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AI配置化

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Aqroid
2026-09-28 11:57:54 +08:00
parent 6176c49964
commit d52775ec10
8 changed files with 839 additions and 4 deletions
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lib/pages/assistant/ai_config_page.dart
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import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../../api/ai_api.dart';
import '../../../core/network/api_exception.dart';
import '../../../models/ai_config.dart';
import '../../../providers/ai_config_provider.dart';
import '../../../utils/toast.dart';
import '../../../widgets/state_views.dart';
/// AI 模型配置管理：列出现有配置、切换、增删改。
///
/// 设计上的三个要点：
/// 1. **「默认」那一项是虚拟的** —— 值来自服务器 `.env`，不能编辑/删除。
/// 它就是「什么都不选」的状态，选中后请求里 configId 传 null。
/// 2. **列表不打勾谁在用**，打勾的是 [selectedAiConfigProvider] 里存的那个。
/// 选中状态存在手机本地，不改服务端 —— 否则网页端和手机会互相打架。
/// 3. **api key 只显示掩码**。编辑时留空 = 不改动。
Future<void> openAiConfigPage(BuildContext context) {
return Navigator.of(context).push(
MaterialPageRoute(builder: (_) => const AiConfigPage()),
);
}
class AiConfigPage extends ConsumerWidget {
const AiConfigPage({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final configs = ref.watch(aiConfigsProvider);
final selectedId = ref.watch(selectedAiConfigProvider);
return Scaffold(
appBar: AppBar(
title: const Text('AI 模型'),
actions: [
IconButton(
tooltip: '新增配置',
icon: const Icon(Icons.add),
onPressed: () => _openEditor(context, ref, null),
),
],
),
body: configs.when(
loading: () => const LoadingView(tip: '正在加载配置...'),
error: (e, _) => ErrorView(
message: e is ApiException ? e.message : '配置加载失败',
onRetry: () => ref.invalidate(aiConfigsProvider),
),
data: (list) {
final custom = list.where((c) => c.editable).length;
return ListView(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
children: [
_introCard(),
const SizedBox(height: 14),
for (final item in list) ...[
_configTile(context, ref, item, selectedId, custom),
const SizedBox(height: 10),
],
if (custom == 0) _emptyHint(),
],
);
},
),
);
}
Widget _introCard() {
return Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: const Color(0xFFFFF3E6),
borderRadius: BorderRadius.circular(12),
),
child: const Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'换一个模型',
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
SizedBox(height: 5),
Text(
'可以配多套（不同厂商、不同模型），点一下就能切换。\n'
'「默认」用的是服务器 .env 里那套，不需要在这里填。',
style: TextStyle(fontSize: 12, height: 1.6, color: Color(0xFF8D6E63)),
),
],
),
);
}
Widget _emptyHint() {
return Padding(
padding: const EdgeInsets.only(top: 4),
child: Container(
width: double.infinity,
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(12),
),
child: const Text(
'还没有自己的配置。点右上角「+」加一套 ——\n'
'比如 DeepSeek、通义、智谱，填上各自的 base url、api key 和模型名。',
textAlign: TextAlign.center,
style: TextStyle(fontSize: 12.5, height: 1.7, color: Color(0xFFBCAAA4)),
),
),
);
}
Widget _configTile(
BuildContext context,
WidgetRef ref,
AiConfigItem item,
int? selectedId,
int customCount,
) {
// 默认项的 selectionKey 是 -1，不能用 id 比较
final active = selectedId == null
? item.isDefault
: item.selectionKey == selectedId;
return Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(14),
border: Border.all(
color: active ? const Color(0xFFC8956E) : const Color(0xFFF0E6D8),
width: active ? 1.5 : 1,
),
),
child: InkWell(
borderRadius: BorderRadius.circular(14),
onTap: () {
ref.read(selectedAiConfigProvider.notifier).select(item.id);
showToast(context, '已切换到「${item.name}」', icon: 'check');
},
child: Padding(
padding: const EdgeInsets.fromLTRB(14, 12, 8, 12),
child: Row(
children: [
Icon(
active ? Icons.radio_button_checked : Icons.radio_button_unchecked,
size: 19,
color: active ? const Color(0xFFC8956E) : const Color(0xFFD7CCC8),
),
const SizedBox(width: 10),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Flexible(
child: Text(
item.name,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
fontSize: 14.5,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
),
if (item.isDefault) ...[
const SizedBox(width: 6),
_tag('默认', const Color(0xFF8D6E63)),
],
if (!item.ready) ...[
const SizedBox(width: 6),
_tag('不可用', const Color(0xFFE53935)),
],
],
),
const SizedBox(height: 4),
Text(
item.model.isEmpty ? '未填模型名' : item.model,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(fontSize: 12, color: Color(0xFF8D6E63)),
),
const SizedBox(height: 2),
Text(
item.baseUrl.isEmpty ? '未填 base url' : item.baseUrl,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(fontSize: 11, color: Color(0xFFBCAAA4)),
),
if (item.apiKeyMasked.isNotEmpty) ...[
const SizedBox(height: 2),
Text(
'key: ${item.apiKeyMasked}',
style: const TextStyle(fontSize: 11, color: Color(0xFFBCAAA4)),
),
],
],
),
),
// 默认项不给编辑/删除的入口 —— 它的值来自服务器 .env
if (item.editable)
PopupMenuButton<String>(
icon: const Icon(Icons.more_vert, size: 19, color: Color(0xFFBCAAA4)),
onSelected: (v) {
if (v == 'edit') {
_openEditor(context, ref, item);
} else {
_confirmDelete(context, ref, item, customCount);
}
},
itemBuilder: (_) => const [
PopupMenuItem(value: 'edit', child: Text('编辑')),
PopupMenuItem(value: 'delete', child: Text('删除')),
],
),
],
),
),
),
);
}
Widget _tag(String text, Color color) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 1),
decoration: BoxDecoration(
color: color.withValues(alpha: 0.11),
borderRadius: BorderRadius.circular(6),
),
child: Text(text, style: TextStyle(fontSize: 10.5, color: color)),
);
}
// ---------------- 增删改 ----------------
Future<void> _openEditor(
BuildContext context,
WidgetRef ref,
AiConfigItem? existing,
) async {
final saved = await showModalBottomSheet<bool>(
context: context,
backgroundColor: Colors.white,
isScrollControlled: true,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
),
builder: (_) => _AiConfigEditor(existing: existing),
);
if (saved == true && context.mounted) {
ref.invalidate(aiConfigsProvider);
showToast(context, existing == null ? '已添加' : '已保存', icon: 'check');
}
}
Future<void> _confirmDelete(
BuildContext context,
WidgetRef ref,
AiConfigItem item,
int customCount,
) async {
final ok = await showDialog<bool>(
context: context,
builder: (dialogContext) => AlertDialog(
title: const Text('删除配置？', style: TextStyle(fontSize: 16)),
content: Text(
'「${item.name}」会被删掉。\n'
'${customCount == 1 ? '删掉之后会自动回到「默认」（服务器 .env 那套）。' : ''}',
style: const TextStyle(fontSize: 13, height: 1.6),
),
actions: [
TextButton(
onPressed: () => Navigator.of(dialogContext).pop(false),
child: const Text('取消', style: TextStyle(color: Color(0xFF8D6E63))),
),
TextButton(
onPressed: () => Navigator.of(dialogContext).pop(true),
child: const Text('删除', style: TextStyle(color: Color(0xFFE53935))),
),
],
),
);
if (ok != true || !context.mounted) return;
try {
await ref.read(aiApiProvider).deleteConfig(item.id!);
if (!context.mounted) return;
// 删掉的正好是当前选中的 → 退回默认，否则界面会显示一个不存在的名字
if (ref.read(selectedAiConfigProvider) == item.id) {
ref.read(selectedAiConfigProvider.notifier).select(null);
}
ref.invalidate(aiConfigsProvider);
showToast(context, '已删除', icon: 'check');
} on ApiException catch (e) {
if (context.mounted) showToast(context, e.message, error: true);
} catch (_) {
if (context.mounted) showToast(context, '删除失败', error: true);
}
}
}
/// 新增 / 编辑配置的表单
class _AiConfigEditor extends ConsumerStatefulWidget {
const _AiConfigEditor({this.existing});
/// null = 新增
final AiConfigItem? existing;
@override
ConsumerState<_AiConfigEditor> createState() => _AiConfigEditorState();
}
class _AiConfigEditorState extends ConsumerState<_AiConfigEditor> {
late final TextEditingController _name;
late final TextEditingController _baseUrl;
late final TextEditingController _apiKey;
late final TextEditingController _model;
bool _saving = false;
bool get _isEdit => widget.existing != null;
@override
void initState() {
super.initState();
final e = widget.existing;
_name = TextEditingController(text: e?.name ?? '');
_baseUrl = TextEditingController(text: e?.baseUrl ?? '');
// key 不回显（拿到的只是掩码），编辑时留空 = 不改动
_apiKey = TextEditingController();
_model = TextEditingController(text: e?.model ?? '');
}
@override
void dispose() {
_name.dispose();
_baseUrl.dispose();
_apiKey.dispose();
_model.dispose();
super.dispose();
}
Future<void> _save() async {
final baseUrl = _baseUrl.text.trim();
final model = _model.text.trim();
final apiKey = _apiKey.text.trim();
if (baseUrl.isEmpty) {
showToast(context, 'base url 不能为空', error: true);
return;
}
if (model.isEmpty) {
showToast(context, '模型名称不能为空', error: true);
return;
}
// 新增时 key 必填；编辑时留空表示不改
if (!_isEdit && apiKey.isEmpty) {
showToast(context, 'api key 不能为空', error: true);
return;
}
setState(() => _saving = true);
try {
final api = ref.read(aiApiProvider);
if (_isEdit) {
await api.updateConfig(
id: widget.existing!.id!,
name: _name.text.trim(),
baseUrl: baseUrl,
model: model,
apiKey: apiKey,
);
} else {
await api.createConfig(
name: _name.text.trim(),
baseUrl: baseUrl,
apiKey: apiKey,
model: model,
);
}
if (!mounted) return;
Navigator.of(context).pop(true);
} on ApiException catch (e) {
if (!mounted) return;
showToast(context, e.message, error: true);
} catch (_) {
if (!mounted) return;
showToast(context, '保存失败', error: true);
} finally {
if (mounted) setState(() => _saving = false);
}
}
@override
Widget build(BuildContext context) {
return Padding(
padding: EdgeInsets.only(bottom: MediaQuery.viewInsetsOf(context).bottom),
child: SafeArea(
child: SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(20, 16, 20, 20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Center(
child: Text(
_isEdit ? '编辑配置' : '新增配置',
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
),
const SizedBox(height: 18),
_field(
label: '名称',
controller: _name,
hint: '留空则用模型名，比如：DeepSeek 便宜',
),
_field(
label: 'Base URL',
controller: _baseUrl,
hint: 'https://api.deepseek.com/v1',
helper: '结尾不要带 /chat/completions',
),
_field(
label: 'API Key',
controller: _apiKey,
hint: _isEdit && widget.existing!.apiKeyMasked.isNotEmpty
? '留空表示不改动（当前 ${widget.existing!.apiKeyMasked}）'
: 'sk-...',
helper: _isEdit ? '留空 = 保持原来的 key' : '只存在你的服务器上，App 拿不到完整值',
obscure: true,
),
_field(
label: '模型名称',
controller: _model,
hint: 'deepseek-chat / qwen-plus / glm-4 …',
),
const SizedBox(height: 6),
_presetHint(),
const SizedBox(height: 18),
Row(
children: [
Expanded(
child: SizedBox(
height: 46,
child: OutlinedButton(
onPressed: _saving ? null : () => Navigator.of(context).pop(),
style: OutlinedButton.styleFrom(
foregroundColor: const Color(0xFFC8956E),
side: const BorderSide(color: Color(0xFFC8956E)),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(23),
),
),
child: const Text('取消'),
),
),
),
const SizedBox(width: 12),
Expanded(
child: SizedBox(
height: 46,
child: FilledButton(
onPressed: _saving ? null : _save,
style: FilledButton.styleFrom(
backgroundColor: const Color(0xFFC8956E),
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(23),
),
),
child: _saving
? const SizedBox(
width: 18,
height: 18,
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.white,
),
)
: const Text('保存'),
),
),
),
],
),
],
),
),
),
);
}
/// 常用厂商的地址提示。不自动填充 —— 填错了比不填更难查。
Widget _presetHint() {
return Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: const Color(0xFFF7F4F1),
borderRadius: BorderRadius.circular(10),
),
child: const Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'常用地址（供参考）',
style: TextStyle(fontSize: 11.5, color: Color(0xFF8D6E63)),
),
SizedBox(height: 6),
Text(
'DeepSeek https://api.deepseek.com/v1\n'
'通义 https://dashscope.aliyuncs.com/compatible-mode/v1\n'
'智谱 https://open.bigmodel.cn/api/paas/v4\n'
'OpenAI https://api.openai.com/v1',
style: TextStyle(
fontSize: 10.5,
height: 1.8,
color: Color(0xFFBCAAA4),
fontFamily: 'monospace',
),
),
],
),
);
}
Widget _field({
required String label,
required TextEditingController controller,
required String hint,
String? helper,
bool obscure = false,
}) {
return Padding(
padding: const EdgeInsets.only(bottom: 14),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(label, style: const TextStyle(fontSize: 13, color: Color(0xFF8D6E63))),
const SizedBox(height: 6),
Container(
padding: const EdgeInsets.symmetric(horizontal: 14),
decoration: BoxDecoration(
color: const Color(0xFFF7F4F1),
borderRadius: BorderRadius.circular(10),
),
child: TextField(
controller: controller,
obscureText: obscure,
autocorrect: false,
enableSuggestions: false,
style: const TextStyle(fontSize: 14, color: Color(0xFF5D4037)),
decoration: InputDecoration(
border: InputBorder.none,
isDense: true,
contentPadding: const EdgeInsets.symmetric(vertical: 13),
hintText: hint,
hintStyle: const TextStyle(fontSize: 13.5, color: Color(0xFFD7CCC8)),
),
),
),
if (helper != null)
Padding(
padding: const EdgeInsets.only(top: 4, left: 2),
child: Text(
helper,
style: const TextStyle(fontSize: 11, color: Color(0xFFBCAAA4)),
),
),
],
),
);
}
}