Answer a Hi Doctor questionnaire one question at a time

curl --silent --show-error --max-time 30 \
  "$HD_BASE_URL/v1/users/questionnaires/weight-loss/current/?locale=en" \
  -H "Authorization: Bearer $HD_ACCESS_TOKEN" \
  -H "X-Brand-Slug: hi-doctor" \
  -H "Accept: application/json"

import os
import requests

base = os.environ["HD_BASE_URL"].rstrip("/")
session = requests.Session()
session.headers.update({
    "Authorization": "Bearer " + os.environ["HD_ACCESS_TOKEN"],
    "X-Brand-Slug": "hi-doctor",
    "Accept": "application/json",
})
flow_url = base + "/v1/users/questionnaires/weight-loss/"

current = session.get(flow_url + "current/", params={"locale": "en"}, timeout=30)
current.raise_for_status()
flow = current.json()
question = flow["question"]  # None when nothing is pending

const base = process.env.HD_BASE_URL.replace(/\/$/, "");
const headers = {
  Authorization: `Bearer ${process.env.HD_ACCESS_TOKEN}`,
  "X-Brand-Slug": "hi-doctor",
  Accept: "application/json",
};
const flowUrl = `${base}/v1/users/questionnaires/weight-loss/`;

const response = await fetch(`${flowUrl}current/?locale=en`, {
  headers,
  redirect: "error",
  signal: AbortSignal.timeout(30000),
});
if (!response.ok) throw new Error(`current HTTP ${response.status}`);
const flow = await response.json();
const question = flow.question; // null when nothing is pending

curl --silent --show-error --max-time 30 --request POST \
  "$HD_BASE_URL/v1/users/questionnaires/weight-loss/answer/" \
  -H "Authorization: Bearer $HD_ACCESS_TOKEN" \
  -H "X-Brand-Slug: hi-doctor" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  --data '{"question_key": "weight_loss-02-gender", "value": "male", "expected_revision": "r-8f3c2a91"}'

answer = session.post(flow_url + "answer/", json={
    "question_key": question["question_key"],
    "value": "male",  # the value the patient chose
    "expected_revision": flow["revision"],
}, timeout=30)
if answer.status_code == 409:
    flow = session.get(flow_url + "current/", timeout=30).json()  # re-read, then ask again
else:
    answer.raise_for_status()
    flow = answer.json()

const answer = await fetch(`${flowUrl}answer/`, {
  method: "POST",
  headers: { ...headers, "Content-Type": "application/json" },
  body: JSON.stringify({
    question_key: question.question_key,
    value: "male", // the value the patient chose
    expected_revision: flow.revision,
  }),
  redirect: "error",
  signal: AbortSignal.timeout(30000),
});
if (answer.status === 409) {
  // Another write changed the draft: re-read current before asking again.
} else if (!answer.ok) {
  throw new Error(`answer HTTP ${answer.status}`);
}
const next = answer.ok ? await answer.json() : null;