Method: Add a ‘Regenerate product attributes lookup table’ entry to the Status – Tools page.

Method: Callback to initiate the regeneration process from the Status – Tools page.

Method: Enable or disable the actual lookup table usage.

Method: Delete all the existing data related to the lookup table, including the table itself.

Method: Create the lookup table and initialize the options that will be temporarily used while the regeneration is in progress.

Method: Action scheduler callback, performs one regeneration step and then schedules the next step if necessary.

Method: Enqueue one regeneration step in action scheduler.

Method: Perform one regeneration step: grabs a chunk of products and creates the appropriate entries for them in the lookup table.

Method: Cleanup/final option setup after the regeneration has been completed.

Method: Check if the lookup table exists in the database.