Files
AI-Health/health_app/lib/pages/home/home_page.dart
MingNian d82e006cf4 refactor: 死代码清理 + 趋势图重构 + 侧边栏交互优化 + 智能体卡片去延迟
- 死代码清理: 删除 AppCard/AppMenuItem/AppTabChip/AppButtons 等 4 个未使用 Widget 文件; 清理 common_widgets/enterprise_widgets/app_status_badge 中未使用 class; 移除 HealthService 等未使用方法; 后端移除 ExerciseService.CreateFromItemsAsync/HealthArchiveService.GetOrCreateAsync/MedicationAgentHandler 死分支/ChatRequest DTO
- 趋势图: 直线折线 + 渐变填充 + 阴影; 去网格; X 轴日+月份; Y 轴整数刻度最多 4 个; 点击数据点/录入记录显示上方浮层; 选中点变实心
- 侧边栏: 对话记录改单选删除(灰底高亮); 操作栏浮层修复触摸问题; 常用功能/健康仪表盘间距收紧; _Panel 去外框
- 智能体: 欢迎卡片去掉 400ms 延迟; 胶囊去阴影
- 其他: api_client IP 适配; 多页面 UI 微调; 新增 chat_provider/prelaunch_guardrails 测试
2026-07-09 15:04:02 +08:00

676 lines
21 KiB
Dart
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import 'dart:io';
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:image_picker/image_picker.dart';
import 'package:file_picker/file_picker.dart';
import 'package:shadcn_ui/shadcn_ui.dart';
import '../../core/app_colors.dart';
import '../../core/app_module_visuals.dart';
import '../../core/app_theme.dart';
import '../../core/navigation_provider.dart';
import '../../providers/auth_provider.dart';
import '../../providers/chat_provider.dart';
import '../../providers/data_providers.dart';
import '../../widgets/health_drawer.dart';
import '../diet/diet_capture_page.dart';
import 'widgets/chat_messages_view.dart';
class HomePage extends ConsumerStatefulWidget {
const HomePage({super.key});
@override
ConsumerState<HomePage> createState() => _HomePageState();
}
class _HomePageState extends ConsumerState<HomePage>
with WidgetsBindingObserver {
final _textCtrl = TextEditingController();
final _scrollCtrl = ScrollController();
final _focusNode = FocusNode();
final _scaffoldKey = GlobalKey<ScaffoldState>();
double? _drawerDragStartX;
String? _pickedImagePath;
int _lastMsgCount = 0;
Timer? _notificationTimer;
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
WidgetsBinding.instance.addPostFrameCallback(
(_) => ref.invalidate(notificationUnreadCountProvider),
);
_notificationTimer = Timer.periodic(
const Duration(minutes: 2),
(_) => ref.invalidate(notificationUnreadCountProvider),
);
}
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
if (state == AppLifecycleState.resumed) {
ref.invalidate(notificationUnreadCountProvider);
}
}
@override
void didChangeMetrics() {
// 键盘动画期间每帧都会回调,让列表底部始终贴住输入区上沿
if (!_focusNode.hasFocus) return;
WidgetsBinding.instance.addPostFrameCallback((_) {
if (!mounted || !_scrollCtrl.hasClients) return;
_scrollCtrl.jumpTo(_scrollCtrl.position.maxScrollExtent);
});
}
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
_notificationTimer?.cancel();
_textCtrl.dispose();
_scrollCtrl.dispose();
_focusNode.dispose();
super.dispose();
}
void _sendMessage() {
final text = _textCtrl.text.trim();
final imagePath = _pickedImagePath;
if (text.isEmpty && imagePath == null) return;
_textCtrl.clear();
_dismissKeyboard();
setState(() => _pickedImagePath = null);
if (imagePath != null) {
ref.read(chatProvider.notifier).sendImage(imagePath, text);
} else {
ref.read(chatProvider.notifier).sendMessage(text);
}
}
@override
Widget build(BuildContext context) {
final chatState = ref.watch(chatProvider);
final auth = ref.watch(authProvider);
final user = auth.user;
ref.listen(cameraActionProvider, (prev, next) {
if (next == 'camera') {
_pickImage(ImageSource.camera);
ref.read(cameraActionProvider.notifier).clear();
} else if (next == 'gallery') {
_pickImage(ImageSource.gallery);
ref.read(cameraActionProvider.notifier).clear();
}
});
ref.listen(dietActionProvider, (prev, next) {
if (next == 'pickFoodCamera') {
_pickFoodImage(ImageSource.camera);
ref.read(dietActionProvider.notifier).clear();
} else if (next == 'pickFoodGallery') {
_pickFoodImage(ImageSource.gallery);
ref.read(dietActionProvider.notifier).clear();
}
});
final currentCount = chatState.messages.length;
if (currentCount > _lastMsgCount) {
WidgetsBinding.instance.addPostFrameCallback((_) {
if (_scrollCtrl.hasClients) {
_scrollCtrl.jumpTo(_scrollCtrl.position.maxScrollExtent);
}
});
}
_lastMsgCount = currentCount;
return Scaffold(
key: _scaffoldKey,
backgroundColor: const Color(0xFFFFFCFF),
drawer: const HealthDrawer(),
drawerEnableOpenDragGesture: false,
body: AppBackground(
safeArea: true,
child: Column(
children: [
_buildHeader(user),
Expanded(
child: Stack(
children: [
RepaintBoundary(
child: ChatMessagesView(
scrollCtrl: _scrollCtrl,
messages: chatState.messages,
),
),
Positioned(
left: 0,
top: 0,
bottom: 0,
width: MediaQuery.sizeOf(context).width * 0.8,
child: GestureDetector(
behavior: HitTestBehavior.translucent,
onHorizontalDragStart: (details) {
_drawerDragStartX = details.globalPosition.dx;
},
onHorizontalDragUpdate: (details) {
final startX = _drawerDragStartX;
if (startX == null) return;
if (details.globalPosition.dx - startX < 28) return;
_drawerDragStartX = null;
_scaffoldKey.currentState?.openDrawer();
},
onHorizontalDragEnd: (_) => _drawerDragStartX = null,
onHorizontalDragCancel: () => _drawerDragStartX = null,
),
),
],
),
),
_buildBottomBar(context),
],
),
),
);
}
Widget _buildHeader(dynamic user) {
final name = (user?.name != null && user!.name!.isNotEmpty)
? user.name
: '用户';
final unreadCount = ref.watch(notificationUnreadCountProvider).value ?? 0;
return Container(
padding: const EdgeInsets.fromLTRB(14, 10, 14, 10),
decoration: BoxDecoration(
color: Colors.white.withValues(alpha: 0.34),
border: Border(
bottom: BorderSide(color: Colors.white.withValues(alpha: 0.62)),
),
boxShadow: [
BoxShadow(
color: const Color(0xFF101828).withValues(alpha: 0.025),
blurRadius: 16,
offset: const Offset(0, 6),
),
],
),
child: Row(
children: [
Builder(
builder: (ctx) {
return _HeaderIconButton(
icon: LucideIcons.menu,
onTap: () => Scaffold.of(ctx).openDrawer(),
);
},
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'小脉健康',
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w600,
color: AppColors.textHint,
),
),
const SizedBox(height: 2),
Text(
'${_getGreeting()}$name',
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.w800,
color: AppColors.textPrimary,
),
),
],
),
),
_HeaderIconButton(
icon: LucideIcons.bell,
badgeCount: unreadCount,
onTap: () => pushRoute(ref, 'notifications'),
),
],
),
);
}
String _getGreeting() {
final hour = DateTime.now().hour;
if (hour < 9) return '早上好';
if (hour < 12) return '上午好';
if (hour < 18) return '下午好';
return '晚上好';
}
static final _agentDefs = [
ActiveAgent.consultation,
ActiveAgent.health,
ActiveAgent.diet,
ActiveAgent.medication,
ActiveAgent.report,
ActiveAgent.exercise,
];
Widget _buildAgentBar() {
final activeAgent = ref.watch(
chatProvider.select((state) => state.activeAgent),
);
return SizedBox(
height: 46,
child: ListView.separated(
scrollDirection: Axis.horizontal,
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 2),
itemCount: _agentDefs.length,
separatorBuilder: (_, _) => const SizedBox(width: 8),
itemBuilder: (_, i) {
final agent = _agentDefs[i];
final visual = _agentVisual(agent);
final selected = activeAgent == agent;
return GestureDetector(
onTap: () => ref
.read(chatProvider.notifier)
.triggerAgent(agent, visual.label),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 13, vertical: 9),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(999),
border: Border.all(
color: selected
? AppColors.auraIndigo.withValues(alpha: 0.42)
: const Color(0xFFD5DAE4),
width: selected ? 1.4 : 1.1,
),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 16,
height: 16,
decoration: BoxDecoration(
gradient: visual.gradient,
borderRadius: BorderRadius.circular(6),
),
child: Icon(visual.icon, size: 11, color: Colors.white),
),
const SizedBox(width: 6),
Text(
visual.label,
style: const TextStyle(
fontSize: 14,
fontWeight: FontWeight.w700,
color: AppColors.textPrimary,
),
),
],
),
),
);
},
),
);
}
({String label, IconData icon, LinearGradient gradient}) _agentVisual(
ActiveAgent agent,
) {
({String label, AppModuleVisual visual}) fromModule(
String label,
AppModuleVisual visual,
) => (label: label, visual: visual);
final module = switch (agent) {
ActiveAgent.health => fromModule('记数据', AppModuleVisuals.health),
ActiveAgent.diet => fromModule('拍饮食', AppModuleVisuals.diet),
ActiveAgent.medication => fromModule('药管家', AppModuleVisuals.medication),
ActiveAgent.report => fromModule('报告分析', AppModuleVisuals.report),
ActiveAgent.exercise => fromModule('运动', AppModuleVisuals.exercise),
_ => null,
};
if (module != null) {
return (
label: module.label,
icon: module.visual.icon,
gradient: module.visual.gradient,
);
}
return switch (agent) {
ActiveAgent.consultation => (
label: 'AI问诊',
icon: LucideIcons.messageCircle,
gradient: AppColors.doctorGradient,
),
_ => (
label: 'AI问诊',
icon: LucideIcons.messageCircle,
gradient: AppColors.primaryGradient,
),
};
}
Widget _buildBottomBar(BuildContext context) {
return Container(
decoration: BoxDecoration(
color: Colors.white.withValues(alpha: 0.28),
border: Border(
top: BorderSide(color: Colors.white.withValues(alpha: 0.62)),
),
),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 8),
_buildAgentBar(),
const SizedBox(height: 12),
if (_pickedImagePath != null) _buildImagePreview(),
_buildInputBar(),
],
),
);
}
Widget _buildImagePreview() {
return Container(
margin: const EdgeInsets.fromLTRB(14, 8, 14, 0),
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Colors.white.withValues(alpha: 0.9),
borderRadius: BorderRadius.circular(14),
border: Border.all(color: AppColors.borderLight),
),
child: Row(
children: [
ClipRRect(
borderRadius: BorderRadius.circular(10),
child: Image.file(
File(_pickedImagePath!),
width: 48,
height: 48,
fit: BoxFit.cover,
),
),
const SizedBox(width: 10),
const Expanded(
child: Text(
'点击发送图片',
style: TextStyle(fontSize: 14, color: AppColors.textSecondary),
),
),
GestureDetector(
onTap: () => setState(() => _pickedImagePath = null),
child: const Icon(Icons.close, size: 20, color: AppColors.textHint),
),
],
),
);
}
Widget _buildInputBar() {
return Padding(
padding: const EdgeInsets.fromLTRB(12, 0, 12, 10),
child: Row(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
_RoundToolButton(
icon: LucideIcons.plus,
onTap: () => _showAttachmentPicker(context),
),
const SizedBox(width: 8),
Expanded(
child: ConstrainedBox(
constraints: const BoxConstraints(maxHeight: 118),
child: TextField(
controller: _textCtrl,
focusNode: _focusNode,
style: const TextStyle(
fontSize: 15,
color: AppColors.textPrimary,
),
maxLines: null,
textInputAction: TextInputAction.newline,
decoration: InputDecoration(
hintText: '输入你想说的...',
filled: true,
fillColor: Colors.white,
contentPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 11,
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(22),
borderSide: const BorderSide(color: AppColors.borderLight),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(22),
borderSide: const BorderSide(color: AppColors.borderLight),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(22),
borderSide: const BorderSide(
color: AppColors.auraIndigo,
width: 1.2,
),
),
),
onSubmitted: (_) => _sendMessage(),
),
),
),
const SizedBox(width: 8),
GestureDetector(
onTap: _sendMessage,
child: Container(
width: 42,
height: 42,
margin: EdgeInsets.only(bottom: _pickedImagePath != null ? 0 : 2),
decoration: BoxDecoration(
gradient: AppColors.primaryGradient,
borderRadius: BorderRadius.circular(21),
boxShadow: AppColors.buttonShadow,
),
child: const Icon(
LucideIcons.send,
size: 19,
color: Colors.white,
),
),
),
],
),
);
}
void _showAttachmentPicker(BuildContext context) {
_dismissKeyboard();
showModalBottomSheet(
context: context,
backgroundColor: Colors.white,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
),
builder: (ctx) => SafeArea(
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 10),
child: Wrap(
children: [
ListTile(
leading: const Icon(
Icons.camera_alt_outlined,
color: AppColors.primary,
),
title: const Text('拍照'),
onTap: () {
Navigator.pop(ctx);
_dismissKeyboard();
_pickImage(ImageSource.camera);
},
),
ListTile(
leading: const Icon(
Icons.photo_library_outlined,
color: AppColors.primary,
),
title: const Text('从相册选择'),
onTap: () {
Navigator.pop(ctx);
_dismissKeyboard();
_pickImage(ImageSource.gallery);
},
),
ListTile(
leading: const Icon(
Icons.picture_as_pdf_outlined,
color: AppColors.primary,
),
title: const Text('上传 PDF'),
onTap: () async {
Navigator.pop(ctx);
_dismissKeyboard();
final result = await FilePicker.platform.pickFiles(
type: FileType.custom,
allowedExtensions: ['pdf'],
withData: false,
);
if (result == null || result.files.isEmpty) return;
final pdfFile = result.files.first;
final path = pdfFile.path;
if (path == null || path.isEmpty) return;
// 上传 + 让 AI 看 PDF 内容
await ref
.read(chatProvider.notifier)
.sendPdf(path, pdfFile.name, _textCtrl.text.trim());
_textCtrl.clear();
_dismissKeyboard();
if (mounted) setState(() {});
},
),
],
),
),
),
);
}
Future<void> _pickImage(ImageSource source) async {
_dismissKeyboard();
final picked = await ImagePicker().pickImage(
source: source,
imageQuality: 85,
);
_dismissKeyboard();
if (picked != null) {
final token = await ref.read(apiClientProvider).accessToken;
if (token == null) return;
setState(() => _pickedImagePath = picked.path);
WidgetsBinding.instance.addPostFrameCallback((_) => _dismissKeyboard());
}
}
void _dismissKeyboard() {
_focusNode.unfocus();
FocusManager.instance.primaryFocus?.unfocus();
}
Future<void> _pickFoodImage(ImageSource source) async {
final picked = await ImagePicker().pickImage(
source: source,
imageQuality: 80,
maxWidth: 1024,
maxHeight: 1024,
);
if (picked != null && mounted) {
ref.read(dietProvider.notifier).reset();
ref.read(dietProvider.notifier).setImage(picked.path);
ref.read(dietProvider.notifier).analyzeImage();
pushRoute(ref, 'dietCapture');
}
}
}
class _HeaderIconButton extends StatelessWidget {
final IconData icon;
final VoidCallback onTap;
final int badgeCount;
const _HeaderIconButton({
required this.icon,
required this.onTap,
this.badgeCount = 0,
});
@override
Widget build(BuildContext context) {
return GestureDetector(
onTap: onTap,
child: Stack(
clipBehavior: Clip.none,
children: [
Container(
width: 38,
height: 38,
decoration: BoxDecoration(
gradient: AppColors.surfaceGradient,
borderRadius: BorderRadius.circular(14),
border: Border.all(color: AppColors.borderLight),
boxShadow: AppColors.cardShadowLight,
),
child: Icon(icon, size: 20, color: AppColors.textPrimary),
),
if (badgeCount > 0)
Positioned(
right: -5,
top: -5,
child: Container(
constraints: const BoxConstraints(minWidth: 18, minHeight: 18),
padding: const EdgeInsets.symmetric(horizontal: 4),
decoration: BoxDecoration(
color: AppColors.error,
borderRadius: BorderRadius.circular(10),
border: Border.all(color: Colors.white, width: 2),
),
alignment: Alignment.center,
child: Text(
badgeCount > 99 ? '99+' : '$badgeCount',
style: const TextStyle(
color: Colors.white,
fontSize: 10,
fontWeight: FontWeight.w800,
),
),
),
),
],
),
);
}
}
class _RoundToolButton extends StatelessWidget {
final IconData icon;
final VoidCallback onTap;
const _RoundToolButton({required this.icon, required this.onTap});
@override
Widget build(BuildContext context) {
return GestureDetector(
onTap: onTap,
child: Container(
width: 42,
height: 42,
margin: const EdgeInsets.only(bottom: 2),
decoration: BoxDecoration(
gradient: AppColors.surfaceGradient,
borderRadius: BorderRadius.circular(21),
border: Border.all(color: AppColors.borderLight),
boxShadow: AppColors.cardShadowLight,
),
child: Icon(icon, size: 21, color: AppColors.primaryDark),
),
);
}
}