wangjia
474 lines
18 KiB
Dart
474 lines
18 KiB
Dart
// screens/settings/purchase_card.dart — App 内在线购买/续费授权（内联卡片）。
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// 流程：套餐选择（标准/首月特惠/高级，非特惠可切月付/年付）→ POST /license/purchase
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// 下单 → 外部浏览器打开 pay 收银台（移动端由系统拉起支付宝 App）→ 本卡片轮询
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// GET /license/purchase/:otn，webhook 续期到账后自动刷新授权并展示新到期日。
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// 价格仅展示，实付以 pay 侧套餐表为准（下单响应回传 amount）。
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import 'dart:async';
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import 'dart:io' show Platform;
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import 'package:flutter/foundation.dart' show kIsWeb;
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:intl/intl.dart';
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import 'package:lucide_icons_flutter/lucide_icons.dart';
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import 'package:qr_flutter/qr_flutter.dart';
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import 'package:url_launcher/url_launcher.dart';
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import '../../core/config/license_plans.dart';
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import '../../core/theme/app_dims.g.dart';
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import '../../core/theme/app_fonts.dart';
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import '../../core/theme/app_tokens.dart';
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import '../../core/theme/context_tokens.dart';
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import '../../core/utils/money.dart';
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import '../../providers/license_provider.dart';
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import '../../widgets/ds/ds_atoms.dart';
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import '../../widgets/ds/ds_toast.dart';
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enum _Phase { pick, waiting, success }
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/// 在线购买/续费卡片内容（由设置页包进 _SettingsCard，仅管理员可见）。
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class PurchaseCard extends ConsumerStatefulWidget {
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const PurchaseCard({super.key});
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@override
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ConsumerState<PurchaseCard> createState() => _PurchaseCardState();
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}
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class _PurchaseCardState extends ConsumerState<PurchaseCard> {
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_Phase _phase = _Phase.pick;
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int _tabIdx = 0; // 0=首月特惠 1=标准版 2=高级版
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int _cycleIdx = 0; // 0=年付 1=月付
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bool _submitting = false;
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bool _checking = false;
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bool _promoUsed = false; // 首月特惠每店限一次，已享用则置灰（服务端仍强校验）
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PurchaseOrder? _order;
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DateTime? _newExpiresAt;
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Timer? _pollTimer;
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bool get _isPromo => _tabIdx == 0;
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LicensePlanGroup get _group =>
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_tabIdx == 1 ? LicensePlans.standard : LicensePlans.pro;
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LicensePlan get _plan => _isPromo
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? LicensePlans.promo
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: (_cycleIdx == 0 ? _group.annual : _group.monthly);
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String get _cycleLabel => _cycleIdx == 0 ? '年付' : '月付';
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@override
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void initState() {
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super.initState();
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ref.read(licenseRepositoryProvider).promoUsed().then((used) {
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// 已享受过特惠：置灰并把默认选中切到「高级版 · 年付」
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if (mounted && used) {
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setState(() {
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_promoUsed = true;
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if (_phase == _Phase.pick && _isPromo) {
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_tabIdx = 2;
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_cycleIdx = 0;
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}
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});
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}
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});
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}
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@override
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void dispose() {
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_pollTimer?.cancel();
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super.dispose();
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}
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/// 终端类型（契约 v1.1.0）：手机 App 显式声明 mobile 让 pay 出「手机网站支付」
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/// 收银台（H5 拉起支付宝 App）；桌面 App 声明 pc（扫码页）；Web 端不传，
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/// 后端按浏览器真实 UA 判断。kIsWeb 判断先于 dart:io（项目规则）。
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String? get _clientType {
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if (kIsWeb) return null;
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return (Platform.isIOS || Platform.isAndroid) ? 'mobile' : 'pc';
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}
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Future<void> _submit() async {
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setState(() => _submitting = true);
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try {
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final order = await ref
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.read(licenseRepositoryProvider)
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.createPurchase(_plan.bizCode, clientType: _clientType);
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// pay v2 收银台会话按 render_type 分发：redirect 外跳外部浏览器（桌面进
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// 网页支付，移动端 wap 收银台自动拉起支付宝 App）；qr 不外跳，本卡片
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// waiting 态内嵌二维码（pay 侧当前未实现该分支，向前预留）；未知类型
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// 视为客户端版本落后于协议，提示升级并复位，不进入 waiting 态。
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switch (order.renderType) {
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case 'redirect':
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await launchUrl(Uri.parse(order.redirectUrl),
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mode: LaunchMode.externalApplication);
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case 'qr':
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break;
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default:
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if (!mounted) return;
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setState(() => _submitting = false);
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showDsToast(context, '当前版本暂不支持该支付方式，请升级应用',
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bg: context.tokens.danger);
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return;
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}
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if (!mounted) return;
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setState(() {
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_order = order;
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_phase = _Phase.waiting;
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_submitting = false;
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});
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_pollTimer = Timer.periodic(const Duration(seconds: 3), (_) => _poll());
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} catch (e) {
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if (!mounted) return;
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setState(() => _submitting = false);
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showDsToast(context, '下单失败：$e', bg: context.tokens.danger);
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}
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}
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Future<void> _poll({bool manual = false}) async {
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final order = _order;
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if (order == null || _checking) return;
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_checking = true;
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try {
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final st = await ref
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.read(licenseRepositoryProvider)
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.purchaseStatus(order.outTradeNo);
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if (!mounted) return;
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if (st.isPaid) {
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_pollTimer?.cancel();
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ref.invalidate(licenseProvider);
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setState(() {
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_newExpiresAt = st.expiresAt;
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_phase = _Phase.success;
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// 购买完成后，选择页默认落到 高级版·年付（特惠只能买一次，
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// 后续复购/升级的主推档位）；本次若是特惠单，本店已享用置灰
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if (_isPromo) _promoUsed = true;
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_tabIdx = 2;
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_cycleIdx = 0;
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});
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} else if (manual) {
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showDsToast(context, '尚未确认到账，支付完成后通常数秒内到账');
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}
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} catch (e) {
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if (mounted && manual) {
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showDsToast(context, '查询失败：$e', bg: context.tokens.danger);
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}
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} finally {
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_checking = false;
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}
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}
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/// 回到套餐选择（仅停止本地轮询，不影响已支付订单到账）。
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/// waiting 态下的订单仍是 pending（重新选择/放弃本单），fire-and-forget
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/// 取消，防止 pending 单堆积；取消失败静默——服务端 reconcile 任务兜底
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/// 清理超时单。success 态点「完成」不带 pending 单，不触发取消。
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void _backToPick() {
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_pollTimer?.cancel();
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final otn = _order?.outTradeNo;
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if (_phase == _Phase.waiting && otn != null && otn.isNotEmpty) {
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ref.read(licenseRepositoryProvider).cancelPurchase(otn).catchError((_) {
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return false;
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});
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}
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setState(() {
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_order = null;
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_newExpiresAt = null;
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_phase = _Phase.pick;
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});
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}
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@override
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Widget build(BuildContext context) {
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final t = context.tokens;
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// 与授权卡兑换区一致收窄内容宽度，避免宽屏卡片内元素拉伸过长
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return ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 560),
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child: switch (_phase) {
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_Phase.pick => _buildPick(t),
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_Phase.waiting => _buildWaiting(t),
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_Phase.success => _buildSuccess(t),
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},
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);
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}
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Widget _buildPick(AppTokens t) {
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final promoGrayed = _isPromo && _promoUsed;
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final feats = _isPromo ? LicensePlans.promoFeats : _group.feats;
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return Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Wrap(spacing: 10, runSpacing: 8, children: [
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DsSeg(
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items: [
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_promoUsed ? '首月特惠（已享受）' : '🔥 首月特惠 ¥1',
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'标准版',
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'高级版',
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],
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index: _tabIdx,
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onChanged: (i) => setState(() => _tabIdx = i),
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),
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if (!_isPromo)
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DsSeg(
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items: const ['年付 · 省 2 个月', '月付'],
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index: _cycleIdx,
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onChanged: (i) => setState(() => _cycleIdx = i),
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),
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]),
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const SizedBox(height: 14),
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if (_isPromo) ...[
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: promoGrayed ? t.bg : t.warnBg,
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border: Border.all(color: promoGrayed ? t.border : t.warn),
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borderRadius: BorderRadius.circular(AppDims.rMd),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(promoGrayed ? '本店已享受过首月特惠' : '新店专享 · 仅 ¥1 体验 30 天',
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style: TextStyle(
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fontSize: AppDims.fsBody,
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fontWeight: FontWeight.w700,
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color: promoGrayed ? t.faint : t.warn)),
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const SizedBox(height: 3),
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Text(
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promoGrayed
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? '首月特惠每个门店限购一次，可选择标准版或高级版继续续费。'
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: '解锁标准版全部功能，原价 ¥299，每个门店限购一次——试过才知道多省心。',
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style: TextStyle(
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fontSize: AppDims.fsSm,
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color: promoGrayed ? t.faint : t.text)),
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],
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),
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),
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const SizedBox(height: 10),
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],
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: t.bg,
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border: Border.all(color: t.border),
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borderRadius: BorderRadius.circular(AppDims.rMd),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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for (final f in feats)
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Padding(
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padding: const EdgeInsets.symmetric(vertical: 3),
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child: Row(children: [
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Icon(LucideIcons.check,
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size: 14, color: promoGrayed ? t.faint : t.success),
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const SizedBox(width: 8),
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Expanded(
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child: Text(f,
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style: TextStyle(
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fontSize: AppDims.fsSm,
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color: promoGrayed ? t.faint : t.text))),
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]),
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),
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],
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),
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),
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const SizedBox(height: 14),
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Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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Expanded(
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child: Text(
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_isPromo
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? '首月特惠 · ${_plan.days} 天授权'
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: '${_group.name} · $_cycleLabel · ${_plan.days} 天授权',
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style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
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),
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if (_isPromo) ...[
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Text('¥${_fmt(LicensePlans.promoOriginalPrice)}',
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style: TextStyle(
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fontSize: AppDims.fsSm,
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color: t.faint,
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decoration: TextDecoration.lineThrough,
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fontFamily: AppFonts.mono,
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fontFamilyFallback: AppFonts.monoFallback)),
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const SizedBox(width: 8),
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],
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// 年付划线展示月付×12 原价，直观看到省 2 个月
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if (!_isPromo && _cycleIdx == 0) ...[
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Text('¥${_fmt(_group.monthly.price * 12)}',
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style: TextStyle(
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fontSize: AppDims.fsSm,
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color: t.faint,
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decoration: TextDecoration.lineThrough,
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fontFamily: AppFonts.mono,
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fontFamilyFallback: AppFonts.monoFallback)),
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const SizedBox(width: 8),
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],
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Text('¥${_fmt(_plan.price)}',
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style: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.w700,
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color: promoGrayed
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? t.faint
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: _isPromo
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? t.warn
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: t.heading,
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fontFamily: AppFonts.mono,
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fontFamilyFallback: AppFonts.monoFallback)),
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],
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),
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if (!_isPromo && _cycleIdx == 0) ...[
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const SizedBox(height: 6),
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Text(
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'月付 ¥${_fmt(_group.monthly.price)} × 12 个月 = ¥${_fmt(_group.monthly.price * 12)}，'
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'年付立省 ¥${_fmt(_group.monthly.price * 12 - _group.annual.price)}，相当于免费用 2 个月',
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style: TextStyle(fontSize: AppDims.fsXs, color: t.success)),
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],
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const SizedBox(height: 6),
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Text('到期时间自动叠加，未到期续费不吃亏 · 支付宝支付',
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style: TextStyle(fontSize: AppDims.fsXs, color: t.faint)),
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const SizedBox(height: 12),
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Align(
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alignment: Alignment.centerRight,
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child: DsButton(
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_submitting
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? '正在创建订单…'
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: _isPromo && _promoUsed
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? '本店已享受过'
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: '提交订单 · ¥${_fmt(_plan.price)}',
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variant: DsBtnVariant.primary,
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onPressed:
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_submitting || (_isPromo && _promoUsed) ? null : _submit),
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),
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],
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);
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}
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Widget _buildWaiting(AppTokens t) {
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final isQr = _order?.renderType == 'qr';
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final amountMinor = _order?.amountMinor ?? 0;
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final amountText = amountMinor > 0 ? '¥${yuanFromMinor(amountMinor)}' : '—';
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return Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(children: [
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SizedBox(
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width: 18,
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height: 18,
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child: CircularProgressIndicator(strokeWidth: 2, color: t.primary),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Text(
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isQr
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? '打开支付宝扫码支付，完成后本卡片自动确认到账。'
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: '已在浏览器打开支付宝收银台，完成支付后本卡片会自动确认到账。',
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style: TextStyle(fontSize: AppDims.fsSm, color: t.text)),
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),
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]),
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if (isQr) ...[
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const SizedBox(height: 12),
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Center(
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child: Container(
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width: 180,
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height: 180,
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padding: const EdgeInsets.all(10),
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decoration: BoxDecoration(
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color: t.bg,
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border: Border.all(color: t.border),
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borderRadius: BorderRadius.circular(AppDims.rMd),
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),
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child: (_order?.qrContent ?? '').isEmpty
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? Icon(LucideIcons.qrCode, size: 48, color: t.faint)
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: QrImageView(data: _order!.qrContent, size: 160),
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),
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),
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],
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const SizedBox(height: 14),
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: t.bg,
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border: Border.all(color: t.borderSubtle),
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borderRadius: BorderRadius.circular(AppDims.rMd),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('订单号',
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style: TextStyle(fontSize: AppDims.fsXs, color: t.muted)),
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const SizedBox(height: 4),
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Text(_order?.outTradeNo ?? '—',
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style: const TextStyle(
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fontSize: AppDims.fsSm,
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fontFamily: AppFonts.mono,
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fontFamilyFallback: AppFonts.monoFallback)),
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const SizedBox(height: 8),
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Text('金额 $amountText',
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style: TextStyle(fontSize: AppDims.fsSm, color: t.text)),
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],
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),
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),
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const SizedBox(height: 10),
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Text('离开本页不影响到账：支付成功后授权自动续期，可稍后回本页刷新查看。',
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style: TextStyle(fontSize: AppDims.fsXs, color: t.faint)),
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const SizedBox(height: 12),
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Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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DsButton('重新选择', onPressed: _backToPick),
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const SizedBox(width: 10),
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DsButton('我已完成支付',
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variant: DsBtnVariant.primary,
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onPressed: () => _poll(manual: true)),
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],
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),
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],
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);
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}
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Widget _buildSuccess(AppTokens t) {
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final expires = _newExpiresAt != null
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? DateFormat('yyyy-MM-dd').format(_newExpiresAt!)
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: null;
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return Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(children: [
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Container(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
|
||
color: t.okSoft,
|
||
borderRadius: BorderRadius.circular(AppDims.rMd),
|
||
),
|
||
child: Icon(LucideIcons.check, size: 20, color: t.success),
|
||
),
|
||
const SizedBox(width: 12),
|
||
Expanded(
|
||
child: Text(expires != null ? '门店授权已续期至 $expires。' : '门店授权已续期。',
|
||
style: TextStyle(
|
||
fontSize: AppDims.fsTitle,
|
||
fontWeight: FontWeight.w600,
|
||
color: t.heading)),
|
||
),
|
||
]),
|
||
const SizedBox(height: 10),
|
||
Text('订单号 ${_order?.outTradeNo ?? '—'}',
|
||
style: TextStyle(fontSize: AppDims.fsXs, color: t.muted)),
|
||
const SizedBox(height: 12),
|
||
Align(
|
||
alignment: Alignment.centerRight,
|
||
child: DsButton('完成', onPressed: _backToPick),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
static String _fmt(int n) => n
|
||
.toString()
|
||
.replaceAllMapped(RegExp(r'(\d)(?=(\d{3})+$)'), (m) => '${m[1]},');
|
||
}
|