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马良AI写作初始化仓库

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邓滨杰
2025-09-10 00:07:52 +08:00
parent 3c06bb1a03
commit 39c0f8840f
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AINoval/lib/screens/admin/admin_dashboard_screen.dart Normal file
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/// 管理后台仪表板
/// 包含所有管理功能的导航
import 'package:flutter/material.dart';
import '../../utils/web_theme.dart';
import 'widgets/admin_sidebar.dart';
import 'llm_observability_screen.dart';
import 'public_model_management_screen.dart';
import 'system_presets_management_screen.dart';
import 'public_templates_management_screen.dart';
import 'enhanced_templates_management_screen.dart';
import 'user_management_screen.dart';
import 'role_management_screen.dart';
import 'subscription_management_screen.dart';
import 'billing_audit_screen.dart';
import 'package:get_it/get_it.dart';
import 'package:ainoval/services/api_service/repositories/impl/admin/llm_observability_repository_impl.dart';
import 'package:ainoval/widgets/analytics/analytics_card.dart';
import 'package:ainoval/widgets/analytics/model_usage_chart.dart';
import 'package:ainoval/models/analytics_data.dart';
import 'package:ainoval/models/admin/llm_observability_models.dart';
class AdminDashboardScreen extends StatefulWidget {
const AdminDashboardScreen({super.key});
@override
State<AdminDashboardScreen> createState() => _AdminDashboardScreenState();
}
class _AdminDashboardScreenState extends State<AdminDashboardScreen> {
int _selectedIndex = 0;
final List<Widget> _screens = [
const AdminOverviewScreen(), // 0: 仪表板
const LLMObservabilityScreen(), // 1: LLM可观测性
const UserManagementScreen(), // 2: 用户管理（替换占位页）
const RoleManagementScreen(), // 3: 角色管理（替换占位页）
const SubscriptionManagementScreen(), // 4: 订阅管理（替换占位页）
const PublicModelManagementScreen(), // 5: 公共模型
const SystemPresetsManagementScreen(), // 6: 系统预设
const PublicTemplatesManagementScreen(), // 7: 公共模板
const AdminSystemSettingsScreen(), // 8: 系统配置
const EnhancedTemplatesManagementScreen(), // 9: 增强模板
const BillingAuditScreen(), // 10: 计费审计
];
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: WebTheme.getBackgroundColor(context),
body: Row(
children: [
AdminSidebar(
selectedIndex: _selectedIndex,
onItemSelected: (index) {
setState(() {
_selectedIndex = index;
});
},
),
VerticalDivider(
thickness: 1,
width: 1,
color: WebTheme.getBorderColor(context),
),
Expanded(
child: _screens[_selectedIndex],
),
],
),
);
}
}
// AdminNavigationItem 类已移除，现在使用 AdminSidebar 统一管理导航
/// 管理后台概览页面
class AdminOverviewScreen extends StatefulWidget {
const AdminOverviewScreen({super.key});
@override
State<AdminOverviewScreen> createState() => _AdminOverviewScreenState();
}
class _AdminOverviewScreenState extends State<AdminOverviewScreen> {
late LLMObservabilityRepositoryImpl _repository;
bool _loading = true;
String? _error;
Map<String, dynamic> _overview = const {};
List<ModelUsageData> _modelUsage = const [];
@override
void initState() {
super.initState();
_repository = GetIt.instance<LLMObservabilityRepositoryImpl>();
_loadData();
}
Future<void> _loadData() async {
setState(() {
_loading = true;
_error = null;
});
try {
final results = await Future.wait([
_repository.getOverviewStatistics(),
_repository.getModelStatistics(),
]);
final overview = results[0] as Map<String, dynamic>;
final modelStats = results[1] as List<ModelStatistics>;
setState(() {
_overview = overview;
_modelUsage = _buildModelUsageFromStats(modelStats);
});
} catch (e) {
setState(() {
_error = e.toString();
});
} finally {
setState(() {
_loading = false;
});
}
}
List<ModelUsageData> _buildModelUsageFromStats(List<ModelStatistics> stats) {
if (stats.isEmpty) return const [];
// 优先使用 Token 占比，没有则按调用次数占比
int totalTokens = 0;
for (final s in stats) {
totalTokens += s.statistics.totalTokens;
}
final bool useTokens = totalTokens > 0;
final int totalBase = useTokens
? totalTokens
: stats.fold<int>(0, (acc, s) => acc + s.statistics.totalCalls);
if (totalBase == 0) return const [];
final List<ModelUsageData> result = [];
const palette = ['#3B82F6', '#8B5CF6', '#10B981', '#F59E0B', '#EF4444', '#06B6D4'];
for (int i = 0; i < stats.length; i++) {
final s = stats[i];
final int base = useTokens ? s.statistics.totalTokens : s.statistics.totalCalls;
final int pct = ((base / totalBase) * 100).round();
result.add(ModelUsageData(
modelName: s.modelName,
percentage: pct,
totalTokens: useTokens ? base : s.statistics.totalTokens,
color: palette[i % palette.length],
));
}
// 只取前8个，避免图例过长
result.sort((a, b) => b.totalTokens.compareTo(a.totalTokens));
return result.take(8).toList();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: WebTheme.getBackgroundColor(context),
appBar: AppBar(
backgroundColor: WebTheme.getBackgroundColor(context),
foregroundColor: WebTheme.getTextColor(context),
title: Text(
'管理后台仪表板',
style: TextStyle(color: WebTheme.getTextColor(context)),
),
centerTitle: true,
elevation: 0,
actions: [
IconButton(
onPressed: _loadData,
icon: const Icon(Icons.refresh),
tooltip: '刷新',
),
],
),
body: Align(
alignment: Alignment.topCenter,
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 1600),
child: Padding(
padding: const EdgeInsets.all(16),
child: _error != null
? Center(child: Text('加载失败: $_error'))
: (_loading
? const Center(child: CircularProgressIndicator())
: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildOverviewStatsRow(context),
const SizedBox(height: 16),
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 模型占比图
Expanded(
child: AnalyticsCard(
title: '模型占比',
value: '',
child: ModelUsageChart(
data: _modelUsage,
viewMode: AnalyticsViewMode.daily,
),
),
),
const SizedBox(width: 16),
// 模块入口卡片区
Expanded(
child: GridView.count(
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
crossAxisCount: 2,
crossAxisSpacing: 16,
mainAxisSpacing: 16,
childAspectRatio: 1.6,
children: const [
OverviewCard(
title: 'LLM可观测性',
description: '监控AI模型调用日志、性能指标和错误统计',
icon: Icons.visibility,
count: '—',
),
OverviewCard(
title: '用户管理',
description: '管理用户账户，查看用户统计信息',
icon: Icons.people,
count: '—',
),
OverviewCard(
title: '公共模型',
description: '管理和配置系统可用的AI模型',
icon: Icons.cloud,
count: '—',
),
OverviewCard(
title: '系统预设',
description: '管理系统级别的预设配置',
icon: Icons.smart_button,
count: '—',
),
],
),
),
],
),
const SizedBox(height: 16),
Expanded(
child: GridView.count(
crossAxisCount: 3,
crossAxisSpacing: 16,
mainAxisSpacing: 16,
childAspectRatio: 1.2,
children: const [
OverviewCard(
title: '公共模板',
description: '管理公共提示词模板库',
icon: Icons.article,
count: '—',
),
OverviewCard(
title: '增强模板',
description: '管理用户提交的增强模板',
icon: Icons.auto_awesome,
count: '—',
),
OverviewCard(
title: '订阅管理',
description: '订阅套餐、配额与结算',
icon: Icons.subscriptions,
count: '—',
),
],
),
),
],
)),
),
),
),
);
}
Widget _buildOverviewStatsRow(BuildContext context) {
final totalCalls = (_overview['totalCalls'] ?? 0).toString();
final successfulCalls = (_overview['successfulCalls'] ?? 0).toString();
final failedCalls = (_overview['failedCalls'] ?? 0).toString();
final successRate = ((_overview['successRate'] ?? 0.0) as num).toDouble();
return Row(
children: [
Expanded(
child: AnalyticsOverviewCard(
title: '总调用次数',
value: totalCalls,
icon: Icons.analytics,
subtitle: '统计范围内的模型调用总数',
),
),
const SizedBox(width: 16),
Expanded(
child: AnalyticsOverviewCard(
title: '成功次数',
value: successfulCalls,
icon: Icons.check_circle,
subtitle: '无错误完成的调用次数',
),
),
const SizedBox(width: 16),
Expanded(
child: AnalyticsOverviewCard(
title: '失败次数',
value: failedCalls,
icon: Icons.error_outline,
subtitle: '发生错误的调用次数',
),
),
const SizedBox(width: 16),
Expanded(
child: AnalyticsOverviewCard(
title: '成功率',
value: '${successRate.toStringAsFixed(1)}%',
icon: Icons.percent,
subtitle: '成功调用占比',
),
),
],
);
}
}
class OverviewCard extends StatelessWidget {
final String title;
final String description;
final IconData icon;
final String? count;
const OverviewCard({
super.key,
required this.title,
required this.description,
required this.icon,
this.count,
});
@override
Widget build(BuildContext context) {
return Card(
color: WebTheme.getCardColor(context),
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
side: BorderSide(
color: WebTheme.getBorderColor(context),
width: 1,
),
),
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
icon,
size: 32,
color: WebTheme.getTextColor(context),
),
const Spacer(),
if (count != null)
Text(
count!,
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: WebTheme.getTextColor(context),
),
),
],
),
const SizedBox(height: 12),
Text(
title,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: WebTheme.getTextColor(context),
),
),
const SizedBox(height: 8),
Text(
description,
style: TextStyle(
fontSize: 14,
color: WebTheme.getSecondaryTextColor(context),
),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
],
),
),
);
}
}
/// 占位页面 - 用户管理
class AdminUsersScreen extends StatelessWidget {
const AdminUsersScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: WebTheme.getBackgroundColor(context),
appBar: AppBar(
backgroundColor: WebTheme.getBackgroundColor(context),
foregroundColor: WebTheme.getTextColor(context),
title: Text(
'用户管理',
style: TextStyle(color: WebTheme.getTextColor(context)),
),
elevation: 0,
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.people_outline,
size: 64,
color: WebTheme.getSecondaryTextColor(context),
),
const SizedBox(height: 16),
Text(
'用户管理页面',
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: WebTheme.getTextColor(context),
),
),
const SizedBox(height: 8),
Text(
'此功能正在开发中...',
style: TextStyle(
fontSize: 16,
color: WebTheme.getSecondaryTextColor(context),
),
),
],
),
),
);
}
}
/// 占位页面 - 角色管理
class AdminRolesScreen extends StatelessWidget {
const AdminRolesScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: WebTheme.getBackgroundColor(context),
appBar: AppBar(
backgroundColor: WebTheme.getBackgroundColor(context),
foregroundColor: WebTheme.getTextColor(context),
title: Text(
'角色管理',
style: TextStyle(color: WebTheme.getTextColor(context)),
),
elevation: 0,
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.security_outlined,
size: 64,
color: WebTheme.getSecondaryTextColor(context),
),
const SizedBox(height: 16),
Text(
'角色管理页面',
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: WebTheme.getTextColor(context),
),
),
const SizedBox(height: 8),
Text(
'此功能正在开发中...',
style: TextStyle(
fontSize: 16,
color: WebTheme.getSecondaryTextColor(context),
),
),
],
),
),
);
}
}
/// 占位页面 - 订阅管理
class AdminSubscriptionScreen extends StatelessWidget {
const AdminSubscriptionScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: WebTheme.getBackgroundColor(context),
appBar: AppBar(
backgroundColor: WebTheme.getBackgroundColor(context),
foregroundColor: WebTheme.getTextColor(context),
title: Text(
'订阅管理',
style: TextStyle(color: WebTheme.getTextColor(context)),
),
elevation: 0,
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.subscriptions_outlined,
size: 64,
color: WebTheme.getSecondaryTextColor(context),
),
const SizedBox(height: 16),
Text(
'订阅管理页面',
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: WebTheme.getTextColor(context),
),
),
const SizedBox(height: 8),
Text(
'此功能正在开发中...',
style: TextStyle(
fontSize: 16,
color: WebTheme.getSecondaryTextColor(context),
),
),
],
),
),
);
}
}
/// 占位页面 - 系统设置
class AdminSystemSettingsScreen extends StatelessWidget {
const AdminSystemSettingsScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: WebTheme.getBackgroundColor(context),
appBar: AppBar(
backgroundColor: WebTheme.getBackgroundColor(context),
foregroundColor: WebTheme.getTextColor(context),
title: Text(
'系统配置',
style: TextStyle(color: WebTheme.getTextColor(context)),
),
elevation: 0,
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.settings_outlined,
size: 64,
color: WebTheme.getSecondaryTextColor(context),
),
const SizedBox(height: 16),
Text(
'系统配置页面',
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: WebTheme.getTextColor(context),
),
),
const SizedBox(height: 8),
Text(
'此功能正在开发中...',
style: TextStyle(
fontSize: 16,
color: WebTheme.getSecondaryTextColor(context),
),
),
],
),
),
);
}
}