47 lines
1.5 KiB
Dart
47 lines
1.5 KiB
Dart
import 'dart:async';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:equatable/equatable.dart';
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import 'package:meta/meta.dart';
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import 'package:user_repository/user_repository.dart';
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part 'authentication_event.dart';
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part 'authentication_state.dart';
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class AuthenticationBloc
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extends Bloc<AuthenticationEvent, AuthenticationState> {
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final UserRepository userRepository;
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late final StreamSubscription<MyUser?> _userSubscription;
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AuthenticationBloc({required UserRepository myUserRepository})
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: userRepository = myUserRepository,
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super(const AuthenticationState.unknown()) {
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_userSubscription = userRepository.streamUser().listen((authUser) {
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add(AuthenticationUserChanged(authUser));
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});
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on<AuthenticationUserChanged>(_onAuthenticationUserChanged);
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on<AuthenticationLogoutRequested>(_onAuthenticationLogoutRequested);
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}
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void _onAuthenticationUserChanged(
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AuthenticationUserChanged event, Emitter<AuthenticationState> emit) {
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emit(
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event.user != null
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? AuthenticationState.authenticated(event.user!)
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: const AuthenticationState.unauthenticated(),
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);
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}
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void _onAuthenticationLogoutRequested(AuthenticationLogoutRequested event,
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Emitter<AuthenticationState> emit) async {
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await userRepository.logOut();
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emit(const AuthenticationState.unauthenticated());
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}
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@override
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Future<void> close() {
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_userSubscription.cancel();
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return super.close();
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}
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}
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