woothemes/woocommerce

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includes/queue/class-wc-action-queue.php

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<?php
/**
 * Action Queue
 *
 * @version 3.5.0
 * @package WooCommerce\Interface
 */

if ( ! defined( 'ABSPATH' ) ) {
    exit; // Exit if accessed directly.
}

/**
 * WC Action Queue
 *
 * A job queue using WordPress actions.
 *
 * @version 3.5.0
 */
class WC_Action_Queue implements WC_Queue_Interface {

    /**
     * Enqueue an action to run one time, as soon as possible
     *
     * @param string $hook The hook to trigger.
     * @param array  $args Arguments to pass when the hook triggers.
     * @param string $group The group to assign this job to.
     * @return string The action ID.
     */
    public function add( $hook, $args = array(), $group = '' ) {
        return $this->schedule_single( time(), $hook, $args, $group );
    }

    /**
     * Schedule an action to run once at some time in the future
     *
     * @param int    $timestamp When the job will run.
     * @param string $hook The hook to trigger.
     * @param array  $args Arguments to pass when the hook triggers.
     * @param string $group The group to assign this job to.
     * @return string The action ID.
     */
    public function schedule_single( $timestamp, $hook, $args = array(), $group = '' ) {
        return as_schedule_single_action( $timestamp, $hook, $args, $group );
    }

    /**
     * Schedule a recurring action
     *
     * @param int    $timestamp When the first instance of the job will run.
     * @param int    $interval_in_seconds How long to wait between runs.
     * @param string $hook The hook to trigger.
     * @param array  $args Arguments to pass when the hook triggers.
     * @param string $group The group to assign this job to.
     * @return string The action ID.
     */
    public function schedule_recurring( $timestamp, $interval_in_seconds, $hook, $args = array(), $group = '' ) {
        return as_schedule_recurring_action( $timestamp, $interval_in_seconds, $hook, $args, $group );
    }

    /**
     * Schedule an action that recurs on a cron-like schedule.
     *
     * @param int    $timestamp The schedule will start on or after this time.
     * @param string $cron_schedule A cron-link schedule string.
     * @see http://en.wikipedia.org/wiki/Cron
     *   *    *    *    *    *    *
     *   ┬    ┬    ┬    ┬    ┬    ┬
     *   |    |    |    |    |    |
     *   |    |    |    |    |    + year [optional]
     *   |    |    |    |    +----- day of week (0 - 7) (Sunday=0 or 7)
     *   |    |    |    +---------- month (1 - 12)
     *   |    |    +--------------- day of month (1 - 31)
     *   |    +-------------------- hour (0 - 23)
     *   +------------------------- min (0 - 59)
     * @param string $hook The hook to trigger.
     * @param array  $args Arguments to pass when the hook triggers.
     * @param string $group The group to assign this job to.
     * @return string The action ID
     */
    public function schedule_cron( $timestamp, $cron_schedule, $hook, $args = array(), $group = '' ) {
        return as_schedule_cron_action( $timestamp, $cron_schedule, $hook, $args, $group );
    }

    /**
     * Dequeue the next scheduled instance of an action with a matching hook (and optionally matching args and group).
     *
     * Any recurring actions with a matching hook should also be cancelled, not just the next scheduled action.
     *
     * While technically only the next instance of a recurring or cron action is unscheduled by this method, that will also
     * prevent all future instances of that recurring or cron action from being run. Recurring and cron actions are scheduled
     * in a sequence instead of all being scheduled at once. Each successive occurrence of a recurring action is scheduled
     * only after the former action is run. As the next instance is never run, because it's unscheduled by this function,
     * then the following instance will never be scheduled (or exist), which is effectively the same as being unscheduled
     * by this method also.
     *
     * @param string $hook The hook that the job will trigger.
     * @param array  $args Args that would have been passed to the job.
     * @param string $group The group the job is assigned to (if any).
     */
    public function cancel( $hook, $args = array(), $group = '' ) {
        as_unschedule_action( $hook, $args, $group );
    }

    /**
     * Dequeue all actions with a matching hook (and optionally matching args and group) so no matching actions are ever run.
     *
     * @param string $hook The hook that the job will trigger.
     * @param array  $args Args that would have been passed to the job.
     * @param string $group The group the job is assigned to (if any).
     */
    public function cancel_all( $hook, $args = array(), $group = '' ) {
        as_unschedule_all_actions( $hook, $args, $group );
    }

    /**
     * Get the date and time for the next scheduled occurence of an action with a given hook
     * (an optionally that matches certain args and group), if any.
     *
     * @param string $hook The hook that the job will trigger.
     * @param array  $args Filter to a hook with matching args that will be passed to the job when it runs.
     * @param string $group Filter to only actions assigned to a specific group.
     * @return WC_DateTime|null The date and time for the next occurrence, or null if there is no pending, scheduled action for the given hook.
     */
    public function get_next( $hook, $args = null, $group = '' ) {

        $next_timestamp = as_next_scheduled_action( $hook, $args, $group );

        if ( is_numeric( $next_timestamp ) ) {
            return new WC_DateTime( "@{$next_timestamp}", new DateTimeZone( 'UTC' ) );
        }

        return null;
    }

    /**
     * Find scheduled actions
     *
     * @param array  $args Possible arguments, with their default values:
     *        'hook' => '' - the name of the action that will be triggered
     *        'args' => null - the args array that will be passed with the action
     *        'date' => null - the scheduled date of the action. Expects a DateTime object, a unix timestamp, or a string that can parsed with strtotime(). Used in UTC timezone.
     *        'date_compare' => '<=' - operator for testing "date". accepted values are '!=', '>', '>=', '<', '<=', '='
     *        'modified' => null - the date the action was last updated. Expects a DateTime object, a unix timestamp, or a string that can parsed with strtotime(). Used in UTC timezone.
     *        'modified_compare' => '<=' - operator for testing "modified". accepted values are '!=', '>', '>=', '<', '<=', '='
     *        'group' => '' - the group the action belongs to
     *        'status' => '' - ActionScheduler_Store::STATUS_COMPLETE or ActionScheduler_Store::STATUS_PENDING
     *        'claimed' => null - TRUE to find claimed actions, FALSE to find unclaimed actions, a string to find a specific claim ID
     *        'per_page' => 5 - Number of results to return
     *        'offset' => 0
     *        'orderby' => 'date' - accepted values are 'hook', 'group', 'modified', or 'date'
     *        'order' => 'ASC'.
     *
     * @param string $return_format OBJECT, ARRAY_A, or ids.
     * @return array
     */
    public function search( $args = array(), $return_format = OBJECT ) {
        return as_get_scheduled_actions( $args, $return_format );
    }
}