File includes/class-woocommerce-izettle-cron.php | WooCommerce iZettle 1.x Code Reference

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<?php
/**
 * The class that handles cron functionality.
 *
 * A class definition that defines functions regarding cron synchronization
 * between WooCommerce and iZettle.
 *
 * @link       https://www.onlineforce.net
 * @since      1.0.0
 *
 * @package    Woocommerce_Izettle
 * @subpackage Woocommerce_Izettle/includes
 */

namespace Onlineforce\Woocommerce_Izettle;

use \Onlineforce\Woocommerce_Izettle\Woocommerce_Izettle_Admin;
use \Onlineforce\Woocommerce_Izettle\Woocommerce_Izettle_Products;
use \Onlineforce\Izettle_Bindings\Izettle_Products;
use \Onlineforce\Izettle_Bindings\Izettle_Inventory;

/**
 * The class that handles cron functionality.
 *
 * A class definition that defines functions regarding cron synchronization
 * between WooCommerce and iZettle.
 *
 * @since      1.0.0
 * @package    Woocommerce_Izettle
 * @subpackage Woocommerce_Izettle/includes
 * @author     Onlineforce Sweden AB <support@onlineforce.net>
 */
class Woocommerce_Izettle_Cron {

    /**
     * Initialize our cron task with the WordPress scheduler.
     */
    public static function init_cron_task() {

        // Abort if task is already scheduled.
        if ( wp_next_scheduled( 'woocommerce_izettle_cron_task' ) ) {
            return;
        }

        // Schedule our task which defaults to hourly.
        wp_schedule_event(
            time(),
            'woocommerce_izettle_cron_interval',
            'woocommerce_izettle_cron_task'
        );

    }

    /**
     * Remove our cron task from the WordPress scheduler.
     */
    public static function remove_cron_task() {

        $timestamp = wp_next_scheduled( 'woocommerce_izettle_cron_task' );
        wp_unschedule_event( $timestamp, 'woocommerce_izettle_cron_task' );

    }

    /**
     * Reschedule our cron task in the WordPress scheduler.
     */
    public static function reschedule_cron_task() {

        self::remove_cron_task();
        self::init_cron_task();
        Woocommerce_Izettle_Admin::plugin_log( 'Rescheduled cron / sync task.' );

    }

    /**
     * Create our own cron interval for the WordPress scheduler.
     *
     * @param      array $intervals  The intervals that we add to.
     *
     * @return     array   Intervals after we have added our own.
     */
    public static function create_cron_interval( $intervals ) {

        // Default minutes to 60.
        $minutes = 60;

        // Check if user has set a custom interval in options
        // and use this instead.
        if ( null !== get_option( 'izettle_cron_interval' ) ) {
            $minutes = (int) get_option( 'izettle_cron_interval' ) * 60;
        }

        $hours = floor( $minutes * 60 / 3600 );

        $intervals['woocommerce_izettle_cron_interval'] = array(
            'interval' => $minutes * 60, // seconds.
            'display' => "WooCommerce iZettle cron interval ({$hours} hour(s))",
        );

        return (array) $intervals;

    }

    /**
     * Save cron task last run timestamp in database.
     */
    public static function update_cron_lastrun() {

        update_option( 'woocommerce_izettle_cron_lastrun', current_time( 'mysql' ) );

    }

    /**
     * Get cron task last run timestamp from database.
     *
     * @return     string  The time when the task wast last run.
     */
    public static function get_cron_lastrun() {

        return get_option( 'woocommerce_izettle_cron_lastrun' );

    }

    /**
     * Run the cron task.
     */
    public static function run_cron_task() {

        if ( ! get_option( 'izettle_cron_enabled' ) ) {
            return false;
        }

        $last_run = strtotime( self::get_cron_lastrun() );

        // If we have been triggered by ajax, ignore last run.
        if ( defined( 'DOING_AJAX' ) ) {
            $last_run = 0;
        }

        $next_run = $last_run + (60 * 60 * get_option( 'izettle_cron_interval' ));

        if ( 0 !== $last_run && current_time( 'timestamp' ) < $next_run ) {
            Woocommerce_Izettle_Admin::plugin_log( 'Aborting cron since it has been run within the interval.' );
            return false;
        }

        do_action( 'woocommerce_izettle_before_cron' );

        Woocommerce_Izettle_Admin::plugin_log( 'Starting cron task.' );

        $start_time = microtime( true );

        // Attempt to set time limit in PHP to avoid script timeout.
        set_time_limit( 30 );

        do_action( 'woocommerce_izettle_during_cron' );

        $time_elapsed_secs = round( microtime( true ) - $start_time, 2 );

        Woocommerce_Izettle_Admin::plugin_log( "Cron task has been run in {$time_elapsed_secs} seconds." );

        self::update_cron_lastrun();

        do_action( 'woocommerce_izettle_after_cron' );

    }

}

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