Function getSubscriptionLinePeriod

apps/sim/lib/billing/webhooks/invoices.ts:37–55

(
  invoice: Stripe.Invoice,
  stripeSubscriptionId: string
)

const logger = createLogger('StripeInvoiceWebhooks')

function getSubscriptionLinePeriod(
  invoice: Stripe.Invoice,
  stripeSubscriptionId: string
): { periodStart: Date; periodEnd: Date } | null {
  const subscriptionLine = invoice.lines?.data?.find(
    (line) =>
      line.parent?.type === 'subscription_item_details' &&
      line.parent.subscription_item_details?.subscription === stripeSubscriptionId
  )

  if (!subscriptionLine?.period?.start || !subscriptionLine.period.end) {
    return null
  }

  return {
    periodStart: new Date(subscriptionLine.period.start * 1000),
    periodEnd: new Date(subscriptionLine.period.end * 1000),
  }
}

const METADATA_SUBSCRIPTION_INVOICE_TYPES = new Set<string>([
  'overage_billing',