277 lines
11 KiB
Dart
277 lines
11 KiB
Dart
import 'dart:async';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_dotenv/flutter_dotenv.dart';
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import 'package:go_router/go_router.dart';
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import 'package:google_sign_in/google_sign_in.dart';
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import 'package:google_sign_in_web/web_only.dart' as web;
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import 'package:provider/provider.dart';
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import 'package:qpay/models/responsive_policy.dart';
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import 'package:qpay/screens/onboarding/onboarding_controller.dart';
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import 'package:skeletonizer/skeletonizer.dart';
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class RegisterScreen extends StatefulWidget {
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const RegisterScreen({super.key});
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@override
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State<RegisterScreen> createState() => _RegisterScreenState();
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}
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class _RegisterScreenState extends State<RegisterScreen> {
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late OnboardingController onboardingController;
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late GoogleSignIn googleSignIn;
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bool _loading = false;
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List<String> scopes = <String>[
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'https://www.googleapis.com/auth/contacts.readonly',
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];
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@override
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void initState() {
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super.initState();
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onboardingController = Provider.of<OnboardingController>(
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context,
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listen: false,
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);
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// onboardingController.resetState();
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googleSignIn = GoogleSignIn.instance;
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if(kIsWeb){
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googleSignIn.initialize();
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googleSignIn.authenticationEvents
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.listen(_handleAuthenticationEvent)
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.onError(_handleAuthenticationError);
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}else {
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unawaited(googleSignIn.initialize(serverClientId: dotenv.env['CLIENTID']));
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}
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}
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void signInWithGoogle() {
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if (GoogleSignIn.instance.supportsAuthenticate()){
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unawaited(GoogleSignIn.instance.authenticate().then((value) {
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googleSignIn.authenticationEvents
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.listen(_handleAuthenticationEvent)
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.onError(_handleAuthenticationError);
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}));
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}
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}
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Future<void> _handleAuthenticationEvent(GoogleSignInAuthenticationEvent event) async {
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// #docregion CheckAuthorization
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final GoogleSignInAccount? user = // ...
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// #enddocregion CheckAuthorization
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switch (event) {
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GoogleSignInAuthenticationEventSignIn() => event.user,
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GoogleSignInAuthenticationEventSignOut() => null,
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};
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// Check for existing authorization.
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// #docregion CheckAuthorization
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final GoogleSignInClientAuthorization? authorization = await user
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?.authorizationClient
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.authorizationForScopes(scopes);
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// #enddocregion CheckAuthorization
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print(user);
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onboardingController.updateGoogleUser(user as GoogleSignInAccount);
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}
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Future<void> _handleAuthenticationError(Object e) async {
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print(e.toString());
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}
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@override
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Widget build(BuildContext context) {
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return ListenableBuilder(
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listenable: onboardingController,
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builder: (context, child) {
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return Scaffold(
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body: SingleChildScrollView(
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child: Padding(
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padding: const EdgeInsets.all(25),
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child: Center(
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child: LayoutBuilder(
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builder: (context, constraints) {
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final maxWidth = constraints.maxWidth > ResponsivePolicy.md
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? ResponsivePolicy.md.toDouble()
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: constraints.maxWidth;
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return SizedBox(
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width: maxWidth,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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SizedBox(height: 75),
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Text(
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'Registration',
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style: TextStyle(
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fontSize: 30,
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fontWeight: FontWeight.bold,
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color: Theme.of(context).colorScheme.primary,
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),
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),
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SizedBox(height: 5),
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Text(
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"Let's start by getting some of your online details to get you started",
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style: TextStyle(fontSize: 18),
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textAlign: TextAlign.center,
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),
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Image.asset('assets/social.png', width: 300),
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SizedBox(height: 20),
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// Social Login Buttons
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if(onboardingController.model.googleUser == null)
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Column(
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children: [
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Row(
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children: [
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Expanded(child: Divider(color: Colors.grey.shade300)),
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Padding(
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padding: EdgeInsets.symmetric(horizontal: 16),
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child: Text(
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'Choose from the options below to continue',
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style: TextStyle(
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color: Colors.grey.shade600,
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fontSize: 14,
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),
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textAlign: TextAlign.center,
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),
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),
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Expanded(child: Divider(color: Colors.grey.shade300)),
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],
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),
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SizedBox(height: 20),
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if(GoogleSignIn.instance.supportsAuthenticate())
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_buildGoogleButton()
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else ...<Widget>[
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if (kIsWeb)
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web.renderButton()
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],
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],
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),
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if(onboardingController.model.googleUser != null)
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Column(
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children: [
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SizedBox(
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width: 100,
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child: Divider(
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color: Colors.grey.shade300,
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thickness: 1,
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),
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),
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SizedBox(height: 20,),
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Text(
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"Welcome, ${onboardingController.model.googleUser?.displayName}",
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style: TextStyle(fontSize: 25),
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textAlign: TextAlign.center,
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),
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SizedBox(height: 10,),
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Text("Tap Proceed to continue", style: TextStyle(fontSize: 18),)
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],
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),
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SizedBox(height: 50),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 25),
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child: Row(
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children: [
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Expanded(
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child: ElevatedButton(
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onPressed: () {
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if (onboardingController.model.googleUser == null) {
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showDialog(
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context: context,
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builder: (BuildContext dialogContext) {
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return AlertDialog(
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title: const Text('Sign-In Required'),
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content: const Text(
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"Please sign in with one of the social media platforms to proceed."),
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actions: <Widget>[
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TextButton(
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child: const Text('OK'),
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onPressed: () {
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Navigator.of(dialogContext).pop(); // Close the dialog
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},
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),
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],
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);
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},
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);
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} else {
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context.go('/onboarding/phone');
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}
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},
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child: Text('Proceed', style: TextStyle(fontSize: 16)),
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),
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),
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SizedBox(width: 16),
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Expanded(
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child: OutlinedButton(
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onPressed: () {
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context.go('/onboarding/login');
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},
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child: Text(
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'Go to Login',
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style: TextStyle(fontSize: 16),
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),
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),
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),
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],
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),
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),
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SizedBox(height: 10),
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TextButton(
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onPressed: () {
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context.go('/');
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},
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child: Text('Continue as guest?', style: TextStyle(fontSize: 14)),
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),
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],
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),
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);
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}
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),
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),
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),
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),
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);
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}
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);
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}
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Widget _buildGoogleButton(){
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return Skeletonizer(
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enabled: _loading,
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child: Row(
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children: [
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Expanded(
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child: OutlinedButton.icon(
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onPressed: () {
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signInWithGoogle();
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},
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icon: Image.asset(
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'assets/google.png',
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width: 20,
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height: 20,
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),
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label: Text('Google', style: TextStyle(fontSize: 16)),
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style: OutlinedButton.styleFrom(
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padding: EdgeInsets.symmetric(vertical: 16),
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side: BorderSide(color: Colors.grey.shade300),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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),
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),
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SizedBox(width: 16),
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],
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),
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);
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}
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}
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