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import 'package:auto_gpt_flutter_client/services/auth_service.dart';
import 'package:auto_gpt_flutter_client/utils/rest_api_utility.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
/// [SettingsViewModel] is responsible for managing the state and logic
/// for the [SettingsView]. It extends [ChangeNotifier] to provide
/// reactive state management.
class SettingsViewModel extends ChangeNotifier {
bool _isDarkModeEnabled = false; // State for Dark Mode
bool _isDeveloperModeEnabled = false; // State for Developer Mode
String _baseURL = ''; // State for Base URL
int _continuousModeSteps = 1; // State for Continuous Mode Steps
final RestApiUtility _restApiUtility;
// Getters to access the private state variables
bool get isDarkModeEnabled => _isDarkModeEnabled;
bool get isDeveloperModeEnabled => _isDeveloperModeEnabled;
String get baseURL => _baseURL;
int get continuousModeSteps => _continuousModeSteps;
final AuthService _authService = AuthService();
SettingsViewModel(this._restApiUtility) {
_loadPreferences();
}
// Method to load stored preferences
Future<void> _loadPreferences() async {
final prefs = await SharedPreferences.getInstance();
_isDarkModeEnabled = prefs.getBool('isDarkModeEnabled') ?? false;
_isDeveloperModeEnabled = prefs.getBool('isDeveloperModeEnabled') ?? true;
_baseURL = prefs.getString('baseURL') ?? 'http://127.0.0.1:8000/ap/v1';
_restApiUtility.updateBaseURL(_baseURL);
_continuousModeSteps = prefs.getInt('continuousModeSteps') ?? 10;
notifyListeners();
}
/// Toggles the state of Dark Mode and notifies listeners.
void toggleDarkMode(bool value) {
_isDarkModeEnabled = value;
notifyListeners();
_saveBoolPreference('isDarkModeEnabled', value);
}
/// Toggles the state of Developer Mode and notifies listeners.
void toggleDeveloperMode(bool value) {
_isDeveloperModeEnabled = value;
notifyListeners();
_saveBoolPreference('isDeveloperModeEnabled', value);
}
/// Updates the state of Base URL, notifies listeners, and updates the RestApiUtility baseURL.
void updateBaseURL(String value) {
_baseURL = value;
notifyListeners();
_saveStringPreference('baseURL', value);
_restApiUtility.updateBaseURL(value);
}
/// Increments the number of Continuous Mode Steps and notifies listeners.
void incrementContinuousModeSteps() {
_continuousModeSteps += 1;
notifyListeners();
_saveIntPreference('continuousModeSteps', _continuousModeSteps);
}
/// Decrements the number of Continuous Mode Steps and notifies listeners.
void decrementContinuousModeSteps() {
if (_continuousModeSteps > 1) {
// Ensure that the number of steps is at least 1
_continuousModeSteps -= 1;
notifyListeners();
_saveIntPreference('continuousModeSteps', _continuousModeSteps);
}
}
// TODO: Create a service for interacting with shared preferences
// Helper methods to save preferences
Future<void> _saveBoolPreference(String key, bool value) async {
final prefs = await SharedPreferences.getInstance();
prefs.setBool(key, value);
}
Future<void> _saveStringPreference(String key, String value) async {
final prefs = await SharedPreferences.getInstance();
prefs.setString(key, value);
}
Future<void> _saveIntPreference(String key, int value) async {
final prefs = await SharedPreferences.getInstance();
prefs.setInt(key, value);
}
// Method to sign out
Future<void> signOut() async {
await _authService.signOut();
}
}
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