TKK_E32232340/lib/blocs/authentication_bloc/authentication_bloc.dart

36 lines
967 B
Dart

import 'dart:async';
import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.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 this.userRepository
}) : super(const AuthenticationState.unknown()) {
_userSubscription = userRepository.user.listen((user) {
add(AuthenticationUserChanged(user));
});
on<AuthenticationUserChanged>((event, emit) {
if(event.user != MyUser.empty) {
emit(AuthenticationState.authenticated(event.user!));
} else {
emit(AuthenticationState.unauthenticated());
}
});
}
@override
Future<void> close() {
_userSubscription.cancel();
return super.close();
}
}