_name);

    // Open the file for reading
    if (!storage_file_open(file, file_path, FSAM_READ, FSOM_OPEN_EXISTING))
    {
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return NULL; // Return false if the file does not exist
    }

    // Read data into the buffer
    size_t read_count = storage_file_read(file, value, value_size);
    if (storage_file_get_error(file) != FSE_OK)
    {
        FURI_LOG_E(HTTP_TAG, "Error reading from file.");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return false;
    }

    // Ensure null-termination
    value[read_count - 1] = '\0';

    storage_file_close(file);
    storage_file_free(file);
    furi_record_close(RECORD_STORAGE);

    return true;
}