feat: integrate unified payment and wallet refunds

apps/user_app/lib/ui/features/orders/orders_page.dart

@@ -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),
+              ),
+            ],
+          ),
+        ),
+      );
 }

apps/user_app/lib/ui/features/shared/record_list_page.dart

@@ -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)),
             ],