Timeout before sending + fix api

cloud/app.py

@@ -3,6 +3,7 @@ import base64
 import uuid
 import datetime
 import sys
+import json
 from flask import Flask, request, jsonify
 from pymongo import MongoClient
 from APIs import generate, EdamamAPI
@@ -112,14 +113,23 @@ def cooking_params():
 def telemetry():
     data = request.get_json()
     
-    if not data:
+    if data is None:
         return jsonify({"error": "Invalid or missing JSON payload"}), 400
 
+    # If the payload was double-encoded as a string, deserialize it
+    if isinstance(data, str):
+        try:
+            data = json.loads(data)
+        except (json.JSONDecodeError, TypeError):
+            return jsonify({"error": "String payload could not be parsed as JSON"}), 400
+
+    if not isinstance(data, dict):
+        return jsonify({"error": "Expected a JSON object/dictionary"}), 400
+
     # Stamp UTC timestamp for Node-RED queries
     data["received_at"] = datetime.datetime.now(datetime.timezone.utc).isoformat()
 
     try:
-        # Mongo creates '_id' automatically upon insertion
         telemetry_collection.insert_one(data)
         return jsonify({"status": "success", "message": "Telemetry saved"}), 200