y_auth 1.0.3

A Yesferal Auth package project.

example/lib/main.dart

/* Copyright © 2024 Yesferal Cueva. All rights reserved. */
import 'package:example/example_auth_environment.dart';
import 'package:flutter/material.dart';
import 'package:y_auth/domain/model/session_model.dart';
import 'package:y_auth/domain/model/token_model.dart';
import 'package:y_auth/framework/logger/y_log.dart';
import 'package:y_auth/y_auth.dart';

void main() {
  ExampleAuthEnvironment().init();

  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // TRY THIS: Try running your application with "flutter run". You'll see
        // the application has a purple toolbar. Then, without quitting the app,
        // try changing the seedColor in the colorScheme below to Colors.green
        // and then invoke "hot reload" (save your changes or press the "hot
        // reload" button in a Flutter-supported IDE, or press "r" if you used
        // the command line to start the app).
        //
        // Notice that the counter didn't reset back to zero; the application
        // state is not lost during the reload. To reset the state, use hot
        // restart instead.
        //
        // This works for code too, not just values: Most code changes can be
        // tested with just a hot reload.
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  SessionModel? _sessionModel = null;
  YAuthDi? yAuthDi;

  @override
  void initState() {
    yAuthDi = YAuthDi(ExampleAuthEnvironment());
    _syncSession();
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // TRY THIS: Try changing the color here to a specific color (to
        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
        // change color while the other colors stay the same.
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: Column(
          // Column is also a layout widget. It takes a list of children and
          // arranges them vertically. By default, it sizes itself to fit its
          // children horizontally, and tries to be as tall as its parent.
          //
          // Column has various properties to control how it sizes itself and
          // how it positions its children. Here we use mainAxisAlignment to
          // center the children vertically; the main axis here is the vertical
          // axis because Columns are vertical (the cross axis would be
          // horizontal).
          //
          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
          // action in the IDE, or press "p" in the console), to see the
          // wireframe for each widget.
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text("Email: ${_sessionModel?.email ?? "-"}"),
            Text("Display Name: ${_sessionModel?.displayName ?? "-"}"),
            ElevatedButton(
              onPressed: () {
                _navigateToLoginScreen();
              },
              child: const Text('Passwordless Screen'),
            ),
            ElevatedButton(
              onPressed: () {
                yAuthDi
                    ?.getAccessTokenUseCase()
                    .execute(_getAccessTokenSuccess, _getAccessTokenError);
              },
              child: const Text('Get current or new Access token'),
            ),
            ElevatedButton(
              onPressed: () {
                yAuthDi
                    ?.getAccessTokenUseCase()
                    .execute(_getAccessTokenSuccess, _getAccessTokenError, forceNewToken: true);
              },
              child: const Text('Get always a new Access token'),
            ),
            ElevatedButton(
              onPressed: () {
                YAuthDi(ExampleAuthEnvironment()).getSignOutUseCase().execute();
                _syncSession();
              },
              child: const Text('Sign Out'),
            ),
          ],
        ),
      ),
    );
  }

  _getAccessTokenSuccess(ApiResponseModel? apiResponseModel) {
    if (apiResponseModel != null) {
      YLog.d("Access Token: ${apiResponseModel.expressToken?.accessToken}");
      YLog.d("Refresh Token: ${apiResponseModel.expressToken?.refreshToken}");
    } else {
      YLog.d("Token is null");
      _navigateToLoginScreen();
    }
  }

  _getAccessTokenError(String message) {
    YLog.d("Error Message: ${message}");
    _navigateToLoginScreen();
  }

  _navigateToLoginScreen() {
    Navigator.push(
      context,
      MaterialPageRoute(
          builder: (context) => YAuthDi(ExampleAuthEnvironment())
              .getRequestAuthCodeScreen(
                  "#3F35A5", "Y-Auth-ExampleApp", "com.yesferal.auth.example")),
    ).then((_) {
      _syncSession();
    });
  }

  _syncSession() async {
    SessionModel? sessionModel = await yAuthDi
        ?.getCurrentSessionUseCase()
        .execute();

    setState(() {
      _sessionModel = sessionModel;
    });
  }
}