feat: upload service account credentials

server/src/routes/integration.ts

@@ -1,5 +1,7 @@
 import { Router } from 'express';;
 import { google, sheets_v4 } from "googleapis";
+import fs from 'fs';
+import path from 'path';
 
 export const router = Router()
 
@@ -9,4 +11,10 @@ router.post('/upload-credentials', (req, res) => {
   
     if (!credentials) {
       return res.status(400).json({ message: 'Credentials are required.' });
-    }
+    }
+    // Todo: Store the credentials in a secure place (for test, we store them locally)
+  const storedCredentialsPath = path.join(__dirname, 'service_account_credentials.json');
+  fs.writeFileSync(storedCredentialsPath, JSON.stringify(credentials));
+
+  res.status(200).json({ message: 'Service Account credentials saved successfully.' });
+});