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File Content: `DraftOrders.php`

<?php
namespace Automattic\WooCommerce\Blocks\Domain\Services;

use Automattic\WooCommerce\Blocks\Domain\Package;
use Exception;
use WC_Order;

/**
 * Service class for adding DraftOrder functionality to WooCommerce core.
 *
 * Sets up all logic related to the Checkout Draft Orders service
 *
 * @internal
 */
class DraftOrders {

	const DB_STATUS = 'wc-checkout-draft';
	const STATUS    = 'checkout-draft';

	/**
	 * Holds the Package instance
	 *
	 * @var Package
	 */
	private $package;

	/**
	 * Constructor
	 *
	 * @param Package $package An instance of the package class.
	 */
	public function __construct( Package $package ) {
		$this->package = $package;
	}

	/**
	 * Set all hooks related to adding Checkout Draft order functionality to Woo Core.
	 */
	public function init() {
		add_filter( 'wc_order_statuses', [ $this, 'register_draft_order_status' ] );
		add_filter( 'woocommerce_register_shop_order_post_statuses', [ $this, 'register_draft_order_post_status' ] );
		add_filter( 'woocommerce_analytics_excluded_order_statuses', [ $this, 'append_draft_order_post_status' ] );
		add_filter( 'woocommerce_valid_order_statuses_for_payment', [ $this, 'append_draft_order_post_status' ] );
		add_filter( 'woocommerce_valid_order_statuses_for_payment_complete', [ $this, 'append_draft_order_post_status' ] );
		// Hook into the query to retrieve My Account orders so draft status is excluded.
		add_action( 'woocommerce_my_account_my_orders_query', [ $this, 'delete_draft_order_post_status_from_args' ] );
		add_action( 'woocommerce_cleanup_draft_orders', [ $this, 'delete_expired_draft_orders' ] );
		add_action( 'admin_init', [ $this, 'install' ] );
	}

	/**
	 * Installation related logic for Draft order functionality.
	 *
	 * @internal
	 */
	public function install() {
		$this->maybe_create_cronjobs();
	}

	/**
	 * Maybe create cron events.
	 */
	protected function maybe_create_cronjobs() {
		if ( function_exists( 'as_next_scheduled_action' ) && false === as_next_scheduled_action( 'woocommerce_cleanup_draft_orders' ) ) {
			as_schedule_recurring_action( strtotime( 'midnight tonight' ), DAY_IN_SECONDS, 'woocommerce_cleanup_draft_orders' );
		}
	}

	/**
	 * Register custom order status for orders created via the API during checkout.
	 *
	 * Draft order status is used before payment is attempted, during checkout, when a cart is converted to an order.
	 *
	 * @param array $statuses Array of statuses.
	 * @internal
	 * @return array
	 */
	public function register_draft_order_status( array $statuses ) {
		$statuses[ self::DB_STATUS ] = _x( 'Draft', 'Order status', 'woocommerce' );
		return $statuses;
	}

	/**
	 * Register custom order post status for orders created via the API during checkout.
	 *
	 * @param array $statuses Array of statuses.
	 * @internal

	 * @return array
	 */
	public function register_draft_order_post_status( array $statuses ) {
		$statuses[ self::DB_STATUS ] = $this->get_post_status_properties();
		return $statuses;
	}

	/**
	 * Returns the properties of this post status for registration.
	 *
	 * @return array
	 */
	private function get_post_status_properties() {
		return [
			'label'                     => _x( 'Draft', 'Order status', 'woocommerce' ),
			'public'                    => false,
			'exclude_from_search'       => false,
			'show_in_admin_all_list'    => false,
			'show_in_admin_status_list' => true,
			/* translators: %s: number of orders */
			'label_count'               => _n_noop( 'Drafts <span class="count">(%s)</span>', 'Drafts <span class="count">(%s)</span>', 'woocommerce' ),
		];
	}

	/**
	 * Remove draft status from the 'status' argument of an $args array.
	 *
	 * @param array $args Array of arguments containing statuses in the status key.
	 * @internal
	 * @return array
	 */
	public function delete_draft_order_post_status_from_args( $args ) {
		if ( ! array_key_exists( 'status', $args ) ) {
			$statuses = [];
			foreach ( wc_get_order_statuses() as $key => $label ) {
				if ( self::DB_STATUS !== $key ) {
					$statuses[] = str_replace( 'wc-', '', $key );
				}
			}
			$args['status'] = $statuses;
		} elseif ( self::DB_STATUS === $args['status'] ) {
			$args['status'] = '';
		} elseif ( is_array( $args['status'] ) ) {
			$args['status'] = array_diff_key( $args['status'], array( self::STATUS => null ) );
		}

		return $args;
	}

	/**
	 * Append draft status to a list of statuses.
	 *
	 * @param array $statuses Array of statuses.
	 * @internal

	 * @return array
	 */
	public function append_draft_order_post_status( $statuses ) {
		$statuses[] = self::STATUS;
		return $statuses;
	}

	/**
	 * Delete draft orders older than a day in batches of 20.
	 *
	 * Ran on a daily cron schedule.
	 *
	 * @internal
	 */
	public function delete_expired_draft_orders() {
		$count      = 0;
		$batch_size = 20;
		$this->ensure_draft_status_registered();
		$orders = wc_get_orders(
			[
				'date_modified' => '<=' . strtotime( '-1 DAY' ),
				'limit'         => $batch_size,
				'status'        => self::DB_STATUS,
				'type'          => 'shop_order',
			]
		);

		// do we bail because the query results are unexpected?
		try {
			$this->assert_order_results( $orders, $batch_size );
			if ( $orders ) {
				foreach ( $orders as $order ) {
					$order->delete( true );
					$count ++;
				}
			}
			if ( $batch_size === $count && function_exists( 'as_enqueue_async_action' ) ) {
				as_enqueue_async_action( 'woocommerce_cleanup_draft_orders' );
			}
		} catch ( Exception $error ) {
			wc_caught_exception( $error, __METHOD__ );
		}
	}

	/**
	 * Since it's possible for third party code to clobber the `$wp_post_statuses` global,
	 * we need to do a final check here to make sure the draft post status is
	 * registered with the global so that it is not removed by WP_Query status
	 * validation checks.
	 */
	private function ensure_draft_status_registered() {
		$is_registered = get_post_stati( [ 'name' => self::DB_STATUS ] );
		if ( empty( $is_registered ) ) {
			register_post_status(
				self::DB_STATUS,
				$this->get_post_status_properties()
			);
		}
	}

	/**
	 * Asserts whether incoming order results are expected given the query
	 * this service class executes.
	 *
	 * @param WC_Order[] $order_results The order results being asserted.
	 * @param int        $expected_batch_size The expected batch size for the results.
	 * @throws Exception If any assertions fail, an exception is thrown.
	 */
	private function assert_order_results( $order_results, $expected_batch_size ) {
		// if not an array, then just return because it won't get handled
		// anyways.
		if ( ! is_array( $order_results ) ) {
			return;
		}

		$suffix = ' This is an indicator that something is filtering WooCommerce or WordPress queries and modifying the query parameters.';

		// if count is greater than our expected batch size, then that's a problem.
		if ( count( $order_results ) > 20 ) {
			throw new Exception( 'There are an unexpected number of results returned from the query.' . $suffix );
		}

		// if any of the returned orders are not draft (or not a WC_Order), then that's a problem.
		foreach ( $order_results as $order ) {
			if ( ! ( $order instanceof WC_Order ) ) {
				throw new Exception( 'The returned results contain a value that is not a WC_Order.' . $suffix );
			}
			if ( ! $order->has_status( self::STATUS ) ) {
				throw new Exception( 'The results contain an order that is not a `wc-checkout-draft` status in the results.' . $suffix );
			}
		}
	}
}
Name	Size	Permission
Email	---	0755
OnboardingTasks	---	0755
CheckoutFields.php	46684 bytes	0644
CheckoutFieldsAdmin.php	5420 bytes	0644
CheckoutFieldsFrontend.php	10888 bytes	0644
CreateAccount.php	2409 bytes	0644
DraftOrders.php	7455 bytes	0644
FeatureGating.php	2146 bytes	0644
GoogleAnalytics.php	3681 bytes	0644
Hydration.php	8373 bytes	0644
Notices.php	3631 bytes	0644
functions.php	2959 bytes	0644
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