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<?php
namespace AutomateWoo\Jobs;
use AutomateWoo\ActionScheduler\ActionSchedulerInterface;
defined( 'ABSPATH' ) || exit;
/**
* Class ActionSchedulerJobMonitor
*
* @since 5.1.0
*/
class ActionSchedulerJobMonitor {
/**
* @var ActionSchedulerInterface
*/
protected $action_scheduler;
/**
* ActionSchedulerInterface constructor.
*
* @param ActionSchedulerInterface $action_scheduler
*/
public function __construct( ActionSchedulerInterface $action_scheduler ) {
$this->action_scheduler = $action_scheduler;
}
/**
* Check whether the failure rate is above a threshold within the last hour.
*
* To protect against failing jobs running forever the job's failure rate is checked before creating a new batch.
* By default, a job is stopped if it has 5 failures in the last hour.
*
* @param ActionSchedulerJobInterface $job
*
* @throws JobException If the job's error rate is above the threshold.
*/
public function validate_failure_rate( ActionSchedulerJobInterface $job ) {
$failed_actions = $this->action_scheduler->search(
[
'hook' => $job->get_process_item_hook(),
'status' => $this->action_scheduler::STATUS_FAILED,
'per_page' => $this->get_failure_rate_threshold(),
'date' => gmdate( 'U' ) - HOUR_IN_SECONDS,
'date_compare' => '>',
],
'ids'
);
if ( count( $failed_actions ) === $this->get_failure_rate_threshold() ) {
throw JobException::stopped_due_to_high_failure_rate( esc_html( $job->get_name() ) );
}
}
/**
* Get the batched job failure rate threshold (per hour).
*
* @return int
*/
protected function get_failure_rate_threshold() {
return absint( apply_filters( 'automatewoo/batched_job_monitor/failure_rate_threshold', 5 ) );
}
}
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