Account Management mostly implemented
This commit is contained in:
Alexander Laevens
75
grocery_helper/lib/screens/home_screen.dart
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75
grocery_helper/lib/screens/home_screen.dart
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import 'package:flutter/material.dart';
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import 'package:grocery_helper/pages/profile_page/profile_page.dart';
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import 'package:grocery_helper/pages/recipes_page/recipes_page.dart';
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import 'package:grocery_helper/pages/themetest.dart';
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class HomeScreen extends StatefulWidget {
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const HomeScreen({super.key});
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@override
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State<HomeScreen> createState() => _HomeScreenState();
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}
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class _HomeScreenState extends State<HomeScreen> {
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int _selectedPage = 0;
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late List<Widget> _pages;
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final List<String> _pageNames = [
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"Shopping List",
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"Saved Recipes",
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"Your Profile",
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"Color Debug"
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];
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@override
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void initState() {
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_pages = <Widget>[
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Container(),
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const RecipesPage(),
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const ProfilePage(),
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const ColorPage()
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];
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super.initState();
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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: SafeArea(child: _pages[_selectedPage]),
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appBar: AppBar(title: Text(_pageNames[_selectedPage])),
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bottomNavigationBar: BottomNavigationBar(
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type: BottomNavigationBarType.shifting,
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selectedItemColor: Theme.of(context).colorScheme.primary,
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unselectedItemColor: Theme.of(context).colorScheme.secondary,
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landscapeLayout: BottomNavigationBarLandscapeLayout.centered,
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items: [
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BottomNavigationBarItem(
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icon: const Icon(Icons.list_alt),
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label: "List",
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backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
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),
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BottomNavigationBarItem(
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icon: const Icon(Icons.menu_book),
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label: "Recipes",
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backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
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),
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BottomNavigationBarItem(
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icon: const Icon(Icons.person),
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label: "Profile",
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backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
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),
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BottomNavigationBarItem(
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icon: const Icon(Icons.grid_3x3),
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label: "Colors",
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backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
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)
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],
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currentIndex: _selectedPage,
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onTap: (value) {
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setState(() {
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_selectedPage = value;
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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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338
grocery_helper/lib/screens/login_screen.dart
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338
grocery_helper/lib/screens/login_screen.dart
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@@ -0,0 +1,338 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:flutter_svg/flutter_svg.dart';
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import 'package:grocery_helper/api/auth.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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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 List<bool> _isSelected = [true, false];
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@override
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Widget build(BuildContext context) {
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final Brightness brightness = Theme.of(context).colorScheme.brightness;
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return Scaffold(
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body: Center(
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child: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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mainAxisAlignment: MainAxisAlignment.start,
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mainAxisSize: MainAxisSize.max,
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children: [
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SizedBox.square(
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dimension: 200,
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child: SvgPicture.asset(
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brightness == Brightness.light
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? "assets/images/holes.svg"
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: "assets/images/holes-dark.svg",
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fit: BoxFit.contain,
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),
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),
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FractionallySizedBox(
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widthFactor: 0.9,
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child: Card(
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elevation: 10,
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child: Padding(
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padding: const EdgeInsets.all(8),
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child: Column(
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children: [
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LayoutBuilder(builder: (builder, constraints) {
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return ToggleButtons(
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isSelected: _isSelected,
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constraints: BoxConstraints.expand(
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width: constraints.maxWidth / 2 - 8,
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height: 30),
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selectedBorderColor:
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Theme.of(context).colorScheme.primary,
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onPressed: (index) {
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setState(() {
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for (int i = 0; i < _isSelected.length; i++) {
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_isSelected[i] = (i == index);
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}
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});
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},
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children: const [Text("Log In"), Text("Sign Up")],
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);
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}),
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_isSelected[0] ? const LoginForm() : const SignupForm()
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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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class LoginForm extends StatefulWidget {
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const LoginForm({super.key});
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@override
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State<LoginForm> createState() => _LoginFormState();
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}
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class _LoginFormState extends State<LoginForm> {
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bool _stayLoggedIn = false;
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bool _tryingLogin = false;
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final _usernameController = TextEditingController(text: "");
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final _passwordController = TextEditingController(text: "");
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void tryLogIn(bool save) async {
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setState(() {
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_tryingLogin = true;
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});
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String tok =
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await getToken(_usernameController.text, _passwordController.text);
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if (tok == "") {
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showError("That Username / Password combination does not exist.");
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setState(() {
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_tryingLogin = false;
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});
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return;
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}
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if (save) {
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const storage = FlutterSecureStorage();
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storage.write(key: "token", value: tok);
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}
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if (mounted) {
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await Navigator.pushReplacementNamed(context, "/home");
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}
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}
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void trySavedToken() async {
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setState(() {
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_tryingLogin = true;
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});
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// get token from storage
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const storage = FlutterSecureStorage();
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final String? token = await storage.read(key: "token");
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if (token == null) {
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setState(() {
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_tryingLogin = false;
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});
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return;
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}
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// check the stored token still works
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final bool stillValid = await testToken(token);
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if (!stillValid) {
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storage.delete(key: "token");
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setState(() {
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_tryingLogin = false;
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});
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return;
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}
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// store the token in a singleton to avoid repeated storage accesses
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final TokenSingleton s = TokenSingleton();
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s.setToken(token);
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if (mounted) {
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await Navigator.pushReplacementNamed(context, "/home");
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}
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}
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void showError(String text) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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backgroundColor: Theme.of(context).colorScheme.error,
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content: Text(text),
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action: SnackBarAction(
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textColor: Theme.of(context).colorScheme.onError,
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label: "Dismiss",
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onPressed: () => ScaffoldMessenger.of(context).hideCurrentSnackBar(),
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),
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),
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);
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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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trySavedToken();
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}
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@override
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Widget build(BuildContext context) {
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return Form(
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child: Column(
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children: [
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TextFormField(
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controller: _usernameController,
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textInputAction: TextInputAction.next,
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decoration: const InputDecoration(hintText: "Username"),
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),
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TextFormField(
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controller: _passwordController,
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textInputAction: TextInputAction.done,
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obscureText: true,
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decoration: const InputDecoration(hintText: "Password"),
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onFieldSubmitted: (value) => tryLogIn(_stayLoggedIn),
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),
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Row(
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children: [
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const Text("Stay Logged In:"),
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Checkbox(
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value: _stayLoggedIn,
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onChanged: (value) {
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setState(() {
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_stayLoggedIn = value!;
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});
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},
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)
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],
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),
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ElevatedButton(
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onPressed: !_tryingLogin ? () => tryLogIn(_stayLoggedIn) : null,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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mainAxisSize: MainAxisSize.min,
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children: _tryingLogin
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? [
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const Text("Log In"),
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const Padding(
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padding: EdgeInsets.only(left: 12),
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child: Center(
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child: SizedBox(
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height: 20,
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width: 20,
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child: CircularProgressIndicator(),
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),
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),
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)
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]
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: const [
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Text("Log In"),
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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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class SignupForm extends StatefulWidget {
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const SignupForm({super.key});
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@override
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State<SignupForm> createState() => _SignupFormState();
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}
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class _SignupFormState extends State<SignupForm> {
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final _usernameController = TextEditingController(text: "");
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final _passwordController = TextEditingController(text: "");
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final _firstnameController = TextEditingController(text: "");
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final _lastnameController = TextEditingController(text: "");
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void showError(String text) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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backgroundColor: Theme.of(context).colorScheme.error,
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content: Text(text),
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action: SnackBarAction(
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textColor: Theme.of(context).colorScheme.onError,
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label: "Dismiss",
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onPressed: () => ScaffoldMessenger.of(context).hideCurrentSnackBar(),
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),
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),
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);
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}
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void trySignUpLogin() async {
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String firstName = _firstnameController.text;
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String lastName = _lastnameController.text;
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String userName = _usernameController.text;
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String password = _passwordController.text;
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if (firstName == "" || lastName == "" || userName == "" || password == "") {
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showError("All fields must be populated");
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return;
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}
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String errors = await signup(firstName, lastName, userName, password);
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if (errors != "") {
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showError(errors);
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return;
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}
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String tok = await getToken(userName, password);
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if (tok == "") {
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showError("That Username / Password combination does not exist.");
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return;
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}
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if (mounted) {
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await Navigator.pushReplacementNamed(context, "/home");
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}
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}
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@override
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Widget build(BuildContext context) {
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return Form(
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child: Column(
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children: [
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Row(
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children: [
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Flexible(
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child: TextFormField(
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controller: _firstnameController,
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textInputAction: TextInputAction.next,
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decoration: const InputDecoration(hintText: "First Name"),
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),
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),
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const SizedBox(width: 8),
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Flexible(
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child: TextFormField(
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controller: _lastnameController,
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textInputAction: TextInputAction.next,
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decoration: const InputDecoration(hintText: "Last Name"),
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),
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)
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],
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),
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TextFormField(
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controller: _usernameController,
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textInputAction: TextInputAction.next,
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decoration: const InputDecoration(hintText: "Username"),
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),
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TextFormField(
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controller: _passwordController,
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textInputAction: TextInputAction.done,
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obscureText: true,
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decoration: const InputDecoration(hintText: "Password"),
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onFieldSubmitted: (value) async => trySignUpLogin(),
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),
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const SizedBox(height: 8),
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ElevatedButton(
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onPressed: () async {
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trySignUpLogin();
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},
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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mainAxisSize: MainAxisSize.min,
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children: const [Text("Sign up & Log in")],
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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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Block a user