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AI 接入 V0.1

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Aqroid
2026-09-23 17:23:59 +08:00
parent a83cda63f5
commit 34bc2e04b0
9 changed files with 1018 additions and 116 deletions
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lib/pages/assistant/assistant_page.dart
+523 -98
View File
@@ -1,14 +1,49 @@
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_markdown_plus/flutter_markdown_plus.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
/// 助手页（占位）。
import '../../api/ai_api.dart';
import '../../core/network/api_env.dart';
import '../../models/ai.dart';
import '../../providers/ai_provider.dart';
import '../../utils/toast.dart';
import '../../widgets/state_views.dart';
/// 助手：和 AI 对话，问账单、问笔记。
///
/// 现在是骨架里预留的位置 —— 先让布局一次到位，阶段 B 接 AI 时只填内容、
/// 不再动导航结构。同时它也是首页那个输入框的落地页。
class AssistantPage extends StatelessWidget {
/// 既是底部 Tab，也能从首页那个输入框 push 进来 —— 所以顶部自己画了
/// 返回箭头（canPop 时才画）。
class AssistantPage extends ConsumerStatefulWidget {
const AssistantPage({super.key});
@override
ConsumerState<AssistantPage> createState() => _AssistantPageState();
}
class _AssistantPageState extends ConsumerState<AssistantPage> {
final _input = TextEditingController();
final _scroll = ScrollController();
/// 空状态下的引导问题 —— 让用户知道能问什么，比一句「你好」有用
static const _suggestions = [
'这个月花了多少钱？',
'上个月的支出分类排行',
'我的笔记里有哪些关于 MySQL 的？',
];
@override
void dispose() {
_input.dispose();
_scroll.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final state = ref.watch(assistantProvider);
_scheduleScroll();
return Scaffold(
body: Container(
width: double.infinity,
@@ -24,36 +59,9 @@ class AssistantPage extends StatelessWidget {
child: Column(
children: [
_header(context),
Expanded(
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
padding: const EdgeInsets.fromLTRB(24, 40, 24, 0),
children: [
const Center(child: Text('✨', style: TextStyle(fontSize: 46))),
const SizedBox(height: 16),
const Center(
child: Text(
'AI 助手正在建设中',
style: TextStyle(
fontSize: 17,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
),
const SizedBox(height: 8),
const Center(
child: Text(
'位置已经预留好，接入后不用再改布局',
style: TextStyle(fontSize: 12.5, color: Color(0xFF8D6E63)),
),
),
const SizedBox(height: 28),
_planCard(),
const SizedBox(height: 90),
],
),
),
Expanded(child: _body(context, state)),
if (state.error != null) _errorBar(state.error!),
_inputBar(state),
],
),
),
@@ -61,20 +69,18 @@ class AssistantPage extends StatelessWidget {
);
}
/// 用 Tab 打开时没有上一页，就不显示返回箭头
// ---------------------------------------------------------------- 顶部
Widget _header(BuildContext context) {
return Padding(
padding: const EdgeInsets.fromLTRB(10, 6, 16, 6),
padding: const EdgeInsets.fromLTRB(10, 6, 8, 6),
child: Row(
children: [
if (Navigator.of(context).canPop())
InkWell(
_iconButton(
icon: Icons.arrow_back,
tooltip: '返回',
onTap: () => Navigator.of(context).pop(),
borderRadius: BorderRadius.circular(20),
child: const Padding(
padding: EdgeInsets.all(6),
child: Icon(Icons.arrow_back, size: 22, color: Color(0xFF5D4037)),
),
),
const Padding(
padding: EdgeInsets.only(left: 6),
@@ -87,79 +93,498 @@ class AssistantPage extends StatelessWidget {
),
),
),
const Spacer(),
_iconButton(
icon: Icons.history,
tooltip: '历史对话',
onTap: () => _showSessions(context),
),
_iconButton(
icon: Icons.add_comment_outlined,
tooltip: '新对话',
onTap: () => ref.read(assistantProvider.notifier).newChat(),
),
],
),
);
}
Widget _planCard() {
const items = [
('一句话记账', '「昨天买咖啡 32」→ 自动填好分类和金额'),
('笔记问答', '从你的知识库里找答案，而不是重读一遍'),
('服务器状态', '查状态、看日志 —— 只走预定义动作，不给任意 shell'),
('跨模块查询', '「上周服务器相关的花费」这类要跨模块的问题'),
];
return Container(
padding: const EdgeInsets.fromLTRB(18, 16, 18, 8),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(16),
Widget _iconButton({
required IconData icon,
required String tooltip,
required VoidCallback onTap,
}) {
return Tooltip(
message: tooltip,
child: InkWell(
onTap: onTap,
borderRadius: BorderRadius.circular(20),
child: Padding(
padding: const EdgeInsets.all(7),
child: Icon(icon, size: 21, color: const Color(0xFF5D4037)),
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'规划中的能力',
);
}
// ---------------------------------------------------------------- 主体
Widget _body(BuildContext context, AssistantState state) {
if (state.loadingHistory) {
return const LoadingView(tip: '正在加载对话…');
}
if (state.isEmpty) {
return _welcome(context);
}
final showTool = state.streaming && state.bubbles.isNotEmpty;
return ListView.builder(
controller: _scroll,
physics: const AlwaysScrollableScrollPhysics(),
padding: const EdgeInsets.fromLTRB(14, 8, 14, 12),
itemCount: state.bubbles.length + (showTool ? 1 : 0),
itemBuilder: (context, index) {
if (index >= state.bubbles.length) {
return _toolIndicator(state.activeTool);
}
return _bubble(context, state.bubbles[index]);
},
);
}
Widget _welcome(BuildContext context) {
return ListView(
padding: const EdgeInsets.fromLTRB(24, 40, 24, 0),
children: [
const Center(child: Text('✨', style: TextStyle(fontSize: 44))),
const SizedBox(height: 14),
const Center(
child: Text(
'问我点什么',
style: TextStyle(
fontSize: 13,
fontSize: 17,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
const SizedBox(height: 12),
for (final (title, desc) in items) ...[
Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Padding(
padding: EdgeInsets.only(top: 5),
child: Icon(Icons.circle, size: 5, color: Color(0xFFC8956E)),
),
const SizedBox(width: 10),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
title,
style: const TextStyle(
fontSize: 13.5,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
const SizedBox(height: 2),
Text(
desc,
style: const TextStyle(fontSize: 12, color: Color(0xFF8D6E63)),
),
],
),
const SizedBox(height: 6),
const Center(
child: Text(
'我能查你的账单统计和笔记',
style: TextStyle(fontSize: 12.5, color: Color(0xFF8D6E63)),
),
),
const SizedBox(height: 26),
for (final s in _suggestions) ...[
_suggestionChip(s),
const SizedBox(height: 10),
],
],
);
}
Widget _suggestionChip(String text) {
return GestureDetector(
onTap: () => _send(text),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 13),
decoration: BoxDecoration(
color: Colors.white.withValues(alpha: 0.9),
borderRadius: BorderRadius.circular(14),
border: Border.all(color: const Color(0xFFE8D9C5)),
),
child: Row(
children: [
Expanded(
child: Text(
text,
style: const TextStyle(fontSize: 13.5, color: Color(0xFF5D4037)),
),
),
const Icon(Icons.north_east, size: 15, color: Color(0xFFBCAAA4)),
],
),
),
);
}
// ---------------------------------------------------------------- 气泡
Widget _bubble(BuildContext context, ChatBubble bubble) {
if (bubble.isUser) {
return Align(
alignment: Alignment.centerRight,
child: Container(
margin: const EdgeInsets.only(top: 10, left: 48),
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
decoration: BoxDecoration(
gradient: const LinearGradient(colors: [Color(0xFFC8956E), Color(0xFFD9A87C)]),
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(16),
topRight: Radius.circular(16),
bottomLeft: Radius.circular(16),
bottomRight: Radius.circular(4),
),
),
child: SelectableText(
bubble.content,
style: const TextStyle(fontSize: 14.5, height: 1.5, color: Colors.white),
),
),
);
}
return Align(
alignment: Alignment.centerLeft,
child: Container(
margin: const EdgeInsets.only(top: 10, right: 24),
padding: const EdgeInsets.fromLTRB(14, 10, 14, 10),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: const BorderRadius.only(
topLeft: Radius.circular(16),
topRight: Radius.circular(16),
bottomLeft: Radius.circular(4),
bottomRight: Radius.circular(16),
),
boxShadow: [
BoxShadow(
color: const Color(0xFF5D4037).withValues(alpha: 0.06),
blurRadius: 8,
offset: const Offset(0, 2),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (bubble.content.isEmpty)
const _TypingDots()
else
MarkdownBody(
data: bubble.content,
selectable: true,
styleSheet: _markdownStyle(context),
onTapLink: (text, href, title) {
if (href == null || href.isEmpty) return;
Clipboard.setData(ClipboardData(text: href));
showToast(context, '链接已复制');
},
imageBuilder: (uri, title, alt) => Padding(
padding: const EdgeInsets.symmetric(vertical: 6),
child: ClipRRect(
borderRadius: BorderRadius.circular(8),
child: Image.network(resolveAssetUrl(uri.toString())),
),
),
],
),
const SizedBox(height: 14),
),
if (bubble.streaming && bubble.content.isNotEmpty) ...[
const SizedBox(height: 6),
const _TypingDots(),
],
],
const Divider(height: 1, color: Color(0xFFF0E6D8)),
const SizedBox(height: 10),
const Text(
'隐私：涉及你笔记里的服务器信息时，会在请求发出前先脱敏。',
style: TextStyle(fontSize: 11.5, color: Color(0xFFBCAAA4), height: 1.5),
),
),
);
}
MarkdownStyleSheet _markdownStyle(BuildContext context) {
final base = MarkdownStyleSheet.fromTheme(Theme.of(context));
return base.copyWith(
p: const TextStyle(fontSize: 14.5, height: 1.6, color: Color(0xFF3E2723)),
h1: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold, height: 1.4, color: Color(0xFF3E2723)),
h2: const TextStyle(fontSize: 16.5, fontWeight: FontWeight.bold, height: 1.4, color: Color(0xFF3E2723)),
h3: const TextStyle(fontSize: 15.5, fontWeight: FontWeight.w600, height: 1.4, color: Color(0xFF3E2723)),
listBullet: const TextStyle(fontSize: 14.5, height: 1.6, color: Color(0xFF3E2723)),
code: const TextStyle(
fontSize: 13,
backgroundColor: Color(0xFFF5EFE6),
color: Color(0xFF8D4B2A),
),
codeblockDecoration: BoxDecoration(
color: const Color(0xFFF5EFE6),
borderRadius: BorderRadius.circular(8),
),
blockquoteDecoration: BoxDecoration(
color: const Color(0xFFFBF6EF),
borderRadius: BorderRadius.circular(6),
border: const Border(left: BorderSide(color: Color(0xFFC8956E), width: 3)),
),
tableBorder: TableBorder.all(color: const Color(0xFFE8D9C5)),
tableCellsPadding: const EdgeInsets.symmetric(horizontal: 8, vertical: 5),
);
}
/// 工具调用提示：「正在查账单…」
Widget _toolIndicator(String? tool) {
return Padding(
padding: const EdgeInsets.only(top: 10, left: 4),
child: Row(
children: [
const SizedBox(
width: 12,
height: 12,
child: CircularProgressIndicator(strokeWidth: 1.6, color: Color(0xFFC8956E)),
),
const SizedBox(width: 8),
Text(
_toolLabel(tool),
style: const TextStyle(fontSize: 12.5, color: Color(0xFF8D6E63)),
),
const SizedBox(height: 8),
],
),
);
}
String _toolLabel(String? name) => switch (name) {
'query_bills' => '正在查账单…',
'query_notes' => '正在搜笔记…',
'get_note' => '正在读笔记…',
_ => '正在查询…',
};
// ---------------------------------------------------------------- 错误与输入
Widget _errorBar(String message) {
return Container(
width: double.infinity,
margin: const EdgeInsets.fromLTRB(14, 0, 14, 6),
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 9),
decoration: BoxDecoration(
color: const Color(0xFFFFEBEE),
borderRadius: BorderRadius.circular(10),
),
child: Row(
children: [
const Icon(Icons.error_outline, size: 16, color: Color(0xFFD32F2F)),
const SizedBox(width: 8),
Expanded(
child: Text(
message,
style: const TextStyle(fontSize: 12.5, color: Color(0xFFB71C1C)),
),
),
GestureDetector(
onTap: () => ref.read(assistantProvider.notifier).clearError(),
child: const Icon(Icons.close, size: 15, color: Color(0xFFB71C1C)),
),
],
),
);
}
Widget _inputBar(AssistantState state) {
return Container(
padding: const EdgeInsets.fromLTRB(14, 8, 14, 10),
child: Row(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Expanded(
child: Container(
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(22),
border: Border.all(color: const Color(0xFFE8D9C5)),
),
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 2),
child: TextField(
controller: _input,
enabled: !state.streaming,
minLines: 1,
maxLines: 4,
textInputAction: TextInputAction.send,
onSubmitted: _send,
decoration: const InputDecoration(
border: InputBorder.none,
isDense: true,
contentPadding: EdgeInsets.symmetric(vertical: 12),
hintText: '问点什么…',
hintStyle: TextStyle(fontSize: 14, color: Color(0xFFBCAAA4)),
),
style: const TextStyle(fontSize: 14.5, color: Color(0xFF5D4037)),
),
),
),
const SizedBox(width: 8),
_sendButton(state),
],
),
);
}
Widget _sendButton(AssistantState state) {
final disabled = state.streaming;
return GestureDetector(
onTap: disabled ? null : () => _send(_input.text),
child: Container(
width: 42,
height: 42,
decoration: BoxDecoration(
shape: BoxShape.circle,
gradient: disabled
? null
: const LinearGradient(colors: [Color(0xFFC8956E), Color(0xFFF5D59E)]),
color: disabled ? const Color(0xFFE8D9C5) : null,
),
child: Icon(
disabled ? Icons.hourglass_empty : Icons.arrow_upward,
size: 20,
color: disabled ? const Color(0xFFBCAAA4) : const Color(0xFF5D4037),
),
),
);
}
void _send(String text) {
final trimmed = text.trim();
if (trimmed.isEmpty) return;
_input.clear();
ref.read(assistantProvider.notifier).send(trimmed);
}
// ---------------------------------------------------------------- 历史会话
Future<void> _showSessions(BuildContext context) async {
final selected = await showModalBottomSheet<int>(
context: context,
backgroundColor: Colors.white,
isScrollControlled: true,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
),
builder: (_) => const _SessionSheet(),
);
if (selected == null || !mounted) return;
ref.read(assistantProvider.notifier).openSession(selected);
}
// ---------------------------------------------------------------- 滚动
/// 只在用户本来就贴着底部时才自动滚动 —— 生成过程中用户往上翻看历史时别抢
void _scheduleScroll() {
WidgetsBinding.instance.addPostFrameCallback((_) {
if (!mounted || !_scroll.hasClients) return;
final pos = _scroll.position;
if (pos.maxScrollExtent - pos.pixels > 140) return;
_scroll.jumpTo(pos.maxScrollExtent);
});
}
}
/// 生成中的三个点
class _TypingDots extends StatelessWidget {
const _TypingDots();
@override
Widget build(BuildContext context) {
return const Text(
'●●●',
style: TextStyle(fontSize: 7, letterSpacing: 2, color: Color(0xFFC8956E)),
);
}
}
/// 历史会话面板
class _SessionSheet extends ConsumerWidget {
const _SessionSheet();
@override
Widget build(BuildContext context, WidgetRef ref) {
final sessionsAsync = ref.watch(chatSessionsProvider);
return SafeArea(
child: Padding(
padding: const EdgeInsets.fromLTRB(16, 16, 16, 12),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const Text(
'历史对话',
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
const SizedBox(height: 12),
Flexible(
child: sessionsAsync.when(
loading: () => const LoadingView(tip: '加载中…'),
error: (e, _) => ErrorView(
message: '会话列表加载失败',
onRetry: () => ref.invalidate(chatSessionsProvider),
),
data: (sessions) {
if (sessions.isEmpty) {
return const EmptyView(title: '还没有对话', tip: '问一句就有了');
}
return ListView.builder(
shrinkWrap: true,
itemCount: sessions.length,
itemBuilder: (context, index) {
final s = sessions[index];
return ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 4),
title: Text(
s.title,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(fontSize: 14.5, color: Color(0xFF5D4037)),
),
subtitle: Text(
s.updateTime,
style: const TextStyle(fontSize: 11.5, color: Color(0xFFBCAAA4)),
),
trailing: IconButton(
tooltip: '删除',
icon: const Icon(Icons.delete_outline, size: 19),
color: const Color(0xFFBCAAA4),
onPressed: () => _confirmDelete(context, ref, s),
),
onTap: () => Navigator.pop(context, s.id),
);
},
);
},
),
),
],
),
),
);
}
Future<void> _confirmDelete(BuildContext context, WidgetRef ref, ChatSessionItem session) async {
final ok = await showDialog<bool>(
context: context,
builder: (dialogContext) => AlertDialog(
title: const Text('删除对话'),
content: Text('「${session.title}」将被删除，不能再恢复。'),
actions: [
TextButton(
onPressed: () => Navigator.pop(dialogContext, false),
child: const Text('取消'),
),
TextButton(
onPressed: () => Navigator.pop(dialogContext, true),
child: const Text('删除', style: TextStyle(color: Color(0xFFD32F2F))),
),
],
),
);
if (ok != true) return;
try {
await ref.read(aiApiProvider).deleteSession(session.id);
ref.invalidate(chatSessionsProvider);
// 删掉的正好是当前打开的会话，就退回新对话
final current = ref.read(assistantProvider).sessionId;
if (current == session.id) {
ref.read(assistantProvider.notifier).newChat();
}
} catch (e) {
if (context.mounted) showToast(context, '删除失败', error: true);
}
}
}
lib/pages/home/dashboard_page.dart
+1 -11
View File
@@ -114,17 +114,7 @@ class DashboardPage extends StatelessWidget {
style: TextStyle(fontSize: 14, color: Color(0xFFBCAAA4)),
),
),
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
decoration: BoxDecoration(
color: const Color(0xFFF5EFE6),
borderRadius: BorderRadius.circular(8),
),
child: const Text(
'建设中',
style: TextStyle(fontSize: 11, color: Color(0xFF8D6E63)),
),
),
const Icon(Icons.chevron_right, size: 20, color: Color(0xFFBCAAA4)),
],
),
),