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<?php
/**
* Class Housekeeper
*
* Housekeeping duties to clean old minification files
*
* @package Hummingbird\Core\Modules\Minify
*/
namespace Hummingbird\Core\Modules\Minify;
use Hummingbird\Core\Settings;
use Hummingbird\Core\Utils;
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class Housekeeper
*/
class Housekeeper {
/**
* Init method.
*/
public function init() {
if ( ! wp_next_scheduled( 'wphb_minify_clear_files' ) ) {
wp_schedule_event( time(), 'daily', 'wphb_minify_clear_files' );
}
add_action( 'wphb_minify_clear_files', array( $this, 'clear_expired_groups' ) );
}
/**
* Clear all minified and expired groups
*
* Sometimes minification module will not clear them by itself because they
* belong to a plugin or theme that is deactivated so minification won't get them anymore.
* This cron job will clear the expired files once a day
*/
public static function clear_expired_groups() {
$maybe_clear_page_cache = false;
$groups = Minify_Group::get_minify_groups();
foreach ( $groups as $group ) {
$instance = Minify_Group::get_instance_by_post_id( $group->ID );
if ( ( $instance instanceof Minify_Group ) && $instance->is_expired() && $instance->file_id ) {
$instance->delete_file();
if ( 'wphb_minify_group' === get_post_type( $instance->file_id ) ) {
Utils::get_module( 'minify' )->log( 'In Housekeeper Deleting the minify group file id : ' . $instance->file_id );
wp_delete_post( $instance->file_id, true );
}
$maybe_clear_page_cache = true;
}
}
if ( $maybe_clear_page_cache ) {
self::maybe_clear_page_cache();
}
}
/**
* When clearing expired assets, it is important that the page cache is also purged,
* otherwise that leads to various errors on the site.
*
* @since 2.0.0
*/
private static function maybe_clear_page_cache() {
if ( Settings::get_setting( 'enabled', 'page_cache' ) ) {
Utils::get_module( 'page_cache' )->clear_cache();
}
}
}