Find the trust, data-lineage, and effect-order bugs a generated explanation could miss.
JavaScript
let lastTenant = "";
export function handleOrder(request, dependencies) {
const input = JSON.parse(request.body);
lastTenant = request.headers["x-tenant"];
const totalCents = input.items.reduce(
(sum, item) => sum + item.priceCents * item.quantity,
0,
);
dependencies.payments.charge(lastTenant, totalCents);
dependencies.events.publish({ type: "OrderPaid", id: input.id });
dependencies.orders.save({ ...input, tenant: lastTenant, totalCents });
return { status: 201, id: input.id };
}