559 lines
17 KiB
Dart
559 lines
17 KiB
Dart
import 'package:flutter/material.dart';
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import 'dart:convert';
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import 'package:crypto/crypto.dart';
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import '../../../models/preset_models.dart';
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import '../../../models/prompt_models.dart';
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import '../../../models/context_selection_models.dart';
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import '../../../models/ai_request_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 '../../../widgets/common/form_dialog_template.dart';
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/// 编辑系统预设对话框
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class EditSystemPresetDialog extends StatefulWidget {
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final AIPromptPreset preset;
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final VoidCallback? onSuccess;
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const EditSystemPresetDialog({
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Key? key,
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required this.preset,
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this.onSuccess,
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}) : super(key: key);
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@override
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State<EditSystemPresetDialog> createState() => _EditSystemPresetDialogState();
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}
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class _EditSystemPresetDialogState extends State<EditSystemPresetDialog> {
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final _formKey = GlobalKey<FormState>();
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late final TextEditingController _nameController;
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late final TextEditingController _descriptionController;
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late final TextEditingController _systemPromptController;
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late final TextEditingController _userPromptController;
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late final TextEditingController _tagsController;
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late String _selectedFeatureType;
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late bool _showInQuickAccess;
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bool _enableSmartContext = true;
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double _temperature = 0.7;
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double _topP = 0.9;
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String? _selectedTemplateId;
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late ContextSelectionData _contextSelectionData;
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bool _isLoading = false;
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final AdminRepositoryImpl _adminRepository = AdminRepositoryImpl();
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// 功能类型选项改为从 AIFeatureTypeHelper.allFeatures 动态获取
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@override
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void initState() {
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super.initState();
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_initializeControllers();
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}
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void _initializeControllers() {
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_nameController = TextEditingController(text: widget.preset.presetName ?? '');
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_descriptionController = TextEditingController(text: widget.preset.presetDescription ?? '');
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_systemPromptController = TextEditingController(text: widget.preset.systemPrompt);
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_userPromptController = TextEditingController(text: widget.preset.userPrompt);
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_tagsController = TextEditingController(
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text: widget.preset.presetTags?.join(', ') ?? '',
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);
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// 如果传入的功能类型不在枚举表中，退回到一个安全的默认值，避免 Dropdown 报错
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final allApi = AIFeatureTypeHelper.allFeatures.map((e) => e.toApiString()).toList();
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_selectedFeatureType = allApi.contains(widget.preset.aiFeatureType)
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? widget.preset.aiFeatureType
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: AIFeatureType.aiChat.toApiString();
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_showInQuickAccess = widget.preset.showInQuickAccess;
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// 初始化上下文与参数（从请求数据解析）
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try {
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final request = widget.preset.parsedRequest;
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if (request != null) {
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_enableSmartContext = request.enableSmartContext;
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_contextSelectionData = request.contextSelections ?? FormFieldFactory.createPresetTemplateContextData();
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final temp = request.parameters['temperature'];
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if (temp is num) _temperature = temp.toDouble();
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final topP = request.parameters['topP'];
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if (topP is num) _topP = topP.toDouble();
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final tmpl = request.parameters['promptTemplateId'];
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if (tmpl is String && tmpl.isNotEmpty) _selectedTemplateId = tmpl;
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} else {
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_contextSelectionData = FormFieldFactory.createPresetTemplateContextData();
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}
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} catch (e) {
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_contextSelectionData = FormFieldFactory.createPresetTemplateContextData();
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}
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}
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@override
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void dispose() {
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_nameController.dispose();
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_descriptionController.dispose();
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_systemPromptController.dispose();
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_userPromptController.dispose();
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_tagsController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Dialog(
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child: Container(
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width: 600,
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constraints: const BoxConstraints(maxHeight: 700),
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padding: const EdgeInsets.all(24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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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.edit, size: 24),
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const SizedBox(width: 8),
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const Text(
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'编辑系统预设',
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style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
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),
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const Spacer(),
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IconButton(
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onPressed: () => Navigator.of(context).pop(),
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icon: const Icon(Icons.close),
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),
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],
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),
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const SizedBox(height: 24),
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Expanded(
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child: Form(
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key: _formKey,
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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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_buildPresetInfo(),
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const SizedBox(height: 24),
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_buildBasicInfoSection(),
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const SizedBox(height: 24),
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_buildPromptSection(),
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const SizedBox(height: 24),
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_buildSettingsSection(),
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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: 24),
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_buildActionButtons(),
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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 _buildPresetInfo() {
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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: Theme.of(context).colorScheme.surface,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(
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color: Theme.of(context).colorScheme.outline.withOpacity(0.2),
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),
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),
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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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const Icon(Icons.info_outline, size: 20),
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const SizedBox(width: 8),
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const Text(
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'预设信息',
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style: TextStyle(fontWeight: FontWeight.w500),
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),
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],
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),
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const SizedBox(height: 12),
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Row(
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children: [
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Expanded(
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child: _buildInfoItem('预设ID', widget.preset.presetId),
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),
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const SizedBox(width: 16),
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Expanded(
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child: _buildInfoItem('使用次数', '${widget.preset.useCount}'),
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),
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],
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),
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const SizedBox(height: 8),
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Row(
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children: [
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Expanded(
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child: _buildInfoItem('创建时间', _formatDateTime(widget.preset.createdAt) ?? '未知'),
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),
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const SizedBox(width: 16),
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Expanded(
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child: _buildInfoItem('最后使用', _formatDateTime(widget.preset.lastUsedAt) ?? '从未使用'),
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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 _buildInfoItem(String label, String value) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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label,
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style: TextStyle(
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fontSize: 12,
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color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
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),
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),
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Text(
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value,
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style: const TextStyle(fontSize: 14),
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),
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],
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);
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}
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Widget _buildBasicInfoSection() {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'基本信息',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _nameController,
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decoration: const InputDecoration(
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labelText: '预设名称 *',
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hintText: '请输入预设名称',
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border: OutlineInputBorder(),
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return '请输入预设名称';
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}
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return null;
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},
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _descriptionController,
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decoration: const InputDecoration(
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labelText: '预设描述',
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hintText: '请输入预设描述',
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border: OutlineInputBorder(),
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),
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maxLines: 2,
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),
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const SizedBox(height: 16),
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DropdownButtonFormField<String>(
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value: _selectedFeatureType,
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decoration: const InputDecoration(
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labelText: '功能类型 *',
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border: OutlineInputBorder(),
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),
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items: AIFeatureTypeHelper.allFeatures.map((t) {
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final api = t.toApiString();
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return DropdownMenuItem(
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value: api,
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child: Text(t.displayName),
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);
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}).toList(),
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onChanged: (value) {
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if (value != null) {
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setState(() {
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_selectedFeatureType = value;
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});
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}
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},
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _tagsController,
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decoration: const InputDecoration(
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labelText: '标签',
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hintText: '请输入标签，用逗号分隔',
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border: OutlineInputBorder(),
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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 _buildPromptSection() {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'提示词配置',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _systemPromptController,
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decoration: const InputDecoration(
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labelText: '系统提示词 *',
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hintText: '请输入系统提示词',
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border: OutlineInputBorder(),
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),
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maxLines: 5,
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return '请输入系统提示词';
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}
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return null;
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},
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _userPromptController,
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decoration: const InputDecoration(
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labelText: '用户提示词',
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hintText: '请输入用户提示词',
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border: OutlineInputBorder(),
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),
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maxLines: 3,
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),
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],
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);
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}
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Widget _buildSettingsSection() {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'设置选项',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 16),
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CheckboxListTile(
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title: const Text('显示在快捷访问'),
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subtitle: const Text('用户可以在快捷访问列表中看到此预设'),
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value: _showInQuickAccess,
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onChanged: (value) {
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setState(() {
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_showInQuickAccess = value ?? false;
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});
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},
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),
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const SizedBox(height: 8),
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CheckboxListTile(
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title: const Text('启用智能上下文'),
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value: _enableSmartContext,
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onChanged: (v) {
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setState(() {
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_enableSmartContext = v ?? true;
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});
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},
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),
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const SizedBox(height: 8),
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// 温度
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FormFieldFactory.createTemperatureSliderField(
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context: context,
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value: _temperature,
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onChanged: (v) => setState(() => _temperature = v),
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),
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const SizedBox(height: 8),
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// Top-P
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FormFieldFactory.createTopPSliderField(
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context: context,
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value: _topP,
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onChanged: (v) => setState(() => _topP = v),
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),
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const SizedBox(height: 8),
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// 上下文选择
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FormFieldFactory.createContextSelectionField(
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contextData: _contextSelectionData,
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onSelectionChanged: (d) => setState(() => _contextSelectionData = d),
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title: '上下文选择',
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description: '选择参与提示词生成的上下文信息',
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),
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],
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);
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}
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Widget _buildActionButtons() {
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return Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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TextButton(
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onPressed: _isLoading ? null : () => Navigator.of(context).pop(),
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child: const Text('取消'),
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),
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const SizedBox(width: 12),
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ElevatedButton(
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onPressed: _isLoading ? null : _updatePreset,
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child: _isLoading
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Text('保存'),
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),
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],
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);
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}
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Future<void> _updatePreset() async {
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if (!_formKey.currentState!.validate()) {
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return;
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}
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setState(() {
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_isLoading = true;
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});
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try {
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final tags = _tagsController.text
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.split(',')
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.map((tag) => tag.trim())
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.where((tag) => tag.isNotEmpty)
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.toList();
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// 构建统一请求数据（包含上下文与参数）
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final requestJson = _buildRequestDataJson();
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final newHash = _generatePresetHash(requestJson);
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final updatedPreset = widget.preset.copyWith(
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presetName: _nameController.text.trim(),
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presetDescription: _descriptionController.text.trim().isEmpty
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? null : _descriptionController.text.trim(),
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aiFeatureType: _selectedFeatureType,
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systemPrompt: _systemPromptController.text.trim(),
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userPrompt: _userPromptController.text.trim().isEmpty
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? '' : _userPromptController.text.trim(),
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presetTags: tags.isEmpty ? null : tags,
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showInQuickAccess: _showInQuickAccess,
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requestData: requestJson,
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presetHash: newHash,
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updatedAt: DateTime.now(),
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);
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await _adminRepository.updateSystemPreset(updatedPreset);
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if (mounted) {
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Navigator.of(context).pop();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('系统预设 "${updatedPreset.presetName}" 更新成功')),
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);
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widget.onSuccess?.call();
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}
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} catch (e) {
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AppLogger.e('EditSystemPresetDialog', '更新系统预设失败', e);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('更新失败: $e')),
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);
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}
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} finally {
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if (mounted) {
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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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}
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String _buildRequestDataJson() {
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// 将系统预设编辑为一个可回放的 UniversalAIRequest
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final reqType = _mapFeatureTypeToRequestType(_selectedFeatureType);
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final request = UniversalAIRequest(
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requestType: reqType,
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userId: widget.preset.userId,
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novelId: _contextSelectionData.novelId,
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instructions: _userPromptController.text.trim().isNotEmpty
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? _userPromptController.text.trim()
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: null,
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contextSelections: _contextSelectionData,
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enableSmartContext: _enableSmartContext,
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parameters: {
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'enableSmartContext': _enableSmartContext,
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'temperature': _temperature,
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'topP': _topP,
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if (_selectedTemplateId != null) 'promptTemplateId': _selectedTemplateId,
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},
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metadata: {
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'source': 'admin_system_preset_editor',
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},
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);
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return jsonEncode(request.toApiJson());
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}
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AIRequestType _mapFeatureTypeToRequestType(String featureType) {
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try {
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final ft = AIFeatureTypeHelper.fromApiString(featureType.toUpperCase());
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switch (ft) {
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case AIFeatureType.textExpansion:
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return AIRequestType.expansion;
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case AIFeatureType.textSummary:
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return AIRequestType.summary;
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case AIFeatureType.textRefactor:
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return AIRequestType.refactor;
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case AIFeatureType.aiChat:
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return AIRequestType.chat;
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case AIFeatureType.sceneToSummary:
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return AIRequestType.sceneSummary;
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case AIFeatureType.novelGeneration:
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return AIRequestType.generation;
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case AIFeatureType.novelCompose:
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return AIRequestType.novelCompose;
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default:
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return AIRequestType.expansion;
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}
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} catch (_) {
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return AIRequestType.expansion;
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}
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}
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String _generatePresetHash(String requestDataJson) {
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try {
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final bytes = utf8.encode(requestDataJson);
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final digest = sha256.convert(bytes);
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return digest.toString();
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} catch (_) {
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return DateTime.now().millisecondsSinceEpoch.toString();
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}
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}
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String? _formatDateTime(DateTime? dateTime) {
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if (dateTime == null) return null;
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final now = DateTime.now();
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final difference = now.difference(dateTime);
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if (difference.inDays > 0) {
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return '${difference.inDays}天前';
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} else if (difference.inHours > 0) {
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return '${difference.inHours}小时前';
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} else if (difference.inMinutes > 0) {
|
|
return '${difference.inMinutes}分钟前';
|
|
} else {
|
|
return '刚刚';
|
|
}
|
|
}
|
|
} |