bug fix for saving and restarting notebook

assignment-service/routes/StudentRouter.js

@@ -10,28 +10,30 @@ studentRouter.post("/save", async (req, res) => {
     //get the app name and code and save the latest jupyter file in s3 bucket
     const { appName, code } = req.body;
 
+    console.log("Received save request for app:", appName);
+
     const notebook = {
       cells: [
-        {
+      {
-          cell_type: "code",
+        cell_type: "code",
-          execution_count: null,
+        execution_count: null,
-          metadata: {
+        metadata: {
-            language: "python"
+        language: "python"
-          },
+        },
-          outputs: [],
+        outputs: [],
-          source: code.split('\n').map(line => line + '\n')
+        source: code.split('\n').map(line => line + '\n')
-        }
+      }
       ],
       metadata: {
-        kernelspec: {
+      kernelspec: {
-          display_name: "Python 3",
+        display_name: "Python 3",
-          language: "python",
+        language: "python",
-          name: "python3"
+        name: "python3"
-        },
+      },
-        language_info: {
+      language_info: {
-          name: "python",
+        name: "python",
-          version: "3.x"
+        version: "3.x"
-        }
+      }
       },
       nbformat: 4,
       nbformat_minor: 5
@@ -43,23 +45,25 @@ studentRouter.post("/save", async (req, res) => {
 
     const notebookName = `${Date.now()}-notebook.ipynb`;
     console.log("DEPLOY_API_URL:", DEPLOY_API_URL);
+    console.log("Uploading notebook:", notebookName, "to app:", appName);
+
     await fetch(`${DEPLOY_API_URL}/${appName}/upload`, {
-        method: "POST",
+      method: "POST",
-        headers: { "Content-Type": "application/json" },
+      headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ notebookName: notebookName, fileContentBase64: base64 })
+      body: JSON.stringify({ notebookName: notebookName, fileContentBase64: base64 })
     })
-        .then((response) => {
+      .then((response) => {
-            if (!response.ok) throw new Error("Failed to save notebook");
+        if (!response.ok) throw new Error("Failed to save notebook");
-            return response.json();
+        return response.json();
-        })
+      })
-        .then((data) => {
+      .then((data) => {
-            console.log("Notebook saved successfully:", data);
+        console.log("Notebook saved successfully:", data);
-            res.status(200).json(data);
+        res.status(200).json(data);
-        })
+      })
-        .catch((error) => {
+      .catch((error) => {
-            console.error("Error saving notebook:", error.message);
+        console.error("Error saving notebook:", error.message);
-            res.status(500).json({ error: error.message });
+        res.status(500).json({ error: error.message });
-        });
+      });
 });
 
 studentRouter.get("/assignment/:qrnum", (req, res) => {

auth-service/routes/api.js

@@ -3,20 +3,22 @@ const api = require("express").Router();
 
 const ASSIGNMENT_SERVICE_URL = process.env.ASSIGNMENT_SERVICE_URL;
 
-// rerout to asisgnment url
-api.use((req, res, next) => {
-  console.log(`Proxying request to: ${ASSIGNMENT_SERVICE_URL} : original url : ${req.originalUrl}`);
-  next();
-});
-
 api.use(
-  '/',
+  '/',  
   createProxyMiddleware({
     target: ASSIGNMENT_SERVICE_URL,
     changeOrigin: true,
+    logLevel: 'debug',
     pathRewrite: {
-      '^/api': '', //  only remove /api
+      '^/api': '', // remove "/api" from the start
     },
+    onProxyReq(proxyReq, req, res) {
+      console.log(`Proxying request to: ${ASSIGNMENT_SERVICE_URL}${req.url}`);
+    },
+    onError(err, req, res) {
+      console.error('Proxy error:', err.message);
+      res.status(502).send('Bad Gateway: Failed to connect to target');
+    }
   })
 );
 

auth-service/routes/auth.js

@@ -2,6 +2,13 @@ const auth = require("express").Router();
 const passport = require("passport");
 const axios = require("axios");
 
+const express = require("express");
+
+const bodyParser = require("body-parser");
+
+auth.use(express.json());
+auth.use(bodyParser.urlencoded({ extended: true }));
+
 const AUTH_URL = process.env.AUTH_URL || "http://localhost:8080";
 
 auth.get(

auth-service/server.js

@@ -7,11 +7,8 @@ const passportSetup = require("./passport");
 const authRoute = require("./routes/auth");
 const apiRoute = require("./routes/api");
 const session = require("express-session");
-const bodyParser = require("body-parser");
 
 const app = express();
-app.use(express.json());
-app.use(bodyParser.urlencoded({ extended: true }));
 
 // console.log("AUTH_URL:", process.env.AUTH_URL);
 const isProduction = process.env.NODE_ENV === "production";