/**
  * {@inheritdoc}
  */
 public function generateCondition(ConditionInterface $condition, QueryBuilder $query, ShopContextInterface $context)
 {
     $query->leftJoin('product', 's_articles_avoid_customergroups', 'avoidCustomerGroup', 'avoidCustomerGroup.articleID = product.id
          AND avoidCustomerGroup.customerGroupId IN (:customerGroupIds)');
     /** @var CustomerGroupCondition $condition */
     $query->setParameter(':customerGroupIds', $condition->getCustomerGroupIds(), Connection::PARAM_INT_ARRAY);
     $query->andWhere('avoidCustomerGroup.articleID IS NULL');
 }