74 lines
1.9 KiB
Dart
74 lines
1.9 KiB
Dart
import 'package:flutter/material.dart';
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class LoginController with ChangeNotifier {
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final TextEditingController emailController = TextEditingController();
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final TextEditingController passwordController = TextEditingController();
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bool _isLoading = false;
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bool _obscurePassword = true;
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String? _emailError;
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String? _passwordError;
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bool get isLoading => _isLoading;
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bool get obscurePassword => _obscurePassword;
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String? get emailError => _emailError;
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String? get passwordError => _passwordError;
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void togglePasswordVisibility() {
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_obscurePassword = !_obscurePassword;
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notifyListeners();
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}
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String? validateEmail(String? value) {
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if (value == null || value.isEmpty) {
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return 'Por favor, insira o seu email';
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}
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final emailRegex = RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$');
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if (!emailRegex.hasMatch(value)) {
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return 'Por favor, insira um email válido';
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}
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return null;
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}
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String? validatePassword(String? value) {
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if (value == null || value.isEmpty) {
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return 'Por favor, insira a sua password';
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}
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if (value.length < 6) {
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return 'A password deve ter pelo menos 6 caracteres';
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}
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return null;
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}
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Future<bool> login() async {
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_emailError = validateEmail(emailController.text);
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_passwordError = validatePassword(passwordController.text);
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if (_emailError != null || _passwordError != null) {
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notifyListeners();
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return false;
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}
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_isLoading = true;
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notifyListeners();
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try {
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await Future.delayed(const Duration(seconds: 2));
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// Simula login bem-sucedido
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_isLoading = false;
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notifyListeners();
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return true;
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} catch (e) {
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_isLoading = false;
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_emailError = 'Erro no login. Tente novamente.';
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notifyListeners();
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return false;
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}
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}
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void dispose() {
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emailController.dispose();
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passwordController.dispose();
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}
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} |