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