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eatvio_app/lib/features/registration/presentation/pages/verify_email_screen.dart
2025-05-26 17:56:29 +03:00

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import 'package:eatvio_app/core/locator_service.dart';
import 'package:eatvio_app/core/utils/toasts.dart';
import 'package:eatvio_app/features/registration/presentation/bloc/verify_email_cubit/verify_email_cubit.dart';
import 'package:eatvio_app/features/registration/presentation/bloc/verify_email_cubit/verify_email_state.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:go_router/go_router.dart';
class VerifyEmailScreen extends StatefulWidget {
const VerifyEmailScreen({super.key});
@override
State<VerifyEmailScreen> createState() => _VerifyEmailScreenState();
}
class _VerifyEmailScreenState extends State<VerifyEmailScreen> {
final List<FocusNode> _focusNodes = List.generate(4, (_) => FocusNode());
final List<TextEditingController> _controllers = List.generate(4, (_) => TextEditingController());
String email = '';
@override
void dispose() {
for (var controller in _controllers) {
controller.dispose();
}
for (var node in _focusNodes) {
node.dispose();
}
super.dispose();
}
void _checkAndSubmitCode(BuildContext context) {
final code = _controllers.map((c) => c.text).join();
if (code.length == 4) {
context.read<VerifyEmailCubit>().tryVerify(code);
}
}
@override
Widget build(BuildContext context) {
return BlocProvider<VerifyEmailCubit>(
create: (_) => sl<VerifyEmailCubit>()..sendEmailCode(),
child: BlocConsumer<VerifyEmailCubit, VerifyEmailState>(
listener: (context, state) {
if (state is VerifyEmailStateLoaded) {
setState(() {
email = state.email;
});
} else if (state is VerifyEmailStateVerifySuccess) {
showSuccessToast('Почта успешно подтверждена');
GoRouter.of(context).pop();
} else if (state is VerifyEmailStateVerifyError) {
showErrorToast("Неверный код. Попробуйте снова.");
for (var controller in _controllers) {
controller.clear();
}
FocusScope.of(context).requestFocus(_focusNodes[0]);
}
},
builder: (context, state) {
return Scaffold(
appBar: AppBar(title: const Text("Подтвердите почту")),
body: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text("Код отправлен на почту\n$email", textAlign: TextAlign.center),
const SizedBox(height: 20),
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: List.generate(4, (index) => _buildCodeField(context, index)),
),
const SizedBox(height: 20),
const Text("Запросить код повторно", style: TextStyle(color: Colors.grey)),
TextButton(
onPressed: () {
context.read<VerifyEmailCubit>().sendEmailCode();
},
child: const Text("Не приходит код?"),
),
],
),
),
);
},
),
);
}
Widget _buildCodeField(BuildContext context, int index) {
return SizedBox(
width: 50,
child: TextField(
controller: _controllers[index],
focusNode: _focusNodes[index],
keyboardType: TextInputType.number,
textAlign: TextAlign.center,
maxLength: 1,
style: const TextStyle(fontSize: 24),
decoration: InputDecoration(
counterText: "",
border: OutlineInputBorder(borderRadius: BorderRadius.circular(8.0)),
),
onChanged: (value) {
if (value.isNotEmpty && index < 3) {
FocusScope.of(context).requestFocus(_focusNodes[index + 1]);
}
if (value.isEmpty && index > 0) {
FocusScope.of(context).requestFocus(_focusNodes[index - 1]);
}
_checkAndSubmitCode(context);
},
),
);
}
}