Add compatibility between ElasticPress and WooCommerce Customer/Order/Coupon Export

elasticpress-woocommerce-customer-order-csv-export.php

<?php
/**
 * Add compatibility between ElasticPress and WooCommerce Customer/Order/Coupon Export.
 */

add_filter(
	'ep_sync_taxonomies',
	function ( $taxonomies ) {
		if ( class_exists( '\SkyVerge\WooCommerce\CSV_Export\Taxonomies_Handler' ) ) {
			$taxonomies[] = \SkyVerge\WooCommerce\CSV_Export\Taxonomies_Handler::TAXONOMY_NAME_ORDERS;
		}
		return $taxonomies;
	}
);

add_action(
	'set_object_terms',
	function ( $object_id, $terms, $tt_ids, $taxonomy ) {
		if (
			! class_exists( '\SkyVerge\WooCommerce\CSV_Export\Taxonomies_Handler' ) ||
			! class_exists( '\ElasticPress\Indexables' ) ||
			$taxonomy !== \SkyVerge\WooCommerce\CSV_Export\Taxonomies_Handler::TAXONOMY_NAME_ORDERS
		) {
			return;
		}

		\ElasticPress\Indexables::factory()->get( 'post' )->index( $object_id, true );
	},
	10,
	4
);

add_action(
	'deleted_term_relationships',
	function ( $object_id, $tt_ids, $taxonomy ) {
		if (
			! class_exists( '\SkyVerge\WooCommerce\CSV_Export\Taxonomies_Handler' ) ||
			! class_exists( '\ElasticPress\Indexables' ) ||
			$taxonomy !== \SkyVerge\WooCommerce\CSV_Export\Taxonomies_Handler::TAXONOMY_NAME_ORDERS
		) {
			return;
		}

		\ElasticPress\Indexables::factory()->get( 'post' )->index( $object_id, true );
	},
	10,
	3
);

add_action(
	'pre_get_posts',
	function ( $query ) {
		if ( 'shop_order' === $query->get( 'post_type' ) && in_array( $query->get( 'post_status' ), [ 'any', 'all' ], true ) ) {
			$query->set( 'post_status', array_keys( wc_get_order_statuses() ) );
		}
	}
);