Reindex relevant product export data feed items when attribute is updated

[bricht]

Description (*)

• Unless a better solution can be found, we need to add a plugin on attribute save and use sql to determine which products were affected by the change. Should also check if the change to the attribute actually requires a reindex, currently its the option_labels which we store in configurable product option values, so a change to these would require a reindex. Then reindex the relevant rows in the catalog_data_exporter_products.

In vanilla magento attribute option labels are not stored in index, so there is not such functionality available in vanilla.

Preconditions (*)

We need to run \Magento\CatalogDataExporter\Model\Indexer\ProductFeedIndexer::executeList or executeRow on relevant products if a label is changed for any of the attributes which these products contain under options/variants.

• Depends on #112

Steps to reproduce (*)

1. Save a configurable product and have the data propagated to data feed storage.
2. Update attribute labels in the backend.

Expected result (*)

Product feed should be reindexed and new labels should appear in the storefront for all the products that contain the updated attributes.

Additional notes (*)

\Magento\GraphQl\ConfigurableProduct\ConfigurableProductFrontendLabelAttributeTest::testGetFrontendLabelAttribute test should be green after removing catalogStorefrontCe/dev/tests/api-functional/testsuite/Magento/GraphQl/_files/overrides.xml

[m2-assistant[bot]]

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[mslabko]

Waiting for reponse from PO (M. Chernenko)