LiveGlam activateWaitlistSubscriber function

gistfile1.txt

public function activateWaitlistSubscriber() {
    $productCategories = LiveGlam_ProductCategory::getAll();
    if(!empty($productCategories)) {
      foreach( $productCategories as $cat ) {
        $wsa = new LiveGlam_WaitlistSubscriberActivate( $cat->key );
        $subAvailCount = $wsa->subscriptionsAvailableTest();
        if( $subAvailCount >= 1 ) {
          $subscriberToActivate = $wsa->getWaitlistSubscriberFrontOfLine();
          if( $subscriberToActivate ) {
            $wsa->activate();
          }
        }
      }
    }
  }