322 lines
9.9 KiB
Dart
322 lines
9.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import '../../core/theme/app_theme.dart';
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import '../../providers/auth_provider.dart';
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import '../../providers/notification_provider.dart';
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import '../../services/notification_service.dart';
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import '../feed/widgets/feed_overlays.dart';
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/// 消息通知页（《03-接口文档》10.2~10.4）：
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/// 类型筛选 + 触底分页 + 单条/全部已读；审核结果跳我的作品，提现进度跳资产页
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class NotificationsScreen extends ConsumerStatefulWidget {
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const NotificationsScreen({super.key});
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@override
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ConsumerState<NotificationsScreen> createState() =>
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_NotificationsScreenState();
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}
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class _NotificationsScreenState extends ConsumerState<NotificationsScreen> {
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final _scroll = ScrollController();
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static const List<Map<String, dynamic>> _filters = [
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{'label': '全部', 'value': null},
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{'label': '审核', 'value': 1},
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{'label': '提现', 'value': 2},
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{'label': '公告', 'value': 3},
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{'label': '回复', 'value': 4},
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];
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@override
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void initState() {
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super.initState();
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_scroll.addListener(_onScroll);
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}
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@override
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void dispose() {
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_scroll.dispose();
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super.dispose();
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}
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void _onScroll() {
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if (_scroll.position.pixels >= _scroll.position.maxScrollExtent - 200) {
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ref.read(notificationsProvider.notifier).loadMore();
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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 isLoggedIn = ref.watch(authProvider).isLoggedIn;
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if (!isLoggedIn) {
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return Scaffold(
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appBar: AppBar(title: const Text('消息通知')),
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body: _GuestGuide(onLogin: () => context.push('/login')),
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);
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}
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final state = ref.watch(notificationsProvider);
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return Scaffold(
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appBar: AppBar(
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title: const Text('消息通知'),
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actions: [
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TextButton(
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onPressed: state.markingAll || state.items.isEmpty
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? null
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: () => _markAll(context),
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child: const Text('全部已读'),
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),
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],
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),
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body: Column(
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children: [
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// 类型筛选
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SizedBox(
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height: 52,
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child: ListView(
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scrollDirection: Axis.horizontal,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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children: _filters.map((f) {
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final active = state.type == f['value'];
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return Padding(
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padding: const EdgeInsets.only(right: 8),
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child: ChoiceChip(
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label: Text(f['label'] as String),
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selected: active,
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onSelected: (_) => ref
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.read(notificationsProvider.notifier)
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.setType(f['value'] as int?),
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selectedColor: AppColors.primary,
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backgroundColor: AppColors.surface,
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labelStyle: TextStyle(
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color: active ? Colors.white : AppColors.textSecondary,
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),
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),
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);
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}).toList(),
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),
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),
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Expanded(child: _buildBody(state)),
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],
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),
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);
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}
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Widget _buildBody(NotificationsState state) {
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if (state.isLoading && state.items.isEmpty) {
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return const Center(child: CircularProgressIndicator());
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}
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if (state.loadFailed && state.items.isEmpty) {
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return _LoadFailed(
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onRetry: () => ref.read(notificationsProvider.notifier).load(),
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);
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}
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if (state.items.isEmpty) {
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return const Center(
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child: Text('暂无消息', style: TextStyle(color: AppColors.textWeak)),
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);
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}
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return RefreshIndicator(
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onRefresh: () => ref.read(notificationsProvider.notifier).load(),
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child: ListView.separated(
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controller: _scroll,
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padding: const EdgeInsets.symmetric(vertical: 8),
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itemCount: state.items.length + (state.hasMore ? 1 : 0),
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separatorBuilder: (_, __) => const Divider(height: 1, indent: 16),
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itemBuilder: (context, index) {
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if (index >= state.items.length) {
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return const Padding(
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padding: EdgeInsets.all(16),
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child: Center(
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child: SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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),
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),
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);
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}
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final item = state.items[index];
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return _NotificationTile(
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item: item,
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onTap: () => _onTapItem(item),
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);
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},
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),
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);
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}
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Future<void> _onTapItem(NotificationItem item) async {
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await ref.read(notificationsProvider.notifier).markOneRead(item);
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if (!mounted) return;
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// 按类型跳关联页面
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switch (item.type) {
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case 1: // 审核结果 → 我的作品
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context.push('/mine/works');
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break;
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case 2: // 提现进度 → 资产页
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context.push('/assets');
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break;
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default:
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break;
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}
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}
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Future<void> _markAll(BuildContext context) async {
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try {
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await ref.read(notificationsProvider.notifier).markAllRead();
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} catch (_) {
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if (context.mounted) showTopToast(context, '操作失败，请稍后重试');
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}
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}
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}
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class _NotificationTile extends StatelessWidget {
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const _NotificationTile({required this.item, required this.onTap});
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final NotificationItem item;
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final VoidCallback onTap;
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@override
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Widget build(BuildContext context) {
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return InkWell(
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onTap: onTap,
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 未读红点
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Padding(
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padding: const EdgeInsets.only(top: 6),
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child: Icon(
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Icons.circle,
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size: 8,
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color: item.isRead ? Colors.transparent : AppColors.primary,
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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// 类型标签
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 5,
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vertical: 1,
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),
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decoration: BoxDecoration(
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color: AppColors.surface,
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borderRadius: BorderRadius.circular(3),
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),
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child: Text(
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item.typeLabel,
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style: const TextStyle(
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color: AppColors.textSecondary,
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fontSize: 10,
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),
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),
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),
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const SizedBox(width: 6),
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Expanded(
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child: Text(
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item.title,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(
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fontSize: 15,
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fontWeight: item.isRead
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? FontWeight.w400
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: FontWeight.w600,
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color: item.isRead
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? AppColors.textSecondary
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: Colors.white,
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),
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),
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),
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],
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),
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if (item.content.isNotEmpty) ...[
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const SizedBox(height: 4),
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Text(
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item.content,
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(
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color: AppColors.textSecondary,
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fontSize: 13,
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),
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),
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],
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const SizedBox(height: 4),
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Text(
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item.createdAt,
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style: const TextStyle(
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color: AppColors.textWeak,
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fontSize: 11,
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),
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),
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],
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),
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),
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],
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),
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),
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);
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}
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}
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class _GuestGuide extends StatelessWidget {
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const _GuestGuide({required this.onLogin});
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final VoidCallback onLogin;
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@override
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Widget build(BuildContext context) {
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return Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.notifications_none,
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size: 64, color: AppColors.textWeak),
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const SizedBox(height: 12),
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const Text('登录后查看消息通知',
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style: TextStyle(color: AppColors.textSecondary)),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: onLogin,
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style: ElevatedButton.styleFrom(
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minimumSize: const Size(160, 44),
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),
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child: const Text('去登录'),
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),
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],
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),
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);
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}
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}
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class _LoadFailed extends StatelessWidget {
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const _LoadFailed({required this.onRetry});
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final VoidCallback onRetry;
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@override
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Widget build(BuildContext context) {
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return Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Text('加载失败', style: TextStyle(color: AppColors.textSecondary)),
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const SizedBox(height: 12),
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TextButton(onPressed: onRetry, child: const Text('点击重试')),
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],
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),
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);
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}
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}
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