Post yesterday's Lemon Squeezy sales each morning

from collections import Counter
from datetime import date, timedelta
from clickruntime import on_trigger, credentials, http, notify

STORE_ID = "12345"

@on_trigger
def run(event):
    headers = {"Authorization": f"Bearer {credentials.secret('LEMONSQUEEZY_API_KEY')}",
               "Accept": "application/vnd.api+json"}
    day = (date.today() - timedelta(days=1)).isoformat()
    url, params = "https://api.lemonsqueezy.com/v1/orders", {"filter[store_id]": STORE_ID, "page[size]": 100}
    revenue, products, done = 0, Counter(), False
    while url and not done:
        body = http.get(url, headers=headers, params=params).json()
        for o in body["data"]:
            a = o["attributes"]
            if a["created_at"][:10] < day:
                done = True  # newest first, so everything after is older
                break
            if a["created_at"][:10] == day and a["status"] == "paid":
                revenue += a["total"]
                products[a["first_order_item"]["product_name"]] += 1
        url, params = body["links"].get("next"), None
    count = sum(products.values())
    best = products.most_common(1)[0][0] if products else "none"
    notify.slack(f"Lemon Squeezy {day}: {count} orders, ${revenue / 100:,.2f}. Top product: {best}", channel="#sales")
    return {"orders": count, "revenue": revenue / 100}