MAGETWO-99927: Product URL rewrites are always regenerated if products are updated via CSV import in default scope

Author: Oleksandr Iegorov

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

@@ -2487,6 +2487,12 @@ public function validateRow(array $rowData, $rowNum)
      */
     private function isNeedToValidateUrlKey($rowData)
     {
+        if (!empty($rowData[self::COL_SKU]) && empty($rowData[self::URL_KEY])
+            && $this->getBehavior() === Import::BEHAVIOR_APPEND
+            && $this->isSkuExist($rowData[self::COL_SKU])) {
+            return false;
+        }
+
         return (!empty($rowData[self::URL_KEY]) || !empty($rowData[self::COL_NAME]))
             && (empty($rowData[self::COL_VISIBILITY])
                 || $rowData[self::COL_VISIBILITY]
@@ -2810,7 +2816,8 @@ protected function getUrlKey($rowData)
             return trim(strtolower($urlKey));
         }
 
-        if (!empty($rowData[self::COL_NAME])) {
+        if (!empty($rowData[self::COL_NAME])
+            && (array_key_exists(self::URL_KEY, $rowData) || !$this->isSkuExist($rowData[self::COL_SKU]))) {
             return $this->productUrl->formatUrlKey($rowData[self::COL_NAME]);
         }
 

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

@@ -255,11 +255,8 @@ public function execute(Observer $observer)
     protected function _populateForUrlGeneration($rowData)
     {
         $newSku = $this->import->getNewSku($rowData[ImportProduct::COL_SKU]);
-        if (empty($newSku) || !isset($newSku['entity_id'])) {
-            return null;
-        }
-        if ($this->import->getRowScope($rowData) == ImportProduct::SCOPE_STORE
-            && empty($rowData[self::URL_KEY_ATTRIBUTE_CODE])) {
+        $oldSku = $this->import->getOldSku();
+        if (!$this->isNeedToPopulateForUrlGeneration($rowData, $newSku, $oldSku)) {
             return null;
         }
         $rowData['entity_id'] = $newSku['entity_id'];
@@ -292,6 +289,27 @@ protected function _populateForUrlGeneration($rowData)
         return $this;
     }
 
+    /**
+     * Check is need to populate data for url generation
+     *
+     * @param array $rowData
+     * @param array $newSku
+     * @param array $oldSku
+     * @return bool
+     */
+    private function isNeedToPopulateForUrlGeneration($rowData, $newSku, $oldSku): bool
+    {
+        if ((empty($newSku) || !isset($newSku['entity_id']))
+            || ($this->import->getRowScope($rowData) == ImportProduct::SCOPE_STORE
+                && empty($rowData[self::URL_KEY_ATTRIBUTE_CODE]))
+            || (array_key_exists($rowData[ImportProduct::COL_SKU], $oldSku)
+                && !isset($rowData[self::URL_KEY_ATTRIBUTE_CODE])
+                && $this->import->getBehavior() === ImportExport::BEHAVIOR_APPEND)) {
+            return false;
+        }
+        return true;
+    }
+
     /**
      * Add store id to product data.
      *

dev/tests/integration/testsuite/Magento/CatalogImportExport/Model/Import/ProductTest.php

@@ -26,6 +26,7 @@
 use Magento\Store\Model\Store;
 use Psr\Log\LoggerInterface;
 use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\ImportExport\Model\Import\Source\Csv;
 
 /**
  * Class ProductTest
@@ -1643,6 +1644,35 @@ public function testImportWithNonExistingImage()
         }
     }
 
+    /**
+     * @magentoDataFixture Magento/Catalog/_files/product_simple_with_url_key.php
+     * @magentoDbIsolation enabled
+     * @magentoAppIsolation enabled
+     */
+    public function testImportWithoutChangingUrlKeys()
+    {
+        $filesystem = $this->objectManager->create(Filesystem::class);
+        $directory = $filesystem->getDirectoryWrite(DirectoryList::ROOT);
+        $source = $this->objectManager->create(
+            Csv::class,
+            [
+                'file' => __DIR__ . '/_files/products_to_import_without_url_key_column.csv',
+                'directory' => $directory
+            ]
+        );
+
+        $errors = $this->_model->setParameters(
+            ['behavior' => Import::BEHAVIOR_APPEND, 'entity' => 'catalog_product']
+        )
+            ->setSource($source)
+            ->validateData();
+
+        $this->assertTrue($errors->getErrorsCount() == 0);
+        $this->_model->importData();
+        $productRepository = $this->objectManager->create(ProductRepositoryInterface::class);
+        $this->assertEquals('url-key', $productRepository->get('simple1')->getUrlKey());
+    }
+
     /**
      * @magentoDataFixture Magento/Catalog/_files/product_simple_with_url_key.php
      * @magentoDbIsolation disabled
@@ -2168,7 +2198,6 @@ public function testImportWithFilesystemImages()
      * @magentoDataFixture Magento/Catalog/_files/attribute_set_with_renamed_group.php
      * @magentoDataFixture Magento/Catalog/_files/product_without_options.php
      * @magentoDataFixture Magento/Catalog/_files/second_product_simple.php
-     *
      */
     public function testImportDataChangeAttributeSet()
     {
@@ -2186,7 +2215,7 @@ public function testImportDataChangeAttributeSet()
         );
         $errors = $this->_model->setParameters(
             [
-                'behavior' => \Magento\ImportExport\Model\Import::BEHAVIOR_ADD_UPDATE,
+                'behavior' => \Magento\ImportExport\Model\Import::BEHAVIOR_APPEND,
                 'entity' => \Magento\Catalog\Model\Product::ENTITY
             ]
         )->setSource(

dev/tests/integration/testsuite/Magento/CatalogImportExport/Model/Import/_files/products_to_import_without_url_key_column.csv

@@ -0,0 +1,2 @@
+sku,product_type,store_view_code,name,price,attribute_set_code
+simple1,simple,,"simple 1",25,Default