Files
social-app/apps/lib/features/auth/ui/screens/login_screen.dart
T
qzl 0661016827 feat(auth): transition from email to phone-based OTP authentication
- Replace Email+Password login with Phone+OTP flow
- Remove RegisterCubit and registration screens (email verification)
- Remove ResetPasswordCubit and reset password screens
- Add phone normalization and international dial code support
- Update LoginCubit with sendCode/resend cooldown logic
- Add new widgets: phone prefix selector, confirm sheet
- Update all auth API endpoints: /otp/send, /phone-session
- Update form inputs: Email -> Phone with E.164 validation
- Update tests for new auth flow
2026-03-19 18:42:05 +08:00

312 lines
12 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:formz/formz.dart';
import 'package:go_router/go_router.dart';
import '../../../../core/di/injection.dart';
import '../../../../core/router/app_routes.dart';
import '../../../../core/theme/design_tokens.dart';
import '../../../../shared/widgets/app_button.dart';
import '../../../../shared/widgets/banner/app_banner.dart';
import '../../../../shared/widgets/confirm_sheet.dart';
import '../../../../shared/widgets/link_button.dart';
import '../../../../shared/widgets/phone_prefix_selector.dart';
import '../../../../shared/widgets/toast/toast_type.dart';
import '../../data/auth_repository.dart';
import '../../presentation/bloc/auth_bloc.dart';
import '../../presentation/bloc/auth_event.dart';
import '../../presentation/cubits/login_cubit.dart';
import '../widgets/auth_field.dart';
import '../widgets/auth_page_scaffold.dart';
class LoginScreen extends StatelessWidget {
const LoginScreen({super.key});
@override
Widget build(BuildContext context) {
return BlocProvider(
create: (context) => LoginCubit(sl<AuthRepository>()),
child: const LoginView(),
);
}
}
class LoginView extends StatefulWidget {
const LoginView({super.key});
@override
State<LoginView> createState() => _LoginViewState();
}
class _LoginViewState extends State<LoginView> {
static const _dialCodes = <String>['+86', '+1', '+44', '+81', '+65'];
final _phoneController = TextEditingController();
final _codeController = TextEditingController();
bool _agreedToTerms = false;
@override
void dispose() {
_phoneController.dispose();
_codeController.dispose();
super.dispose();
}
Future<void> _handleLogin() async {
final cubit = context.read<LoginCubit>();
cubit.phoneChanged(_phoneController.text);
cubit.codeChanged(_codeController.text);
if (!cubit.state.isValid) {
return;
}
final response = await cubit.submit();
if (response != null && mounted) {
context.read<AuthBloc>().add(AuthLoggedIn(user: response.user));
context.go(AppRoutes.homeMain);
}
}
Future<void> _handleSendCode() async {
if (!_agreedToTerms) {
final confirmed = await _showAgreementDialog();
if (!confirmed || !mounted) return;
setState(() => _agreedToTerms = true);
}
final cubit = context.read<LoginCubit>();
cubit.phoneChanged(_phoneController.text);
final sent = await cubit.sendCode();
if (!mounted || !sent) {
return;
}
}
Future<bool> _showAgreementDialog() async {
return await showConfirmSheet(
context,
title: '请先同意协议',
message: '在使用我们的服务之前,请先阅读并同意《用户协议》和《隐私政策》。\n\n只有您同意上述协议,我们才能为您提供服务。',
confirmText: '确认',
cancelText: '取消',
);
}
Widget _buildAgreementCheckbox() {
return Center(
child: Row(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Semantics(
label: '同意用户协议与隐私政策',
checked: _agreedToTerms,
button: true,
child: InkWell(
borderRadius: BorderRadius.circular(AppRadius.md),
onTap: () => setState(() => _agreedToTerms = !_agreedToTerms),
child: SizedBox(
width: 44,
height: 44,
child: Center(
child: Container(
width: 20,
height: 20,
margin: const EdgeInsets.only(right: AppSpacing.sm),
decoration: BoxDecoration(
color: _agreedToTerms
? AppColors.blue600
: Colors.transparent,
borderRadius: BorderRadius.circular(4),
border: Border.all(
color: _agreedToTerms
? AppColors.blue600
: AppColors.slate400,
width: 1.5,
),
),
child: _agreedToTerms
? const Icon(
Icons.check,
size: 14,
color: AppColors.white,
)
: null,
),
),
),
),
),
RichText(
text: TextSpan(
style: const TextStyle(fontSize: 13, color: AppColors.slate600),
children: [
const TextSpan(text: '我已同意'),
TextSpan(
text: '《用户协议》',
style: const TextStyle(
color: AppColors.blue600,
decoration: TextDecoration.underline,
),
),
const TextSpan(text: ''),
TextSpan(
text: '《隐私政策》',
style: const TextStyle(
color: AppColors.blue600,
decoration: TextDecoration.underline,
),
),
],
),
),
],
),
);
}
@override
Widget build(BuildContext context) {
return AuthPageScaffold(
resizeOnKeyboard: false,
mainContentKey: const Key('login_main_content'),
mainContent: LayoutBuilder(
builder: (context, constraints) {
final bottomInset = MediaQuery.of(context).viewInsets.bottom;
return SingleChildScrollView(
padding: EdgeInsets.fromLTRB(
AppSpacing.lg,
0,
AppSpacing.lg,
bottomInset + AppSpacing.lg,
),
child: ConstrainedBox(
constraints: BoxConstraints(minHeight: constraints.maxHeight),
child: Center(
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 320),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
const AuthHeroHeader(showBrand: true),
SizedBox(height: AppSpacing.xxl),
BlocBuilder<LoginCubit, LoginState>(
builder: (context, state) {
final fieldError = state.phone.displayError != null
? state.phone.error
: state.code.displayError != null
? state.code.error
: null;
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
AuthSection(
child: Column(
crossAxisAlignment:
CrossAxisAlignment.stretch,
children: [
AuthField(
hint: '输入手机号',
controller: _phoneController,
onChanged: (value) {
context.read<LoginCubit>().phoneChanged(
value,
);
},
keyboardType: TextInputType.phone,
prefix: PhonePrefixSelector(
value: state.dialCode,
items: _dialCodes,
onChanged: (value) {
context
.read<LoginCubit>()
.dialCodeChanged(value);
},
),
inputFormatters: [
FilteringTextInputFormatter.digitsOnly,
LengthLimitingTextInputFormatter(14),
],
),
SizedBox(height: AppSpacing.lg),
AuthField(
hint: '输入验证码',
controller: _codeController,
onChanged: (value) {
context.read<LoginCubit>().codeChanged(
value,
);
},
keyboardType: TextInputType.number,
inputFormatters: [
FilteringTextInputFormatter.digitsOnly,
LengthLimitingTextInputFormatter(6),
],
suffixIcon: Padding(
padding: const EdgeInsets.only(
right: AppSpacing.md,
),
child: LinkButton(
text: state.resendCooldownSeconds > 0
? '${state.resendCooldownSeconds}s'
: '发送验证码',
onTap: state.canSendCode
? _handleSendCode
: null,
),
),
),
if (state.errorMessage != null ||
fieldError != null)
Padding(
padding: const EdgeInsets.only(
top: AppSpacing.md,
),
child: AppBanner(
message:
state.errorMessage ?? fieldError!,
type: state.errorMessage != null
? ToastType.error
: ToastType.warning,
title: state.errorMessage != null
? '登录失败'
: '请检查输入',
),
),
],
),
),
SizedBox(height: AppSpacing.xxl),
AppButton(
text: '登录/注册',
onPressed:
state.status ==
FormzSubmissionStatus.inProgress
? null
: _handleLogin,
isLoading:
state.status ==
FormzSubmissionStatus.inProgress,
),
SizedBox(height: AppSpacing.xxl * 2),
_buildAgreementCheckbox(),
],
);
},
),
],
),
),
),
),
);
},
),
);
}
}