/**
  * @param Product $product
  * @return void
  */
 private function saveAttributes(Product $product)
 {
     if ($product->isAttributesModified()) {
         $this->getDb()->query("DELETE FROM product_attribute WHERE product_id = :productId", [':productId' => $product->getId()]);
         foreach ($product->getAttributes() as $attribute) {
             if ($attribute['attribute_id']) {
                 $this->getDb()->query("DELETE FROM product_attribute WHERE product_id = :productId AND attribute_id = :attributeId", [':productId' => $product->getId(), ':attributeId' => $attribute['attribute_id']]);
                 foreach ($attribute['product_attribute_description'] as $language_id => $product_attribute_description) {
                     $this->getDb()->query("\n                            INSERT INTO product_attribute\n                            SET\n                                product_id = :productId,\n                                attribute_id = :attributeId,\n                                language_id = :languageId,\n                                `text` = :text\n                            ", [':productId' => $product->getId(), ':attributeId' => $attribute['attribute_id'], ':languageId' => $language_id, ':text' => $product_attribute_description['text']]);
                 }
             }
         }
     }
 }