Get emailed about large new expenses

from clickruntime import on_event, credentials, http, notify

FB = "https://api.freshbooks.com"

def fb():
    token = credentials.connection("freshbooks", "work")
    headers = {"Authorization": f"Bearer {token}"}
    me = http.get(f"{FB}/auth/api/v1/users/me", headers=headers).json()["response"]
    return headers, me["business_memberships"][0]["business"]["account_id"]

@on_event
def handle(event):
    data = event.json or {}
    headers, account = fb()
    if "verifier" in data:  # one-time callback verification
        http.put(f"{FB}/events/account/{account}/events/callbacks/{data['callback_id']}", headers=headers,
                 json={"callback": {"verifier": data["verifier"]}})
        return {"verified": True}
    if data.get("name") != "expense.create":
        return {"skipped": data.get("name")}
    base = f"{FB}/accounting/account/{account}/expenses"
    exp = http.get(f"{base}/expenses/{data['object_id']}", headers=headers).json()["response"]["result"]["expense"]
    amount = float(exp["amount"]["amount"])
    if amount <= 500:
        return {"skipped": "under 500"}
    cat = http.get(f"{base}/categories/{exp['categoryid']}", headers=headers).json()["response"]["result"]["category"]
    notify.email_me(f"New expense: {amount:,.2f} at {exp['vendor']}",
                    f"Vendor: {exp['vendor']}\nCategory: {cat['category']}\nAmount: {amount:,.2f} {exp['amount']['code']}\nLogged by staff #{exp['staffid']}")
    return {"expense_id": data["object_id"]}