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;
}

bool save_world(
    const char *name,
    const char *world_data)
{
    // Create the directory for saving settings
    char directory_path[256];
    snprintf(directory_path, sizeof(directory_path), STORAGE_EXT_PATH_PREFIX "/apps_data/flip_world/worlds");

    // 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/worlds/%s.json", 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(world_data) + 1; // Include null terminator
    if (storage_file_write(file, world_data, 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_world(
    const char *name,
    char *json_data,
    size_t json_data_size)
{
    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/worlds/%s.json", 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, json_data, json_data_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
    json_data[read_count - 1] = '\0';

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

    return true;
}

FuriString *load_furi_world(
    const char *name)
{
    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/worlds/%s.json", 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
    }

    // Allocate a FuriString to hold the received data
    FuriString *str_result = furi_string_alloc();
    if (!str_result)
    {
        FURI_LOG_E(HTTP_TAG, "Failed to allocate FuriString");
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return NULL;
    }
    // Reset the FuriString to ensure it's empty before reading
    furi_string_reset(str_result);

    // Define a buffer to hold the read data
    uint8_t *buffer = (uint8_t *)malloc(MAX_FILE_SHOW);
    if (!buffer)
    {
        FURI_LOG_E(HTTP_TAG, "Failed to allocate buffer");
        furi_string_free(str_result);
        storage_file_close(file);
        storage_file_free(file);
        furi_record_close(RECORD_STORAGE);
        return NULL;
    }

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

    // Append each byte to the FuriString
    for (size_t i = 0; i < read_count; i++)
    {
        furi_string_push_back(str_result, buffer[i]);
    }

    // Check if there is more data beyond the maximum size
    char extra_byte;
    storage_file_read(file, &extra_byte, 1);

    // Clean up
    storage_file_close(file);
    storage_file_free(file);
    furi_record_close(RECORD_STORAGE);
    free(buffer);
    return str_result;
}

bool world_exists(const char *name)
{
    if (!name)
    {
        FURI_LOG_E(TAG, "Invalid name");
        return false;
    }
    Storage *storage = furi_record_open(RECORD_STORAGE);
    if (!storage)
    {
        FURI_LOG_E(TAG, "Failed to open storage");
        return false;
    }
    char file_path[256];
    snprintf(file_path, sizeof(file_path), STORAGE_EXT_PATH_PREFIX "/apps_data/flip_world/worlds/%s.json", name);
    bool does_exist = storage_file_exists(storage, file_path);

    // Clean up
    furi_record_close(RECORD_STORAGE);
    return does_exist;
}