98 lines
2.2 KiB
PHP
98 lines
2.2 KiB
PHP
<?php
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/**
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* ActionScheduler_AsyncRequest_QueueRunner
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*/
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defined( 'ABSPATH' ) || exit;
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/**
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* ActionScheduler_AsyncRequest_QueueRunner class.
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*/
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class ActionScheduler_AsyncRequest_QueueRunner extends WP_Async_Request {
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/**
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* Data store for querying actions
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*
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* @var ActionScheduler_Store
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* @access protected
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*/
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protected $store;
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/**
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* Prefix for ajax hooks
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*
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* @var string
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* @access protected
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*/
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protected $prefix = 'as';
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/**
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* Action for ajax hooks
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*
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* @var string
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* @access protected
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*/
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protected $action = 'async_request_queue_runner';
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/**
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* Initiate new async request
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*/
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public function __construct( ActionScheduler_Store $store ) {
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parent::__construct();
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$this->store = $store;
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}
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/**
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* Handle async requests
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*
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* Run a queue, and maybe dispatch another async request to run another queue
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* if there are still pending actions after completing a queue in this request.
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*/
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protected function handle() {
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do_action( 'action_scheduler_run_queue', 'Async Request' ); // run a queue in the same way as WP Cron, but declare the Async Request context
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$sleep_seconds = $this->get_sleep_seconds();
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if ( $sleep_seconds ) {
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sleep( $sleep_seconds );
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}
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$this->maybe_dispatch();
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}
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/**
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* If the async request runner is needed and allowed to run, dispatch a request.
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*/
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public function maybe_dispatch() {
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if ( ! $this->allow() ) {
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return;
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}
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$this->dispatch();
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ActionScheduler_QueueRunner::instance()->unhook_dispatch_async_request();
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}
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/**
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* Only allow async requests when needed.
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*
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* Also allow 3rd party code to disable running actions via async requests.
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*/
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protected function allow() {
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if ( ! has_action( 'action_scheduler_run_queue' ) || ActionScheduler::runner()->has_maximum_concurrent_batches() || ! $this->store->has_pending_actions_due() ) {
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$allow = false;
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} else {
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$allow = true;
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}
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return apply_filters( 'action_scheduler_allow_async_request_runner', $allow );
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}
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/**
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* Chaining async requests can crash MySQL. A brief sleep call in PHP prevents that.
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*/
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protected function get_sleep_seconds() {
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return apply_filters( 'action_scheduler_async_request_sleep_seconds', 5, $this );
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}
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}
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