ai chat init

backend/ai/chat.py

@@ -0,0 +1,26 @@
+from channels.generic.websocket import AsyncWebsocketConsumer
+import json
+from ai.langchain_client import get_ai_reply_stream
+from ai.utils import get_first_available_ai_config
+
+
+class ChatConsumer(AsyncWebsocketConsumer):
+    async def connect(self):
+        await self.accept()
+
+    async def disconnect(self, close_code):
+        pass
+
+    async def receive(self, text_data):
+        data = json.loads(text_data)
+        user_message = data.get("message", "")
+
+        model, api_key, api_base = await get_first_available_ai_config()
+
+        async def send_chunk(chunk):
+            await self.send(text_data=json.dumps({"is_streaming": True, "message": chunk}))
+
+        await get_ai_reply_stream(user_message, send_chunk, model_name=model, api_key=api_key, api_base=api_base)
+
+        # 结束标记
+        await self.send(text_data=json.dumps({"done": True}))