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feat: integrate unified payment and wallet refunds

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This commit is contained in:
yanweidong
2026-08-02 23:24:32 +08:00
parent f0b8af0bc8
commit 82a2106a97
64 changed files with 1519 additions and 254 deletions
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38
apps/user_app/lib/data/repositories/client_repository.dart
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@@ -79,6 +79,44 @@ class ClientRepository {
subtitleKeys: const ['amount', 'direction'],
);
Future<List<ClientRecord>> refunds() => _records(
'$root/refunds',
titleKeys: const ['refund_no'],
subtitleKeys: const ['reason', 'amount'],
statusKey: 'refund_status',
);
Future<Map<String, Object?>> payOrder({
required String business,
required String identity,
required String requestNo,
required String channel,
required String payType,
String openid = '',
}) async => jsonMap(await _api.post(
'$root/$business/orders/$identity/pay',
body: {
'request_no': requestNo,
'channel': channel,
'pay_type': payType,
if (openid.isNotEmpty) 'openid': openid,
},
));
Future<void> createRefund({
required String business,
required String identity,
required String requestNo,
required String reason,
required List<Map<String, Object?>> items,
}) async {
await _api.post('$root/$business/orders/$identity/refunds', body: {
'request_no': requestNo,
'reason': reason,
'items': items,
});
}
Future<Map<String, Object?>?> serviceRelation() async {
final value = await _api.get('$root/service-relation');
if (value == null || value == '') return null;

2
apps/user_app/lib/data/services/payment_jsapi.dart Normal file
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@@ -0,0 +1,2 @@
export 'payment_jsapi_stub.dart'
if (dart.library.js_interop) 'payment_jsapi_web.dart';

2
apps/user_app/lib/data/services/payment_jsapi_stub.dart Normal file
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@@ -0,0 +1,2 @@
Future<void> invokeWechatJsapi(String clientArgs) =>
throw UnsupportedError('微信 JSAPI 仅支持 Web');

25
apps/user_app/lib/data/services/payment_jsapi_web.dart Normal file
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@@ -0,0 +1,25 @@
import 'dart:async';
import 'dart:convert';
import 'dart:js_interop';
@JS('WeixinJSBridge.invoke')
external void _invoke(String name, JSAny? arguments, JSFunction callback);
Future<void> invokeWechatJsapi(String clientArgs) {
final completer = Completer<void>();
final arguments = jsonDecode(clientArgs).jsify();
_invoke(
'getBrandWCPayRequest',
arguments,
(JSAny? rawResult) {
final result = rawResult.dartify();
final message = result is Map ? result['err_msg']?.toString() ?? '' : '';
if (message == 'get_brand_wcpay_request:ok') {
completer.complete();
} else {
completer.completeError(StateError('微信支付未完成：$message'));
}
}.toJS,
);
return completer.future;
}

56
apps/user_app/lib/data/services/payment_launcher.dart Normal file
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@@ -0,0 +1,56 @@
import 'dart:convert';
import 'package:flutter/foundation.dart';
import 'package:fluwx/fluwx.dart';
import 'package:tobias/tobias.dart';
import 'package:url_launcher/url_launcher.dart';
import 'payment_jsapi.dart';
/// 只负责调起支付渠道；支付结果必须重新向服务端查询确认。
class PaymentLauncher {
PaymentLauncher({Fluwx? wechat, Tobias? alipay})
: _wechat = wechat ?? Fluwx(),
_alipay = alipay ?? Tobias();
final Fluwx _wechat;
final Tobias _alipay;
Future<void> launch(Map<String, Object?> payment) async {
final channel = payment['channel'];
final payType = payment['pay_type'];
final argsText = payment['client_args'] as String? ?? '';
// 支付宝手机网站支付返回可直接打开的收银台 URL。
if (payType == 'wap') {
final uri = Uri.tryParse(argsText);
if (uri == null ||
!await launchUrl(uri, mode: LaunchMode.externalApplication)) {
throw StateError('无法打开支付页面');
}
return;
}
if (kIsWeb && payType == 'jsapi') {
await invokeWechatJsapi(argsText);
return;
}
if (channel == 'alipay') {
await _alipay.pay(argsText);
return;
}
final args = (jsonDecode(argsText) as Map).cast<String, dynamic>();
final accepted = await _wechat.pay(
which: Payment(
appId: payment['app_id'] as String? ?? '',
partnerId: args['partnerId'] as String,
prepayId: args['prepayId'] as String,
packageValue: args['package'] as String,
nonceStr: args['nonceStr'] as String,
timestamp: int.parse(args['timeStamp'] as String),
sign: args['sign'] as String,
),
);
if (!accepted) throw StateError('微信未接受支付请求');
}
}

183
apps/user_app/lib/ui/features/orders/orders_page.dart
View File

@@ -1,47 +1,172 @@
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:uuid/uuid.dart';
import '../../../data/repositories/client_repository.dart';
import '../../../data/services/payment_launcher.dart';
import '../../../domain/models/client_models.dart';
import '../shared/record_list_page.dart';
import '../shared/record_list_view_model.dart';
class OrdersPage extends StatelessWidget {
const OrdersPage({required this.repository, super.key});
OrdersPage({required this.repository, super.key});
final ClientRepository repository;
final PaymentLauncher _launcher = PaymentLauncher();
@override
Widget build(BuildContext context) => DefaultTabController(
length: 3,
child: Scaffold(
appBar: AppBar(
title: const Text('我的订单'),
bottom: const TabBar(
tabs: [
Tab(text: '商城'),
Tab(text: '供气'),
Tab(text: '服务工单'),
Future<void> _openActions(
BuildContext context,
ClientRecord record,
String business,
) async {
final action = await showModalBottomSheet<String>(
context: context,
builder: (context) => SafeArea(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
if (record.status == 16 || record.status == 18) ...[
ListTile(
title: const Text('支付宝支付'),
onTap: () => Navigator.pop(context, 'alipay'),
),
ListTile(
title: const Text('微信支付'),
onTap: () => Navigator.pop(context, 'wechat'),
),
],
if (record.status == 18 || record.status == 35)
ListTile(
title: const Text('申请退款'),
onTap: () => Navigator.pop(context, 'refund'),
),
],
),
),
body: TabBarView(
children: [
RecordListPage(
title: '商城订单',
eyebrow: '交易',
viewModel: RecordListViewModel(repository.shopOrders),
);
if (action == null || !context.mounted) return;
try {
if (action == 'refund') {
final reason = await _reason(context);
if (reason == null || !context.mounted) return;
final rawItems = record.raw['items'] as List? ?? const [];
await repository.createRefund(
business: business,
identity: record.identity,
requestNo: const Uuid().v7(),
reason: reason,
items: rawItems.map((item) {
final value = (item as Map).cast<String, Object?>();
return <String, Object?>{
'identity': value['identity'],
'quantity': value['quantity'] ?? 1,
};
}).toList(),
);
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('退款申请已提交')),
);
}
return;
}
final payment = await repository.payOrder(
business: business,
identity: record.identity,
requestNo: const Uuid().v7(),
channel: action,
payType: kIsWeb
? (action == 'alipay' ? 'wap' : 'jsapi')
: 'app',
openid: kIsWeb && action == 'wechat'
? Uri.base.queryParameters['openid'] ?? ''
: '',
);
await _launcher.launch(payment);
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('支付结果确认中，请稍后刷新')),
);
}
} catch (error) {
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(error.toString())),
);
}
}
}
Future<String?> _reason(BuildContext context) async {
final controller = TextEditingController();
final value = await showDialog<String>(
context: context,
builder: (context) => AlertDialog(
title: const Text('申请退款'),
content: TextField(
controller: controller,
maxLines: 3,
decoration: const InputDecoration(labelText: '退款原因'),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('取消'),
),
RecordListPage(
title: '供气订单',
eyebrow: '履约',
viewModel: RecordListViewModel(repository.gasOrders),
),
RecordListPage(
title: '服务工单',
eyebrow: '服务',
viewModel: RecordListViewModel(repository.tickets),
FilledButton(
onPressed: () => Navigator.pop(context, controller.text.trim()),
child: const Text('提交'),
),
],
),
),
);
);
controller.dispose();
return value?.isEmpty == true ? null : value;
}
@override
Widget build(BuildContext context) => DefaultTabController(
length: 4,
child: Scaffold(
appBar: AppBar(
title: const Text('我的订单'),
bottom: const TabBar(
tabs: [
Tab(text: '商城'),
Tab(text: '供气'),
Tab(text: '退款'),
Tab(text: '工单'),
],
),
),
body: TabBarView(
children: [
RecordListPage(
title: '商城订单',
eyebrow: '交易',
viewModel: RecordListViewModel(repository.shopOrders),
onRecordTap: (record) =>
_openActions(context, record, 'shop'),
),
RecordListPage(
title: '供气订单',
eyebrow: '履约',
viewModel: RecordListViewModel(repository.gasOrders),
onRecordTap: (record) =>
_openActions(context, record, 'gas'),
),
RecordListPage(
title: '退款记录',
eyebrow: '资金',
viewModel: RecordListViewModel(repository.refunds),
),
RecordListPage(
title: '服务工单',
eyebrow: '服务',
viewModel: RecordListViewModel(repository.tickets),
),
],
),
),
);
}

8
apps/user_app/lib/ui/features/shared/record_list_page.dart
View File

@@ -1,6 +1,7 @@
import 'package:flutter/material.dart';
import '../../core/widgets.dart';
import '../../../domain/models/client_models.dart';
import 'record_list_view_model.dart';
class RecordListPage extends StatefulWidget {
@@ -10,6 +11,7 @@ class RecordListPage extends StatefulWidget {
required this.viewModel,
this.description,
this.floatingActionButton,
this.onRecordTap,
super.key,
});
@@ -18,6 +20,7 @@ class RecordListPage extends StatefulWidget {
final String? description;
final RecordListViewModel viewModel;
final Widget? floatingActionButton;
final ValueChanged<ClientRecord>? onRecordTap;
@override
State<RecordListPage> createState() => _RecordListPageState();
@@ -74,7 +77,10 @@ class _RecordListPageState extends State<RecordListPage> {
else
SliverList.builder(
itemCount: state.records.length,
itemBuilder: (context, index) => RecordCard(record: state.records[index]),
itemBuilder: (context, index) => RecordCard(
record: state.records[index],
onTap: widget.onRecordTap == null ? null : () => widget.onRecordTap!(state.records[index]),
),
),
const SliverPadding(padding: EdgeInsets.only(bottom: 24)),
],