128 lines
2.9 KiB
PHP
128 lines
2.9 KiB
PHP
<?php
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/**
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* Background Updater
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*
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* Uses https://github.com/A5hleyRich/wp-background-processing to handle DB
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* updates in the background.
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*
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* @class WC_Background_Updater
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* @version 2.6.0
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* @package WooCommerce/Classes
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* @category Class
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* @author WooThemes
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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include_once( dirname( __FILE__ ) . '/libraries/wp-async-request.php' );
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include_once( dirname( __FILE__ ) . '/libraries/wp-background-process.php' );
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/**
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* WC_Background_Updater Class.
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*/
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class WC_Background_Updater extends WP_Background_Process {
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/**
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* @var string
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*/
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protected $action = 'wc_updater';
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/**
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* Dispatch updater.
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*
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* Updater will still run via cron job if this fails for any reason.
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*/
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public function dispatch() {
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$dispatched = parent::dispatch();
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$logger = new WC_Logger();
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if ( is_wp_error( $dispatched ) ) {
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$logger->add( 'wc_db_updates', sprintf( 'Unable to dispatch WooCommerce updater: %s', $dispatched->get_error_message() ) );
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}
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}
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/**
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* Handle cron healthcheck
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*
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* Restart the background process if not already running
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* and data exists in the queue.
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*/
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public function handle_cron_healthcheck() {
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if ( $this->is_process_running() ) {
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// Background process already running.
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return;
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}
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if ( $this->is_queue_empty() ) {
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// No data to process.
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$this->clear_scheduled_event();
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return;
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}
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$this->handle();
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}
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/**
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* Schedule fallback event.
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*/
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protected function schedule_event() {
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if ( ! wp_next_scheduled( $this->cron_hook_identifier ) ) {
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wp_schedule_event( time() + 10, $this->cron_interval_identifier, $this->cron_hook_identifier );
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}
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}
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/**
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* Is the updater running?
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* @return boolean
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*/
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public function is_updating() {
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return false === $this->is_queue_empty();
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}
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/**
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* Task
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*
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* Override this method to perform any actions required on each
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* queue item. Return the modified item for further processing
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* in the next pass through. Or, return false to remove the
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* item from the queue.
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*
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* @param string $callback Update callback function
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* @return mixed
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*/
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protected function task( $callback ) {
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if ( ! defined( 'WC_UPDATING' ) ) {
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define( 'WC_UPDATING', true );
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}
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$logger = new WC_Logger();
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include_once( dirname( __FILE__ ) . '/wc-update-functions.php' );
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if ( is_callable( $callback ) ) {
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$logger->add( 'wc_db_updates', sprintf( 'Running %s callback', $callback ) );
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call_user_func( $callback );
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$logger->add( 'wc_db_updates', sprintf( 'Finished %s callback', $callback ) );
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} else {
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$logger->add( 'wc_db_updates', sprintf( 'Could not find %s callback', $callback ) );
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}
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return false;
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}
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/**
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* Complete
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*
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* Override if applicable, but ensure that the below actions are
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* performed, or, call parent::complete().
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*/
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protected function complete() {
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$logger = new WC_Logger();
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$logger->add( 'wc_db_updates', 'Data update complete' );
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WC_Install::update_db_version();
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parent::complete();
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}
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}
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