564 lines
17 KiB
Dart
564 lines
17 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/services/notification_service.dart';
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import '../../providers/notification_providers.dart';
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import '../../providers/user_providers.dart';
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/// 通知收件箱页面
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///
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/// 展示当前用户的所有通知列表，支持：
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/// - 下拉刷新
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/// - 点击查看详情并自动标记已读
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/// - 右上角"全部已读"按钮
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/// - 空状态 / 错误状态 / 加载状态
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///
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/// 适配 2.0 mining-app 的 dark/light 主题。
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class NotificationInboxPage extends ConsumerStatefulWidget {
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const NotificationInboxPage({super.key});
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@override
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ConsumerState<NotificationInboxPage> createState() =>
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_NotificationInboxPageState();
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}
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class _NotificationInboxPageState extends ConsumerState<NotificationInboxPage> {
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/// 通知列表
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List<NotificationItem> _notifications = [];
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/// 未读数量
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int _unreadCount = 0;
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/// 是否正在加载
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bool _isLoading = true;
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/// 错误信息
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String? _error;
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// ── 品牌色 ──
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static const Color _orange = Color(0xFFFF6B00);
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@override
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void initState() {
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super.initState();
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_loadNotifications();
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}
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/// 从后端加载通知列表
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Future<void> _loadNotifications() async {
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setState(() {
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_isLoading = true;
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_error = null;
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});
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try {
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final accountSequence = ref.read(currentAccountSequenceProvider);
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if (accountSequence == null || accountSequence.isEmpty) {
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setState(() {
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_error = '用户未登录';
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_isLoading = false;
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});
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return;
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}
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final notificationService = ref.read(notificationServiceProvider);
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final response = await notificationService.getNotifications(
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userSerialNum: accountSequence,
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);
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if (mounted) {
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setState(() {
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_notifications = response.notifications;
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_unreadCount = response.unreadCount;
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_isLoading = false;
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});
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}
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} catch (e) {
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if (mounted) {
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setState(() {
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_error = '加载通知失败';
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_isLoading = false;
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});
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}
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}
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}
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/// 标记单条通知为已读
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Future<void> _markAsRead(NotificationItem notification) async {
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if (notification.isRead) return;
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final accountSequence = ref.read(currentAccountSequenceProvider);
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if (accountSequence == null || accountSequence.isEmpty) return;
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final notificationService = ref.read(notificationServiceProvider);
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final success = await notificationService.markAsRead(
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userSerialNum: accountSequence,
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notificationId: notification.id,
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);
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if (success && mounted) {
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setState(() {
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final index = _notifications.indexWhere((n) => n.id == notification.id);
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if (index != -1) {
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_notifications[index] = NotificationItem(
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id: notification.id,
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title: notification.title,
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content: notification.content,
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type: notification.type,
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priority: notification.priority,
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imageUrl: notification.imageUrl,
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linkUrl: notification.linkUrl,
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publishedAt: notification.publishedAt,
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isRead: true,
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readAt: DateTime.now(),
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requiresForceRead: notification.requiresForceRead,
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);
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_unreadCount = (_unreadCount - 1).clamp(0, _unreadCount);
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}
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});
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// 同步更新全局未读角标
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ref.read(notificationBadgeProvider.notifier).decrementCount();
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}
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}
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/// 标记所有通知为已读
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Future<void> _markAllAsRead() async {
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if (_unreadCount == 0) return;
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final accountSequence = ref.read(currentAccountSequenceProvider);
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if (accountSequence == null || accountSequence.isEmpty) return;
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final notificationService = ref.read(notificationServiceProvider);
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final success = await notificationService.markAllAsRead(
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userSerialNum: accountSequence,
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);
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if (success && mounted) {
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setState(() {
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_notifications = _notifications.map((n) {
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if (!n.isRead) {
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return NotificationItem(
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id: n.id,
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title: n.title,
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content: n.content,
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type: n.type,
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priority: n.priority,
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imageUrl: n.imageUrl,
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linkUrl: n.linkUrl,
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publishedAt: n.publishedAt,
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isRead: true,
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readAt: DateTime.now(),
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requiresForceRead: n.requiresForceRead,
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);
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}
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return n;
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}).toList();
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_unreadCount = 0;
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});
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// 同步清空全局未读角标
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ref.read(notificationBadgeProvider.notifier).clearCount();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('已全部标记为已读'),
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backgroundColor: _orange,
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),
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);
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}
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}
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}
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/// 显示通知详情弹窗
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void _showNotificationDetail(NotificationItem notification) {
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// 先标记为已读
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_markAsRead(notification);
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final isDark = Theme.of(context).brightness == Brightness.dark;
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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backgroundColor: isDark ? const Color(0xFF1F2937) : Colors.white,
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title: Row(
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children: [
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Text(
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notification.typeIcon,
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style: const TextStyle(fontSize: 20),
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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notification.title,
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w600,
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color: isDark ? const Color(0xFFE5E7EB) : const Color(0xFF1F2937),
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),
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),
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),
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],
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),
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content: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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notification.content,
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style: TextStyle(
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fontSize: 14,
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color: isDark ? const Color(0xFF9CA3AF) : const Color(0xFF6B7280),
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height: 1.5,
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),
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),
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const SizedBox(height: 16),
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Text(
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_formatTime(notification.publishedAt),
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style: TextStyle(
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fontSize: 12,
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color: isDark ? const Color(0xFF6B7280) : const Color(0xFFBDBDBD),
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),
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),
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],
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),
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(),
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child: const Text(
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'关闭',
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style: TextStyle(color: _orange),
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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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/// 格式化相对时间
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String _formatTime(DateTime? dateTime) {
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if (dateTime == null) return '';
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final now = DateTime.now();
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final diff = now.difference(dateTime);
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if (diff.inMinutes < 1) {
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return '刚刚';
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} else if (diff.inHours < 1) {
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return '${diff.inMinutes}分钟前';
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} else if (diff.inDays < 1) {
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return '${diff.inHours}小时前';
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} else if (diff.inDays < 7) {
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return '${diff.inDays}天前';
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} else {
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return '${dateTime.month}月${dateTime.day}日';
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}
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}
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/// 获取类型颜色
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Color _getTypeColor(NotificationType type) {
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switch (type) {
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case NotificationType.system:
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return const Color(0xFF6B7280);
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case NotificationType.activity:
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return _orange;
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case NotificationType.reward:
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return const Color(0xFFF59E0B);
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case NotificationType.upgrade:
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return const Color(0xFF10B981);
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case NotificationType.announcement:
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return const Color(0xFF3B82F6);
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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 isDark = Theme.of(context).brightness == Brightness.dark;
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return Scaffold(
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backgroundColor: isDark ? const Color(0xFF111827) : const Color(0xFFF3F4F6),
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body: SafeArea(
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child: Column(
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children: [
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_buildAppBar(isDark),
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Expanded(
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child: _isLoading
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? const Center(
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child: CircularProgressIndicator(
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valueColor: AlwaysStoppedAnimation<Color>(_orange),
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),
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)
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: _error != null
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? _buildErrorView(isDark)
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: _notifications.isEmpty
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? _buildEmptyView(isDark)
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: _buildNotificationList(isDark),
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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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/// 自定义 AppBar
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Widget _buildAppBar(bool isDark) {
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return Container(
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height: 56,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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color: isDark ? const Color(0xFF1F2937) : Colors.white,
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child: Row(
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children: [
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GestureDetector(
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onTap: () => context.pop(),
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child: Container(
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width: 40,
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height: 40,
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alignment: Alignment.center,
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child: Icon(
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Icons.arrow_back,
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size: 24,
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color: isDark ? const Color(0xFFE5E7EB) : const Color(0xFF1F2937),
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),
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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: Text(
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'通知中心',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w600,
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color: isDark ? const Color(0xFFE5E7EB) : const Color(0xFF1F2937),
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),
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),
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),
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// 全部已读按钮
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if (_unreadCount > 0)
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GestureDetector(
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onTap: _markAllAsRead,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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color: _orange.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(16),
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),
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child: const Text(
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'全部已读',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: _orange,
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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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/// 空状态视图
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Widget _buildEmptyView(bool isDark) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.notifications_none,
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size: 64,
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color: isDark ? Colors.grey.shade700 : Colors.grey.shade300,
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),
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const SizedBox(height: 16),
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Text(
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'暂无通知',
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style: TextStyle(
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fontSize: 16,
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color: isDark ? Colors.grey.shade600 : Colors.grey.shade500,
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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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/// 错误状态视图
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Widget _buildErrorView(bool isDark) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.error_outline,
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size: 64,
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color: isDark ? Colors.grey.shade700 : Colors.grey.shade300,
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),
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const SizedBox(height: 16),
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Text(
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_error ?? '加载失败',
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style: TextStyle(
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fontSize: 16,
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color: isDark ? Colors.grey.shade600 : Colors.grey.shade500,
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),
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),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: _loadNotifications,
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style: ElevatedButton.styleFrom(
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backgroundColor: _orange,
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),
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child: const Text('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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/// 通知列表（支持下拉刷新）
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Widget _buildNotificationList(bool isDark) {
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return RefreshIndicator(
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onRefresh: _loadNotifications,
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color: _orange,
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child: ListView.separated(
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padding: const EdgeInsets.all(16),
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itemCount: _notifications.length,
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separatorBuilder: (context, index) => const SizedBox(height: 12),
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itemBuilder: (context, index) {
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final notification = _notifications[index];
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return _buildNotificationCard(notification, isDark);
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},
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),
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);
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}
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/// 单条通知卡片
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Widget _buildNotificationCard(NotificationItem notification, bool isDark) {
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return GestureDetector(
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onTap: () => _showNotificationDetail(notification),
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child: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: notification.isRead
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? (isDark ? const Color(0xFF1F2937) : Colors.white)
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: (isDark ? const Color(0xFF374151) : const Color(0xFFFFF3E0)),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(
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color: notification.isRead
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? (isDark ? const Color(0xFF374151) : const Color(0xFFE0E0E0))
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: _orange.withValues(alpha: 0.3),
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width: 1,
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),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: isDark ? 0.15 : 0.05),
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blurRadius: 4,
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offset: const Offset(0, 2),
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),
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],
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 类型图标圆圈
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Container(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
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color: _getTypeColor(notification.type).withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(20),
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),
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child: Center(
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child: Text(
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notification.typeIcon,
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style: const TextStyle(fontSize: 20),
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),
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),
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),
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const SizedBox(width: 12),
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// 内容区域
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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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// 未读红点
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if (!notification.isRead)
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Container(
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width: 8,
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height: 8,
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margin: const EdgeInsets.only(right: 8),
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decoration: const BoxDecoration(
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color: _orange,
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shape: BoxShape.circle,
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),
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),
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// 标题
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Expanded(
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child: Text(
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notification.title,
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style: TextStyle(
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fontSize: 15,
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fontWeight: notification.isRead
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? FontWeight.w500
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: FontWeight.w600,
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color: isDark ? const Color(0xFFE5E7EB) : const Color(0xFF1F2937),
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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],
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),
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const SizedBox(height: 4),
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// 内容预览
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Text(
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notification.content,
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style: TextStyle(
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fontSize: 13,
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color: notification.isRead
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? (isDark ? const Color(0xFF6B7280) : const Color(0xFFBDBDBD))
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: (isDark ? const Color(0xFF9CA3AF) : const Color(0xFF6B7280)),
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height: 1.4,
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 8),
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// 类型标签 + 时间
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Row(
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children: [
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Text(
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notification.typeName,
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style: TextStyle(
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fontSize: 11,
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color: _getTypeColor(notification.type),
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fontWeight: FontWeight.w500,
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),
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),
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const SizedBox(width: 8),
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Text(
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_formatTime(notification.publishedAt),
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style: TextStyle(
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fontSize: 11,
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color: isDark ? const Color(0xFF6B7280) : const Color(0xFFBDBDBD),
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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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// 右箭头
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Icon(
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Icons.chevron_right,
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size: 20,
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color: isDark ? const Color(0xFF6B7280) : const Color(0xFFBDBDBD),
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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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