85 lines
2.6 KiB
Dart
85 lines
2.6 KiB
Dart
import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:firebase_auth/firebase_auth.dart';
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import 'package:google_sign_in/google_sign_in.dart';
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import '../models/user_model.dart';
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class AuthNotifier extends StateNotifier<AsyncValue<UserModel?>> {
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final FirebaseAuth _auth;
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final GoogleSignIn _googleSignIn;
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AuthNotifier(this._auth, this._googleSignIn) : super(const AsyncValue.data(null)) {
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// Слушаем изменения состояния аутентификации
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_auth.authStateChanges().listen((user) {
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if (user != null) {
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state = AsyncValue.data(UserModel(
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id: user.uid,
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email: user.email ?? '',
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displayName: user.displayName,
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photoUrl: user.photoURL,
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createdAt: DateTime.now(),
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updatedAt: DateTime.now(),
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));
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} else {
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state = const AsyncValue.data(null);
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}
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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 = const AsyncValue.loading();
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final googleUser = await _googleSignIn.signIn();
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if (googleUser == null) {
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state = const AsyncValue.data(null);
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return;
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}
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final googleAuth = await googleUser.authentication;
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final credential = GoogleAuthProvider.credential(
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accessToken: googleAuth.accessToken,
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idToken: googleAuth.idToken,
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);
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final userCredential = await _auth.signInWithCredential(credential);
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// Здесь можно создать/обновить пользователя в Firestore
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state = AsyncValue.data(UserModel(
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id: userCredential.user!.uid,
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email: userCredential.user!.email ?? '',
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displayName: userCredential.user!.displayName,
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photoUrl: userCredential.user!.photoURL,
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createdAt: DateTime.now(),
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updatedAt: DateTime.now(),
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));
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} catch (e, st) {
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state = AsyncValue.error(e, st);
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}
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}
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Future<void> signOut() async {
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try {
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await _googleSignIn.signOut();
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await _auth.signOut();
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state = const AsyncValue.data(null);
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} catch (e, st) {
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state = AsyncValue.error(e, st);
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}
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}
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User? get currentUser => _auth.currentUser;
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bool get isLoggedIn => _auth.currentUser != null;
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}
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final authProvider = StateNotifierProvider<AuthNotifier, AsyncValue<UserModel?>>((ref) {
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return AuthNotifier(FirebaseAuth.instance, GoogleSignIn());
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});
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final authStateProvider = Provider<AuthNotifier>((ref) {
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return ref.read(authProvider.notifier);
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});
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final isAuthenticatedProvider = Provider<bool>((ref) {
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return ref.watch(authProvider).value != null;
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});
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