758 lines
23 KiB
Dart
758 lines
23 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:collection/collection.dart';
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import '../../models/preset_models.dart';
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import '../../services/api_service/repositories/impl/admin_repository_impl.dart';
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import '../../utils/logger.dart';
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import '../../utils/web_theme.dart';
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import '../../widgets/common/error_view.dart';
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import '../../widgets/common/loading_indicator.dart';
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import 'widgets/add_system_preset_dialog.dart';
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import 'widgets/edit_system_preset_dialog.dart';
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import 'widgets/system_preset_card.dart';
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import 'package:flutter/services.dart';
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/// 系统预设管理页面
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/// 提供完整的系统AI预设管理功能，包括：
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/// - 按功能类型分组显示系统预设
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/// - 添加/编辑/删除系统预设
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/// - 预设可见性管理
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/// - 批量操作功能
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/// - 使用统计查看
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class SystemPresetsManagementScreen extends StatefulWidget {
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const SystemPresetsManagementScreen({Key? key}) : super(key: key);
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@override
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State<SystemPresetsManagementScreen> createState() => _SystemPresetsManagementScreenState();
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}
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/// 系统预设管理内容主体，可以在不同布局中复用
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class SystemPresetsManagementBody extends StatefulWidget {
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const SystemPresetsManagementBody({Key? key}) : super(key: key);
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@override
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State<SystemPresetsManagementBody> createState() => _SystemPresetsManagementBodyState();
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}
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class _SystemPresetsManagementScreenState extends State<SystemPresetsManagementScreen> {
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final GlobalKey<_SystemPresetsManagementBodyState> _bodyKey = GlobalKey<_SystemPresetsManagementBodyState>();
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: WebTheme.getBackgroundColor(context),
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foregroundColor: WebTheme.getTextColor(context),
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title: Text(
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'系统预设管理',
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style: TextStyle(color: WebTheme.getTextColor(context)),
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),
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actions: [
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IconButton(
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onPressed: () => _bodyKey.currentState?._refreshData(),
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icon: Icon(Icons.refresh, color: WebTheme.getTextColor(context)),
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tooltip: '刷新',
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),
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IconButton(
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onPressed: () => _bodyKey.currentState?._showStatistics(),
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icon: Icon(Icons.analytics, color: WebTheme.getTextColor(context)),
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tooltip: '统计信息',
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),
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IconButton(
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onPressed: () => _showAddPresetDialog(context),
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icon: Icon(Icons.add, color: WebTheme.getTextColor(context)),
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tooltip: '添加系统预设',
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),
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],
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),
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backgroundColor: WebTheme.getBackgroundColor(context),
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body: SystemPresetsManagementBody(key: _bodyKey),
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);
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}
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void _showAddPresetDialog(BuildContext context) {
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showDialog(
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context: context,
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builder: (context) => AddSystemPresetDialog(
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onSuccess: () => _bodyKey.currentState?._refreshData(),
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),
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);
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}
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}
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class _SystemPresetsManagementBodyState extends State<SystemPresetsManagementBody> {
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List<AIPromptPreset> _systemPresets = [];
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Map<String, List<AIPromptPreset>> _presetsByFeatureType = {};
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Map<String, dynamic> _statistics = {};
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bool _isLoading = true;
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String? _error;
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String _selectedFeatureType = 'ALL';
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List<String> _selectedPresets = [];
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bool _batchMode = false;
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final AdminRepositoryImpl _adminRepository = AdminRepositoryImpl();
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@override
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void initState() {
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super.initState();
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_loadData();
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}
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Future<void> _loadData() 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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await Future.wait([
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_loadSystemPresets(),
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_loadStatistics(),
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]);
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} catch (e) {
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AppLogger.e('SystemPresetsManagement', '加载系统预设数据失败', e);
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setState(() {
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_error = e.toString();
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});
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} finally {
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setState(() {
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_isLoading = false;
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});
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}
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}
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Future<void> _loadSystemPresets() async {
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try {
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final presets = await _adminRepository.getSystemPresets(
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featureType: _selectedFeatureType == 'ALL' ? null : _selectedFeatureType,
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);
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setState(() {
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_systemPresets = presets;
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_presetsByFeatureType = _groupPresetsByFeatureType(presets);
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});
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} catch (e) {
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AppLogger.e('SystemPresetsManagement', '加载系统预设失败', e);
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rethrow;
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}
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}
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Future<void> _loadStatistics() async {
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try {
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final stats = await _adminRepository.getSystemPresetsStatistics();
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setState(() {
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_statistics = stats;
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});
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} catch (e) {
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AppLogger.e('SystemPresetsManagement', '加载统计信息失败', e);
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// 统计信息加载失败不影响主要功能
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}
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}
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Map<String, List<AIPromptPreset>> _groupPresetsByFeatureType(List<AIPromptPreset> presets) {
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return groupBy(presets, (preset) => preset.aiFeatureType);
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}
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void _refreshData() {
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_loadData();
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}
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void _showStatistics() {
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showDialog(
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context: context,
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builder: (context) => _StatisticsDialog(statistics: _statistics),
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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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if (_isLoading) {
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return const Center(child: LoadingIndicator());
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}
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if (_error != null) {
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return ErrorView(
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error: _error!,
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onRetry: _refreshData,
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);
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}
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return Align(
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alignment: Alignment.topCenter,
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 1600),
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child: Column(
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children: [
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_buildToolbar(),
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_buildFilterTabs(),
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Expanded(
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child: _buildPresetsList(),
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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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Widget _buildToolbar() {
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: WebTheme.getCardColor(context),
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border: Border(
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bottom: BorderSide(
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color: WebTheme.getBorderColor(context),
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width: 1,
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),
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),
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),
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child: Row(
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children: [
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if (_batchMode) ...[
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Expanded(
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child: Text(
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'已选择 ${_selectedPresets.length} 个预设',
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style: TextStyle(
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color: WebTheme.getTextColor(context),
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fontWeight: FontWeight.w500,
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),
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),
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),
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IconButton(
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onPressed: _selectedPresets.isNotEmpty ? () => _batchToggleVisibility(true) : null,
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icon: const Icon(Icons.visibility),
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tooltip: '批量显示在快捷访问',
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),
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IconButton(
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onPressed: _selectedPresets.isNotEmpty ? () => _batchToggleVisibility(false) : null,
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icon: const Icon(Icons.visibility_off),
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tooltip: '批量隐藏快捷访问',
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),
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IconButton(
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onPressed: _selectedPresets.isNotEmpty ? _batchExport : null,
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icon: const Icon(Icons.file_download),
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tooltip: '导出选中预设',
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),
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IconButton(
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onPressed: () {
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setState(() {
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_batchMode = false;
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_selectedPresets.clear();
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});
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},
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icon: const Icon(Icons.close),
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tooltip: '退出批量模式',
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),
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] else ...[
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Expanded(
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child: Text(
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'系统预设总数: ${_systemPresets.length}',
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style: TextStyle(
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color: WebTheme.getTextColor(context),
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fontWeight: FontWeight.w500,
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),
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),
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),
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IconButton(
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onPressed: _importPresets,
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icon: const Icon(Icons.file_upload),
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tooltip: '导入预设',
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),
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IconButton(
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onPressed: () {
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setState(() {
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_batchMode = true;
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});
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},
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icon: const Icon(Icons.checklist),
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tooltip: '批量操作',
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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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Widget _buildFilterTabs() {
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final featureTypes = ['ALL', ..._presetsByFeatureType.keys.toList()..sort()];
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return Container(
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height: 50,
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decoration: BoxDecoration(
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color: WebTheme.getCardColor(context),
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border: Border(
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bottom: BorderSide(
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color: WebTheme.getBorderColor(context),
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width: 1,
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),
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),
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),
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child: ListView.builder(
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scrollDirection: Axis.horizontal,
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itemCount: featureTypes.length,
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itemBuilder: (context, index) {
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final featureType = featureTypes[index];
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final isSelected = _selectedFeatureType == featureType;
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final count = featureType == 'ALL'
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? _systemPresets.length
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: _presetsByFeatureType[featureType]?.length ?? 0;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 8),
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child: ChoiceChip(
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label: Text('$featureType ($count)'),
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selected: isSelected,
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onSelected: (selected) {
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if (selected) {
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setState(() {
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_selectedFeatureType = featureType;
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});
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_loadSystemPresets();
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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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Widget _buildPresetsList() {
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if (_systemPresets.isEmpty) {
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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.smart_button_outlined,
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size: 64,
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color: WebTheme.getTextColor(context).withOpacity(0.5),
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),
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const SizedBox(height: 16),
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Text(
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'暂无系统预设',
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style: TextStyle(
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color: WebTheme.getTextColor(context).withOpacity(0.7),
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fontSize: 16,
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),
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),
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const SizedBox(height: 8),
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Text(
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'点击右上角的加号创建第一个系统预设',
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style: TextStyle(
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color: WebTheme.getTextColor(context).withOpacity(0.5),
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fontSize: 14,
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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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final displayPresets = _selectedFeatureType == 'ALL'
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? _systemPresets
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: _presetsByFeatureType[_selectedFeatureType] ?? [];
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return ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: displayPresets.length,
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itemBuilder: (context, index) {
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final preset = displayPresets[index];
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return SystemPresetCard(
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preset: preset,
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isSelected: _selectedPresets.contains(preset.presetId),
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batchMode: _batchMode,
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onTap: () => _handlePresetTap(preset),
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onEdit: () => _editPreset(preset),
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onDelete: () => _deletePreset(preset),
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onToggleVisibility: () => _togglePresetVisibility(preset),
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onViewStats: () => _viewPresetStats(preset),
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onViewDetails: () => _viewPresetDetails(preset),
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onSelectionChanged: (selected) {
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setState(() {
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if (selected) {
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_selectedPresets.add(preset.presetId);
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} else {
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_selectedPresets.remove(preset.presetId);
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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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void _viewPresetDetails(AIPromptPreset preset) {
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showDialog(
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context: context,
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builder: (context) {
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return AlertDialog(
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title: Text('预设内容 - ${preset.presetName ?? ''}'),
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content: SizedBox(
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width: 700,
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child: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_buildPromptPreviewSection('系统提示词 (System Prompt)', preset.systemPrompt),
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const SizedBox(height: 16),
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_buildPromptPreviewSection('用户提示词 (User Prompt)', preset.userPrompt.isNotEmpty ? preset.userPrompt : '(未设置)'),
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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('关闭'),
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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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Widget _buildPromptPreviewSection(String title, String content) {
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return 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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const Icon(Icons.code, size: 18),
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const SizedBox(width: 8),
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Text(title, style: const TextStyle(fontWeight: FontWeight.bold)),
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const Spacer(),
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if (content.isNotEmpty)
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IconButton(
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icon: const Icon(Icons.copy, size: 18),
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tooltip: '复制',
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onPressed: () {
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Clipboard.setData(ClipboardData(text: content));
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('已复制到剪贴板')),
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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: 8),
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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: Colors.grey.withOpacity(0.08),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: Colors.grey.withOpacity(0.2)),
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),
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child: SelectableText(
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content.isNotEmpty ? content : '(空)',
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style: const TextStyle(fontFamily: 'monospace', fontSize: 13, height: 1.4),
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),
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),
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],
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);
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}
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void _handlePresetTap(AIPromptPreset preset) {
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if (_batchMode) {
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final isSelected = _selectedPresets.contains(preset.presetId);
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setState(() {
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if (isSelected) {
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_selectedPresets.remove(preset.presetId);
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} else {
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_selectedPresets.add(preset.presetId);
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}
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});
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} else {
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_editPreset(preset);
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}
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}
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void _editPreset(AIPromptPreset preset) {
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showDialog(
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context: context,
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builder: (context) => EditSystemPresetDialog(
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preset: preset,
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onSuccess: _refreshData,
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),
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);
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}
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Future<void> _deletePreset(AIPromptPreset preset) async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('确认删除'),
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content: Text('确定要删除系统预设 "${preset.presetName}" 吗？此操作不可撤销。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(false),
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child: const Text('取消'),
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),
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TextButton(
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onPressed: () => Navigator.of(context).pop(true),
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style: TextButton.styleFrom(foregroundColor: Colors.red),
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child: const Text('删除'),
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),
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],
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),
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);
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if (confirmed == true) {
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try {
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await _adminRepository.deleteSystemPreset(preset.presetId);
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_refreshData();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('系统预设 "${preset.presetName}" 已删除')),
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);
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}
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} catch (e) {
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AppLogger.e('SystemPresetsManagement', '删除系统预设失败', e);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('删除失败: $e')),
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);
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}
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}
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}
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}
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Future<void> _togglePresetVisibility(AIPromptPreset preset) async {
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try {
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await _adminRepository.toggleSystemPresetQuickAccess(preset.presetId);
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_refreshData();
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if (mounted) {
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final status = !preset.showInQuickAccess ? '显示在快捷访问' : '隐藏快捷访问';
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('预设 "${preset.presetName}" 已$status')),
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);
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}
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} catch (e) {
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AppLogger.e('SystemPresetsManagement', '切换预设可见性失败', e);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('操作失败: $e')),
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);
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}
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}
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}
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void _viewPresetStats(AIPromptPreset preset) {
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showDialog(
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context: context,
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||
builder: (context) => _PresetStatsDialog(presetId: preset.presetId),
|
||
);
|
||
}
|
||
|
||
Future<void> _batchToggleVisibility(bool visible) async {
|
||
try {
|
||
await _adminRepository.batchUpdateSystemPresetsVisibility(_selectedPresets, visible);
|
||
_refreshData();
|
||
|
||
if (mounted) {
|
||
final action = visible ? '显示在快捷访问' : '隐藏快捷访问';
|
||
ScaffoldMessenger.of(context).showSnackBar(
|
||
SnackBar(content: Text('已将 ${_selectedPresets.length} 个预设$action')),
|
||
);
|
||
}
|
||
|
||
setState(() {
|
||
_selectedPresets.clear();
|
||
_batchMode = false;
|
||
});
|
||
} catch (e) {
|
||
AppLogger.e('SystemPresetsManagement', '批量更新可见性失败', e);
|
||
if (mounted) {
|
||
ScaffoldMessenger.of(context).showSnackBar(
|
||
SnackBar(content: Text('批量操作失败: $e')),
|
||
);
|
||
}
|
||
}
|
||
}
|
||
|
||
Future<void> _batchExport() async {
|
||
try {
|
||
final presets = await _adminRepository.exportSystemPresets(_selectedPresets);
|
||
// TODO: 实现文件导出功能
|
||
|
||
if (mounted) {
|
||
ScaffoldMessenger.of(context).showSnackBar(
|
||
SnackBar(content: Text('已导出 ${presets.length} 个系统预设')),
|
||
);
|
||
}
|
||
} catch (e) {
|
||
AppLogger.e('SystemPresetsManagement', '导出预设失败', e);
|
||
if (mounted) {
|
||
ScaffoldMessenger.of(context).showSnackBar(
|
||
SnackBar(content: Text('导出失败: $e')),
|
||
);
|
||
}
|
||
}
|
||
}
|
||
|
||
Future<void> _importPresets() async {
|
||
// TODO: 实现预设导入功能
|
||
ScaffoldMessenger.of(context).showSnackBar(
|
||
const SnackBar(content: Text('导入功能开发中...')),
|
||
);
|
||
}
|
||
}
|
||
|
||
/// 统计信息对话框
|
||
class _StatisticsDialog extends StatelessWidget {
|
||
final Map<String, dynamic> statistics;
|
||
|
||
const _StatisticsDialog({required this.statistics});
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return AlertDialog(
|
||
title: const Text('系统预设统计'),
|
||
content: SizedBox(
|
||
width: 400,
|
||
child: Column(
|
||
mainAxisSize: MainAxisSize.min,
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
_buildStatItem('总预设数', statistics['totalSystemPresets']?.toString() ?? '0'),
|
||
_buildStatItem('快捷访问预设', statistics['quickAccessCount']?.toString() ?? '0'),
|
||
_buildStatItem('总使用次数', statistics['totalUsage']?.toString() ?? '0'),
|
||
|
||
const SizedBox(height: 16),
|
||
const Text('按功能类型分布:', style: TextStyle(fontWeight: FontWeight.bold)),
|
||
const SizedBox(height: 8),
|
||
|
||
if (statistics['byFeatureType'] is Map<String, dynamic>)
|
||
...(statistics['byFeatureType'] as Map<String, dynamic>).entries.map(
|
||
(entry) => Padding(
|
||
padding: const EdgeInsets.only(left: 16, bottom: 4),
|
||
child: Row(
|
||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||
children: [
|
||
Text(entry.key),
|
||
Text(entry.value.toString()),
|
||
],
|
||
),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
actions: [
|
||
TextButton(
|
||
onPressed: () => Navigator.of(context).pop(),
|
||
child: const Text('关闭'),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
Widget _buildStatItem(String label, String value) {
|
||
return Padding(
|
||
padding: const EdgeInsets.only(bottom: 8),
|
||
child: Row(
|
||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||
children: [
|
||
Text(label, style: const TextStyle(fontWeight: FontWeight.w500)),
|
||
Text(value, style: const TextStyle(fontSize: 16)),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
}
|
||
|
||
/// 预设统计对话框
|
||
class _PresetStatsDialog extends StatefulWidget {
|
||
final String presetId;
|
||
|
||
const _PresetStatsDialog({required this.presetId});
|
||
|
||
@override
|
||
State<_PresetStatsDialog> createState() => _PresetStatsDialogState();
|
||
}
|
||
|
||
class _PresetStatsDialogState extends State<_PresetStatsDialog> {
|
||
Map<String, dynamic>? _details;
|
||
bool _isLoading = true;
|
||
String? _error;
|
||
|
||
final AdminRepositoryImpl _adminRepository = AdminRepositoryImpl();
|
||
|
||
@override
|
||
void initState() {
|
||
super.initState();
|
||
_loadDetails();
|
||
}
|
||
|
||
Future<void> _loadDetails() async {
|
||
try {
|
||
final details = await _adminRepository.getSystemPresetDetails(widget.presetId);
|
||
setState(() {
|
||
_details = details;
|
||
_isLoading = false;
|
||
});
|
||
} catch (e) {
|
||
setState(() {
|
||
_error = e.toString();
|
||
_isLoading = false;
|
||
});
|
||
}
|
||
}
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return AlertDialog(
|
||
title: const Text('预设详情'),
|
||
content: SizedBox(
|
||
width: 400,
|
||
height: 300,
|
||
child: _isLoading
|
||
? const Center(child: CircularProgressIndicator())
|
||
: _error != null
|
||
? Center(child: Text('加载失败: $_error'))
|
||
: _buildDetails(),
|
||
),
|
||
actions: [
|
||
TextButton(
|
||
onPressed: () => Navigator.of(context).pop(),
|
||
child: const Text('关闭'),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
Widget _buildDetails() {
|
||
if (_details == null) return const SizedBox();
|
||
|
||
final preset = _details!['preset'] as Map<String, dynamic>?;
|
||
final statistics = _details!['statistics'] as Map<String, dynamic>?;
|
||
|
||
return SingleChildScrollView(
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
if (preset != null) ...[
|
||
Text('预设名称: ${preset['presetName'] ?? ''}'),
|
||
Text('功能类型: ${preset['aiFeatureType'] ?? ''}'),
|
||
Text('创建时间: ${preset['createdAt'] ?? ''}'),
|
||
Text('最后更新: ${preset['updatedAt'] ?? ''}'),
|
||
|
||
const SizedBox(height: 16),
|
||
const Text('使用统计:', style: TextStyle(fontWeight: FontWeight.bold)),
|
||
],
|
||
|
||
if (statistics != null) ...[
|
||
Text('使用次数: ${statistics['useCount'] ?? 0}'),
|
||
Text('最后使用: ${statistics['lastUsedAt'] ?? '从未使用'}'),
|
||
Text('创建天数: ${statistics['daysSinceCreated'] ?? 0}'),
|
||
if (statistics['daysSinceLastUsed'] != null)
|
||
Text('上次使用距今: ${statistics['daysSinceLastUsed']} 天'),
|
||
],
|
||
],
|
||
),
|
||
);
|
||
}
|
||
} |