373 lines
13 KiB
Dart
373 lines
13 KiB
Dart
import 'dart:async';
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import 'package:afterwork/data/datasources/user_remote_data_source.dart';
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import 'package:afterwork/data/models/user_model.dart';
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import 'package:afterwork/data/services/preferences_helper.dart';
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import 'package:afterwork/data/services/secure_storage.dart';
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import 'package:afterwork/presentation/screens/home/home_screen.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_spinkit/flutter_spinkit.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import 'package:http/http.dart' as http;
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import 'package:loading_icon_button/loading_icon_button.dart';
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import 'package:provider/provider.dart';
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import '../../../core/theme/theme_provider.dart';
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import '../../../data/datasources/event_remote_data_source.dart';
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import '../signup/SignUpScreen.dart';
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/// Écran de connexion pour l'application AfterWork.
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/// Ce fichier contient des fonctionnalités comme la gestion de la connexion,
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/// l'authentification avec mot de passe en clair, la gestion des erreurs et un thème jour/nuit.
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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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_LoginScreenState createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> with SingleTickerProviderStateMixin {
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final _formKey = GlobalKey<FormState>(); // Clé pour valider le formulaire de connexion.
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// Champs utilisateur
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String _email = ''; // Email de l'utilisateur
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String _password = ''; // Mot de passe de l'utilisateur
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// États de gestion
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bool _isPasswordVisible = false; // Pour afficher/masquer le mot de passe
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bool _isSubmitting = false; // Indicateur pour l'état de soumission du formulaire
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bool _showErrorMessage = false; // Affichage des erreurs
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// Services pour les opérations
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final UserRemoteDataSource _userRemoteDataSource = UserRemoteDataSource(http.Client());
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final SecureStorage _secureStorage = SecureStorage();
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final PreferencesHelper _preferencesHelper = PreferencesHelper();
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// Contrôleur pour le bouton de chargement
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final _btnController = LoadingButtonController();
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// Contrôleur d'animation pour la transition des écrans
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late AnimationController _animationController;
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@override
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void initState() {
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super.initState();
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_animationController = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 500),
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);
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print("Contrôleur d'animation initialisé.");
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}
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@override
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void dispose() {
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_animationController.dispose();
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print("Ressources d'animation libérées.");
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super.dispose();
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}
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/// Fonction pour basculer la visibilité du mot de passe
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void _togglePasswordVisibility() {
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setState(() {
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_isPasswordVisible = !_isPasswordVisible;
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});
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print("Visibilité du mot de passe basculée: $_isPasswordVisible");
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}
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/// Fonction pour afficher un toast via FlutterToast
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void _showToast(String message) {
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Fluttertoast.showToast(
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msg: message,
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toastLength: Toast.LENGTH_SHORT,
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gravity: ToastGravity.BOTTOM,
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timeInSecForIosWeb: 1,
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backgroundColor: Colors.black,
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textColor: Colors.white,
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fontSize: 16.0,
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);
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}
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/// Fonction soumettre le formulaire
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Future<void> _submit() async {
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print("Tentative de soumission du formulaire de connexion.");
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if (_formKey.currentState!.validate()) {
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setState(() {
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_isSubmitting = true;
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_showErrorMessage = false;
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});
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_formKey.currentState!.save();
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try {
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_btnController.start();
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final UserModel user = await _userRemoteDataSource.authenticateUser(_email, _password);
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if (user == null) {
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throw Exception("L'utilisateur n'a pas été trouvé ou l'authentification a échoué.");
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}
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print("Utilisateur authentifié : ${user.userId}");
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await _secureStorage.saveUserId(user.userId);
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await _preferencesHelper.saveUserName(user.nom);
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await _preferencesHelper.saveUserLastName(user.prenoms);
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_showToast("Connexion réussie !");
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// Navigation vers la page d'accueil
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) => HomeScreen(
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eventRemoteDataSource: EventRemoteDataSource(http.Client()),
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userId: user.userId,
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userName: user.nom,
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userLastName: user.prenoms,
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userProfileImage: 'lib/assets/images/profile_picture.png',
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),
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),
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);
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} catch (e) {
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print("Erreur lors de l'authentification : $e");
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_btnController.error();
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_showToast("Erreur lors de la connexion : ${e.toString()}");
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setState(() {
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_showErrorMessage = true;
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});
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} finally {
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_btnController.reset();
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setState(() {
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_isSubmitting = false;
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});
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}
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} else {
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print("Échec de validation du formulaire.");
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_btnController.reset();
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_showToast("Veuillez vérifier les informations saisies.");
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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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final theme = Theme.of(context);
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final size = MediaQuery.of(context).size;
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final themeProvider = Provider.of<ThemeProvider>(context);
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bool isKeyboardVisible = MediaQuery.of(context).viewInsets.bottom != 0;
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return Scaffold(
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body: Stack(
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children: [
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AnimatedContainer(
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duration: const Duration(seconds: 3),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [
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theme.colorScheme.primary,
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theme.colorScheme.secondary
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],
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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),
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),
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),
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if (_isSubmitting)
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const Center(
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child: SpinKitFadingCircle(
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color: Colors.white,
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size: 50.0,
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),
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),
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Positioned(
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top: 40,
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right: 20,
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child: IconButton(
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icon: Icon(
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themeProvider.isDarkMode ? Icons.dark_mode : Icons.light_mode,
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color: theme.iconTheme.color,
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),
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onPressed: () {
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themeProvider.toggleTheme();
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print("Thème basculé : ${themeProvider.isDarkMode ? 'Sombre' : 'Clair'}");
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},
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),
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),
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Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(16.0),
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child: Form(
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key: _formKey,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Image.asset(
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'lib/assets/images/logo.png',
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height: size.height * 0.25,
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),
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const SizedBox(height: 20),
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Text(
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'Bienvenue sur AfterWork',
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style: theme.textTheme.titleLarge,
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),
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const SizedBox(height: 40),
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_buildTextFormField(
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label: 'Email',
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icon: Icons.email,
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validator: (value) {
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if (value == null || value.isEmpty) {
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print("Erreur : champ email vide.");
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return 'Veuillez entrer votre email';
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}
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if (!RegExp(r'^[^@]+@[^@]+\.[^@]+').hasMatch(value)) {
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print("Erreur : email invalide.");
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return 'Veuillez entrer un email valide';
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}
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return null;
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},
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onSaved: (value) {
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_email = value!;
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print("Email enregistré : $_email");
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},
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),
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const SizedBox(height: 20),
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_buildTextFormField(
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label: 'Mot de passe',
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icon: Icons.lock,
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obscureText: !_isPasswordVisible,
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suffixIcon: IconButton(
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icon: Icon(
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_isPasswordVisible
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? Icons.visibility
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: Icons.visibility_off,
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color: theme.iconTheme.color,
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),
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onPressed: _togglePasswordVisibility,
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),
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validator: (value) {
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if (value == null || value.isEmpty) {
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print("Erreur : champ mot de passe vide.");
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return 'Veuillez entrer votre mot de passe';
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}
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if (value.length < 6) {
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print("Erreur : mot de passe trop court.");
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return 'Le mot de passe doit comporter au moins 6 caractères';
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}
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return null;
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},
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onSaved: (value) {
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_password = value!;
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print("Mot de passe enregistré.");
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},
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),
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const SizedBox(height: 30),
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SizedBox(
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width: size.width * 0.85,
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child: LoadingButton(
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controller: _btnController,
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onPressed: _isSubmitting ? null : _submit,
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iconData: Icons.login,
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iconColor: theme.colorScheme.onPrimary,
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child: Text(
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'Connexion',
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style: theme.textTheme.bodyLarge!.copyWith(
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color: theme.colorScheme.onPrimary,
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),
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),
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),
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),
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const SizedBox(height: 20),
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TextButton(
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onPressed: () {
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print("Redirection vers la page d'inscription");
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => SignUpScreen(),
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),
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);
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},
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child: Text(
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'Pas encore de compte ? Inscrivez-vous',
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style: theme.textTheme.bodyMedium!
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.copyWith(color: Colors.white70),
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),
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),
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TextButton(
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onPressed: () {
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print("Mot de passe oublié");
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},
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child: Text(
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'Mot de passe oublié ?',
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style: theme.textTheme.bodyMedium!
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.copyWith(color: Colors.white70),
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),
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),
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if (_showErrorMessage)
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const Padding(
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padding: EdgeInsets.only(top: 20),
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child: Text(
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'Erreur lors de la connexion. Veuillez vérifier vos identifiants.',
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style: TextStyle(color: Colors.red, fontSize: 16),
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textAlign: TextAlign.center,
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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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AnimatedPositioned(
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duration: const Duration(milliseconds: 300),
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bottom: isKeyboardVisible ? 0 : 20,
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left: isKeyboardVisible ? 20 : 0,
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right: isKeyboardVisible ? 20 : 0,
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child: Row(
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mainAxisAlignment: isKeyboardVisible
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? MainAxisAlignment.spaceBetween
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: MainAxisAlignment.center,
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children: [
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Image.asset(
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'lib/assets/images/logolionsdev.png',
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height: 30,
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),
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if (isKeyboardVisible)
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Text(
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'© 2024 LionsDev',
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style: theme.textTheme.bodyMedium!
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.copyWith(color: Colors.white70),
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textAlign: TextAlign.center,
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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 réutilisable pour les champs de texte avec validation et design amélioré
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Widget _buildTextFormField({
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required String label,
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required IconData icon,
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bool obscureText = false,
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Widget? suffixIcon,
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required FormFieldValidator<String> validator,
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required FormFieldSetter<String> onSaved,
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}) {
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final theme = Theme.of(context);
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return TextFormField(
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decoration: InputDecoration(
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labelText: label,
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filled: true,
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fillColor: theme.inputDecorationTheme.fillColor,
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labelStyle: theme.textTheme.bodyMedium,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12.0),
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borderSide: BorderSide.none,
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),
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prefixIcon: Icon(icon, color: theme.iconTheme.color),
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suffixIcon: suffixIcon,
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),
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obscureText: obscureText,
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style: theme.textTheme.bodyLarge,
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validator: validator,
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onSaved: onSaved,
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);
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}
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}
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