Added better comments

main.py

@@ -113,8 +113,11 @@ def createChat():
     user = usersCollection.find_one({'tokens.token': token}, {"_id":1,"tokens":{"$elemMatch": {"token":token}}})
     # If the user exists, continue, otherwise return fail
     if (user):
+        # Convert _id to a string, python doesn't like ObjectId()
         user['_id'] = str(user['_id'])
+        # Check if the token expiry is after the current date (Using unix timestamp, other mongodb Date datatype is a pain to use in python)
         if (user['tokens'][0]['expiry'] > int(datetime.now().timestamp())):
+            # Store the userId
             userId = user['_id']
             print(user)
             print(user['permissions'])