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functionality to not show login screen, if alr logged in

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This commit is contained in:
Juan Marulanda De Los Rios 2024-11-22 02:19:31 -05:00
parent c690bd4631
commit 54585b163d
2 changed files with 152 additions and 95 deletions
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242
lib/login.dart
View file

@ -1,6 +1,9 @@
import 'dart:convert'; import 'dart:convert';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:http/http.dart' as http; import 'package:http/http.dart' as http;
import 'package:shared_preferences/shared_preferences.dart';
import 'dart:io';
import 'package:path_provider/path_provider.dart';
class AuthService { class AuthService {
Future<bool> isUserLoggedIn() async { Future<bool> isUserLoggedIn() async {
@ -10,15 +13,21 @@ class AuthService {
print(response.body); print(response.body);
if (response.statusCode == 200) { if (response.statusCode == 200) {
print('all good in the east!'); print('all good in the east!');
List json = jsonDecode(response.body); String jsonOuter = jsonDecode(response.body);
print(json[0]); Map<String, dynamic> json = jsonDecode(jsonOuter);
return true; // print(json["is_logged_in"]);
return json["is_logged_in"];
} }
} catch (e) { } catch (e) {
print(e); print(e);
} }
return false; return false;
} }
Future<bool> loginUser(String email, String password) async {
try {} catch (e) {}
return false;
}
} }
class LoginPage extends StatefulWidget { class LoginPage extends StatefulWidget {
@ -28,6 +37,43 @@ class LoginPage extends StatefulWidget {
_LoginPageState createState() => _LoginPageState(); _LoginPageState createState() => _LoginPageState();
} }
class SplashScreen extends StatefulWidget {
@override
_SplashScreenState createState() => _SplashScreenState();
}
class _SplashScreenState extends State<SplashScreen> {
final AuthService _authService = AuthService();
@override
void initState() {
super.initState();
_checkLoginStatus();
}
Future<void> _checkLoginStatus() async {
// SharedPreferences prefs = await SharedPreferences.getInstance();
// print(prefs);
// bool isLoggedIn = prefs.getBool('isLoggedIn') ?? false;
bool isLoggedIn = await _authService.isUserLoggedIn();
print("is loogeed in $isLoggedIn");
if (isLoggedIn) {
print('here');
Navigator.pushReplacementNamed(context, '/home');
} else {
Navigator.pushReplacementNamed(context, '/login');
}
}
@override
Widget build(BuildContext context) {
return Center(
child: Scaffold(
body: Center(child: CircularProgressIndicator()),
),
);
}
}
class _LoginPageState extends State<LoginPage> { class _LoginPageState extends State<LoginPage> {
final AuthService _authService = AuthService(); final AuthService _authService = AuthService();
// Controllers for capturing user input // Controllers for capturing user input
@ -37,20 +83,19 @@ class _LoginPageState extends State<LoginPage> {
// Key to identify the form // Key to identify the form
final _formKey = GlobalKey<FormState>(); final _formKey = GlobalKey<FormState>();
void checkLogin() async { // void checkLogin() async {
// try { // try {
// var url = Uri.http('127.0.0.1:3001', 'is_logged_in'); // var url = Uri.http('127.0.0.1:3001', 'is_logged_in');
// var response = await http.get(url); // var response = await http.get(url);
// print(response.body); // print(response.body);
// if (response.statusCode == 200) { // if (response.statusCode == 200) {
// print('all good on the west'); // print('all good on the west');
// } // }
// } catch (e) { // } catch (e) {
// print(e); // print(e);
// } // }
bool isLoggedIn = await _authService.isUserLoggedIn(); // // bool isLoggedIn = await _authService.isUserLoggedIn();
// }
}
// Function to handle login action // Function to handle login action
void _handleLogin() { void _handleLogin() {
@ -71,86 +116,95 @@ class _LoginPageState extends State<LoginPage> {
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return Scaffold( return Center(
appBar: AppBar( child: Scaffold(
title: const Text('Login Page'), appBar: AppBar(
), title: const Text('Login Page'),
body: Padding( ),
padding: const EdgeInsets.all(16.0), body: Center(
child: Form( child: SingleChildScrollView(
key: _formKey, padding: const EdgeInsets.all(16.0),
child: Align( child: Form(
alignment: Alignment.centerLeft, key: _formKey,
child: Column( child: Align(
mainAxisSize: MainAxisSize.min, alignment: Alignment.center,
crossAxisAlignment: CrossAxisAlignment.start, child: Column(
children: [ mainAxisSize: MainAxisSize.min,
Text('Sign in to your email'), crossAxisAlignment: CrossAxisAlignment.start,
SizedBox( children: [
height: 5, Text('Sign in to your email'),
), SizedBox(
// Email Field height: 5,
Container(
width: 200,
child: TextFormField(
controller: _emailController,
decoration: const InputDecoration(
labelText: 'Email',
hintText: 'Enter your email',
helperMaxLines: 1,
), ),
validator: (value) { // Email Field
// Simple email validation Container(
if (value == null || value.isEmpty) { width: 200,
return 'Please enter your email'; child: TextFormField(
} controller: _emailController,
if (!RegExp(r'^\S+@\S+\.\S+$').hasMatch(value)) { decoration: const InputDecoration(
return 'Please enter a valid email address'; labelText: 'Email',
} hintText: 'Enter your email',
return null; helperMaxLines: 1,
}, ),
), validator: (value) {
), // Simple email validation
const SizedBox(height: 16.0), if (value == null || value.isEmpty) {
// Password Field return 'Please enter your email';
Container( }
width: 200, if (!RegExp(r'^\S+@\S+\.\S+$').hasMatch(value)) {
child: TextFormField( // print(value);
controller: _passwordController, return 'Please enter a valid email address';
decoration: const InputDecoration( }
labelText: 'Password', return null;
hintText: 'Enter your password', },
),
), ),
obscureText: true, // Hide the password text const SizedBox(height: 16.0),
validator: (value) { // Password Field
// Simple password validation Container(
if (value == null || value.isEmpty) { width: 200,
return 'Please enter your password'; child: TextFormField(
} controller: _passwordController,
if (value.length < 6) { decoration: const InputDecoration(
return 'Password must be at least 6 characters long'; labelText: 'Password',
} hintText: 'Enter your password',
return null; ),
}, obscureText: true, // Hide the password text
), validator: (value) {
// Simple password validation
if (value == null || value.isEmpty) {
return 'Please enter your password';
}
if (value.length < 6) {
return 'Password must be at least 6 characters long';
}
return null;
},
),
),
const SizedBox(height: 32.0),
// Login Button
SizedBox(
width: 200,
child: ElevatedButton(
onPressed: _handleLogin,
child: const Text('Login'),
),
),
SizedBox(
width: 200,
child: ElevatedButton(
// onPressed: checkLogin,
onPressed: () async {
await _authService.isUserLoggedIn();
// print(result);
},
child: const Text('checker'),
),
)
],
), ),
const SizedBox(height: 32.0), ),
// Login Button
SizedBox(
width: 200,
child: ElevatedButton(
onPressed: _handleLogin,
child: const Text('Login'),
),
),
SizedBox(
width: 200,
child: ElevatedButton(
onPressed: checkLogin,
child: const Text('checker'),
),
)
],
), ),
), ),
), ),

5
lib/main.dart
View file

@ -22,10 +22,13 @@ class HyM extends StatelessWidget {
theme: ThemeData.light(), theme: ThemeData.light(),
title: 'HyM', title: 'HyM',
// home: HomeScreen(), // home: HomeScreen(),
home: HomeScreen(), // home: HomeScreen(),
initialRoute: "/",
routes: { routes: {
"/": (context) => SplashScreen(),
"/login": (context) => const LoginPage(), "/login": (context) => const LoginPage(),
"/home": (context) => HomeScreen(),
// "/email": (context) => EmailPage(), // "/email": (context) => EmailPage(),
"/contacts": (context) => ContactsPage(), "/contacts": (context) => ContactsPage(),
}, },