MAGETWO-53342: Duplicating url keys on creating configurable product

- add i18n support

Author: mslabko

app/code/Magento/CatalogImportExport/Model/Import/Product.php

@@ -17,7 +17,7 @@
 use Magento\ImportExport\Model\Import\ErrorProcessing\ProcessingError;
 use Magento\ImportExport\Model\Import\ErrorProcessing\ProcessingErrorAggregatorInterface;
 use Magento\ImportExport\Model\Import\Entity\AbstractEntity;
-
+use Magento\Catalog\Model\Product\Visibility;
 /**
  * Import entity product model
  * @SuppressWarnings(PHPMD.TooManyFields)
@@ -108,11 +108,6 @@ class Product extends \Magento\ImportExport\Model\Import\Entity\AbstractEntity
      */
     const COL_VISIBILITY = 'visibility';
 
-    /**
-     * Column product visibility value.
-     */
-    const COL_VALUE_VISIBILITY_NON_VISIBLE = 'Not Visible Individually';
-
     /**
      * Column product sku.
      */
@@ -2326,7 +2321,8 @@ private function isNeedToValidateUrlKey($rowData)
     {
         return (!empty($rowData[self::URL_KEY]) || !empty($rowData[self::COL_NAME]))
             && (empty($rowData[self::COL_VISIBILITY])
-            || $rowData[self::COL_VISIBILITY] !== self::COL_VALUE_VISIBILITY_NON_VISIBLE);
+            || $rowData[self::COL_VISIBILITY]
+            !== (string)Visibility::getOptionArray()[Visibility::VISIBILITY_NOT_VISIBLE]);
     }
 
     /**

app/code/Magento/CatalogUrlRewrite/Observer/AfterImportDataObserver.php

@@ -19,7 +19,7 @@
 use Magento\UrlRewrite\Model\OptionProvider;
 use Magento\UrlRewrite\Model\UrlFinderInterface;
 use Magento\Framework\Event\ObserverInterface;
-
+use Magento\Catalog\Model\Product\Visibility;
 /**
  * Class AfterImportDataObserver
  *
@@ -222,7 +222,7 @@ protected function setStoreToProduct(\Magento\Catalog\Model\Product $product, ar
      */
     protected function addProductToImport($product, $storeId)
     {
-        if ($product->getVisibility() == ImportProduct::COL_VALUE_VISIBILITY_NON_VISIBLE) {
+        if ($product->getVisibility() == (string)Visibility::getOptionArray()[Visibility::VISIBILITY_NOT_VISIBLE]) {
             return $this;
         }
         if (!isset($this->products[$product->getId()])) {