Services built around your business.

export async function createInvoice(
  tenant: TenantId,
  input: InvoiceInput,
) {
  const data = parse(InvoiceSchema, input);
  await assertAccess(tenant, 'invoice:write');
  return db.invoices.insert({ tenant, ...data });
}

export function totalDue(items: Line[]) {
  return items.reduce((sum, l) => sum + l.qty * l.price, 0);
}