adding meta data for feedback loop

app.py

@@ -3,6 +3,7 @@ import requests
 import json
 from json.decoder import JSONDecodeError
 import time
+import uuid
 import sys
 from subprocess import call
 from pip._internal import main as pip
@@ -34,6 +35,10 @@ from io import BytesIO
 run_cmd('pip -q install pydub')
 from pydub import AudioSegment
 
+current_session_id = ""
+DEMO_APP_ID = "demo_app_id"
+DEMO_USER_ID = "demo_user_id"
+
 def predict(audio_file_path):
     if(audio_file_path == None):
         output = "Please record your voice using the record button before submitting :)"
@@ -51,6 +56,10 @@ def predict(audio_file_path):
     # If authentication is enabled, set the authorization header
     headers['Authorization'] = f'Bearer {key}'
     # Make the request and display the response
+    global current_session_id 
+    current_session_id = str(uuid.uuid4())
+    
+    input_data = append_auth_bytes(input_data)
     resp = requests.post(scoring_uri, input_data, headers=headers)
     try:
         obj = json.loads(resp.text)
@@ -88,6 +97,14 @@ def predict(audio_file_path):
 
 btn_label_dict = {'Child': 'child_unknown', 'Teen Female': 'teens_female', 'Teen Male':'teens_male', 'Adult Female':'twenties+_female', 'Adult Male':'twenties+_male'}
 
+def append_auth_bytes(input_data):
+    auth_string = DEMO_APP_ID + str(len(DEMO_APP_ID)) + DEMO_USER_ID + str(len(DEMO_USER_ID)) + current_session_id + str(len(current_session_id))
+    print(auth_string)
+    auth_bytes = bytes(auth_string, 'utf-8')
+    
+    new_input_data = input_data + auth_bytes
+    return new_input_data
+
 def send_flag_correction(btn):
     correct_label = btn
     correct_label = btn_label_dict[btn]
@@ -97,7 +114,7 @@ def send_flag_correction(btn):
     headers['Authorization'] = f'Bearer {key}'
     
     # format a json object containing the correct_label variable
-    input_data = json.dumps({"correct_label": correct_label})
+    input_data = json.dumps({"correct_label": correct_label, "session_id": current_session_id})
     
     resp = requests.post(scoring_uri + "?feedback", input_data, headers=headers)
     print(resp.text)