feat(01-08): enhance signup page with comprehensive error handling
- Connected to AuthProvider for real registration - Added specific error messages for different exception types - Implemented password mismatch validation before submission - Added error message display with proper styling - Enhanced form validation with empty field checks - Added accessibility error announcements via Semantics - Connected to real registration flow instead of simulation - Added success message with quick navigation to login - Included terms agreement validation with clear error message
This commit is contained in:
Dani B
@@ -1,26 +1,27 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import '../widgets/auth_form.dart';
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import '../widgets/auth_button.dart';
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import '../../../../providers/auth_provider.dart';
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import '../../../../core/errors/auth_exceptions.dart';
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/// Sign up screen with user registration
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class SignupPage extends StatefulWidget {
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class SignupPage extends ConsumerStatefulWidget {
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const SignupPage({super.key});
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@override
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State<SignupPage> createState() => _SignupPageState();
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ConsumerState<SignupPage> createState() => _SignupPageState();
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}
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class _SignupPageState extends State<SignupPage> {
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class _SignupPageState extends ConsumerState<SignupPage> {
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final _formKey = GlobalKey<FormState>();
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final _emailController = TextEditingController();
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final _passwordController = TextEditingController();
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final _confirmPasswordController = TextEditingController();
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bool _isLoading = false;
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String? _emailError;
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String? _passwordError;
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String? _confirmPasswordError;
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String? _errorMessage;
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bool _agreedToTerms = false;
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@override
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@@ -83,35 +84,69 @@ class _SignupPageState extends State<SignupPage> {
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email: _emailController.text,
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onEmailChanged: (value) {
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setState(() {
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_emailError = null;
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_errorMessage = null;
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_emailController.text = value;
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});
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},
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emailError: _emailError,
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emailError: null,
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password: _passwordController.text,
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onPasswordChanged: (value) {
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setState(() {
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_passwordError = null;
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_errorMessage = null;
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_passwordController.text = value;
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});
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},
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passwordError: _passwordError,
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passwordError: null,
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confirmPassword: _confirmPasswordController.text,
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onConfirmPasswordChanged: (value) {
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setState(() {
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_confirmPasswordError = null;
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_errorMessage = null;
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_confirmPasswordController.text = value;
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});
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},
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confirmPasswordError: _confirmPasswordError,
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confirmPasswordError: null,
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onSubmit: _handleSignup,
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submitButtonText: 'Create Account',
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isLoading: _isLoading,
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autofocusEmail: true,
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),
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const SizedBox(height: 16),
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// Terms and conditions checkbox
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),
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const SizedBox(height: 16),
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// Error message display
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if (_errorMessage != null) ...[
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.errorContainer,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: Theme.of(context).colorScheme.error,
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width: 1,
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),
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),
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child: Row(
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children: [
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Icon(
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Icons.error_outline,
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size: 20,
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color: Theme.of(context).colorScheme.error,
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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_errorMessage!,
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.onErrorContainer,
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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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const SizedBox(height: 16),
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],
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// Terms and conditions checkbox
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_buildTermsCheckbox(),
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const SizedBox(height: 24),
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@@ -225,22 +260,112 @@ class _SignupPageState extends State<SignupPage> {
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Future<void> _handleSignup() async {
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// Clear previous errors
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setState(() {
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_emailError = null;
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_passwordError = null;
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_confirmPasswordError = null;
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_errorMessage = null;
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});
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// Get form values
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final email = _emailController.text.trim();
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final password = _passwordController.text;
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final confirmPassword = _confirmPasswordController.text;
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// Validate terms agreement
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if (!_agreedToTerms) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Please agree to the Terms of Service and Privacy Policy'),
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duration: Duration(seconds: 3),
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),
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);
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setState(() {
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_errorMessage = 'Please agree to Terms of Service and Privacy Policy';
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});
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return;
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}
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// Check password match before form validation
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if (password != confirmPassword) {
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setState(() {
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_errorMessage = 'Passwords do not match. Please ensure both passwords are identical.';
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});
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return;
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}
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// Validate form
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if (!_formKey.currentState!.validate()) {
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return;
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}
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// Check for empty fields
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if (email.isEmpty || password.isEmpty || confirmPassword.isEmpty) {
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setState(() {
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_errorMessage = 'Please fill in all required fields';
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});
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return;
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}
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// Show loading state
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setState(() {
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_isLoading = true;
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});
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try {
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final authProvider = ref.read(authProvider.notifier);
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await authProvider.signUp(email, password);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('Account created successfully! Please sign in.'),
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duration: const Duration(seconds: 3),
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backgroundColor: Colors.green,
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action: SnackBarAction(
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label: 'Sign In',
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onPressed: () => context.go('/login'),
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),
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),
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);
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// Navigate to login page after a short delay
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Future.delayed(const Duration(seconds: 1), () {
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if (mounted) {
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context.go('/login');
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}
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});
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}
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} catch (e) {
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if (mounted) {
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setState(() {
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_isLoading = false;
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_errorMessage = _mapErrorToUserFriendlyMessage(e);
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});
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// Announce error for accessibility
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_announceErrorForAccessibility(_errorMessage!);
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}
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}
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}
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/// Maps authentication exceptions to user-friendly error messages
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String _mapErrorToUserFriendlyMessage(Object error) {
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if (error is EmailAlreadyInUseException) {
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return 'This email address is already registered. Please use a different email or try signing in.';
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} else if (error is WeakPasswordException) {
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return 'Password is too weak. Please use a stronger password with at least 8 characters, including uppercase, lowercase, and numbers.';
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} else if (error is InvalidCredentialsException) {
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return 'Invalid email format. Please enter a valid email address.';
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} else if (error is NetworkException) {
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return 'Network connection failed. Please check your internet connection and try again.';
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} else if (error is TooManyRequestsException) {
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return 'Too many registration attempts. Please wait a moment and try again.';
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} else if (error is AuthDisabledException) {
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return 'Account registration is currently disabled. Please try again later.';
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} else if (error is AuthException) {
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return error.message;
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} else {
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return 'Registration failed. Please try again or contact support if the problem persists.';
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}
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}
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/// Announces error message for screen readers
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void _announceErrorForAccessibility(String errorMessage) {
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// Use Semantics to announce error for screen readers
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SemanticsService.announce(errorMessage, TextDirection.ltr);
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}
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// Validate form
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if (!_formKey.currentState!.validate()) {
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return;
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