14d7c30d3d
- Backend: .NET 10 Minimal API + EF Core + PostgreSQL - Frontend: Flutter + Riverpod + GoRouter + Dio - AI: DeepSeek LLM + Qwen VLM (OpenAI-compatible) - Auth: SMS + JWT (access/refresh tokens) - Features: AI chat, health tracking, medication management, diet analysis, exercise plans, doctor consultations, report analysis
89 lines
3.1 KiB
Dart
89 lines
3.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../../providers/chat_provider.dart';
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/// 对话消息列表
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class ChatMessagesView extends ConsumerWidget {
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final ScrollController scrollCtrl;
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final List<ChatMessage> messages;
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const ChatMessagesView({super.key, required this.scrollCtrl, required this.messages});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final chatState = ref.watch(chatProvider);
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if (messages.isEmpty) {
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return Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(Icons.chat_bubble_outline, size: 48, color: Colors.grey[300]),
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const SizedBox(height: 12),
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Text('开始和 AI 健康管家对话吧', style: Theme.of(context).textTheme.bodyMedium),
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],
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),
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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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reverse: true,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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itemCount: messages.length,
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itemBuilder: (context, index) {
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final msg = messages[messages.length - 1 - index];
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return _buildMessageBubble(context, msg, chatState);
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},
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);
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}
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Widget _buildMessageBubble(BuildContext context, ChatMessage msg, ChatState chatState) {
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final isUser = msg.isUser;
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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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constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.78),
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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decoration: BoxDecoration(
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color: isUser ? const Color(0xFF635BFF) : Colors.white,
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borderRadius: BorderRadius.circular(16),
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border: isUser ? null : const Border(left: BorderSide(color: Color(0xFF635BFF), width: 3)),
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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 && chatState.isStreaming && msg.content.isEmpty)
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_buildThinkingIndicator()
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else
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Text(
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msg.content.isEmpty && !isUser ? '...' : msg.content,
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style: TextStyle(fontSize: 16, color: isUser ? Colors.white : const Color(0xFF1A1A1A)),
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),
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if (!isUser && msg.content.isNotEmpty && !chatState.isStreaming)
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Padding(
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padding: const EdgeInsets.only(top: 8),
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child: Text(
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'AI 健康管家 · 仅供参考',
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style: TextStyle(fontSize: 12, color: Colors.grey[400]),
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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 _buildThinkingIndicator() {
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return const Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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SizedBox(width: 14, height: 14, child: CircularProgressIndicator(strokeWidth: 2)),
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SizedBox(width: 8),
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Text('思考中...', style: TextStyle(fontSize: 14, color: Color(0xFF999999))),
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],
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);
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}
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}
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