cancelSubscription() protected method

Handle a subscription cancellation notification from Braintree.
protected cancelSubscription ( string $subscriptionId ) : Illuminate\Http\Response
$subscriptionId string
return Illuminate\Http\Response
 /**
  * Handle a subscription cancellation notification from Braintree.
  *
  * @param  string  $subscriptionId
  * @return Response
  */
 protected function cancelSubscription($subscriptionId)
 {
     parent::cancelSubscription($subscriptionId);
     if (!$this->getSubscriptionById($subscriptionId)) {
         return $this->cancelTeamSubscription($subscriptionId);
     }
     if ($subscription = $this->getSubscriptionById($subscriptionId)) {
         event(new SubscriptionCancelled($subscription->user));
     }
     return new Response('Webhook Handled', 200);
 }