added route to express

backend/routes/langchainCallRoute.js

@@ -97,4 +97,29 @@ langchainCallRoute.post("/askhfsql", async (req, res) => {
   }
 });
 
+//Endpoint for HuggingFaceChef
+langchainCallRoute.post("/askhfchef", async (req, res) => {
+  //call fastapi from this endpoint
+  try {
+    //get user input
+    const userInput = req.body.data;
+
+    //make request to fastapi server
+    const fastResponse = await axios.post(
+      "http://langchain:8000/hfprocesschef",
+      {
+        human_input: userInput,
+      }
+    );
+
+    //response from fastapi
+    const dataFromFastapi = fastResponse.data;
+
+    res.json({ message: "Successful call to FastAPI", dataFromFastapi });
+  } catch (error) {
+    console.error("Error calling FastAPI", error);
+    res.status(500).json({ error: "Failed to call FastAPI" });
+  }
+});
+
 export default langchainCallRoute;