rsflutterapp

LoginBloc.dart (1125B)

---

 import 'dart:async';
 
 import 'package:bloc/bloc.dart';
 import 'package:meta/meta.dart';
 
 import '../events/LoginEvent.dart';
 import '../events/AuthenticationEvent.dart';
 import '../repos/UserRepository.dart';
 import '../states/LoginState.dart';
 import 'AuthenticationBloc.dart';
 
 class LoginBloc extends Bloc<LoginEvent, LoginState> {
   final UserRepository userRepository;
   final AuthenticationBloc authenticationBloc;
 
   LoginBloc({
     @required this.userRepository,
     @required this.authenticationBloc,
   })  : assert(userRepository != null),
         assert(authenticationBloc != null);
 
   LoginState get initialState => LoginInitial();
 
   @override
   Stream<LoginState> mapEventToState(LoginEvent event) async* {
     if (event is LoginButtonPressed) {
       yield LoginLoading();
 
       try {
         final token = await userRepository.authenticate(
           username: event.username,
           password: event.password,
         );
 
         authenticationBloc.add(LoggedIn(token: token));
         yield LoginInitial();
       } catch (error) {
         yield LoginFailure(error: error.toString());
       }
     }
   }
 }