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Compass app (#2446)
This commit is contained in:
Eric Windmill
GitHub
@@ -0,0 +1,34 @@
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// Copyright 2024 The Flutter team. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:logging/logging.dart';
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import '../../../../data/repositories/auth/auth_repository.dart';
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import '../../../../utils/command.dart';
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import '../../../../utils/result.dart';
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class LoginViewModel {
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LoginViewModel({
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required AuthRepository authRepository,
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}) : _authRepository = authRepository {
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login = Command1<void, (String email, String password)>(_login);
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}
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final AuthRepository _authRepository;
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final _log = Logger('LoginViewModel');
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late Command1 login;
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Future<Result<void>> _login((String, String) credentials) async {
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final (email, password) = credentials;
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final result = await _authRepository.login(
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email: email,
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password: password,
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);
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if (result is Error<void>) {
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_log.warning('Login failed! ${result.error}');
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}
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return result;
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}
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}
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113
compass_app/app/lib/ui/auth/login/widgets/login_screen.dart
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113
compass_app/app/lib/ui/auth/login/widgets/login_screen.dart
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@@ -0,0 +1,113 @@
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// Copyright 2024 The Flutter team. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import '../../../../routing/routes.dart';
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import '../../../core/localization/applocalization.dart';
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import '../../../core/themes/dimens.dart';
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import '../view_models/login_viewmodel.dart';
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import 'tilted_cards.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({
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super.key,
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required this.viewModel,
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});
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final LoginViewModel viewModel;
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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final TextEditingController _email =
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TextEditingController(text: 'email@example.com');
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final TextEditingController _password =
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TextEditingController(text: 'password');
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@override
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void initState() {
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super.initState();
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widget.viewModel.login.addListener(_onResult);
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}
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@override
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void didUpdateWidget(covariant LoginScreen oldWidget) {
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super.didUpdateWidget(oldWidget);
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oldWidget.viewModel.login.removeListener(_onResult);
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widget.viewModel.login.addListener(_onResult);
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}
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@override
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void dispose() {
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widget.viewModel.login.removeListener(_onResult);
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: [
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const TiltedCards(),
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Padding(
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padding: Dimens.of(context).edgeInsetsScreenSymmetric,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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TextField(
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controller: _email,
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),
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const SizedBox(height: Dimens.paddingVertical),
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TextField(
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controller: _password,
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obscureText: true,
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),
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const SizedBox(height: Dimens.paddingVertical),
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ListenableBuilder(
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listenable: widget.viewModel.login,
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builder: (context, _) {
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return FilledButton(
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onPressed: () {
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widget.viewModel.login
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.execute((_email.value.text, _password.value.text));
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},
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child: Text(AppLocalization.of(context).login),
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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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void _onResult() {
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if (widget.viewModel.login.completed) {
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widget.viewModel.login.clearResult();
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context.go(Routes.home);
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}
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if (widget.viewModel.login.error) {
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widget.viewModel.login.clearResult();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(AppLocalization.of(context).errorWhileLogin),
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action: SnackBarAction(
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label: AppLocalization.of(context).tryAgain,
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onPressed: () => widget.viewModel.login
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.execute((_email.value.text, _password.value.text)),
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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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97
compass_app/app/lib/ui/auth/login/widgets/tilted_cards.dart
Normal file
97
compass_app/app/lib/ui/auth/login/widgets/tilted_cards.dart
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@@ -0,0 +1,97 @@
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// Copyright 2024 The Flutter team. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_svg/svg.dart';
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import '../../../../utils/image_error_listener.dart';
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class TiltedCards extends StatelessWidget {
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const TiltedCards({super.key});
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@override
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Widget build(BuildContext context) {
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return ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 300),
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child: const AspectRatio(
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aspectRatio: 1,
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child: Stack(
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alignment: Alignment.center,
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children: [
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Positioned(
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left: 0,
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child: _Card(
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imageUrl: 'https://rstr.in/google/tripedia/g2i0BsYPKW-',
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width: 200,
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height: 273,
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tilt: -3.83 / 360,
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),
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),
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Positioned(
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right: 0,
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child: _Card(
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imageUrl: 'https://rstr.in/google/tripedia/980sqNgaDRK',
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width: 180,
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height: 230,
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tilt: 3.46 / 360,
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),
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),
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_Card(
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imageUrl: 'https://rstr.in/google/tripedia/pHfPmf3o5NU',
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width: 225,
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height: 322,
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tilt: 0,
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showTitle: true,
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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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class _Card extends StatelessWidget {
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const _Card({
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required this.imageUrl,
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required this.width,
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required this.height,
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required this.tilt,
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this.showTitle = false,
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});
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final double tilt;
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final double width;
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final double height;
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final String imageUrl;
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final bool showTitle;
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@override
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Widget build(BuildContext context) {
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return RotationTransition(
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turns: AlwaysStoppedAnimation(tilt),
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child: SizedBox(
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width: width,
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height: height,
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child: ClipRRect(
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borderRadius: BorderRadius.circular(20),
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child: Stack(
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fit: StackFit.expand,
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alignment: Alignment.center,
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children: [
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CachedNetworkImage(
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imageUrl: imageUrl,
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fit: BoxFit.cover,
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color: showTitle ? Colors.black.withOpacity(0.5) : null,
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colorBlendMode: showTitle ? BlendMode.darken : null,
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errorListener: imageErrorListener,
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),
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if (showTitle) Center(child: SvgPicture.asset('assets/logo.svg')),
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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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@@ -0,0 +1,34 @@
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// Copyright 2024 The Flutter team. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import '../../../../data/repositories/auth/auth_repository.dart';
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import '../../../../data/repositories/itinerary_config/itinerary_config_repository.dart';
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import '../../../../domain/models/itinerary_config/itinerary_config.dart';
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import '../../../../utils/command.dart';
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import '../../../../utils/result.dart';
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class LogoutViewModel {
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LogoutViewModel({
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required AuthRepository authRepository,
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required ItineraryConfigRepository itineraryConfigRepository,
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}) : _authLogoutRepository = authRepository,
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_itineraryConfigRepository = itineraryConfigRepository {
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logout = Command0(_logout);
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}
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final AuthRepository _authLogoutRepository;
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final ItineraryConfigRepository _itineraryConfigRepository;
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late Command0 logout;
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Future<Result> _logout() async {
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var result = await _authLogoutRepository.logout();
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switch (result) {
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case Ok<void>():
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// clear stored itinerary config
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return _itineraryConfigRepository
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.setItineraryConfig(const ItineraryConfig());
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case Error<void>():
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return result;
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}
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}
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}
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@@ -0,0 +1,88 @@
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// Copyright 2024 The Flutter team. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import '../../../core/localization/applocalization.dart';
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import '../../../core/themes/colors.dart';
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import '../view_models/logout_viewmodel.dart';
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class LogoutButton extends StatefulWidget {
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const LogoutButton({
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super.key,
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required this.viewModel,
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});
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final LogoutViewModel viewModel;
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@override
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State<LogoutButton> createState() => _LogoutButtonState();
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}
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class _LogoutButtonState extends State<LogoutButton> {
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@override
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void initState() {
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super.initState();
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widget.viewModel.logout.addListener(_onResult);
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}
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@override
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void didUpdateWidget(covariant LogoutButton oldWidget) {
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super.didUpdateWidget(oldWidget);
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oldWidget.viewModel.logout.removeListener(_onResult);
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widget.viewModel.logout.addListener(_onResult);
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}
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@override
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void dispose() {
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widget.viewModel.logout.removeListener(_onResult);
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return SizedBox(
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height: 40.0,
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width: 40.0,
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child: DecoratedBox(
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decoration: BoxDecoration(
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border: Border.all(color: AppColors.grey1),
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borderRadius: BorderRadius.circular(8.0),
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color: Colors.transparent,
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),
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child: InkResponse(
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borderRadius: BorderRadius.circular(8.0),
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onTap: () {
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widget.viewModel.logout.execute();
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},
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child: Center(
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child: Icon(
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size: 24.0,
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Icons.logout,
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color: Theme.of(context).colorScheme.onSurface,
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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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void _onResult() {
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// We do not need to navigate to `/login` on logout,
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// it is done automatically by GoRouter.
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if (widget.viewModel.logout.error) {
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widget.viewModel.logout.clearResult();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(AppLocalization.of(context).errorWhileLogout),
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action: SnackBarAction(
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label: AppLocalization.of(context).tryAgain,
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onPressed: widget.viewModel.logout.execute,
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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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