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<?php |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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class Powered_Cache_Cron { |
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|
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/** |
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* Placeholder constructer |
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*/ |
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public function __construct() { } |
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|
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|
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/** |
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* Setup actions and filters |
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* |
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* @since 1.0 |
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*/ |
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private function setup() { |
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add_action( 'powered_cache_purge_cache', array( $this, 'purge_cache' ) ); |
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add_action( 'init', array( $this, 'schedule_events' ) ); |
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add_filter( 'cron_schedules', array( $this, 'cron_schedules' ) ); |
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} |
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|
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/** |
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* Add custom cron schedule |
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* |
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* @param array $schedules |
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* |
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* @since 1.0 |
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* @return array $schedules |
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*/ |
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public function cron_schedules( $schedules ) { |
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$interval = powered_cache_get_option( 'cache_timeout' ) * 60; |
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|
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$schedules['powered_cache'] = array( |
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'interval' => apply_filters( 'powered_cache_cache_purge_interval', $interval ), |
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'display' => esc_html__( 'Powered Cache Purge Interval', 'powered-cache' ), |
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); |
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|
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return $schedules; |
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} |
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|
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/** |
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* Unschedule events |
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* |
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* @since 1.0 |
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*/ |
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public function unschedule_events() { |
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$timestamp = wp_next_scheduled( 'powered_cache_purge_cache' ); |
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|
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wp_unschedule_event( $timestamp, 'powered_cache_purge_cache' ); |
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} |
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|
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/** |
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* Setup cron jobs |
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* |
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* @since 1.0 |
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*/ |
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public function schedule_events() { |
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|
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$timestamp = wp_next_scheduled( 'powered_cache_purge_cache' ); |
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|
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// we don't need when page cache off |
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if ( true !== powered_cache_get_option( 'enable_page_caching' ) ) { |
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wp_unschedule_event( $timestamp, 'powered_cache_purge_cache' ); |
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|
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return; |
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} |
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|
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// Expire cache never |
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if ( intval( powered_cache_get_option( 'cache_timeout' ) ) === 0 ) { |
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wp_unschedule_event( $timestamp, 'powered_cache_purge_cache' ); |
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|
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return; |
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} |
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|
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if ( ! $timestamp ) { |
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wp_schedule_event( time(), 'powered_cache', 'powered_cache_purge_cache' ); |
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} |
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} |
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|
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/** |
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* Initiate a cache purge |
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* |
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* @since 1.0 |
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*/ |
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public function purge_cache() { |
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// Do nothing, caching is turned off |
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if ( true !== powered_cache_get_option( 'enable_page_caching' ) ) { |
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return; |
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} |
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|
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$lifespan = powered_cache_get_option( 'cache_timeout' ) * 60; |
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|
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$expired_files = powered_cache_get_exprired_files( powered_cache_site_cache_dir(), $lifespan ); |
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|
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foreach ( $expired_files as $file_path ) { |
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@unlink( $file_path ); |
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} |
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|
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do_action( 'powered_cache_expired_files_deleted' ); |
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} |
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|
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/** |
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* Return an instance of the current class, create one if it doesn't exist |
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* |
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* @since 1.0 |
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* @return object |
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*/ |
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public static function factory() { |
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|
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static $instance; |
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|
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if ( ! $instance ) { |
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$instance = new self(); |
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$instance->setup(); |
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} |
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|
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return $instance; |
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} |
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} |
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|
