125 lines
3.7 KiB
Dart
125 lines
3.7 KiB
Dart
import 'package:dio/dio.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:google_sign_in/google_sign_in.dart';
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import '../../../core/config/app_config.dart';
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import '../../../core/models/user_model.dart';
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import '../../../core/network/providers.dart';
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import '../../../core/storage/secure_store.dart';
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// ─── State ────────────────────────────────────────────────────────────────────
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abstract class AuthState {}
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class AuthInitial extends AuthState {}
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class AuthLoading extends AuthState {}
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class AuthAuthenticated extends AuthState {
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AuthAuthenticated(this.user);
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final UserModel user;
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}
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class AuthUnauthenticated extends AuthState {}
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class AuthError extends AuthState {
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AuthError(this.message);
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final String message;
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}
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// ─── Notifier ─────────────────────────────────────────────────────────────────
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class AuthNotifier extends StateNotifier<AuthState> {
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AuthNotifier(this._ref) : super(AuthInitial()) {
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_restore();
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}
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final Ref _ref;
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SecureStore get _store => _ref.read(secureStoreProvider);
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final GoogleSignIn _googleSignIn = GoogleSignIn(
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clientId: AppConfig.googleClientId.isNotEmpty ? AppConfig.googleClientId : null,
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scopes: ['email', 'profile'],
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);
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Future<void> _restore() async {
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final token = await _store.getAccessToken();
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if (token != null && token.isNotEmpty) {
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await _fetchProfile();
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} else {
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state = AuthUnauthenticated();
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}
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}
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Future<void> _fetchProfile() async {
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try {
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final dio = _ref.read(apiClientProvider).dio;
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final res = await dio.get('/api/user/profile');
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state = AuthAuthenticated(UserModel.fromJson(res.data as Map<String, dynamic>));
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} catch (_) {
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await _store.clear();
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state = AuthUnauthenticated();
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}
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}
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Future<void> signInWithGoogle() async {
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try {
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state = AuthLoading();
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final account = await _googleSignIn.signIn();
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if (account == null) {
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state = AuthUnauthenticated();
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return;
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}
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final auth = await account.authentication;
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final idToken = auth.idToken;
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if (idToken == null) {
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state = AuthError('Could not get ID token from Google');
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return;
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}
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final dio = _ref.read(apiClientProvider).dio;
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final res = await dio.post(
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'/api/auth/mobile-login',
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data: {'googleIdToken': idToken},
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);
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final data = res.data as Map<String, dynamic>;
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await _store.setAccessToken(data['accessToken'] as String);
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if (data['refreshToken'] != null) {
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await _store.setRefreshToken(data['refreshToken'] as String);
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}
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state = AuthAuthenticated(
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UserModel.fromJson(data['user'] as Map<String, dynamic>),
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);
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} on DioException catch (e) {
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final msg = (e.response?.data as Map?)?['error'] ?? e.message ?? 'Login failed';
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state = AuthError(msg.toString());
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} catch (e) {
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state = AuthError(e.toString());
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}
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}
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Future<void> signOut() async {
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await _googleSignIn.signOut();
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await _store.clear();
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state = AuthUnauthenticated();
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}
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}
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final authProvider = StateNotifierProvider<AuthNotifier, AuthState>((ref) {
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return AuthNotifier(ref);
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});
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// Conveniences
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final currentUserProvider = Provider<UserModel?>((ref) {
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final s = ref.watch(authProvider);
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return s is AuthAuthenticated ? s.user : null;
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});
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final isAuthenticatedProvider = Provider<bool>((ref) {
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return ref.watch(authProvider) is AuthAuthenticated;
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});
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