<?php
/**
* Class ActionScheduler_QueueCleaner
*/
class ActionScheduler_QueueCleaner {
/** @var int */
protected $batch_size;
/** @var ActionScheduler_Store */
private $store = null;
/**
* 31 days in seconds.
*
* @var int
*/
private $month_in_seconds = 2678400;
/**
* @var string[] Default list of statuses purged by the cleaner process.
*/
private $default_statuses_to_purge = [
ActionScheduler_Store::STATUS_COMPLETE,
ActionScheduler_Store::STATUS_CANCELED,
];
/**
* ActionScheduler_QueueCleaner constructor.
*
* @param ActionScheduler_Store $store The store instance.
* @param int $batch_size The batch size.
*/
public function __construct( ActionScheduler_Store $store = null, $batch_size = 20 ) {
$this->store = $store ? $store : ActionScheduler_Store::instance();
$this->batch_size = $batch_size;
}
/**
* Default queue cleaner process used by queue runner.
*
* @return array
*/
public function delete_old_actions() {
/**
* Filter the minimum scheduled date age for action deletion.
*
* @param int $retention_period Minimum scheduled age in seconds of the actions to be deleted.
*/
$lifespan = apply_filters( 'action_scheduler_retention_period', $this->month_in_seconds );
try {
$cutoff = as_get_datetime_object( $lifespan . ' seconds ago' );
} catch ( Exception $e ) {
_doing_it_wrong(
__METHOD__,
sprintf(
/* Translators: %s is the exception message. */
esc_html__( 'It was not possible to determine a valid cut-off time: %s.', 'woocommerce' ),
esc_html( $e->getMessage() )
),
'3.5.5'
);
return array();
}
/**
* Filter the statuses when cleaning the queue.
*
* @param string[] $default_statuses_to_purge Action statuses to clean.
*/
$statuses_to_purge = (array) apply_filters( 'action_scheduler_default_cleaner_statuses', $this->default_statuses_to_purge );
return $this->clean_actions( $statuses_to_purge, $cutoff, $this->get_batch_size() );
}
/**
* Delete selected actions limited by status and date.
*
* @param string[] $statuses_to_purge List of action statuses to purge. Defaults to canceled, complete.
* @param DateTime $cutoff_date Date limit for selecting actions. Defaults to 31 days ago.
* @param int|null $batch_size Maximum number of actions per status to delete. Defaults to 20.
* @param string $context Calling process context. Defaults to `old`.
* @return array Actions deleted.
*/
public function clean_actions( array $statuses_to_purge, DateTime $cutoff_date, $batch_size = null, $context = 'old' ) {
$batch_size = $batch_size !== null ? $batch_size : $this->batch_size;
$cutoff = $cutoff_date !== null ? $cutoff_date : as_get_datetime_object( $this->month_in_seconds . ' seconds ago' );
$lifespan = time() - $cutoff->getTimestamp();
if ( empty( $statuses_to_purge ) ) {
$statuses_to_purge = $this->default_statuses_to_purge;
}
$deleted_actions = [];
foreach ( $statuses_to_purge as $status ) {
$actions_to_delete = $this->store->query_actions( array(
'status' => $status,
'modified' => $cutoff,
'modified_compare' => '<=',
'per_page' => $batch_size,
'orderby' => 'none',
) );
$deleted_actions = array_merge( $deleted_actions, $this->delete_actions( $actions_to_delete, $lifespan, $context ) );
}
return $deleted_actions;
}
/**
* @param int[] $actions_to_delete List of action IDs to delete.
* @param int $lifespan Minimum scheduled age in seconds of the actions being deleted.
* @param string $context Context of the delete request.
* @return array Deleted action IDs.
*/
private function delete_actions( array $actions_to_delete, $lifespan = null, $context = 'old' ) {
$deleted_actions = [];
if ( $lifespan === null ) {
$lifespan = $this->month_in_seconds;
}
foreach ( $actions_to_delete as $action_id ) {
try {
$this->store->delete_action( $action_id );
$deleted_actions[] = $action_id;
} catch ( Exception $e ) {
/**
* Notify 3rd party code of exceptions when deleting a completed action older than the retention period
*
* This hook provides a way for 3rd party code to log or otherwise handle exceptions relating to their
* actions.
*
* @param int $action_id The scheduled actions ID in the data store
* @param Exception $e The exception thrown when attempting to delete the action from the data store
* @param int $lifespan The retention period, in seconds, for old actions
* @param int $count_of_actions_to_delete The number of old actions being deleted in this batch
* @since 2.0.0
*
*/
do_action( "action_scheduler_failed_{$context}_action_deletion", $action_id, $e, $lifespan, count( $actions_to_delete ) );
}
}
return $deleted_actions;
}
/**
* Unclaim pending actions that have not been run within a given time limit.
*
* When called by ActionScheduler_Abstract_QueueRunner::run_cleanup(), the time limit passed
* as a parameter is 10x the time limit used for queue processing.
*
* @param int $time_limit The number of seconds to allow a queue to run before unclaiming its pending actions. Default 300 (5 minutes).
*/
public function reset_timeouts( $time_limit = 300 ) {
$timeout = apply_filters( 'action_scheduler_timeout_period', $time_limit );
if ( $timeout < 0 ) {
return;
}
$cutoff = as_get_datetime_object($timeout.' seconds ago');
$actions_to_reset = $this->store->query_actions( array(
'status' => ActionScheduler_Store::STATUS_PENDING,
'modified' => $cutoff,
'modified_compare' => '<=',
'claimed' => true,
'per_page' => $this->get_batch_size(),
'orderby' => 'none',
) );
foreach ( $actions_to_reset as $action_id ) {
$this->store->unclaim_action( $action_id );
do_action( 'action_scheduler_reset_action', $action_id );
}
}
/**
* Mark actions that have been running for more than a given time limit as failed, based on
* the assumption some uncatachable and unloggable fatal error occurred during processing.
*
* When called by ActionScheduler_Abstract_QueueRunner::run_cleanup(), the time limit passed
* as a parameter is 10x the time limit used for queue processing.
*
* @param int $time_limit The number of seconds to allow an action to run before it is considered to have failed. Default 300 (5 minutes).
*/
public function mark_failures( $time_limit = 300 ) {
$timeout = apply_filters( 'action_scheduler_failure_period', $time_limit );
if ( $timeout < 0 ) {
return;
}
$cutoff = as_get_datetime_object($timeout.' seconds ago');
$actions_to_reset = $this->store->query_actions( array(
'status' => ActionScheduler_Store::STATUS_RUNNING,
'modified' => $cutoff,
'modified_compare' => '<=',
'per_page' => $this->get_batch_size(),
'orderby' => 'none',
) );
foreach ( $actions_to_reset as $action_id ) {
$this->store->mark_failure( $action_id );
do_action( 'action_scheduler_failed_action', $action_id, $timeout );
}
}
/**
* Do all of the cleaning actions.
*
* @param int $time_limit The number of seconds to use as the timeout and failure period. Default 300 (5 minutes).
* @author Jeremy Pry
*/
public function clean( $time_limit = 300 ) {
$this->delete_old_actions();
$this->reset_timeouts( $time_limit );
$this->mark_failures( $time_limit );
}
/**
* Get the batch size for cleaning the queue.
*
* @author Jeremy Pry
* @return int
*/
protected function get_batch_size() {
/**
* Filter the batch size when cleaning the queue.
*
* @param int $batch_size The number of actions to clean in one batch.
*/
return absint( apply_filters( 'action_scheduler_cleanup_batch_size', $this->batch_size ) );
}
}