Initial commit: 健康管家 AI 健康陪伴助手

- 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
2026-06-02 11:11:29 +08:00
commit 14d7c30d3d
144 changed files with 11436 additions and 0 deletions
--- a/health_app/lib/pages/home/widgets/chat_messages_view.dart
+++ b/health_app/lib/pages/home/widgets/chat_messages_view.dart
@@ -0,0 +1,88 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../../providers/chat_provider.dart';
+
+/// 对话消息列表
+class ChatMessagesView extends ConsumerWidget {
+  final ScrollController scrollCtrl;
+  final List<ChatMessage> messages;
+
+  const ChatMessagesView({super.key, required this.scrollCtrl, required this.messages});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final chatState = ref.watch(chatProvider);
+
+    if (messages.isEmpty) {
+      return Center(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(Icons.chat_bubble_outline, size: 48, color: Colors.grey[300]),
+            const SizedBox(height: 12),
+            Text('开始和 AI 健康管家对话吧', style: Theme.of(context).textTheme.bodyMedium),
+          ],
+        ),
+      );
+    }
+
+    return ListView.builder(
+      controller: scrollCtrl,
+      reverse: true,
+      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+      itemCount: messages.length,
+      itemBuilder: (context, index) {
+        final msg = messages[messages.length - 1 - index];
+        return _buildMessageBubble(context, msg, chatState);
+      },
+    );
+  }
+
+  Widget _buildMessageBubble(BuildContext context, ChatMessage msg, ChatState chatState) {
+    final isUser = msg.isUser;
+    return Align(
+      alignment: isUser ? Alignment.centerRight : Alignment.centerLeft,
+      child: Container(
+        margin: const EdgeInsets.only(bottom: 12),
+        constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.78),
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+        decoration: BoxDecoration(
+          color: isUser ? const Color(0xFF635BFF) : Colors.white,
+          borderRadius: BorderRadius.circular(16),
+          border: isUser ? null : const Border(left: BorderSide(color: Color(0xFF635BFF), width: 3)),
+        ),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            if (!isUser && chatState.isStreaming && msg.content.isEmpty)
+              _buildThinkingIndicator()
+            else
+              Text(
+                msg.content.isEmpty && !isUser ? '...' : msg.content,
+                style: TextStyle(fontSize: 16, color: isUser ? Colors.white : const Color(0xFF1A1A1A)),
+              ),
+            if (!isUser && msg.content.isNotEmpty && !chatState.isStreaming)
+              Padding(
+                padding: const EdgeInsets.only(top: 8),
+                child: Text(
+                  'AI 健康管家 · 仅供参考',
+                  style: TextStyle(fontSize: 12, color: Colors.grey[400]),
+                ),
+              ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildThinkingIndicator() {
+    return const Row(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        SizedBox(width: 14, height: 14, child: CircularProgressIndicator(strokeWidth: 2)),
+        SizedBox(width: 8),
+        Text('思考中...', style: TextStyle(fontSize: 14, color: Color(0xFF999999))),
+      ],
+    );
+  }
+}