7a93237069
- 后端: 新增 AttachmentContextBuilder 解析图片/PDF 摘要并拼入 LLM 上下文; ai_chat_endpoints 扩展附件接口; 新增 ReportAnalysisService - 前端: 新增历史会话页与 conversation_history_provider; chat 链路支持附件展示与回放 - UI: 重构 medication_checkin / notification_center / profile / health_drawer 等多页面 - 配置: api_client baseUrl 适配当前 WiFi IP
314 lines
10 KiB
Dart
314 lines
10 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_markdown/flutter_markdown.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../core/app_colors.dart';
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import '../../core/app_theme.dart';
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import '../../providers/consultation_provider.dart';
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/// 问诊对话页 — 完整的 AI 分身聊天界面
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class DoctorChatPage extends ConsumerStatefulWidget {
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final String id;
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const DoctorChatPage({super.key, required this.id});
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@override
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ConsumerState<DoctorChatPage> createState() => _DoctorChatPageState();
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}
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class _DoctorChatPageState extends ConsumerState<DoctorChatPage> {
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final _textCtrl = TextEditingController();
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final _scrollCtrl = ScrollController();
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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ref.read(consultationChatProvider.notifier).init(widget.id);
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});
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}
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@override
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void dispose() {
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ref.read(consultationChatProvider.notifier).stop();
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_textCtrl.dispose();
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_scrollCtrl.dispose();
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super.dispose();
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}
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void _send() {
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final text = _textCtrl.text.trim();
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if (text.isEmpty) return;
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_textCtrl.clear();
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ref.read(consultationChatProvider.notifier).sendMessage(text);
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}
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String _statusText(String status) {
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switch (status) {
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case 'AiTalking':
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return 'AI分身对话中';
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case 'WaitingDoctor':
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return '已转接医生，请耐心等待';
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case 'DoctorReplied':
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return '医生已回复';
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case 'Closed':
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return '对话已结束';
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default:
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return '';
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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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final state = ref.watch(consultationChatProvider);
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final canSend = state.status == 'AiTalking' && !state.isSending;
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return GradientScaffold(
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appBar: AppBar(
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backgroundColor: Colors.white,
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title: Column(
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children: [
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Text(
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state.doctorName.isNotEmpty
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? '${state.doctorName} · ${state.doctorDepartment}'
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: '问诊对话',
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style: const TextStyle(
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fontSize: 19,
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fontWeight: FontWeight.w600,
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color: Color(0xFF1A1A1A),
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),
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),
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if (state.doctorName.isNotEmpty)
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Text(
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_statusText(state.status),
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style: const TextStyle(
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fontSize: 15,
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color: AppColors.textSecondary,
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),
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),
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],
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),
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centerTitle: true,
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actions: [
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Container(
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margin: const EdgeInsets.only(right: 12),
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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),
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child: Text(
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'剩余${state.quotaRemaining}/${state.quotaTotal}次',
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style: const TextStyle(
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fontSize: 15,
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color: AppColors.textPrimary,
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fontWeight: FontWeight.w500,
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),
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),
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),
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],
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),
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body: state.isLoading
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? const Center(
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child: CircularProgressIndicator(color: AppTheme.primaryLight),
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)
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: Column(
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children: [
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Expanded(child: _buildMessageList(state)),
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_buildInputBar(canSend),
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],
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),
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);
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}
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Widget _buildMessageList(ConsultationChatState state) {
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if (state.messages.isEmpty) {
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return const Center(
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child: Text('暂无消息', style: TextStyle(color: Color(0xFFBBBBBB))),
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);
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}
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return ListView.builder(
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controller: _scrollCtrl,
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
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itemCount: state.messages.length,
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itemBuilder: (ctx, i) => _buildBubble(state, state.messages[i]),
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);
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}
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Widget _buildBubble(ConsultationChatState state, ConsultationMsg msg) {
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final isUser = msg.senderType == 'User';
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final isAi = msg.senderType == 'Ai';
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return Align(
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alignment: isUser ? Alignment.centerRight : Alignment.centerLeft,
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child: Container(
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margin: const EdgeInsets.only(bottom: 12),
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
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constraints: BoxConstraints(
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maxWidth: MediaQuery.sizeOf(context).width * 0.82,
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),
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decoration: BoxDecoration(
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color: isUser ? AppTheme.primary : const Color(0xFFFEFEFF),
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(isUser ? 20 : 4),
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topRight: Radius.circular(isUser ? 4 : 20),
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bottomLeft: const Radius.circular(20),
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bottomRight: const Radius.circular(20),
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),
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border: isUser
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? null
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: Border.all(color: const Color(0xFFD8DCFD), width: 1.5),
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boxShadow: isUser
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? []
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: [
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BoxShadow(
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color: AppTheme.primary.withAlpha(12),
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blurRadius: 10,
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offset: const Offset(0, 3),
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),
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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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if (!isUser && msg.senderName != null) ...[
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Row(
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children: [
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const CircleAvatar(
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radius: 10,
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backgroundColor: AppColors.iconBg,
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child: Icon(
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Icons.forum_outlined,
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size: 15,
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color: AppColors.primary,
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),
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),
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const SizedBox(width: 6),
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Text(
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msg.senderName!,
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style: const TextStyle(
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fontSize: 15,
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color: Color(0xFF9E9E9E),
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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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],
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if (isUser)
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Text(
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msg.content,
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style: const TextStyle(
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fontSize: 19,
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color: Colors.white,
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height: 1.4,
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),
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)
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else
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MarkdownBody(
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data: msg.content,
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selectable: true,
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styleSheet: MarkdownStyleSheet(
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p: const TextStyle(
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fontSize: 19,
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color: Color(0xFF1A1A1A),
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height: 1.5,
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),
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),
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),
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if (isAi) ...[
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const SizedBox(height: 8),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(
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color: const Color(0xFFFFF8E1),
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borderRadius: BorderRadius.circular(6),
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),
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child: Text(
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'🏷️ 以上为AI分析，具体请咨询${state.doctorName}',
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style: const TextStyle(
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fontSize: 13,
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color: Color(0xFFF9A825),
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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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}
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Widget _buildInputBar(bool canSend) {
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return Container(
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padding: const EdgeInsets.fromLTRB(12, 8, 12, 10),
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decoration: BoxDecoration(
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color: Colors.white,
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border: const Border(top: BorderSide(color: AppColors.divider)),
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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Expanded(
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child: Container(
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constraints: const BoxConstraints(maxHeight: 120),
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decoration: BoxDecoration(
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color: AppColors.backgroundSoft,
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borderRadius: BorderRadius.circular(20),
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border: Border.all(color: AppColors.border),
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),
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child: TextField(
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controller: _textCtrl,
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enabled: canSend,
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maxLines: null,
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style: const TextStyle(fontSize: 18),
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decoration: InputDecoration(
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hintText: canSend ? '描述您的症状...' : '对话已结束',
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hintStyle: const TextStyle(
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fontSize: 18,
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color: Color(0xFFBBBBBB),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 10,
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),
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border: const OutlineInputBorder(
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borderRadius: BorderRadius.all(Radius.circular(20)),
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borderSide: BorderSide(color: AppColors.border),
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),
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enabledBorder: const OutlineInputBorder(
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borderRadius: BorderRadius.all(Radius.circular(20)),
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borderSide: BorderSide(color: AppColors.border),
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),
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focusedBorder: const OutlineInputBorder(
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borderRadius: BorderRadius.all(Radius.circular(20)),
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borderSide: BorderSide(color: AppColors.primary),
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),
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),
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onSubmitted: (_) => _send(),
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),
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),
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),
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const SizedBox(width: 8),
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GestureDetector(
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onTap: canSend ? _send : null,
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child: Container(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
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color: canSend
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? AppColors.blueMeasure
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: const Color(0xFFCCCCCC),
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borderRadius: BorderRadius.circular(20),
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),
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child: const Icon(
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Icons.send_rounded,
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size: 20,
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color: Colors.white,
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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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