Set a due date on new monday.com items automatically

import json
from datetime import date, timedelta
from clickruntime import on_event, credentials, http

DAYS = {"High": 1, "Medium": 3}
DEFAULT_DAYS = 5
ITEM = """query ($id: [ID!]) { items(ids: $id) { board { id } column_values(ids: ["date", "priority"]) { id text } } }"""
SET = """mutation ($board: ID!, $item: ID!, $value: JSON!) {
  change_column_value(board_id: $board, item_id: $item, column_id: "date", value: $value) { id } }"""
def monday(query, **variables):
    resp = http.post("https://api.monday.com/v2", json={"query": query, "variables": variables},
                     headers={"Authorization": credentials.secret("MONDAY_API_TOKEN"), "API-Version": "2024-10"})
    resp.raise_for_status()
    return resp.json()["data"]

def working_days_ahead(n):
    d = date.today()
    while n > 0:
        d += timedelta(days=1)
        if d.weekday() < 5:
            n -= 1
    return d

@on_event
def handle(event):
    body = event.json or {}
    if "challenge" in body:
        return {"challenge": body["challenge"]}
    item_id = body["event"]["pulseId"]
    item = monday(ITEM, id=[item_id])["items"][0]
    c = {v["id"]: v["text"] for v in item["column_values"]}
    if c.get("date"):
        return {"skipped": "already has a due date"}
    days = DAYS.get(c.get("priority") or "", DEFAULT_DAYS)
    due = working_days_ahead(days).isoformat()
    monday(SET, board=item["board"]["id"], item=item_id, value=json.dumps({"date": due}))
    return {"item": item_id, "due": due, "days": days}