e function get_product_index( $product_id ) {

		return self::PRODUCT_INDEX_PREFIX . $product_id;
	}


	/**
	 * Determines whether a sync is currently in progress.
	 *
	 * @since 2.0.0
	 *
	 * @return bool
	 */
	public static function is_sync_in_progress() {

		$jobs = facebook_for_woocommerce()->get_products_sync_background_handler()->get_jobs(
			array(
				'status' => 'processing',
			)
		);

		return ! empty( $jobs );
	}


}