File modules/cache-rebuild.php

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<?php

namespace SIW\Modules;

use SIW\i18n;
use SIW\Util;

/**
 * Verversen van de cache
 * 
 * @copyright 2019 SIW Internationale Vrijwilligersprojecten
 * @since     3.0.0
 */
class Cache_Rebuild {

    /**
     * Tijdstip cache opnieuw opbouwen
     *
     * @var string
     */
    const TS_CACHE_REBUILD = '05:00';

    /**
     * Hooknaam
     * 
     * @var string
     */
    const HOOK = 'siw_rebuild_cache';

    /**
     * Init
     */
    public static function init() {
        if ( ! defined( 'WP_ROCKET_VERSION' ) ) {
            return false;
        }
        $self = new self();
        add_action( 'siw_update_plugin', [ $self, 'schedule_cache_rebuild' ] );
        add_action( self::HOOK, [ $self, 'rebuild_cache' ] );
        add_filter( 'rocket_sitemap_preload_list', [ $self, 'set_sitemaps_for_preload' ] );
    }

    /**
     * Voegt een scheduled event toe
     */
    public function schedule_cache_rebuild() {
        /* Cache rebuild schedulen */
        $cache_rebuild_ts = strtotime( 'tomorrow ' . self::TS_CACHE_REBUILD );
        $cache_rebuild_ts_gmt = Util::convert_timestamp_to_gmt( $cache_rebuild_ts );
        if ( wp_next_scheduled( self::HOOK ) ) {
            wp_clear_scheduled_hook( self::HOOK );
        }
        wp_schedule_event( $cache_rebuild_ts_gmt, 'daily', self::HOOK );
    }

    /**
     * Leegt de cache en start de preload
     */
    public function rebuild_cache() {
        rocket_clean_domain();
        rocket_clean_minify();
        rocket_clean_cache_busting();
        run_rocket_sitemap_preload();
    }

    /**
     * Voegt alle sitemaps toe aan preload
     *
     * @param array $sitemaps
     */
    public function set_sitemaps_for_preload( $sitemaps ) {
        if ( ! class_exists( '\The_SEO_Framework\Bridges\Sitemap' ) ) {
            return $sitemaps;
        } 
        if ( get_rocket_option( 'tsf_xml_sitemap', false ) ) {
            $languages = i18n::get_active_languages();
            $sitemap_url = \The_SEO_Framework\Bridges\Sitemap::get_instance()->get_expected_sitemap_endpoint_url();
            foreach ( $languages as $language ) {
                $sitemaps[] = i18n::get_translated_permalink( $sitemap_url, $language['code'] );
            }
        }
        return $sitemaps;
    }
}

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