95 lines
2.7 KiB
Dart
95 lines
2.7 KiB
Dart
import 'dart:async';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'auth_service.dart';
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import 'auth_state.dart';
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import 'auth_user.dart';
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/// Provider for the underlying AuthService instance.
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/// Can be overridden in tests with a mock or fake AuthService.
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final authServiceProvider = Provider<AuthService>((ref) {
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final service = FirebaseAuthService();
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ref.onDispose(() => service.dispose());
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return service;
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});
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/// Reactive StateNotifier managing the authentication state for the UI
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class AuthNotifier extends StateNotifier<AuthState> {
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final AuthService _authService;
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StreamSubscription<AuthState>? _subscription;
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AuthNotifier(this._authService) : super(_authService.currentState) {
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_subscription = _authService.authStateChanges.listen((state) {
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this.state = state;
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});
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}
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Future<void> signInWithEmailAndPassword(String email, String password) async {
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await _authService.signInWithEmailAndPassword(email, password);
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state = _authService.currentState;
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}
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Future<void> createUserWithEmailAndPassword(
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String email,
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String password, {
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String? displayName,
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}) async {
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await _authService.createUserWithEmailAndPassword(
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email,
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password,
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displayName: displayName,
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);
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state = _authService.currentState;
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}
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Future<void> signInWithGoogle() async {
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await _authService.signInWithGoogle();
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state = _authService.currentState;
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}
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Future<void> signInAnonymously() async {
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await _authService.signInAnonymously();
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state = _authService.currentState;
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}
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Future<void> sendPasswordResetEmail(String email) async {
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await _authService.sendPasswordResetEmail(email);
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state = _authService.currentState;
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}
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Future<void> signOut() async {
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await _authService.signOut();
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state = _authService.currentState;
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}
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void clearError() {
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state = state.copyWith(clearError: true);
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}
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@override
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void dispose() {
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_subscription?.cancel();
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super.dispose();
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}
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}
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/// Primary Riverpod provider for UI reactivity on authentication
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final authNotifierProvider = StateNotifierProvider<AuthNotifier, AuthState>((ref) {
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final service = ref.watch(authServiceProvider);
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return AuthNotifier(service);
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});
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/// Convenience provider returning the active AuthUser or null
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final currentUserProvider = Provider<AuthUser?>((ref) {
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return ref.watch(authNotifierProvider).user;
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});
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/// Convenience provider returning whether a non-anonymous user is signed in
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final isAuthenticatedProvider = Provider<bool>((ref) {
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return ref.watch(authNotifierProvider).isAuthenticated;
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});
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/// Convenience provider returning whether the user is in anonymous/local mode
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final isAnonymousUserProvider = Provider<bool>((ref) {
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return ref.watch(authNotifierProvider).isAnonymous;
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});
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