/**
  * Returns the shopware category id
  *
  * @param integer $categoryId
  * @param integer $storeId
  * @return integer
  */
 public static function getCategoryByPlentyID($categoryId, $storeId)
 {
     $category = PlentymarketsMappingController::getCategoryByPlentyID(self::getIdentifier($categoryId, $storeId));
     $parts = explode(self::DELIMITER, $category);
     return (int) $parts[0];
 }