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OrdersTableDataStore.php

<?php
/**
 * OrdersTableDataStore class file.
 */

namespace Automattic\WooCommerce\Internal\DataStores\Orders;

use Automattic\Jetpack\Constants;
use Automattic\WooCommerce\Caches\OrderCache;
use Automattic\WooCommerce\Caching\WPCacheEngine;
use Automattic\WooCommerce\Enums\OrderInternalStatus;
use Automattic\WooCommerce\Internal\Admin\Orders\EditLock;
use Automattic\WooCommerce\Internal\CostOfGoodsSold\CogsAwareTrait;
use Automattic\WooCommerce\Internal\Utilities\DatabaseUtil;
use Automattic\WooCommerce\Proxies\LegacyProxy;
use Automattic\WooCommerce\Utilities\ArrayUtil;
use Automattic\WooCommerce\Utilities\OrderUtil;
use Exception;
use WC_Abstract_Order;
use WC_Data;
use WC_Order;
use Automattic\WooCommerce\Admin\Features\Fulfillments\FulfillmentUtils;

defined( 'ABSPATH' ) || exit;

/**
 * This class is the standard data store to be used when the custom orders table is in use.
 */
class OrdersTableDataStore extends \Abstract_WC_Order_Data_Store_CPT implements \WC_Object_Data_Store_Interface, \WC_Order_Data_Store_Interface {

use CogsAwareTrait;

/**
	 * Order IDs for which we are checking sync on read in the current request. In WooCommerce, using wc_get_order is a very common pattern, to avoid performance issues, we only sync on read once per request per order. This works because we consider out of sync orders to be an anomaly, so we don't recommend running HPOS with incompatible plugins.
	 *
	 * @var array
	 */
	private static $reading_order_ids = array();

/**
	 * Keep track of order IDs that are actively being backfilled. We use this to prevent further read on sync from add_|update_|delete_postmeta etc hooks. If we allow this, then we would end up syncing the same order multiple times as it is being backfilled.
	 *
	 * @var array
	 */
	private static $backfilling_order_ids = array();

/**
	 * Keep track of order IDs (as keys) that are being synced on read. This is used to prevent backfilling to posts of an order being updated
	 * from posts.
	 *
	 * @var array
	 */
	private static $sync_on_read_order_ids = array();

/**
	 * Data stored in meta keys, but not considered "meta" for an order.
	 *
	 * @since 7.0.0
	 * @var array
	 */
	protected $internal_meta_keys = array(
		'_customer_user',
		'_order_key',
		'_order_currency',
		'_billing_first_name',
		'_billing_last_name',
		'_billing_company',
		'_billing_address_1',
		'_billing_address_2',
		'_billing_city',
		'_billing_state',
		'_billing_postcode',
		'_billing_country',
		'_billing_email',
		'_billing_phone',
		'_shipping_first_name',
		'_shipping_last_name',
		'_shipping_company',
		'_shipping_address_1',
		'_shipping_address_2',
		'_shipping_city',
		'_shipping_state',
		'_shipping_postcode',
		'_shipping_country',
		'_shipping_phone',
		'_completed_date',
		'_paid_date',
		'_edit_last',
		'_cart_discount',
		'_cart_discount_tax',
		'_order_shipping',
		'_order_shipping_tax',
		'_order_tax',
		'_order_total',
		'_payment_method',
		'_payment_method_title',
		'_transaction_id',
		'_customer_ip_address',
		'_customer_user_agent',
		'_created_via',
		'_order_version',
		'_prices_include_tax',
		'_date_completed',
		'_date_paid',
		'_payment_tokens',
		'_billing_address_index',
		'_shipping_address_index',
		'_recorded_sales',
		'_recorded_coupon_usage_counts',
		'_download_permissions_granted',
		'_order_stock_reduced',
		'_new_order_email_sent',
		'_cogs_total_value',
	);

/**
	 * Meta keys that are considered ephemeral and do not trigger a full save (updating modified date) when changed.
	 *
	 * @var string[]
	 */
	protected $ephemeral_meta_keys = array(
		EditLock::META_KEY_NAME,
	);

/**
	 * Handles custom metadata in the wc_orders_meta table.
	 *
	 * @var OrdersTableDataStoreMeta
	 */
	protected $data_store_meta;

/**
	 * The database util object to use.
	 *
	 * @var DatabaseUtil
	 */
	protected $database_util;

/**
	 * The posts data store object to use.
	 *
	 * @var \WC_Order_Data_Store_CPT
	 */
	private $cpt_data_store;

/**
	 * Logger object to be used to log events.
	 *
	 * @var \WC_Logger
	 */
	private $error_logger;

/**
	 * The name of the main orders table.
	 *
	 * @var string
	 */
	private $orders_table_name;

/**
	 * The instance of the LegacyProxy object to use.
	 *
	 * @var LegacyProxy
	 */
	private $legacy_proxy;

/**
	 * Initialize the object.
	 *
	 * @internal
	 * @param OrdersTableDataStoreMeta $data_store_meta Metadata instance.
	 * @param DatabaseUtil             $database_util   The database util instance to use.
	 * @param LegacyProxy              $legacy_proxy    The legacy proxy instance to use.
	 *
	 * @return void
	 */
	final public function init( OrdersTableDataStoreMeta $data_store_meta, DatabaseUtil $database_util, LegacyProxy $legacy_proxy ) {
		$this->data_store_meta    = $data_store_meta;
		$this->database_util      = $database_util;
		$this->legacy_proxy       = $legacy_proxy;
		$this->error_logger       = $legacy_proxy->call_function( 'wc_get_logger' );
		$this->internal_meta_keys = $this->get_internal_meta_keys();

$this->orders_table_name = self::get_orders_table_name();
	}

/**
	 * Get the custom orders table name.
	 *
	 * @return string The custom orders table name.
	 */
	public static function get_orders_table_name() {
		global $wpdb;

return $wpdb->prefix . 'wc_orders';
	}

/**
	 * Get the order addresses table name.
	 *
	 * @return string The order addresses table name.
	 */
	public static function get_addresses_table_name() {
		global $wpdb;

return $wpdb->prefix . 'wc_order_addresses';
	}

/**
	 * Get the orders operational data table name.
	 *
	 * @return string The orders operational data table name.
	 */
	public static function get_operational_data_table_name() {
		global $wpdb;

return $wpdb->prefix . 'wc_order_operational_data';
	}

/**
	 * Get the orders meta data table name.
	 *
	 * @return string Name of order meta data table.
	 */
	public static function get_meta_table_name() {
		global $wpdb;

return $wpdb->prefix . 'wc_orders_meta';
	}

/**
	 * Get the names of all the tables involved in the custom orders table feature.
	 *
	 * See also : get_all_table_names_with_id.
	 *
	 * @return string[]
	 */
	public function get_all_table_names() {
		return array(
			$this->get_orders_table_name(),
			$this->get_addresses_table_name(),
			$this->get_operational_data_table_name(),
			$this->get_meta_table_name(),
		);
	}

/**
	 * Similar to get_all_table_names, but also returns the table name along with the items table.
	 *
	 * @return array Names of the tables.
	 */
	public static function get_all_table_names_with_id() {
		global $wpdb;
		return array(
			'orders'           => self::get_orders_table_name(),
			'addresses'        => self::get_addresses_table_name(),
			'operational_data' => self::get_operational_data_table_name(),
			'meta'             => self::get_meta_table_name(),
			'items'            => $wpdb->prefix . 'woocommerce_order_items',
		);
	}

/**
	 * Table column to WC_Order mapping for wc_orders table.
	 *
	 * @var \string[][]
	 */
	protected $order_column_mapping = array(
		'id'                   => array(
			'type' => 'int',
			'name' => 'id',
		),
		'status'               => array(
			'type' => 'string',
			'name' => 'status',
		),
		'type'                 => array(
			'type' => 'string',
			'name' => 'type',
		),
		'currency'             => array(
			'type' => 'string',
			'name' => 'currency',
		),
		'tax_amount'           => array(
			'type' => 'decimal',
			'name' => 'cart_tax',
		),
		'total_amount'         => array(
			'type' => 'decimal',
			'name' => 'total',
		),
		'customer_id'          => array(
			'type' => 'int',
			'name' => 'customer_id',
		),
		'billing_email'        => array(
			'type' => 'string',
			'name' => 'billing_email',
		),
		'date_created_gmt'     => array(
			'type' => 'date',
			'name' => 'date_created',
		),
		'date_updated_gmt'     => array(
			'type' => 'date',
			'name' => 'date_modified',
		),
		'parent_order_id'      => array(
			'type' => 'int',
			'name' => 'parent_id',
		),
		'payment_method'       => array(
			'type' => 'string',
			'name' => 'payment_method',
		),
		'payment_method_title' => array(
			'type' => 'string',
			'name' => 'payment_method_title',
		),
		'ip_address'           => array(
			'type' => 'string',
			'name' => 'customer_ip_address',
		),
		'transaction_id'       => array(
			'type' => 'string',
			'name' => 'transaction_id',
		),
		'user_agent'           => array(
			'type' => 'string',
			'name' => 'customer_user_agent',
		),
		'customer_note'        => array(
			'type' => 'string',
			'name' => 'customer_note',
		),
	);

/**
	 * Table column to WC_Order mapping for billing addresses in wc_address table.
	 *
	 * @var \string[][]
	 */
	protected $billing_address_column_mapping = array(
		'id'           => array( 'type' => 'int' ),
		'order_id'     => array( 'type' => 'int' ),
		'address_type' => array( 'type' => 'string' ),
		'first_name'   => array(
			'type' => 'string',
			'name' => 'billing_first_name',
		),
		'last_name'    => array(
			'type' => 'string',
			'name' => 'billing_last_name',
		),
		'company'      => array(
			'type' => 'string',
			'name' => 'billing_company',
		),
		'address_1'    => array(
			'type' => 'string',
			'name' => 'billing_address_1',
		),
		'address_2'    => array(
			'type' => 'string',
			'name' => 'billing_address_2',
		),
		'city'         => array(
			'type' => 'string',
			'name' => 'billing_city',
		),
		'state'        => array(
			'type' => 'string',
			'name' => 'billing_state',
		),
		'postcode'     => array(
			'type' => 'string',
			'name' => 'billing_postcode',
		),
		'country'      => array(
			'type' => 'string',
			'name' => 'billing_country',
		),
		'email'        => array(
			'type' => 'string',
			'name' => 'billing_email',
		),
		'phone'        => array(
			'type' => 'string',
			'name' => 'billing_phone',
		),
	);

/**
	 * Table column to WC_Order mapping for shipping addresses in wc_address table.
	 *
	 * @var \string[][]
	 */
	protected $shipping_address_column_mapping = array(
		'id'           => array( 'type' => 'int' ),
		'order_id'     => array( 'type' => 'int' ),
		'address_type' => array( 'type' => 'string' ),
		'first_name'   => array(
			'type' => 'string',
			'name' => 'shipping_first_name',
		),
		'last_name'    => array(
			'type' => 'string',
			'name' => 'shipping_last_name',
		),
		'company'      => array(
			'type' => 'string',
			'name' => 'shipping_company',
		),
		'address_1'    => array(
			'type' => 'string',
			'name' => 'shipping_address_1',
		),
		'address_2'    => array(
			'type' => 'string',
			'name' => 'shipping_address_2',
		),
		'city'         => array(
			'type' => 'string',
			'name' => 'shipping_city',
		),
		'state'        => array(
			'type' => 'string',
			'name' => 'shipping_state',
		),
		'postcode'     => array(
			'type' => 'string',
			'name' => 'shipping_postcode',
		),
		'country'      => array(
			'type' => 'string',
			'name' => 'shipping_country',
		),
		'email'        => array( 'type' => 'string' ),
		'phone'        => array(
			'type' => 'string',
			'name' => 'shipping_phone',
		),
	);

/**
	 * Table column to WC_Order mapping for wc_operational_data table.
	 *
	 * @var \string[][]
	 */
	protected $operational_data_column_mapping = array(
		'id'                          => array( 'type' => 'int' ),
		'order_id'                    => array( 'type' => 'int' ),
		'created_via'                 => array(
			'type' => 'string',
			'name' => 'created_via',
		),
		'woocommerce_version'         => array(
			'type' => 'string',
			'name' => 'version',
		),
		'prices_include_tax'          => array(
			'type' => 'bool',
			'name' => 'prices_include_tax',
		),
		'coupon_usages_are_counted'   => array(
			'type' => 'bool',
			'name' => 'recorded_coupon_usage_counts',
		),
		'download_permission_granted' => array(
			'type' => 'bool',
			'name' => 'download_permissions_granted',
		),
		'cart_hash'                   => array(
			'type' => 'string',
			'name' => 'cart_hash',
		),
		'new_order_email_sent'        => array(
			'type' => 'bool',
			'name' => 'new_order_email_sent',
		),
		'order_key'                   => array(
			'type' => 'string',
			'name' => 'order_key',
		),
		'order_stock_reduced'         => array(
			'type' => 'bool',
			'name' => 'order_stock_reduced',
		),
		'date_paid_gmt'               => array(
			'type' => 'date',
			'name' => 'date_paid',
		),
		'date_completed_gmt'          => array(
			'type' => 'date',
			'name' => 'date_completed',
		),
		'shipping_tax_amount'         => array(
			'type' => 'decimal',
			'name' => 'shipping_tax',
		),
		'shipping_total_amount'       => array(
			'type' => 'decimal',
			'name' => 'shipping_total',
		),
		'discount_tax_amount'         => array(
			'type' => 'decimal',
			'name' => 'discount_tax',
		),
		'discount_total_amount'       => array(
			'type' => 'decimal',
			'name' => 'discount_total',
		),
		'recorded_sales'              => array(
			'type' => 'bool',
			'name' => 'recorded_sales',
		),
	);

/**
	 * Cache variable to store combined mapping.
	 *
	 * @var array[][][]
	 */
	private $all_order_column_mapping;

/**
	 * Return combined mappings for all order tables.
	 *
	 * @return array|\array[][][] Return combined mapping.
	 */
	public function get_all_order_column_mappings() {
		if ( ! isset( $this->all_order_column_mapping ) ) {
			$this->all_order_column_mapping = array(
				'orders'           => $this->order_column_mapping,
				'billing_address'  => $this->billing_address_column_mapping,
				'shipping_address' => $this->shipping_address_column_mapping,
				'operational_data' => $this->operational_data_column_mapping,
			);
		}

return $this->all_order_column_mapping;
	}

/**
	 * The group name to use when caching order object data.
	 *
	 * @return string
	 */
	private function get_cache_group(): string {
		return 'orders_data';
	}

/**
	 * Delete cached order data for the given object_ids.
	 *
	 * @param array $order_ids The IDs of the orders to remove cache.
	 *
	 * @return bool[] Array of return values, grouped by the object_id. Each value is either true on success, or false
	 *                if the contents were not deleted.
	 *
	 * @internal This method should only be used by internally and in cases where the CRUD operations of this datastore
	 *           are bypassed for performance purposes. This interface is not guaranteed.
	 */
	public function clear_cached_data( array $order_ids ): array {
		if ( ! OrderUtil::custom_orders_table_datastore_cache_enabled() ) {
			return array_fill_keys( $order_ids, true );
		}

$cache_engine  = wc_get_container()->get( WPCacheEngine::class );
		$cache_group   = $this->get_cache_group();
		$return_values = array();

foreach ( $order_ids as $order_id ) {
			$return_values[ $order_id ] = $cache_engine->delete_cached_object( $order_id, $cache_group );
		}

if ( is_callable( array( $this->data_store_meta, 'clear_cached_data' ) ) ) {
			$successfully_deleted_cache_order_ids = array_keys( array_filter( $return_values ) );
			$cache_deletion_results               = $this->data_store_meta->clear_cached_data( $successfully_deleted_cache_order_ids );
			foreach ( $cache_deletion_results as $order_id => $meta_cache_was_deleted ) {
				$return_values[ $order_id ] = $return_values[ $order_id ] && $meta_cache_was_deleted;
			}
		}

return $return_values;
	}

/**
	 * Invalidate all the cache used by this data store.
	 *
	 * @internal This method should only be used by internally and in cases where the CRUD operations of this datastore
	 *           are bypassed for performance purposes. This interface is not guaranteed.
	 *
	 * @return bool Whether the cache as fully invalidated.
	 */
	public function clear_all_cached_data(): bool {
		if ( ! OrderUtil::custom_orders_table_datastore_cache_enabled() ) {
			return true;
		}

$cache_engine       = wc_get_container()->get( WPCacheEngine::class );
		$orders_invalidated = $cache_engine->delete_cache_group( $this->get_cache_group() );
		$meta_invalidated   = true;
		if ( is_callable( array( $this->data_store_meta, 'clear_cached_data' ) ) ) {
			$meta_invalidated = $this->data_store_meta->clear_all_cached_data();
		}

return $orders_invalidated && $meta_invalidated;
	}

/**
	 * Helper function to get alias for order table, this is used in select query.
	 *
	 * @return string Alias.
	 */
	private function get_order_table_alias(): string {
		return 'o';
	}

/**
	 * Helper function to get alias for op table, this is used in select query.
	 *
	 * @return string Alias.
	 */
	private function get_op_table_alias(): string {
		return 'p';
	}

/**
	 * Helper function to get alias for address table, this is used in select query.
	 *
	 * @param string $type Type of address; 'billing' or 'shipping'.
	 *
	 * @return string Alias.
	 */
	private function get_address_table_alias( string $type ): string {
		return 'billing' === $type ? 'b' : 's';
	}

/**
	 * Helper method to get a CPT data store instance to use.
	 *
	 * @return \WC_Order_Data_Store_CPT Data store instance.
	 */
	public function get_cpt_data_store_instance() {
		if ( ! isset( $this->cpt_data_store ) ) {
			$this->cpt_data_store = $this->get_post_data_store_for_backfill();
		}
		return $this->cpt_data_store;
	}

/**
	 * Returns data store object to use backfilling.
	 *
	 * @return \Abstract_WC_Order_Data_Store_CPT
	 */
	protected function get_post_data_store_for_backfill() {
		return new \WC_Order_Data_Store_CPT();
	}

/**
	 * Backfills order details in to WP_Post DB. Uses WC_Order_Data_store_CPT.
	 *
	 * @param \WC_Abstract_Order $order Order object to backfill.
	 */
	public function backfill_post_record( $order ) {
		$cpt_data_store = $this->get_post_data_store_for_backfill();
		if ( is_null( $cpt_data_store ) || ! method_exists( $cpt_data_store, 'update_order_from_object' ) ) {
			return;
		}

self::$backfilling_order_ids[] = $order->get_id();

// Attempt to create the backup post if missing.
		if ( $order->get_id() && is_null( get_post( $order->get_id() ) ) ) {
			if ( ! $this->maybe_create_backup_post( $order, 'backfill' ) ) {
				// translators: %d is an order ID.
				$this->error_logger->warning( sprintf( __( 'Unable to create backup post for order %d.', 'woocommerce' ), $order->get_id() ) );
				return;
			}
		}

$this->update_order_meta_from_object( $order );
		$order_class = get_class( $order );
		$post_order  = new $order_class();
		$post_order->set_id( $order->get_id() );

if ( $cpt_data_store->order_exists( $order->get_id() ) ) {
			$cpt_data_store->read( $post_order );
		}

// This compares the order data to the post data and set changes array for props that are changed.
		$post_order->set_props( $order->get_data() );

$cpt_data_store->update_order_from_object( $post_order );

foreach ( $cpt_data_store->get_internal_data_store_key_getters() as $key => $getter_name ) {
			if (
				is_callable( array( $cpt_data_store, "set_$getter_name" ) ) &&
				is_callable( array( $this, "get_$getter_name" ) )
			) {
				call_user_func_array(
					array(
						$cpt_data_store,
						"set_$getter_name",
					),
					array(
						$order,
						$this->{"get_$getter_name"}( $order ),
					)
				);
			}
		}
		self::$backfilling_order_ids = array_diff( self::$backfilling_order_ids, array( $order->get_id() ) );

/**
		 * Fired when the backing post record for an HPOS order is backfilled after an order update.
		 *
		 * @since 8.5.0
		 *
		 * @param \WC_Order $order The order object.
		 */
		do_action( 'woocommerce_hpos_post_record_backfilled', $order );
	}

/**
	 * Updates an order (in this datastore) from another order object.
	 *
	 * @param \WC_Abstract_Order $order Source order.
	 * @return bool Whether the order was updated.
	 */
	public function update_order_from_object( $order ) {
		$hpos_order = new \WC_Order();
		$hpos_order->set_id( $order->get_id() );
		$this->read( $hpos_order );
		$hpos_order->set_props( $order->get_data() );

// Meta keys.
		foreach ( $hpos_order->get_meta_data() as &$meta ) {
			$hpos_order->delete_meta_data( $meta->key );
		}

foreach ( $order->get_meta_data() as &$meta ) {
			$hpos_order->add_meta_data( $meta->key, $meta->value );
		}

add_filter( 'woocommerce_orders_table_datastore_should_save_after_meta_change', '__return_false' );
		$hpos_order->save_meta_data();
		remove_filter( 'woocommerce_orders_table_datastore_should_save_after_meta_change', '__return_false' );

$db_rows = $this->get_db_rows_for_order( $hpos_order, 'update', true );
		foreach ( $db_rows as $db_update ) {
			ksort( $db_update['data'] );
			ksort( $db_update['format'] );
			$this->persist_db_row( $db_update );
		}

return true;
	}

/**
	 * Helper method to persist a DB row to database. Uses insert_or_update when possible.
	 *
	 * @param array $update Data containing atleast `table`, `data` and `format` keys, but also preferably `where` and `where_format` to use `insert_or_update`.
	 *
	 * @return bool|int Number of rows affected, boolean false on error.
	 */
	private function persist_db_row( $update ) {
		if ( isset( $update['where'] ) ) {
			$row_updated = $this->database_util->insert_or_update(
				$update['table'],
				$update['data'],
				$update['where'],
				$update['format'],
				$update['where_format']
			);
			// row_updated can be 0 when there are no changes. So we check for type as well as row count.
			$result = false !== $row_updated;
		} else {
			$result = $this->database_util->insert_on_duplicate_key_update(
				$update['table'],
				$update['data'],
				array_values( $update['format'] ),
			);
		}
		return $result;
	}

/**
	 * Get information about whether permissions are granted yet.
	 *
	 * @param \WC_Order $order Order object.
	 *
	 * @return bool Whether permissions are granted.
	 */
	public function get_download_permissions_granted( $order ) {
		$order_id = is_int( $order ) ? $order : $order->get_id();
		$order    = wc_get_order( $order_id );
		return $order->get_download_permissions_granted();
	}

/**
	 * Stores information about whether permissions were generated yet.
	 *
	 * @param \WC_Order $order Order ID or order object.
	 * @param bool      $set True or false.
	 */
	public function set_download_permissions_granted( $order, $set ) {
		if ( is_int( $order ) ) {
			$order = wc_get_order( $order );
		}
		$order->set_download_permissions_granted( $set );
		$order->save();
	}

/**
	 * Gets information about whether sales were recorded.
	 *
	 * @param \WC_Order $order Order object.
	 *
	 * @return bool Whether sales are recorded.
	 */
	public function get_recorded_sales( $order ) {
		$order_id = is_int( $order ) ? $order : $order->get_id();
		$order    = wc_get_order( $order_id );
		return $order->get_recorded_sales();
	}

/**
	 * Stores information about whether sales were recorded.
	 *
	 * @param \WC_Order $order Order object.
	 * @param bool      $set True or false.
	 */
	public function set_recorded_sales( $order, $set ) {
		if ( is_int( $order ) ) {
			$order = wc_get_order( $order );
		}
		$order->set_recorded_sales( $set );
		$order->save();
	}

/**
	 * Gets information about whether coupon counts were updated.
	 *
	 * @param \WC_Order $order Order object.
	 *
	 * @return bool Whether coupon counts were updated.
	 */
	public function get_recorded_coupon_usage_counts( $order ) {
		$order_id = is_int( $order ) ? $order : $order->get_id();
		$order    = wc_get_order( $order_id );
		return $order && $order->get_recorded_coupon_usage_counts();
	}

/**
	 * Stores information about whether coupon counts were updated.
	 *
	 * @param \WC_Order $order Order object.
	 * @param bool      $set True or false.
	 */
	public function set_recorded_coupon_usage_counts( $order, $set ) {
		if ( is_int( $order ) ) {
			$order = wc_get_order( $order );
		}
		$order->set_recorded_coupon_usage_counts( $set );
		$order->save();
	}

/**
	 * Whether email have been sent for this order.
	 *
	 * @param \WC_Order|int $order Order object.
	 *
	 * @return bool Whether email is sent.
	 */
	public function get_email_sent( $order ) {
		$order_id = is_int( $order ) ? $order : $order->get_id();
		$order    = wc_get_order( $order_id );
		return $order->get_new_order_email_sent();
	}

/**
	 * Stores information about whether email was sent.
	 *
	 * @param \WC_Order $order Order object.
	 * @param bool      $set True or false.
	 */
	public function set_email_sent( $order, $set ) {
		if ( is_int( $order ) ) {
			$order = wc_get_order( $order );
		}
		$order->set_new_order_email_sent( $set );
		$order->save();
	}

/**
	 * Helper setter for email_sent.
	 *
	 * @param \WC_Order $order Order object.
	 *
	 * @return bool Whether email was sent.
	 */
	public function get_new_order_email_sent( $order ) {
		return $this->get_email_sent( $order );
	}

/**
	 * Helper setter for new order email sent.
	 *
	 * @param \WC_Order $order Order object.
	 * @param bool      $set True or false.
	 */
	public function set_new_order_email_sent( $order, $set ) {
		if ( is_int( $order ) ) {
			$order = wc_get_order( $order );
		}
		$order->set_new_order_email_sent( $set );
		$order->save();
	}

/**
	 * Gets information about whether stock was reduced.
	 *
	 * @param \WC_Order $order Order object.
	 *
	 * @return bool Whether stock was reduced.
	 */
	public function get_stock_reduced( $order ) {
		$order_id = is_int( $order ) ? $order : $order->get_id();
		$order    = wc_get_order( $order_id );
		return $order->get_order_stock_reduced();
	}

/**
	 * Stores information about whether stock was reduced.
	 *
	 * @param \WC_Order $order Order ID or order object.
	 * @param bool      $set True or false.
	 */
	public function set_stock_reduced( $order, $set ) {
		if ( is_int( $order ) ) {
			$order = wc_get_order( $order );
		}
		$order->set_order_stock_reduced( $set );
		$order->save();
	}

/**
	 * Helper getter for `order_stock_reduced`.
	 *
	 * @param \WC_Order $order Order object.
	 * @return bool Whether stock was reduced.
	 */
	public function get_order_stock_reduced( $order ) {
		return $this->get_stock_reduced( $order );
	}

/**
	 * Helper setter for `order_stock_reduced`.
	 *
	 * @param \WC_Order $order Order ID or order object.
	 * @param bool      $set Whether stock was reduced.
	 */
	public function set_order_stock_reduced( $order, $set ) {
		$this->set_stock_reduced( $order, $set );
	}

/**
	 * Get token ids for an order.
	 *
	 * @param WC_Order $order Order object.
	 * @return array
	 */
	public function get_payment_token_ids( $order ) {
		/**
		 * We don't store _payment_tokens in props to preserve backward compatibility. In CPT data store, `_payment_tokens` is always fetched directly from DB instead of from prop.
		 */
		$payment_tokens = $this->data_store_meta->get_metadata_by_key( $order, '_payment_tokens' );
		if ( $payment_tokens ) {
			$payment_tokens = $payment_tokens[0]->meta_value;
		}
		if ( ! $payment_tokens && version_compare( $order->get_version(), '8.0.0', '<' ) ) {
			// Before 8.0 we were incorrectly storing payment_tokens in the order meta. So we need to check there too.
			$payment_tokens = get_post_meta( $order->get_id(), '_payment_tokens', true );
		}
		return array_filter( (array) $payment_tokens );
	}

/**
	 * Update token ids for an order.
	 *
	 * @param WC_Order $order Order object.
	 * @param array    $token_ids Payment token ids.
	 */
	public function update_payment_token_ids( $order, $token_ids ) {
		$meta          = new \WC_Meta_Data();
		$meta->key     = '_payment_tokens';
		$meta->value   = $token_ids;
		$existing_meta = $this->data_store_meta->get_metadata_by_key( $order, '_payment_tokens' );
		if ( $existing_meta ) {
			$existing_meta = $existing_meta[0];
			$meta->id      = $existing_meta->id;
			$this->data_store_meta->update_meta( $order, $meta );
		} else {
			$this->data_store_meta->add_meta( $order, $meta );
		}
	}

/**
	 * Get amount already refunded.
	 *
	 * @param \WC_Order $order Order object.
	 *
	 * @return float Refunded amount.
	 */
	public function get_total_refunded( $order ) {
		global $wpdb;
		$order_table = self::get_orders_table_name();
		$total       = $wpdb->get_var(
			$wpdb->prepare(
			// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- $order_table is hardcoded.
				"
SELECT SUM( total_amount ) FROM $order_table
WHERE
    type = %s AND
    parent_order_id = %d
;
",
				// phpcs:enable
				'shop_order_refund',
				$order->get_id()
			)
		);
		return -1 * ( isset( $total ) ? $total : 0 );
	}

/**
	 * Returns a prepared SQL JOIN clause for finding refund orders belonging to a given parent order.
	 *
	 * Overrides the CPT version to use the HPOS orders table.
	 *
	 * @since 10.7.0
	 * @param int $order_id Parent order ID.
	 * @return string Prepared SQL JOIN fragment.
	 */
	protected function get_refund_orders_join_clause( int $order_id ): string {
		global $wpdb;
		return $wpdb->prepare( '%i AS refunds ON ( refunds.type = %s AND refunds.parent_order_id = %d )', self::get_orders_table_name(), 'shop_order_refund', $order_id );
	}

/**
	 * Finds an Order ID based on an order key.
	 *
	 * @param string $order_key An order key has generated by.
	 * @return int The ID of an order, or 0 if the order could not be found
	 */
	public function get_order_id_by_order_key( $order_key ) {
		global $wpdb;

$orders_table = self::get_orders_table_name();
		$op_table     = self::get_operational_data_table_name();

// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		return (int) $wpdb->get_var(
			$wpdb->prepare(
				"SELECT {$orders_table}.id FROM {$orders_table}
				INNER JOIN {$op_table} ON {$op_table}.order_id = {$orders_table}.id
				WHERE {$op_table}.order_key = %s AND {$op_table}.order_key != ''",
				$order_key
			)
		);
		// phpcs:enable
	}

/**
	 * Return count of orders with a specific status.
	 *
	 * @param  string $status Order status. Function wc_get_order_statuses() returns a list of valid statuses.
	 * @return int
	 */
	public function get_order_count( $status ) {
		global $wpdb;

$orders_table = self::get_orders_table_name();

return absint( $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM {$orders_table} WHERE type = %s AND status = %s", 'shop_order', $status ) ) ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
	}

/**
	 * Get all orders matching the passed in args.
	 *
	 * @deprecated 3.1.0 - Use {@see wc_get_orders} instead.
	 * @param  array $args List of args passed to wc_get_orders().
	 * @return array|object
	 */
	public function get_orders( $args = array() ) {
		wc_deprecated_function( __METHOD__, '3.1.0', 'Use wc_get_orders instead.' );
		return wc_get_orders( $args );
	}

/**
	 * Get unpaid orders last updated before the specified date.
	 *
	 * @param  int $date This timestamp is expected in the timezone in WordPress settings for legacy reason, even though it's not a good practice.
	 *
	 * @return array Array of order IDs.
	 */
	public function get_unpaid_orders( $date ) {
		$timezone_offset = wc_timezone_offset();
		$gmt_timestamp   = $date - $timezone_offset;
		return $this->get_unpaid_orders_gmt( absint( $gmt_timestamp ) );
	}

/**
	 * Get unpaid orders last updated before the specified GMT date.
	 *
	 * @param int $gmt_timestamp GMT timestamp.
	 *
	 * @return array Array of order IDs.
	 */
	public function get_unpaid_orders_gmt( $gmt_timestamp ) {
		global $wpdb;

$orders_table    = self::get_orders_table_name();
		$order_types_sql = "('" . implode( "','", wc_get_order_types() ) . "')";

// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		return $wpdb->get_col(
			$wpdb->prepare(
				"SELECT id FROM {$orders_table} WHERE
				{$orders_table}.type IN {$order_types_sql}
				AND {$orders_table}.status = %s
				AND {$orders_table}.date_updated_gmt < %s",
				OrderInternalStatus::PENDING,
				gmdate( 'Y-m-d H:i:s', absint( $gmt_timestamp ) )
			)
		);
		// phpcs:enable
	}

/**
	 * Search order data for a term and return matching order IDs.
	 *
	 * @param string $term Search term.
	 *
	 * @return int[] Array of order IDs.
	 */
	public function search_orders( $term ) {
		$order_ids = wc_get_orders(
			array(
				's'      => $term,
				'return' => 'ids',
			)
		);

/**
		 * Provides an opportunity to modify the list of order IDs obtained during an order search.
		 *
		 * This hook is used for Custom Order Table queries. For Custom Post Type order searches, the corresponding hook
		 * is `woocommerce_shop_order_search_results`.
		 *
		 * @since 7.0.0
		 *
		 * @param int[]  $order_ids Search results as an array of order IDs.
		 * @param string $term      The search term.
		 */
		return array_map( 'intval', (array) apply_filters( 'woocommerce_cot_shop_order_search_results', $order_ids, $term ) );
	}

/**
	 * Fetch order type for orders in bulk.
	 *
	 * @param array $order_ids Order IDs.
	 *
	 * @return array array( $order_id1 => $type1, ... ) Array for all orders.
	 */
	public function get_orders_type( $order_ids ) {
		global $wpdb;

if ( empty( $order_ids ) ) {
			return array();
		}

$order_types = array();

if ( OrderUtil::custom_orders_table_datastore_cache_enabled() ) {
			if ( ! is_array( $order_ids ) ) {
				// self::get_order_data_for_ids() strict types the $order_ids parameter. Temporarily maintain backward compatibility
				// for potential misuse of self::get_orders_type().
				$order_ids = array( (int) $order_ids );
			}
			// If we're using order data caching, preemptively pull all the data and prime the cache as this method is
			// almost exclusively used to determine the order class to later hydrate.
			$orders_data = $this->get_order_data_for_ids( $order_ids );
			foreach ( $orders_data as $order_id => $order_data ) {
				if ( ! empty( $order_data->type ) ) {
					$order_types[ $order_id ] = $order_data->type;
				}
			}

return $order_types;
		}

$orders_table          = self::get_orders_table_name();
		$order_ids_placeholder = implode( ', ', array_fill( 0, count( $order_ids ), '%d' ) );

// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
		$results = $wpdb->get_results(
			$wpdb->prepare(
				"SELECT id, type FROM {$orders_table} WHERE id IN ( $order_ids_placeholder )",
				$order_ids
			)
		);
		// phpcs:enable
		foreach ( $results as $row ) {
			$order_types[ $row->id ] = $row->type;
		}
		return $order_types;
	}

/**
	 * Get order type from DB.
	 *
	 * @param int $order_id Order ID.
	 *
	 * @return string Order type.
	 */
	public function get_order_type( $order_id ) {
		$type = $this->get_orders_type( array( $order_id ) );
		return $type[ $order_id ] ?? '';
	}

/**
	 * Check if an order exists by id.
	 *
	 * @since 8.0.0
	 *
	 * @param int $order_id The order id to check.
	 * @return bool True if an order exists with the given name.
	 */
	public function order_exists( $order_id ): bool {
		global $wpdb;

// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$exists = $wpdb->get_var(
			$wpdb->prepare(
				"SELECT EXISTS (SELECT id FROM {$this->orders_table_name} WHERE id=%d)",
				$order_id
			)
		);
		// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared

return (bool) $exists;
	}

/**
	 * Method to read an order from custom tables.
	 *
	 * @param \WC_Order $order Order object.
	 *
	 * @throws \Exception If passed order is invalid.
	 */
	public function read( &$order ) {
		$orders_array = array( $order->get_id() => $order );
		$this->read_multiple( $orders_array );
	}

/**
	 * Reads multiple orders from custom tables in one pass.
	 *
	 * @since 6.9.0
	 * @param array[\WC_Order] $orders Order objects.
	 * @throws \Exception If passed an invalid order.
	 */
	public function read_multiple( &$orders ) {
		$order_ids = array_keys( $orders );
		$data      = $this->get_order_data_for_ids( $order_ids );

if ( count( $data ) !== count( $order_ids ) ) {
			throw new \Exception( esc_html__( 'Invalid order IDs in call to read_multiple()', 'woocommerce' ) );
		}

$data_synchronizer = wc_get_container()->get( DataSynchronizer::class );
		if ( ! $data_synchronizer instanceof DataSynchronizer ) {
			return;
		}

$data_sync_enabled = $data_synchronizer->data_sync_is_enabled()
			&& ! doing_action( 'woocommerce_deliver_webhook_async' )
			&& ! doing_action( 'wc-admin_import_orders' );

if ( $data_sync_enabled ) {
			/**
			 * Filters whether to sync order data from posts on read.
			 *
			 * Defaults to false because sync-on-read can be dangerous when HPOS is
			 * authoritative and running correctly, as it allows the posts data store
			 * to override HPOS data.
			 *
			 * @param bool $sync_on_read_enabled Whether to sync on read.
			 *
			 * @since 8.1.0
			 */
			$data_sync_enabled = apply_filters( 'woocommerce_hpos_enable_sync_on_read', false );
		}

$load_posts_for = array_diff( $order_ids, array_merge( self::$reading_order_ids, self::$backfilling_order_ids ) );

$post_orders = array();
		if ( $data_sync_enabled ) {
			global $wpdb;

// Exclude orders that do not exist in the posts table.
			if ( $load_posts_for ) {
				$order_ids_placeholder = implode( ', ', array_fill( 0, count( $load_posts_for ), '%d' ) );
				$load_posts_for        = array_map( 'absint', $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM {$wpdb->posts} WHERE ID IN ( $order_ids_placeholder )", ...$load_posts_for ) ) ); // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
			}

$post_orders = $this->get_post_orders_for_ids( array_intersect_key( $orders, array_flip( $load_posts_for ) ) );
		}

$cogs_is_enabled = $this->cogs_is_enabled();

foreach ( $data as $order_data ) {
			$order_id = absint( $order_data->id );
			$order    = $orders[ $order_id ];

$this->init_order_record( $order, $order_id, $order_data );

if ( $cogs_is_enabled && $order->has_cogs() ) {
				$this->read_cogs_data( $order, $order_data->meta_data );
			}

if ( $data_sync_enabled && isset( $post_orders[ $order_id ] ) && $this->should_sync_order( $order ) ) {
				self::$reading_order_ids[] = $order_id;
				$this->maybe_sync_order( $order, $post_orders[ $order->get_id() ] );
			}
		}
	}

/**
	 * Read the Cost of Goods Sold value for a given order from the database, if available, and apply it to the order.
	 *
	 * @param \WC_Abstract_Order                          $order     The order to get the COGS value for.
	 * @param object{meta_key:string,meta_value:string}[] $meta_data The original meta-data fetched for the order.
	 */
	private function read_cogs_data( WC_Abstract_Order $order, array $meta_data ) {
		$meta_entry = array_filter( $meta_data, fn( object $meta ) => '_cogs_total_value' === $meta->meta_key );
		$cogs_value = array() === $meta_entry ? 0 : (float) current( $meta_entry )->meta_value;

/**
		 * Filter to customize the Cost of Goods Sold value that gets loaded for a given order.
		 *
		 * @since 9.5.0
		 *
		 * @param float $cogs_value The value as read from the database.
		 * @param WC_Abstract_Order $product The order for which the value is being loaded.
		 */
		$cogs_value = apply_filters( 'woocommerce_load_order_cogs_value', $cogs_value, $order );

$order->set_cogs_total_value( (float) $cogs_value );
		$order->apply_changes();
	}

/**
	 * Helper method to check whether to sync the order.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 *
	 * @return bool Whether the order should be synced.
	 */
	private function should_sync_order( \WC_Abstract_Order $order ): bool {
		$draft_order    = in_array( $order->get_status(), array( 'draft', 'auto-draft' ), true );
		$already_synced = in_array( $order->get_id(), self::$reading_order_ids, true );
		return ! $draft_order && ! $already_synced;
	}

/**
	 * Helper method to initialize order object from DB data.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 * @param int                $order_id Order ID.
	 * @param \stdClass          $order_data Order data fetched from DB.
	 *
	 * @return void
	 */
	protected function init_order_record( \WC_Abstract_Order &$order, int $order_id, \stdClass $order_data ) {
		$order->set_defaults();
		$order->set_id( $order_id );
		$filtered_meta_data = $this->filter_raw_meta_data( $order, $order_data->meta_data );
		$order->init_meta_data( $filtered_meta_data );
		$this->set_order_props_from_data( $order, $order_data );
		$order->set_object_read( true );
	}

/**
	 * For post based data stores, this was used to filter internal meta data. For custom tables, technically there is no internal meta data,
	 * (i.e. we store all core data as properties for the order, and not in meta data). So this method is a no-op.
	 *
	 * Except that some meta such as billing_address_index and shipping_address_index are infact stored in meta data, so we need to filter those out.
	 *
	 * However, declaring $internal_meta_keys is still required so that our backfill and other comparison checks works as expected.
	 *
	 * @param \WC_Data $object Object to filter meta data for.
	 * @param array    $raw_meta_data Raw meta data.
	 *
	 * @return array Filtered meta data.
	 */
	public function filter_raw_meta_data( &$object, $raw_meta_data ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.objectFound
		$filtered_meta_data = parent::filter_raw_meta_data( $object, $raw_meta_data );
		$allowed_keys       = array(
			'_billing_address_index',
			'_shipping_address_index',
		);
		$allowed_meta       = array_filter(
			$raw_meta_data,
			function ( $meta ) use ( $allowed_keys ) {
				return in_array( $meta->meta_key, $allowed_keys, true );
			}
		);

return array_merge( $allowed_meta, $filtered_meta_data );
	}

/**
	 * Sync order to/from posts tables if we are able to detect difference between order and posts but the sync is enabled.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 * @param \WC_Abstract_Order $post_order Order object initialized from post.
	 *
	 * @return void
	 * @throws \Exception If passed an invalid order.
	 */
	private function maybe_sync_order( \WC_Abstract_Order &$order, \WC_Abstract_Order $post_order ) {
		if ( ! $this->is_post_different_from_order( $order, $post_order ) ) {
			return;
		}

// Modified dates can be empty when the order is created but never updated again. Fallback to created date in those cases.
		$order_modified_date      = $order->get_date_modified() ?? $order->get_date_created();
		$order_modified_date      = is_null( $order_modified_date ) ? 0 : $order_modified_date->getTimestamp();
		$post_order_modified_date = $post_order->get_date_modified() ?? $post_order->get_date_created();
		$post_order_modified_date = is_null( $post_order_modified_date ) ? 0 : $post_order_modified_date->getTimestamp();

/**
		 * We are here because there was difference in the post and order data even though sync is enabled. If the modified date in
		 * the post is the same or more recent than the modified date in the order object, we update the order object with the data
		 * from the post. The opposite case is handled in 'backfill_post_record'. This mitigates the case where other plugins write
		 * to the post or postmeta directly.
		 */
		if ( $post_order_modified_date >= $order_modified_date ) {
			$this->migrate_post_record( $order, $post_order );
		}
	}

/**
	 * Get the post type order representation.
	 *
	 * @param \WP_Post $post Post object.
	 *
	 * @return \WC_Order Order object.
	 */
	private function get_cpt_order( $post ) {
		$cpt_order = new \WC_Order();
		$cpt_order->set_id( $post->ID );
		$cpt_data_store = $this->get_cpt_data_store_instance();
		$cpt_data_store->read( $cpt_order );
		return $cpt_order;
	}

/**
	 * Helper function to get posts data for an order in bulk. We use to this to compute posts object in bulk so that we can compare it with COT data.
	 *
	 * @param array $orders    List of orders mapped by $order_id.
	 *
	 * @return array List of posts.
	 *
	 * @throws \Exception If no CPT data store is found for an order.
	 */
	private function get_post_orders_for_ids( array $orders ): array {
		$order_ids = array_keys( $orders );
		foreach ( $order_ids as $order_id ) {
			// Exclude orders where the CPT version is a placeholder post.
			$post_type = get_post_type( $order_id );
			if ( ! $post_type || DataSynchronizer::PLACEHOLDER_ORDER_POST_TYPE === $post_type ) {
				unset( $orders[ $order_id ] );
				continue;
			}

// We have to bust meta cache, otherwise we will just get the meta cached by OrderTableDataStore.
			wp_cache_delete( WC_Order::generate_meta_cache_key( $order_id, 'orders' ), 'orders' );
		}

$cpt_stores       = array();
		$cpt_store_orders = array();
		foreach ( $orders as $order_id => $order ) {
			$table_data_store = $order->get_data_store();
			$cpt_data_store   = $table_data_store->get_cpt_data_store_instance();

if ( ! $cpt_data_store ) {
				throw new \Exception( sprintf( 'No CPT data store found for order %d.', absint( $order_id ) ) );
			}

$cpt_store_class_name = get_class( $cpt_data_store );
			if ( ! isset( $cpt_stores[ $cpt_store_class_name ] ) ) {
				$cpt_stores[ $cpt_store_class_name ]       = $cpt_data_store;
				$cpt_store_orders[ $cpt_store_class_name ] = array();
			}
			$cpt_store_orders[ $cpt_store_class_name ][ $order_id ] = $order;
		}

$cpt_orders = array();
		foreach ( $cpt_stores as $cpt_store_name => $cpt_store ) {
			// Prime caches if we can.
			if ( method_exists( $cpt_store, 'prime_caches_for_orders' ) ) {
				$cpt_store->prime_caches_for_orders( array_keys( $cpt_store_orders[ $cpt_store_name ] ), array() );
			}

foreach ( $cpt_store_orders[ $cpt_store_name ] as $order_id => $order ) {
				$cpt_order_class_name = wc_get_order_type( $order->get_type() )['class_name'];
				$cpt_order            = new $cpt_order_class_name();

try {
					$cpt_order->set_id( $order_id );
					$cpt_store->read( $cpt_order );
					$cpt_orders[ $order_id ] = $cpt_order;
				} catch ( Exception $e ) {
					// If the post record has been deleted (for instance, by direct query) then an exception may be thrown.
					$this->error_logger->warning(
						sprintf(
							/* translators: %1$d order ID. */
							__( 'Unable to load the post record for order %1$d', 'woocommerce' ),
							$order_id
						),
						array(
							'exception_code' => $e->getCode(),
							'exception_msg'  => $e->getMessage(),
							'origin'         => __METHOD__,
						)
					);
				}
			}
		}
		return $cpt_orders;
	}

/**
	 * Computes whether post has been updated after last order. Tries to do it as efficiently as possible.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 * @param \WC_Abstract_Order $post_order Order object read from posts table.
	 *
	 * @return bool True if post is different than order.
	 */
	private function is_post_different_from_order( $order, $post_order ): bool {
		if ( ArrayUtil::deep_compare_array_diff( $order->get_base_data(), $post_order->get_base_data(), false ) ) {
			return true;
		}

$meta_diff = $this->get_diff_meta_data_between_orders( $order, $post_order );
		if ( ! empty( $meta_diff ) ) {
			return true;
		}

return false;
	}

/**
	 * Migrate meta data from post to order.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 * @param \WC_Abstract_Order $post_order Order object read from posts table.
	 *
	 * @return array List of meta data that was migrated.
	 */
	private function migrate_meta_data_from_post_order( \WC_Abstract_Order &$order, \WC_Abstract_Order $post_order ) {
		$diff = $this->get_diff_meta_data_between_orders( $order, $post_order, true );
		$order->save_meta_data();
		return $diff;
	}

/**
	 * Helper function to compute diff between metadata of post and cot data for an order.
	 *
	 * Also provides an option to sync the metadata as well, since we are already computing the diff.
	 *
	 * @param \WC_Abstract_Order $order1 Order object read from posts.
	 * @param \WC_Abstract_Order $order2 Order object read from COT.
	 * @param bool               $sync   Whether to also sync the meta data.
	 *
	 * @return array Difference between post and COT meta data.
	 */
	private function get_diff_meta_data_between_orders( \WC_Abstract_Order &$order1, \WC_Abstract_Order $order2, $sync = false ): array {
		$order1_meta        = ArrayUtil::select( $order1->get_meta_data(), 'get_data', ArrayUtil::SELECT_BY_OBJECT_METHOD );
		$order2_meta        = ArrayUtil::select( $order2->get_meta_data(), 'get_data', ArrayUtil::SELECT_BY_OBJECT_METHOD );
		$order1_meta_by_key = ArrayUtil::select_as_assoc( $order1_meta, 'key', ArrayUtil::SELECT_BY_ARRAY_KEY );
		$order2_meta_by_key = ArrayUtil::select_as_assoc( $order2_meta, 'key', ArrayUtil::SELECT_BY_ARRAY_KEY );

$diff = array();
		foreach ( $order1_meta_by_key as $key => $value ) {
			if ( in_array( $key, $this->internal_meta_keys, true ) ) {
				// These should have already been verified in the base data comparison.
				continue;
			}
			$order1_values = ArrayUtil::select( $value, 'value', ArrayUtil::SELECT_BY_ARRAY_KEY );
			if ( ! array_key_exists( $key, $order2_meta_by_key ) ) {
				$sync && $order1->delete_meta_data( $key );
				$diff[ $key ] = $order1_values;
				unset( $order2_meta_by_key[ $key ] );
				continue;
			}

$order2_values = ArrayUtil::select( $order2_meta_by_key[ $key ], 'value', ArrayUtil::SELECT_BY_ARRAY_KEY );
			$new_diff      = ArrayUtil::deep_assoc_array_diff( $order1_values, $order2_values );
			if ( ! empty( $new_diff ) && $sync ) {
				if ( count( $order2_values ) > 1 ) {
					$order1->delete_meta_data( $key );
					foreach ( $order2_values as $post_order_value ) {
						$order1->add_meta_data( $key, $post_order_value, false );
					}
				} else {
					$order1->update_meta_data( $key, $order2_values[0] );
				}
				$diff[ $key ] = $new_diff;
				unset( $order2_meta_by_key[ $key ] );
			}
		}

foreach ( $order2_meta_by_key as $key => $value ) {
			if ( array_key_exists( $key, $order1_meta_by_key ) || in_array( $key, $this->internal_meta_keys, true ) ) {
				continue;
			}
			$order2_values = ArrayUtil::select( $value, 'value', ArrayUtil::SELECT_BY_ARRAY_KEY );
			foreach ( $order2_values as $meta_value ) {
				$sync && $order1->add_meta_data( $key, $meta_value );
			}
			$diff[ $key ] = $order2_values;
		}
		return $diff;
	}

/**
	 * Migrate post record from a given order object.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 * @param \WC_Abstract_Order $post_order Order object read from posts.
	 *
	 * @return void
	 */
	private function migrate_post_record( \WC_Abstract_Order &$order, \WC_Abstract_Order $post_order ): void {
		self::$sync_on_read_order_ids[ $order->get_id() ] = true;

$diff                 = $this->migrate_meta_data_from_post_order( $order, $post_order );
		$post_order_base_data = $post_order->get_base_data();
		foreach ( $post_order_base_data as $key => $value ) {
			// Skip migrating cogs_total_value if the HPOS order has a valid value and the CPT order has 0.
			// This prevents overwriting valid COGS data with recalculated zero values during sync-on-read.
			if ( 'cogs_total_value' === $key && $order->has_cogs() && $this->cogs_is_enabled() ) {
				$hpos_cogs = $order->get_cogs_total_value( 'edit' );
				if ( 0.0 !== $hpos_cogs && 0.0 === (float) $value ) {
					continue;
				}
			}
			$this->set_order_prop( $order, $key, $value );
		}
		$this->persist_updates( $order, false );

unset( self::$sync_on_read_order_ids[ $order->get_id() ] );

/**
		 * Fired when an HPOS order is updated from its corresponding post record on read due to a difference in the data.
		 *
		 * @since 8.5.0
		 *
		 * @param \WC_Order $order The order object.
		 * @param array     $diff  Difference between HPOS data and post data.
		 */
		do_action( 'woocommerce_hpos_post_record_migrated_on_read', $order, $diff );
	}

/**
	 * Sets order properties based on a row from the database.
	 *
	 * @param \WC_Abstract_Order $order      The order object.
	 * @param object             $order_data A row of order data from the database.
	 */
	protected function set_order_props_from_data( &$order, $order_data ) {
		foreach ( $this->get_all_order_column_mappings() as $table_name => $column_mapping ) {
			foreach ( $column_mapping as $column_name => $prop_details ) {
				if ( ! isset( $prop_details['name'] ) || ! is_string( $prop_details['name'] ) ) {
					continue;
				}
				if ( ! property_exists( $order_data, $prop_details['name'] ) ) {
					continue;
				}
				$prop_value = $order_data->{$prop_details['name']};
				if ( is_null( $prop_value ) ) {
					continue;
				}

try {
					if ( 'date' === $prop_details['type'] ) {
						$prop_value = $this->string_to_timestamp( $prop_value );
					}

$this->set_order_prop( $order, $prop_details['name'], $prop_value );
				} catch ( \Exception $e ) {
					$order_id = $order->get_id();
					$this->error_logger->warning(
						sprintf(
						/* translators: %1$d = peoperty name, %2$d = order ID, %3$s = error message. */
							__( 'Error when setting property \'%1$s\' for order %2$d: %3$s', 'woocommerce' ),
							$prop_details['name'],
							$order_id,
							$e->getMessage()
						),
						array(
							'exception_code' => $e->getCode(),
							'exception_msg'  => $e->getMessage(),
							'origin'         => __METHOD__,
							'order_id'       => $order_id,
							'property_name'  => $prop_details['name'],
						)
					);
				}
			}
		}
	}

/**
	 * Set order prop if a setter exists in either the order object or in the data store.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 * @param string             $prop_name Property name.
	 * @param mixed              $prop_value Property value.
	 *
	 * @return bool True if the property was set, false otherwise.
	 */
	private function set_order_prop( \WC_Abstract_Order $order, string $prop_name, $prop_value ) {
		$prop_setter_function_name = "set_{$prop_name}";
		if ( is_callable( array( $order, $prop_setter_function_name ) ) ) {
			return $order->{$prop_setter_function_name}( $prop_value );
		} elseif ( is_callable( array( $this, $prop_setter_function_name ) ) ) {
			return $this->{$prop_setter_function_name}( $order, $prop_value, false );
		}
		return false;
	}

/**
	 * Retrieve raw order data for multiple IDs.
	 *
	 * @param int[] $ids List of order IDs.
	 *
	 * @return \stdClass[] DB Order objects or error.
	 */
	protected function get_order_data_for_ids( array $ids ): array {
		if ( empty( $ids ) ) {
			return array();
		}

$using_datastore_cache = OrderUtil::custom_orders_table_datastore_cache_enabled();
		$order_data            = array();

if ( $using_datastore_cache ) {
			$order_data = $this->get_order_data_for_ids_from_cache( $ids );
			$ids        = array_diff( $ids, array_keys( $order_data ) );
		}

if ( count( $ids ) > 0 ) {
			$db_order_data = $this->get_order_data_for_ids_from_db( $ids );
			$order_data    = $db_order_data + $order_data;
			if ( count( $db_order_data ) > 0 && $using_datastore_cache ) {
				$this->set_order_data_in_cache( $db_order_data );
			}
		}

$order_data = array_filter( $order_data );

$meta_data = $this->data_store_meta->get_meta_data_for_object_ids( array_keys( $order_data ) );

foreach ( $meta_data as $order_id => $order_meta ) {
			$order_data[ $order_id ]->meta_data = $order_meta;
		}

return $order_data;
	}

/**
	 * Retrieve raw order data from the database for the given a set of IDs.
	 *
	 * @param int[] $ids List of order IDs.
	 *
	 * @return \stdClass[] Keyed array of objects containing raw order data keyed by the order IDs.
	 */
	private function get_order_data_for_ids_from_db( array $ids ): array {
		global $wpdb;

if ( ! $ids || empty( $ids ) ) {
			return array();
		}

$table_aliases     = array(
			'orders'           => $this->get_order_table_alias(),
			'billing_address'  => $this->get_address_table_alias( 'billing' ),
			'shipping_address' => $this->get_address_table_alias( 'shipping' ),
			'operational_data' => $this->get_op_table_alias(),
		);
		$order_table_alias = $table_aliases['orders'];
		$order_table_query = $this->get_order_table_select_statement();
		$id_placeholder    = implode( ', ', array_fill( 0, count( $ids ), '%d' ) );

// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare -- $order_table_query is autogenerated and should already be prepared.
		$table_data = $wpdb->get_results(
			$wpdb->prepare(
				"$order_table_query WHERE $order_table_alias.id in ( $id_placeholder )",
				$ids
			)
		);
		// phpcs:enable

$order_data = array();
		foreach ( $table_data as $table_datum ) {
			$id                = $table_datum->{"{$order_table_alias}_id"};
			$order_data[ $id ] = new \stdClass();
			foreach ( $this->get_all_order_column_mappings() as $table_name => $column_mappings ) {
				$table_alias = $table_aliases[ $table_name ];
				// This remapping is required to keep the query length small enough to be supported by implementations such as HyperDB (i.e. fetching some tables in join via alias.*, while others via full name). We can revert this commit if HyperDB starts supporting SRTM for query length more than 3076 characters.
				foreach ( $column_mappings as $field => $map ) {
					$field_name = $map['name'] ?? "{$table_name}_$field";
					if ( property_exists( $table_datum, $field_name ) ) {
						$field_value = $table_datum->{$field_name}; // Unique column, field name is different prop name.
					} elseif ( property_exists( $table_datum, "{$table_alias}_$field" ) ) {
						$field_value = $table_datum->{"{$table_alias}_$field"}; // Non-unique column (billing, shipping etc).
					} else {
						$field_value = $table_datum->{$field}; // Unique column, field name is same as prop name.
					}
					$order_data[ $id ]->{$field_name} = $field_value;
				}
			}
			$order_data[ $id ]->id        = $id;
			$order_data[ $id ]->meta_data = array();
		}

return $order_data;
	}

/**
	 * Retrieve raw order data from cache for the given a set of IDs.
	 *
	 * @param int[] $ids List of order IDs.
	 *
	 * @return \stdClass[] Keyed array of objects containing raw order data keyed by the order IDs.
	 */
	private function get_order_data_for_ids_from_cache( array $ids ): array {
		$cache_engine = wc_get_container()->get( WPCacheEngine::class );

return array_filter( $cache_engine->get_cached_objects( $ids, $this->get_cache_group() ) );
	}

/**
	 * Store the raw data for a set of orders in cache.
	 *
	 * @param \stdClass[][] $order_data An array of raw order records to set in cache keyed by the order IDs.
	 *
	 * @return void
	 */
	private function set_order_data_in_cache( array $order_data ) {
		$cache_engine = wc_get_container()->get( WPCacheEngine::class );
		$cache_engine->cache_objects( $order_data, 0, $this->get_cache_group() );
	}

/**
	 * Helper method to generate combined select statement.
	 *
	 * @return string Select SQL statement to fetch order.
	 */
	private function get_order_table_select_statement() {
		$order_table                  = $this::get_orders_table_name();
		$order_table_alias            = $this->get_order_table_alias();
		$billing_address_table_alias  = $this->get_address_table_alias( 'billing' );
		$shipping_address_table_alias = $this->get_address_table_alias( 'shipping' );
		$op_data_table_alias          = $this->get_op_table_alias();
		$billing_address_clauses      = $this->join_billing_address_table_to_order_query( $order_table_alias, $billing_address_table_alias );
		$shipping_address_clauses     = $this->join_shipping_address_table_to_order_query( $order_table_alias, $shipping_address_table_alias );
		$operational_data_clauses     = $this->join_operational_data_table_to_order_query( $order_table_alias, $op_data_table_alias );

/**
		 * We fully spell out address table columns because they have duplicate columns for billing and shipping and would be overwritten if we don't spell them out. There is not such duplication in the operational data table and orders table, so select with `alias`.* is fine.
		 * We do spell ID columns manually, as they are duplicate.
		 */
		return "
SELECT $order_table_alias.id as o_id, $op_data_table_alias.id as p_id, $order_table_alias.*, {$billing_address_clauses['select']}, {$shipping_address_clauses['select']}, $op_data_table_alias.*
FROM $order_table $order_table_alias
LEFT JOIN {$billing_address_clauses['join']}
LEFT JOIN {$shipping_address_clauses['join']}
LEFT JOIN {$operational_data_clauses['join']}
";
	}

/**
	 * Helper function to generate select statement for fetching metadata in bulk.
	 *
	 * @return string Select SQL statement to fetch order metadata.
	 */
	private function get_order_meta_select_statement() {
		$order_meta_table = self::get_meta_table_name();
		return "
SELECT $order_meta_table.id, $order_meta_table.order_id, $order_meta_table.meta_key, $order_meta_table.meta_value
FROM $order_meta_table
		";
	}

/**
	 * Helper method to generate join query for billing addresses in wc_address table.
	 *
	 * @param string $order_table_alias Alias for order table to use in join.
	 * @param string $address_table_alias Alias for address table to use in join.
	 *
	 * @return array Select and join statements for billing address table.
	 */
	private function join_billing_address_table_to_order_query( $order_table_alias, $address_table_alias ) {
		return $this->join_address_table_order_query( 'billing', $order_table_alias, $address_table_alias );
	}

/**
	 * Helper method to generate join query for shipping addresses in wc_address table.
	 *
	 * @param string $order_table_alias Alias for order table to use in join.
	 * @param string $address_table_alias Alias for address table to use in join.
	 *
	 * @return array Select and join statements for shipping address table.
	 */
	private function join_shipping_address_table_to_order_query( $order_table_alias, $address_table_alias ) {
		return $this->join_address_table_order_query( 'shipping', $order_table_alias, $address_table_alias );
	}

/**
	 * Helper method to generate join and select query for address table.
	 *
	 * @param string $address_type Type of address; 'billing' or 'shipping'.
	 * @param string $order_table_alias Alias of order table to use.
	 * @param string $address_table_alias Alias for address table to use.
	 *
	 * @return array Select and join statements for address table.
	 */
	private function join_address_table_order_query( $address_type, $order_table_alias, $address_table_alias ) {
		global $wpdb;
		$address_table    = $this::get_addresses_table_name();
		$column_props_map = 'billing' === $address_type ? $this->billing_address_column_mapping : $this->shipping_address_column_mapping;
		$clauses          = $this->generate_select_and_join_clauses( $order_table_alias, $address_table, $address_table_alias, $column_props_map );
		// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- $clauses['join'] and $address_table_alias are hardcoded.
		$clauses['join'] = $wpdb->prepare(
			"{$clauses['join']} AND $address_table_alias.address_type = %s",
			$address_type
		);

// phpcs:enable
		return array(
			'select' => $clauses['select'],
			'join'   => $clauses['join'],
		);
	}

/**
	 * Helper method to join order operational data table.
	 *
	 * @param string $order_table_alias Alias to use for order table.
	 * @param string $operational_table_alias Alias to use for operational data table.
	 *
	 * @return array Select and join queries for operational data table.
	 */
	private function join_operational_data_table_to_order_query( $order_table_alias, $operational_table_alias ) {
		$operational_data_table = $this::get_operational_data_table_name();

return $this->generate_select_and_join_clauses(
			$order_table_alias,
			$operational_data_table,
			$operational_table_alias,
			$this->operational_data_column_mapping
		);
	}

/**
	 * Helper method to generate join and select clauses.
	 *
	 * @param string  $order_table_alias Alias for order table.
	 * @param string  $table Table to join.
	 * @param string  $table_alias Alias for table to join.
	 * @param array[] $column_props_map Column to prop map for table to join.
	 *
	 * @return array Select and join queries.
	 */
	private function generate_select_and_join_clauses( $order_table_alias, $table, $table_alias, $column_props_map ) {
		// Add aliases to column names so they will be unique when fetching.
		$select_clause = $this->generate_select_clause_for_props( $table_alias, $column_props_map );
		$join_clause   = "$table $table_alias ON $table_alias.order_id = $order_table_alias.id";

return array(
			'select' => $select_clause,
			'join'   => $join_clause,
		);
	}

/**
	 * Helper method to generate select clause for props.
	 *
	 * @param string  $table_alias Alias for table.
	 * @param array[] $props Props to column mapping for table.
	 *
	 * @return string Select clause.
	 */
	private function generate_select_clause_for_props( $table_alias, $props ) {
		$select_clauses = array();
		foreach ( $props as $column_name => $prop_details ) {
			$select_clauses[] = isset( $prop_details['name'] ) ? "$table_alias.$column_name as {$prop_details['name']}" : "$table_alias.$column_name as {$table_alias}_$column_name";
		}

return implode( ', ', $select_clauses );
	}

/**
	 * Persists order changes to the database.
	 *
	 * @param \WC_Abstract_Order $order            The order.
	 * @param bool               $force_all_fields Force saving all fields to DB and just changed.
	 *
	 * @throws \Exception If order data is not valid.
	 *
	 * @since 6.8.0
	 */
	protected function persist_order_to_db( &$order, bool $force_all_fields = false ) {
		$context = ( 0 === absint( $order->get_id() ) ) ? 'create' : 'update';

if ( 'create' === $context ) {
			$post_id = $this->maybe_create_backup_post( $order, 'create' );
			if ( ! $post_id ) {
				throw new \Exception( esc_html__( 'Could not create order in posts table.', 'woocommerce' ) );
			}

$order->set_id( $post_id );
		}

$only_changes = ! $force_all_fields && 'update' === $context;
		// Figure out what needs to be updated in the database.
		$db_updates = $this->get_db_rows_for_order( $order, $context, $only_changes );

// Persist changes.
		foreach ( $db_updates as $update ) {
			// Make sure 'data' and 'format' entries match before passing to $wpdb.
			ksort( $update['data'] );
			ksort( $update['format'] );

$result = $this->persist_db_row( $update );
			if ( false === $result ) {
				// translators: %s is a table name.
				throw new \Exception( esc_html( sprintf( __( 'Could not persist order to database table "%s".', 'woocommerce' ), $update['table'] ) ) );
			}
		}

$changes = $order->get_changes();
		$this->update_address_index_meta( $order, $changes );
		$default_taxonomies = $this->init_default_taxonomies( $order, array() );
		$this->set_custom_taxonomies( $order, $default_taxonomies );

if ( $order->has_cogs() && $this->cogs_is_enabled() ) {
			$this->save_cogs_data( $order, ! $only_changes || array_key_exists( 'cogs_total_value', $changes ) );
		}

$this->clear_cached_data( array( $order->get_id() ) );
	}

/**
	 * Save the Cost of Goods Sold value of a given order to the database.
	 *
	 * @param WC_Abstract_Order $order              The order to save the COGS value for.
	 * @param bool              $cogs_value_changed Whether the CoGS value was changed through the order object API.
	 */
	private function save_cogs_data( WC_Abstract_Order $order, bool $cogs_value_changed ): void {
		$cogs_value_original = $order->get_cogs_total_value();

/**
		 * Filter to customize the Cost of Goods Sold value that gets saved for a given order,
		 * or to suppress the saving of the value (so that custom storage can be used).
		 *
		 * @since 9.5.0
		 *
		 * @param float             $cogs_value The value to be written to the database. If returned as null, nothing will be written.
		 * @param WC_Abstract_Order $order      The order for which the value is being saved.
		 */
		$cogs_value = apply_filters( 'woocommerce_save_order_cogs_value', $cogs_value_original, $order );
		if ( null === $cogs_value ) {
			return;
		}

$sync_meta = $cogs_value_changed || $cogs_value_original !== (float) $cogs_value;
		if ( $sync_meta ) {
			$existing_meta = $this->data_store_meta->get_metadata_by_key( $order, '_cogs_total_value' );
			if ( 0.0 === $cogs_value && $existing_meta ) {
				$existing_meta = current( $existing_meta );
				$this->data_store_meta->delete_meta( $order, $existing_meta );
			} elseif ( $existing_meta ) {
				$existing_meta        = current( $existing_meta );
				$existing_meta->key   = '_cogs_total_value';
				$existing_meta->value = $cogs_value;
				$this->data_store_meta->update_meta( $order, $existing_meta );
			} else {
				$meta        = new \WC_Meta_Data();
				$meta->key   = '_cogs_total_value';
				$meta->value = $cogs_value;
				$this->data_store_meta->add_meta( $order, $meta );
			}
		}
	}

/**
	 * Takes care of creating the backup post in the posts table (placeholder or actual order post, depending on sync settings).
	 *
	 * @since 8.8.0
	 *
	 * @param \WC_Abstract_Order $order   The order.
	 * @param string             $context The context: either 'create' or 'backfill'.
	 * @return int The new post ID.
	 */
	protected function maybe_create_backup_post( &$order, string $context ): int {
		$data_sync = wc_get_container()->get( DataSynchronizer::class );

$data = array(
			'post_type'     => $data_sync->data_sync_is_enabled() ? $order->get_type() : $data_sync::PLACEHOLDER_ORDER_POST_TYPE,
			'post_status'   => 'draft',
			'post_parent'   => $order->get_changes()['parent_id'] ?? $order->get_data()['parent_id'] ?? 0,
			'post_date'     => gmdate( 'Y-m-d H:i:s', $order->get_date_created( 'edit' )->getOffsetTimestamp() ),
			'post_date_gmt' => gmdate( 'Y-m-d H:i:s', $order->get_date_created( 'edit' )->getTimestamp() ),
		);

if ( 'backfill' === $context ) {
			if ( ! $order->get_id() ) {
				return 0;
			}

$data['import_id'] = $order->get_id();
		}

return wp_insert_post( $data );
	}

/**
	 * Set default taxonomies for the order.
	 *
	 * Note: This is re-implementation of part of WP core's `wp_insert_post` function. Since the code block that set default taxonomies is not filterable, we have to re-implement it.
	 *
	 * @param \WC_Abstract_Order $order               Order object.
	 * @param array              $sanitized_tax_input Sanitized taxonomy input.
	 *
	 * @return array Sanitized tax input with default taxonomies.
	 */
	public function init_default_taxonomies( \WC_Abstract_Order $order, array $sanitized_tax_input ) {
		if ( 'auto-draft' === $order->get_status() ) {
			return $sanitized_tax_input;
		}

foreach ( get_object_taxonomies( $order->get_type(), 'object' ) as $taxonomy => $tax_object ) {
			if ( empty( $tax_object->default_term ) ) {
				return $sanitized_tax_input;
			}

// Filter out empty terms.
			if ( isset( $sanitized_tax_input[ $taxonomy ] ) && is_array( $sanitized_tax_input[ $taxonomy ] ) ) {
				$sanitized_tax_input[ $taxonomy ] = array_filter( $sanitized_tax_input[ $taxonomy ] );
			}

// Passed custom taxonomy list overwrites the existing list if not empty.
			$terms = wp_get_object_terms( $order->get_id(), $taxonomy, array( 'fields' => 'ids' ) );
			if ( ! empty( $terms ) && empty( $sanitized_tax_input[ $taxonomy ] ) ) {
				$sanitized_tax_input[ $taxonomy ] = $terms;
			}

if ( empty( $sanitized_tax_input[ $taxonomy ] ) ) {
				$default_term_id = get_option( 'default_term_' . $taxonomy );
				if ( ! empty( $default_term_id ) ) {
					$sanitized_tax_input[ $taxonomy ] = array( (int) $default_term_id );
				}
			}
		}
		return $sanitized_tax_input;
	}

/**
	 * Set custom taxonomies for the order.
	 *
	 * Note: This is re-implementation of part of WP core's `wp_insert_post` function. Since the code block that set custom taxonomies is not filterable, we have to re-implement it.
	 *
	 * @param \WC_Abstract_Order $order               Order object.
	 * @param array              $sanitized_tax_input Sanitized taxonomy input.
	 *
	 * @return void
	 */
	public function set_custom_taxonomies( \WC_Abstract_Order $order, array $sanitized_tax_input ) {
		if ( empty( $sanitized_tax_input ) ) {
			return;
		}

foreach ( $sanitized_tax_input as $taxonomy => $tags ) {
			$taxonomy_obj = get_taxonomy( $taxonomy );

if ( ! $taxonomy_obj ) {
				/* translators: %s: Taxonomy name. */
				_doing_it_wrong( __FUNCTION__, esc_html( sprintf( __( 'Invalid taxonomy: %s.', 'woocommerce' ), $taxonomy ) ), '7.9.0' );
				continue;
			}

// array = hierarchical, string = non-hierarchical.
			if ( is_array( $tags ) ) {
				$tags = array_filter( $tags );
			}

if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
				wp_set_post_terms( $order->get_id(), $tags, $taxonomy );
			}
		}
	}

/**
	 * Generates an array of rows with all the details required to insert or update an order in the database.
	 *
	 * @param \WC_Abstract_Order $order The order.
	 * @param string             $context The context: 'create' or 'update'.
	 * @param boolean            $only_changes Whether to consider only changes in the order for generating the rows.
	 *
	 * @return array
	 * @throws \Exception When invalid data is found for the given context.
	 *
	 * @since 6.8.0
	 */
	protected function get_db_rows_for_order( \WC_Abstract_Order $order, string $context = 'create', bool $only_changes = false ): array {
		$result = array();

$row = $this->get_db_row_from_order( $order, $this->order_column_mapping, $only_changes );
		if ( 'create' === $context && ! $row ) {
			throw new \Exception( 'No data for new record.' ); // This shouldn't occur.
		}

if ( $row ) {
			$result[] = array(
				'table'  => self::get_orders_table_name(),
				'data'   => array_merge(
					$row['data'],
					array(
						'id'   => $order->get_id(),
						'type' => $order->get_type(),
					)
				),
				'format' => array_merge(
					$row['format'],
					array(
						'id'   => '%d',
						'type' => '%s',
					)
				),
			);
		}

// wc_order_operational_data.
		$row = $this->get_db_row_from_order( $order, $this->operational_data_column_mapping, $only_changes );
		if ( $row ) {
			$result[] = array(
				'table'  => self::get_operational_data_table_name(),
				'data'   => array_merge( $row['data'], array( 'order_id' => $order->get_id() ) ),
				'format' => array_merge( $row['format'], array( 'order_id' => '%d' ) ),
			);
		}

// wc_order_addresses.
		foreach ( array( 'billing', 'shipping' ) as $address_type ) {
			$row = $this->get_db_row_from_order( $order, $this->{$address_type . '_address_column_mapping'}, $only_changes );

if ( $row ) {
				$result[] = array(
					'table'        => self::get_addresses_table_name(),
					'data'         => array_merge(
						$row['data'],
						array(
							'order_id'     => $order->get_id(),
							'address_type' => $address_type,
						)
					),
					'format'       => array_merge(
						$row['format'],
						array(
							'order_id'     => '%d',
							'address_type' => '%s',
						)
					),
					'where'        => array(
						'order_id'     => $order->get_id(),
						'address_type' => $address_type,
					),
					'where_format' => array( '%d', '%s' ),
				);
			}
		}

/**
		 * Allow third parties to include rows that need to be inserted/updated in custom tables when persisting an order.
		 *
		 * @since 6.8.0
		 *
		 * @param array      Array of rows to be inserted/updated when persisting an order. Each entry should be an array with
		 *                   keys 'table', 'data' (the row), 'format' (row format), 'where' and 'where_format'.
		 * @param \WC_Order  The order object.
		 * @param string     The context of the operation: 'create' or 'update'.
		 */
		$ext_rows = apply_filters( 'woocommerce_orders_table_datastore_extra_db_rows_for_order', array(), $order, $context );

/**
		 * Filters the rows that are going to be inserted or updated during an order save.
		 *
		 * @since 8.8.0
		 * @internal Use 'woocommerce_orders_table_datastore_extra_db_rows_for_order' for adding rows to the database save.
		 *
		 * @param array     $rows    Array of rows to be inserted/updated. See 'woocommerce_orders_table_datastore_extra_db_rows_for_order' for exact format.
		 * @param \WC_Order $order   The order object.
		 * @param string    $context The context of the operation: 'create' or 'update'.
		 */
		$result = apply_filters(
			'woocommerce_orders_table_datastore_db_rows_for_order',
			array_merge( $result, $ext_rows ),
			$order,
			$context
		);

return $result;
	}

/**
	 * Produces an array with keys 'row' and 'format' that can be passed to `$wpdb->update()` as the `$data` and
	 * `$format` parameters. Values are taken from the order changes array and properly formatted for inclusion in the
	 * database.
	 *
	 * @param \WC_Abstract_Order $order          Order.
	 * @param array              $column_mapping Table column mapping.
	 * @param bool               $only_changes   Whether to consider only changes in the order object or all fields.
	 * @return array
	 *
	 * @since 6.8.0
	 */
	protected function get_db_row_from_order( $order, $column_mapping, $only_changes = false ) {
		$changes = $only_changes ? $order->get_changes() : array_merge( $order->get_data(), $order->get_changes() );

// Make sure 'status' is correctly prefixed.
		if ( array_key_exists( 'status', $column_mapping ) && array_key_exists( 'status', $changes ) ) {
			$changes['status'] = $this->get_post_status( $order );
		}

$row        = array();
		$row_format = array();

foreach ( $column_mapping as $column => $details ) {
			if ( ! isset( $details['name'] ) || ! array_key_exists( $details['name'], $changes ) ) {
				continue;
			}

$row[ $column ]        = $this->database_util->format_object_value_for_db( $changes[ $details['name'] ], $details['type'] );
			$row_format[ $column ] = $this->database_util->get_wpdb_format_for_type( $details['type'] );
		}

if ( ! $row ) {
			return false;
		}

return array(
			'data'   => $row,
			'format' => $row_format,
		);
	}

/**
	 * Method to delete an order from the database.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 * @param array              $args Array of args to pass to the delete method.
	 *
	 * @return void
	 */
	public function delete( &$order, $args = array() ) {
		$order_id = $order->get_id();

if ( ! $order_id ) {
			return;
		}

$args = wp_parse_args(
			$args,
			array(
				'force_delete'     => false,
				'suppress_filters' => false,
			)
		);

$do_filters = ! $args['suppress_filters'];

if ( $args['force_delete'] ) {

if ( $do_filters ) {
				/**
				 * Fires immediately before an order is deleted from the database.
				 *
				 * @since 7.1.0
				 *
				 * @param int      $order_id ID of the order about to be deleted.
				 * @param WC_Order $order    Instance of the order that is about to be deleted.
				 */
				do_action( 'woocommerce_before_delete_order', $order_id, $order );
			}

$this->upshift_or_delete_child_orders( $order );
			$this->delete_order_data_from_custom_order_tables( $order_id );
			$this->delete_items( $order );

$order->set_id( 0 );

/** We can delete the post data if:
			 * 1. The HPOS table is authoritative and synchronization is enabled.
			 * 2. The post record is of type `shop_order_placehold`, since this is created by the HPOS in the first place.
			 *
			 * In other words, we do not delete the post record when HPOS table is authoritative and synchronization is disabled but post record is a full record and not just a placeholder, because it implies that the order was created before HPOS was enabled.
			 */
			$orders_table_is_authoritative = $order->get_data_store()->get_current_class_name() === self::class;

if ( $orders_table_is_authoritative ) {
				$data_synchronizer = wc_get_container()->get( DataSynchronizer::class );
				if ( $data_synchronizer->data_sync_is_enabled() ) {
					// Delete the associated post, which in turn deletes order items, etc. through {@see WC_Post_Data}.
					// Once we stop creating posts for orders, we should do the cleanup here instead.
					wp_delete_post( $order_id );
				} else {
					$this->handle_order_deletion_with_sync_disabled( $order_id );
				}
			}

if ( $do_filters ) {
				/**
				 * Fires immediately after an order is deleted.
				 *
				 * @since 2.7.0
				 *
				 * @param int $order_id ID of the order that has been deleted.
				 */
				do_action( 'woocommerce_delete_order', $order_id ); // phpcs:ignore WooCommerce.Commenting.CommentHooks.MissingHookComment
			}
		} else {
			if ( $do_filters ) {
				/**
				 * Fires immediately before an order is trashed.
				 *
				 * @since 7.1.0
				 *
				 * @param int      $order_id ID of the order about to be trashed.
				 * @param WC_Order $order    Instance of the order that is about to be trashed.
				 */
				do_action( 'woocommerce_before_trash_order', $order_id, $order );
			}

$this->trash_order( $order );

if ( $do_filters ) {
				/**
				 * Fires immediately after an order is trashed.
				 *
				 * @since 2.7.0
				 *
				 * @param int $order_id ID of the order that has been trashed.
				 */
				do_action( 'woocommerce_trash_order', $order_id ); // phpcs:ignore WooCommerce.Commenting.CommentHooks.MissingHookComment
			}
		}
	}

/**
	 * Handles the deletion of an order from the orders table when sync is disabled:
	 *
	 * If the corresponding row in the posts table is of placeholder type,
	 * it's just deleted; otherwise a "deleted_from" record is created in the meta table
	 * and the sync process will detect these and take care of deleting the appropriate post records.
	 *
	 * @param int $order_id Th id of the order that has been deleted from the orders table.
	 * @return void
	 */
	protected function handle_order_deletion_with_sync_disabled( $order_id ): void {
		global $wpdb;

$post_type = $wpdb->get_var(
			$wpdb->prepare( "SELECT post_type FROM {$wpdb->posts} WHERE ID=%d", $order_id )
		);

if ( DataSynchronizer::PLACEHOLDER_ORDER_POST_TYPE === $post_type ) {
			$wpdb->query(
				$wpdb->prepare(
					"DELETE FROM {$wpdb->posts} WHERE ID=%d OR post_parent=%d",
					$order_id,
					$order_id
				)
			);
			clean_post_cache( $order_id );
		} else {
			// phpcs:disable WordPress.DB.SlowDBQuery
			$wpdb->insert(
				self::get_meta_table_name(),
				array(
					'order_id'   => $order_id,
					'meta_key'   => DataSynchronizer::DELETED_RECORD_META_KEY,
					'meta_value' => DataSynchronizer::DELETED_FROM_ORDERS_META_VALUE,
				)
			);
			// phpcs:enable WordPress.DB.SlowDBQuery

// Note that at this point upshift_or_delete_child_orders will already have been invoked,
			// thus all the child orders either still exist but have a different parent id,
			// or have been deleted and got their own deletion record already.
			// So there's no need to do anything about them.
		}
	}

/**
	 * Set the parent id of child orders to the parent order's parent if the post type
	 * for the order is hierarchical, just delete the child orders otherwise.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 *
	 * @return void
	 */
	private function upshift_or_delete_child_orders( $order ): void {
		global $wpdb;

$order_table     = self::get_orders_table_name();
		$order_parent_id = $order->get_parent_id();

// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$child_order_ids = $wpdb->get_col(
			$wpdb->prepare(
				"SELECT id FROM $order_table WHERE parent_order_id=%d",
				$order->get_id()
			)
		);
		// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared

if ( empty( $child_order_ids ) ) {
			return;
		}

if ( $this->legacy_proxy->call_function( 'is_post_type_hierarchical', $order->get_type() ) ) {
			$wpdb->update(
				$order_table,
				array( 'parent_order_id' => $order_parent_id ),
				array( 'parent_order_id' => $order->get_id() ),
				array( '%d' ),
				array( '%d' )
			);

$this->clear_cached_data( $child_order_ids );
		} else {
			foreach ( $child_order_ids as $child_order_id ) {
				$child_order = wc_get_order( $child_order_id );
				if ( $child_order ) {
					$child_order->delete( true );
				}
			}
		}
	}

/**
	 * Trashes an order.
	 *
	 * @param  WC_Order $order The order object.
	 *
	 * @return void
	 */
	public function trash_order( $order ) {
		global $wpdb;

if ( 'trash' === $order->get_status( 'edit' ) ) {
			return;
		}

$trash_metadata = array(
			'_wp_trash_meta_status' => 'wc-' . $order->get_status( 'edit' ),
			'_wp_trash_meta_time'   => time(),
		);

$wpdb->update(
			self::get_orders_table_name(),
			array(
				'status'           => 'trash',
				'date_updated_gmt' => current_time( 'Y-m-d H:i:s', true ),
			),
			array( 'id' => $order->get_id() ),
			array( '%s', '%s' ),
			array( '%d' )
		);

$order->set_status( 'trash' );

foreach ( $trash_metadata as $meta_key => $meta_value ) {
			$this->add_meta(
				$order,
				(object) array(
					'key'   => $meta_key,
					'value' => $meta_value,
				)
			);
		}

$data_synchronizer = wc_get_container()->get( DataSynchronizer::class );
		if ( $data_synchronizer->data_sync_is_enabled() ) {
			wp_trash_post( $order->get_id() );
		}

$this->clear_cached_data( array( $order->get_id() ) );
	}

/**
	 * Attempts to restore the specified order back to its original status (after having been trashed).
	 *
	 * @param WC_Order $order The order to be untrashed.
	 *
	 * @return bool If the operation was successful.
	 */
	public function untrash_order( WC_Order $order ): bool {
		$id     = $order->get_id();
		$status = $order->get_status();

if ( 'trash' !== $status ) {
			wc_get_logger()->warning(
				sprintf(
					/* translators: 1: order ID, 2: order status */
					__( 'Order %1$d cannot be restored from the trash: it has already been restored to status "%2$s".', 'woocommerce' ),
					$id,
					$status
				)
			);
			return false;
		}

$previous_status           = $order->get_meta( '_wp_trash_meta_status' );
		$valid_statuses            = wc_get_order_statuses();
		$previous_state_is_invalid = ! array_key_exists( $previous_status, $valid_statuses );
		$pending_is_valid_status   = array_key_exists( OrderInternalStatus::PENDING, $valid_statuses );

if ( $previous_state_is_invalid && $pending_is_valid_status ) {
			// If the previous status is no longer valid, let's try to restore it to "pending" instead.
			wc_get_logger()->warning(
				sprintf(
					/* translators: 1: order ID, 2: order status */
					__( 'The previous status of order %1$d ("%2$s") is invalid. It has been restored to "pending" status instead.', 'woocommerce' ),
					$id,
					$previous_status
				)
			);

$previous_status = 'pending';
		} elseif ( $previous_state_is_invalid ) {
			// If we cannot restore to pending, we should probably stand back and let the merchant intervene some other way.
			wc_get_logger()->warning(
				sprintf(
					/* translators: 1: order ID, 2: order status */
					__( 'The previous status of order %1$d ("%2$s") is invalid. It could not be restored.', 'woocommerce' ),
					$id,
					$previous_status
				)
			);

return false;
		}

/**
		 * Fires before an order is restored from the trash.
		 *
		 * @since 7.2.0
		 *
		 * @param int    $order_id        Order ID.
		 * @param string $previous_status The status of the order before it was trashed.
		 */
		do_action( 'woocommerce_untrash_order', $order->get_id(), $previous_status );

$order->set_status( $previous_status );
		$order->save();

// Was the status successfully restored? Let's clean up the meta and indicate success...
		if ( 'wc-' . $order->get_status() === $previous_status ) {
			$order->delete_meta_data( '_wp_trash_meta_status' );
			$order->delete_meta_data( '_wp_trash_meta_time' );
			$order->delete_meta_data( '_wp_trash_meta_comments_status' );
			$order->save_meta_data();

return true;
		}

// ...Or log a warning and bail.
		wc_get_logger()->warning(
			sprintf(
				/* translators: 1: order ID, 2: order status */
				__( 'Something went wrong when trying to restore order %d from the trash. It could not be restored.', 'woocommerce' ),
				$id
			)
		);

return false;
	}

/**
	 * Deletes order data from custom order tables.
	 *
	 * @param int $order_id The order ID.
	 * @return void
	 */
	public function delete_order_data_from_custom_order_tables( $order_id ) {
		global $wpdb;
		$order_cache = wc_get_container()->get( OrderCache::class );

// Delete COT-specific data.
		foreach ( $this->get_all_table_names() as $table ) {
			$wpdb->delete(
				$table,
				( self::get_orders_table_name() === $table )
					? array( 'id' => $order_id )
					: array( 'order_id' => $order_id ),
				array( '%d' )
			);
			$order_cache->remove( $order_id );
		}

$this->clear_cached_data( array( $order_id ) );
	}

/**
	 * Method to create an order in the database.
	 *
	 * @param \WC_Order $order Order object.
	 */
	public function create( &$order ) {
		if ( '' === $order->get_order_key() ) {
			$order->set_order_key( wc_generate_order_key() );
		}

$this->persist_save( $order );

// Do not fire 'woocommerce_new_order' for draft statuses for backwards compatibility.
		if ( in_array( $order->get_status( 'edit' ), array( 'auto-draft', 'draft', 'checkout-draft' ), true ) ) {
			return;
		}

/**
		 * Fires when a new order is created.
		 *
		 * @since 2.7.0
		 *
		 * @param int       Order ID.
		 * @param \WC_Order Order object.
		 */
		do_action( 'woocommerce_new_order', $order->get_id(), $order );
	}

/**
	 * Helper method responsible for persisting new data to order table.
	 *
	 * This should not contain and specific meta or actions, so that it can be used other order types safely.
	 *
	 * @param \WC_Order $order Order object.
	 * @param bool      $force_all_fields Force update all fields, instead of calculating and updating only changed fields.
	 * @param bool      $backfill Whether to backfill data to post datastore.
	 *
	 * @return void
	 *
	 * @throws \Exception When unable to save data.
	 */
	protected function persist_save( &$order, bool $force_all_fields = false, $backfill = true ) {
		$order->set_version( Constants::get_constant( 'WC_VERSION' ) );
		$order->set_currency( $order->get_currency() ? $order->get_currency() : get_woocommerce_currency() );

if ( ! $order->get_date_created( 'edit' ) ) {
			$order->set_date_created( time() );
		}

if ( ! $order->get_date_modified( 'edit' ) ) {
			$order->set_date_modified( current_time( 'mysql' ) );
		}

$this->persist_order_to_db( $order, $force_all_fields );

$this->update_order_meta( $order );

$order->save_meta_data();
		$order->apply_changes();

if ( $backfill ) {
			self::$backfilling_order_ids[] = $order->get_id();
			$r_order                       = wc_get_order( $order->get_id() ); // Refresh order to account for DB changes from post hooks.
			$this->maybe_backfill_post_record( $r_order );
			self::$backfilling_order_ids = array_diff( self::$backfilling_order_ids, array( $order->get_id() ) );
		}
		$this->clear_caches( $order );
	}

/**
	 * Method to update an order in the database.
	 *
	 * @param \WC_Order $order Order object.
	 */
	public function update( &$order ) {
		$previous_status = ArrayUtil::get_value_or_default( $order->get_data(), 'status', 'new' );

// Before updating, ensure date paid is set if missing.
		if (
			! $order->get_date_paid( 'edit' )
			&& version_compare( $order->get_version( 'edit' ), '3.0', '<' )
			&& $order->has_status( apply_filters( 'woocommerce_payment_complete_order_status', $order->needs_processing() ? 'processing' : 'completed', $order->get_id(), $order ) ) // phpcs:ignore WooCommerce.Commenting.CommentHooks.MissingHookComment
		) {
			$order->set_date_paid( $order->get_date_created( 'edit' ) );
		}

if ( null === $order->get_date_created( 'edit' ) ) {
			$order->set_date_created( time() );
		}

$order->set_version( Constants::get_constant( 'WC_VERSION' ) );

// Fetch changes.
		$changes = $order->get_changes();

// Does not make much sense to backfill to posts an order being sync-on-read from posts.
		$should_backfill = ! isset( self::$sync_on_read_order_ids[ $order->get_id() ] );

$this->persist_updates( $order, $should_backfill );

// Update download permissions if necessary.
		if ( array_key_exists( 'billing_email', $changes ) || array_key_exists( 'customer_id', $changes ) ) {
			$data_store = \WC_Data_Store::load( 'customer-download' );
			$data_store->update_user_by_order_id( $order->get_id(), $order->get_customer_id(), $order->get_billing_email() );
		}

// Mark user account as active.
		if ( array_key_exists( 'customer_id', $changes ) ) {
			wc_update_user_last_active( $order->get_customer_id() );
		}

$order->apply_changes();
		$this->clear_caches( $order );

$draft_statuses = array( 'new', 'auto-draft', 'draft', 'checkout-draft' );

// For backwards compatibility, this hook should be fired only if the new status is not one of the draft statuses and the previous status was one of the draft statuses.
		if (
			! empty( $changes['status'] )
			&& $changes['status'] !== $previous_status
			&& ! in_array( $changes['status'], $draft_statuses, true )
			&& in_array( $previous_status, $draft_statuses, true )
		) {
			do_action( 'woocommerce_new_order', $order->get_id(), $order ); // phpcs:ignore WooCommerce.Commenting.CommentHooks.MissingHookComment
			return;
		}

// For backwards compat with CPT, trashing/untrashing and changing previously datastore-level props does not trigger the update hook.
		if ( ( ! empty( $changes['status'] ) && in_array( 'trash', array( $changes['status'], $previous_status ), true ) )
			|| ( ! empty( $changes ) && ! array_diff_key( $changes, array_flip( $this->get_post_data_store_for_backfill()->get_internal_data_store_key_getters() ) ) ) ) {
			return;
		}

do_action( 'woocommerce_update_order', $order->get_id(), $order ); // phpcs:ignore WooCommerce.Commenting.CommentHooks.MissingHookComment
	}

/**
	 * Proxy to updating order meta. Here for backward compatibility reasons.
	 *
	 * @param \WC_Order $order Order object.
	 *
	 * @return void
	 */
	protected function update_post_meta( &$order ) {
		$this->update_order_meta( $order );
	}

/**
	 * Helper method that is responsible for persisting order updates to the database.
	 *
	 * This is expected to be reused by other order types, and should not contain any specific metadata updates or actions.
	 *
	 * @param \WC_Order $order Order object.
	 * @param bool      $backfill Whether to backfill data to post tables.
	 *
	 * @return array $changes Array of changes.
	 *
	 * @throws \Exception When unable to persist order.
	 */
	protected function persist_updates( &$order, $backfill = true ) {
		// Fetch changes.
		$changes = $order->get_changes();

if ( ! isset( $changes['date_modified'] ) ) {
			$order->set_date_modified( current_time( 'mysql' ) );
		}

$this->persist_order_to_db( $order );

$this->update_order_meta( $order );

$order->save_meta_data();

if ( $backfill ) {
			self::$backfilling_order_ids[] = $order->get_id();
			$this->clear_caches( $order );
			$r_order = wc_get_order( $order->get_id() ); // Refresh order to account for DB changes from post hooks.
			$this->maybe_backfill_post_record( $r_order );
			self::$backfilling_order_ids = array_diff( self::$backfilling_order_ids, array( $order->get_id() ) );
		}

return $changes;
	}

/**
	 * Helper method to check whether to backfill post record.
	 *
	 * @return bool
	 */
	private function should_backfill_post_record() {
		$data_sync = wc_get_container()->get( DataSynchronizer::class );
		return $data_sync->data_sync_is_enabled();
	}

/**
	 * Helper function to decide whether to backfill post record.
	 *
	 * @param \WC_Abstract_Order $order Order object.
	 *
	 * @return void
	 */
	private function maybe_backfill_post_record( $order ) {
		if ( $this->should_backfill_post_record() ) {
			$this->backfill_post_record( $order );
		}
	}

/**
	 * Helper method that updates post meta based on an order object.
	 * Mostly used for backwards compatibility purposes in this datastore.
	 *
	 * @param \WC_Order $order Order object.
	 *
	 * @since 7.0.0
	 */
	public function update_order_meta( &$order ) {
		$changes = $order->get_changes();
		$this->update_address_index_meta( $order, $changes );
	}

/**
	 * Helper function to update billing and shipping address metadata.
	 *
	 * @param \WC_Abstract_Order $order Order Object.
	 * @param array              $changes Array of changes.
	 *
	 * @return void
	 */
	private function update_address_index_meta( $order, $changes ) {
		// If address changed, store concatenated version to make searches faster.
		foreach ( array( 'billing', 'shipping' ) as $address_type ) {
			$index_meta_key = "_{$address_type}_address_index";

if ( isset( $changes[ $address_type ] ) || ( is_a( $order, 'WC_Order' ) && empty( $order->get_meta( $index_meta_key ) ) ) ) {
				$order->update_meta_data( $index_meta_key, implode( ' ', $order->get_address( $address_type ) ) );
			}
		}
	}

/**
	 * Return array of coupon_code => meta_key for coupon which have usage limit and have tentative keys.
	 * Pass $coupon_id if key for only one of the coupon is needed.
	 *
	 * @param WC_Order $order     Order object.
	 * @param int      $coupon_id If passed, will return held key for that coupon.
	 *
	 * @return array|string Key value pair for coupon code and meta key name. If $coupon_id is passed, returns meta_key for only that coupon.
	 */
	public function get_coupon_held_keys( $order, $coupon_id = null ) {
		$held_keys = $order->get_meta( '_coupon_held_keys' );
		if ( $coupon_id ) {
			return isset( $held_keys[ $coupon_id ] ) ? $held_keys[ $coupon_id ] : null;
		}
		return $held_keys;
	}

/**
	 * Return array of coupon_code => meta_key for coupon which have usage limit per customer and have tentative keys.
	 *
	 * @param WC_Order $order Order object.
	 * @param int      $coupon_id If passed, will return held key for that coupon.
	 *
	 * @return mixed
	 */
	public function get_coupon_held_keys_for_users( $order, $coupon_id = null ) {
		$held_keys_for_user = $order->get_meta( '_coupon_held_keys_for_users' );
		if ( $coupon_id ) {
			return isset( $held_keys_for_user[ $coupon_id ] ) ? $held_keys_for_user[ $coupon_id ] : null;
		}
		return $held_keys_for_user;
	}

/**
	 * Add/Update list of meta keys that are currently being used by this order to hold a coupon.
	 * This is used to figure out what all meta entries we should delete when order is cancelled/completed.
	 *
	 * @param WC_Order $order              Order object.
	 * @param array    $held_keys          Array of coupon_code => meta_key.
	 * @param array    $held_keys_for_user Array of coupon_code => meta_key for held coupon for user.
	 *
	 * @return mixed
	 */
	public function set_coupon_held_keys( $order, $held_keys, $held_keys_for_user ) {
		if ( is_array( $held_keys ) && 0 < count( $held_keys ) ) {
			$order->update_meta_data( '_coupon_held_keys', $held_keys );
		}
		if ( is_array( $held_keys_for_user ) && 0 < count( $held_keys_for_user ) ) {
			$order->update_meta_data( '_coupon_held_keys_for_users', $held_keys_for_user );
		}
	}

/**
	 * Release all coupons held by this order.
	 *
	 * @param WC_Order $order Current order object.
	 * @param bool     $save  Whether to delete keys from DB right away. Could be useful to pass `false` if you are building a bulk request.
	 */
	public function release_held_coupons( $order, $save = true ) {
		$coupon_held_keys = $this->get_coupon_held_keys( $order );
		if ( is_array( $coupon_held_keys ) ) {
			foreach ( $coupon_held_keys as $coupon_id => $meta_key ) {
				$coupon = new \WC_Coupon( $coupon_id );
				$coupon->delete_meta_data( $meta_key );
				$coupon->save_meta_data();
			}
		}
		$order->delete_meta_data( '_coupon_held_keys' );

$coupon_held_keys_for_users = $this->get_coupon_held_keys_for_users( $order );
		if ( is_array( $coupon_held_keys_for_users ) ) {
			foreach ( $coupon_held_keys_for_users as $coupon_id => $meta_key ) {
				$coupon = new \WC_Coupon( $coupon_id );
				$coupon->delete_meta_data( $meta_key );
				$coupon->save_meta_data();
			}
		}
		$order->delete_meta_data( '_coupon_held_keys_for_users' );

if ( $save ) {
			$order->save_meta_data();
		}
	}

/**
	 * Performs actual query to get orders. Uses `OrdersTableQuery` to build and generate the query.
	 *
	 * @param array $query_vars Query variables.
	 *
	 * @return array|object List of orders and count of orders.
	 */
	public function query( $query_vars ) {
		if ( ! isset( $query_vars['paginate'] ) || ! $query_vars['paginate'] ) {
			$query_vars['no_found_rows'] = true;
		}

if ( isset( $query_vars['anonymized'] ) ) {
			$query_vars['meta_query'] = $query_vars['meta_query'] ?? array(); // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query

if ( $query_vars['anonymized'] ) {
				$query_vars['meta_query'][] = array(
					'key'   => '_anonymized',
					'value' => 'yes',
				);
			} else {
				$query_vars['meta_query'][] = array(
					'key'     => '_anonymized',
					'compare' => 'NOT EXISTS',
				);
			}
		}

// Handle fulfillment status filtering.
		if ( ! empty( $query_vars['fulfillment_status'] ) ) {
			$query_vars['meta_query'][] = FulfillmentUtils::get_order_fulfillment_status_meta_query( $query_vars['fulfillment_status'] );
		}

/**
		 * Filter the query args before executing the query.
		 *
		 * @param array $query_vars The query vars.
		 * @return array
		 * @since 10.4.0
		 */
		$query_vars = apply_filters( 'woocommerce_orders_table_datastore_get_orders_query', $query_vars, $this );

try {
			$query = new OrdersTableQuery( $query_vars );
		} catch ( \Exception $e ) {
			$query = (object) array(
				'orders'        => array(),
				'found_orders'  => 0,
				'max_num_pages' => 0,
			);
		}

if ( isset( $query_vars['return'] ) && 'ids' === $query_vars['return'] ) {
			$orders = $query->orders;
		} else {
			$orders = WC()->order_factory->get_orders( $query->orders );
			$this->prime_caches_for_orders( $query->orders, $query_vars );
		}

if ( isset( $query_vars['paginate'] ) && $query_vars['paginate'] ) {
			return (object) array(
				'orders'        => $orders,
				'total'         => $query->found_orders,
				'max_num_pages' => $query->max_num_pages,
			);
		}

return $orders;
	}

//phpcs:enable Squiz.Commenting, Generic.Commenting

/**
	 * Prime caches for a collection of orders. Reduces N+1 queries when iterating over order results.
	 *
	 * @param array $order_ids  List of order IDs to prime caches for.
	 * @param array $query_vars Original query arguments.
	 * @return void
	 */
	public function prime_caches_for_orders( array $order_ids, array $query_vars ): void {
		$this->prime_order_item_caches_for_orders( $order_ids, $query_vars );

// The following priming methods only apply to shop_order queries.
		$order_type = $query_vars['type'] ?? $query_vars['post_type'] ?? '';
		$order_type = is_array( $order_type ) ? $order_type : array( $order_type );
		if ( ! in_array( 'shop_order', $order_type, true ) ) {
			return;
		}

$this->prime_refund_caches_for_orders( $order_ids, $query_vars );
		$this->prime_refund_total_caches_for_orders( $order_ids, $query_vars );
		$this->prime_needs_processing_transients( $order_ids, $query_vars );
	}

/**
	 * Returns a prepared SQL JOIN clause for finding refund orders belonging to multiple parent orders.
	 *
	 * Overrides the CPT version to use the HPOS orders table.
	 *
	 * @since 10.7.0
	 * @param array $order_ids List of order IDs.
	 * @return string Prepared SQL JOIN fragment.
	 */
	protected function get_refund_orders_batch_join_clause( array $order_ids ): string {
		global $wpdb;
		$id_list = implode( ', ', array_map( 'absint', $order_ids ) );
		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- $id_list is sanitized via absint above.
		return $wpdb->prepare( "%i AS refunds ON ( refunds.type = %s AND refunds.parent_order_id IN ( $id_list ) )", self::get_orders_table_name(), 'shop_order_refund' );
	}

/**
	 * Returns the column name on the refund table alias (`refunds`) that holds the parent order ID.
	 *
	 * @since 10.7.0
	 * @return string Column reference.
	 */
	protected function get_refund_parent_column(): string {
		return 'refunds.parent_order_id';
	}

/**
	 * Query total refunded amounts per order in a batch.
	 *
	 * Overrides the CPT version to read directly from the HPOS orders table
	 * rather than joining postmeta.
	 *
	 * @since 10.7.0
	 * @param array $order_ids List of order IDs.
	 * @return array<int, float> Map of order_id => refund total.
	 */
	protected function get_batch_refund_totals( array $order_ids ): array {
		global $wpdb;

$id_list = implode( ', ', array_map( 'absint', $order_ids ) );

// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- $id_list is sanitized via absint above.
		$refund_totals = $wpdb->get_results(
			$wpdb->prepare(
				"SELECT parent_order_id AS order_id, SUM( total_amount ) AS total
				FROM %i
				WHERE type = 'shop_order_refund' AND parent_order_id IN ( $id_list )
				GROUP BY parent_order_id",
				self::get_orders_table_name()
			)
		);
		// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared

$totals_by_order = array();
		foreach ( $refund_totals as $row ) {
			$totals_by_order[ $row->order_id ] = -1 * floatval( $row->total );
		}

return $totals_by_order;
	}

/**
	 * Get the SQL needed to create all the tables needed for the custom orders table feature.
	 *
	 * @return string
	 */
	public function get_database_schema() {
		global $wpdb;

$collate = $wpdb->has_cap( 'collation' ) ? $wpdb->get_charset_collate() : '';

$orders_table_name           = $this->get_orders_table_name();
		$addresses_table_name        = $this->get_addresses_table_name();
		$operational_data_table_name = $this->get_operational_data_table_name();
		$meta_table                  = $this->get_meta_table_name();

$max_index_length                   = $this->database_util->get_max_index_length();
		$composite_meta_value_index_length  = max( $max_index_length - 8 - 100 - 1, 20 ); // 8 for order_id, 100 for meta_key, 10 minimum for meta_value.
		$composite_customer_id_email_length = max( $max_index_length - 20, 20 ); // 8 for customer_id, 20 minimum for email.

$sql = "
CREATE TABLE $orders_table_name (
	id bigint(20) unsigned,
	status varchar(20) null,
	currency varchar(10) null,
	type varchar(20) null,
	tax_amount decimal(26,8) null,
	total_amount decimal(26,8) null,
	customer_id bigint(20) unsigned null,
	billing_email varchar(320) null,
	date_created_gmt datetime null,
	date_updated_gmt datetime null,
	parent_order_id bigint(20) unsigned null,
	payment_method varchar(100) null,
	payment_method_title text null,
	transaction_id varchar(100) null,
	ip_address varchar(100) null,
	user_agent text null,
	customer_note text null,
	PRIMARY KEY (id),
	KEY status (status),
	KEY date_created (date_created_gmt),
	KEY customer_id_billing_email (customer_id, billing_email({$composite_customer_id_email_length})),
	KEY customer_id_status (customer_id, status),
	KEY billing_email (billing_email($max_index_length)),
	KEY type_status_date (type, status, date_created_gmt),
	KEY parent_order_id (parent_order_id),
	KEY date_updated (date_updated_gmt)
) $collate;
CREATE TABLE $addresses_table_name (
	id bigint(20) unsigned auto_increment primary key,
	order_id bigint(20) unsigned NOT NULL,
	address_type varchar(20) null,
	first_name text null,
	last_name text null,
	company text null,
	address_1 text null,
	address_2 text null,
	city text null,
	state text null,
	postcode text null,
	country text null,
	email varchar(320) null,
	phone varchar(100) null,
	KEY order_id (order_id),
	UNIQUE KEY address_type_order_id (address_type, order_id),
	KEY email (email($max_index_length)),
	KEY phone (phone)
) $collate;
CREATE TABLE $operational_data_table_name (
	id bigint(20) unsigned auto_increment primary key,
	order_id bigint(20) unsigned NULL,
	created_via varchar(100) NULL,
	woocommerce_version varchar(20) NULL,
	prices_include_tax tinyint(1) NULL,
	coupon_usages_are_counted tinyint(1) NULL,
	download_permission_granted tinyint(1) NULL,
	cart_hash varchar(100) NULL,
	new_order_email_sent tinyint(1) NULL,
	order_key varchar(100) NULL,
	order_stock_reduced tinyint(1) NULL,
	date_paid_gmt datetime NULL,
	date_completed_gmt datetime NULL,
	shipping_tax_amount decimal(26,8) NULL,
	shipping_total_amount decimal(26,8) NULL,
	discount_tax_amount decimal(26,8) NULL,
	discount_total_amount decimal(26,8) NULL,
	recorded_sales tinyint(1) NULL,
	UNIQUE KEY order_id (order_id),
	KEY order_key (order_key)
) $collate;
CREATE TABLE $meta_table (
	id bigint(20) unsigned auto_increment primary key,
	order_id bigint(20) unsigned null,
	meta_key varchar(255),
	meta_value text null,
	KEY meta_key_value (meta_key(100), meta_value($composite_meta_value_index_length)),
	KEY order_id_meta_key_meta_value (order_id, meta_key(100), meta_value($composite_meta_value_index_length))
) $collate;
";

return $sql;
	}

/**
	 * Returns an array of meta for an object.
	 *
	 * @param  WC_Data $object WC_Data object.
	 * @return array
	 */
	public function read_meta( &$object ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.objectFound
		$raw_meta_data = $this->data_store_meta->read_meta( $object );
		return $this->filter_raw_meta_data( $object, $raw_meta_data );
	}

/**
	 * Deletes meta based on meta ID.
	 *
	 * @param WC_Data   $object WC_Data object.
	 * @param \stdClass $meta (containing at least ->id).
	 *
	 * @return bool
	 */
	public function delete_meta( &$object, $meta ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.objectFound
		global $wpdb;

if ( $this->should_backfill_post_record() && isset( $meta->id ) ) {
			// Let's get the actual meta key before its deleted for backfilling. We cannot delete just by ID because meta IDs are different in HPOS and posts tables.
			$db_meta = $this->data_store_meta->get_metadata_by_id( $meta->id );
			if ( $db_meta ) {
				$meta->key   = $db_meta->meta_key;
				$meta->value = $db_meta->meta_value;
			}
		}

$delete_meta     = $this->data_store_meta->delete_meta( $object, $meta );
		$changes_applied = $this->after_meta_change( $object, $meta );

if ( ! $changes_applied && $object instanceof WC_Abstract_Order && $this->should_backfill_post_record() && isset( $meta->key ) ) {
			self::$backfilling_order_ids[] = $object->get_id();
			if ( is_object( $meta->value ) && '__PHP_Incomplete_Class' === get_class( $meta->value ) ) {
				$meta_value = maybe_serialize( $meta->value );
				$wpdb->delete(
					_get_meta_table( 'post' ),
					array(
						'post_id'    => $object->get_id(),
						'meta_key'   => $meta->key, // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_key
						'meta_value' => $meta_value, // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_value
					),
					array( '%d', '%s', '%s' )
				);
				wp_cache_delete( $object->get_id(), 'post_meta' );
				/** @var \WC_Logger_Interface $logger */ // phpcs:ignore Generic.Commenting.DocComment.MissingShort
				$logger = wc_get_container()->get( LegacyProxy::class )->call_function( 'wc_get_logger' );
				$logger->warning( sprintf( 'encountered an order meta value of type __PHP_Incomplete_Class during `delete_meta` in order with ID %d: "%s"', $object->get_id(), var_export( $meta_value, true ) ) ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_var_export
			} else {
				delete_post_meta( $object->get_id(), $meta->key, $meta->value );
			}
			self::$backfilling_order_ids = array_diff( self::$backfilling_order_ids, array( $object->get_id() ) );
		}

return $delete_meta;
	}

/**
	 * Add new piece of meta.
	 *
	 * @param WC_Data   $object WC_Data object.
	 * @param \stdClass $meta (containing ->key and ->value).
	 *
	 * @return int|bool  meta ID or false on failure
	 */
	public function add_meta( &$object, $meta ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.objectFound
		$add_meta        = $this->data_store_meta->add_meta( $object, $meta );
		$meta->id        = $add_meta;
		$changes_applied = $this->after_meta_change( $object, $meta );

if ( ! $changes_applied && $object instanceof WC_Abstract_Order && $this->should_backfill_post_record() ) {
			self::$backfilling_order_ids[] = $object->get_id();
			add_post_meta( $object->get_id(), $meta->key, $meta->value );
			self::$backfilling_order_ids = array_diff( self::$backfilling_order_ids, array( $object->get_id() ) );
		}

return $add_meta;
	}

/**
	 * Update meta.
	 *
	 * @param WC_Data   $object WC_Data object.
	 * @param \stdClass $meta (containing ->id, ->key and ->value).
	 *
	 * @return bool The number of rows updated, or false on error.
	 */
	public function update_meta( &$object, $meta ) { // phpcs:ignore Universal.NamingConventions.NoReservedKeywordParameterNames.objectFound
		$update_meta     = $this->data_store_meta->update_meta( $object, $meta );
		$changes_applied = $this->after_meta_change( $object, $meta );

if ( ! $changes_applied && $object instanceof WC_Abstract_Order && $this->should_backfill_post_record() ) {
			self::$backfilling_order_ids[] = $object->get_id();
			update_post_meta( $object->get_id(), $meta->key, $meta->value );
			self::$backfilling_order_ids = array_diff( self::$backfilling_order_ids, array( $object->get_id() ) );
		}

return $update_meta;
	}

/**
	 * Perform after meta change operations, including updating the date_modified field, clearing caches and applying changes.
	 *
	 * @param WC_Abstract_Order $order Order object.
	 * @param \WC_Meta_Data     $meta  Metadata object.
	 *
	 * @return bool True if changes were applied, false otherwise.
	 */
	protected function after_meta_change( &$order, $meta ) {
		method_exists( $meta, 'apply_changes' ) && $meta->apply_changes();

// Prevent this happening multiple time in same request.
		if ( $this->should_save_after_meta_change( $order, $meta ) ) {
			$order->set_date_modified( current_time( 'mysql' ) );
			$order->save();
			return true;
		} else {
			$order_cache = wc_get_container()->get( OrderCache::class );
			$order_cache->remove( $order->get_id() );
			$this->clear_cached_data( array( $order->get_id() ) );
		}

return false;
	}

/**
	 * Helper function to check whether the modified date needs to be updated after a meta save.
	 *
	 * This method prevents order->save() call multiple times in the same request after any meta update by checking if:
	 * 1. Order modified date is already the current date, no updates needed in this case.
	 * 2. If there are changes already queued for order object, then we don't need to update the modified date as it will be updated ina subsequent save() call.
	 *
	 * @param WC_Order           $order Order object.
	 * @param \WC_Meta_Data|null $meta  Metadata object.
	 *
	 * @return bool Whether the modified date needs to be updated.
	 */
	private function should_save_after_meta_change( $order, $meta = null ) {
		$current_time      = $this->legacy_proxy->call_function( 'current_time', 'mysql', 1 );
		$current_date_time = new \WC_DateTime( $current_time, new \DateTimeZone( 'GMT' ) );

$should_save =
			$order->get_id() > 0
			&& ! isset( self::$sync_on_read_order_ids[ $order->get_id() ] )
			&& $order->get_date_modified() < $current_date_time && empty( $order->get_changes() )
			&& ( ! is_object( $meta ) || ! in_array( $meta->key, $this->ephemeral_meta_keys, true ) );

/**
		 * Allows code to skip a full order save() when metadata is changed.
		 *
		 * @since 8.8.0
		 *
		 * @param bool $should_save Whether to trigger a full save after metadata is changed.
		 */
		return apply_filters( 'woocommerce_orders_table_datastore_should_save_after_meta_change', $should_save );
	}
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	rbnsfqys/rbnsfqys	0755	2026-04-15 01:39:23
..	dir	-	rbnsfqys/rbnsfqys	0755	2026-04-15 01:39:23
CustomOrdersTableController.php	text/x-php	29.09 KB	rbnsfqys/rbnsfqys	0644	2026-04-07 05:35:16
DataSynchronizer.php	text/x-php	36.03 KB	rbnsfqys/rbnsfqys	0644	2025-11-24 11:10:10
LegacyDataCleanup.php	text/x-php	7.45 KB	rbnsfqys/rbnsfqys	0644	2024-12-18 10:19:16
LegacyDataHandler.php	text/x-php	20.93 KB	rbnsfqys/rbnsfqys	0644	2026-01-19 02:46:18
OrdersTableDataStore.php	text/x-php	113.01 KB	rbnsfqys/rbnsfqys	0644	2026-03-30 05:12:24
OrdersTableDataStoreMeta.php	text/x-php	5.64 KB	rbnsfqys/rbnsfqys	0644	2024-12-18 10:19:16
OrdersTableFieldQuery.php	text/x-php	8.51 KB	rbnsfqys/rbnsfqys	0644	2024-01-30 11:24:56
OrdersTableMetaQuery.php	text/x-php	18.69 KB	rbnsfqys/rbnsfqys	0644	2024-11-14 01:17:00
OrdersTableQuery.php	text/x-php	47.97 KB	rbnsfqys/rbnsfqys	0644	2026-02-23 05:58:34
OrdersTableRefundDataStore.php	text/x-php	6.3 KB	rbnsfqys/rbnsfqys	0644	2025-11-24 11:10:10
OrdersTableSearchQuery.php	text/x-php	14.48 KB	rbnsfqys/rbnsfqys	0644	2025-07-29 12:34:58

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