276 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			276 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| /**
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|  * General API functions for scheduling actions
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|  */
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| 
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| /**
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|  * Enqueue an action to run one time, as soon as possible
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|  *
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|  * @param string $hook The hook to trigger.
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|  * @param array  $args Arguments to pass when the hook triggers.
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|  * @param string $group The group to assign this job to.
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|  * @return int The action ID.
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|  */
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| function as_enqueue_async_action( $hook, $args = array(), $group = '' ) {
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| 	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
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| 		return 0;
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| 	}
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| 	return ActionScheduler::factory()->async( $hook, $args, $group );
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| }
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| 
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| /**
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|  * Schedule an action to run one time
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|  *
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|  * @param int $timestamp When the job will run.
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|  * @param string $hook The hook to trigger.
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|  * @param array $args Arguments to pass when the hook triggers.
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|  * @param string $group The group to assign this job to.
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|  *
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|  * @return int The action ID.
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|  */
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| function as_schedule_single_action( $timestamp, $hook, $args = array(), $group = '' ) {
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| 	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
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| 		return 0;
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| 	}
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| 	return ActionScheduler::factory()->single( $hook, $args, $timestamp, $group );
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| }
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| 
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| /**
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|  * Schedule a recurring action
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|  *
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|  * @param int $timestamp When the first instance of the job will run.
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|  * @param int $interval_in_seconds How long to wait between runs.
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|  * @param string $hook The hook to trigger.
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|  * @param array $args Arguments to pass when the hook triggers.
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|  * @param string $group The group to assign this job to.
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|  *
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|  * @return int The action ID.
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|  */
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| function as_schedule_recurring_action( $timestamp, $interval_in_seconds, $hook, $args = array(), $group = '' ) {
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| 	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
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| 		return 0;
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| 	}
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| 	return ActionScheduler::factory()->recurring( $hook, $args, $timestamp, $interval_in_seconds, $group );
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| }
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| 
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| /**
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|  * Schedule an action that recurs on a cron-like schedule.
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|  *
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|  * @param int $base_timestamp The first instance of the action will be scheduled
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|  *        to run at a time calculated after this timestamp matching the cron
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|  *        expression. This can be used to delay the first instance of the action.
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|  * @param string $schedule A cron-link schedule string
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|  * @see http://en.wikipedia.org/wiki/Cron
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|  *   *    *    *    *    *    *
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|  *   ┬    ┬    ┬    ┬    ┬    ┬
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|  *   |    |    |    |    |    |
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|  *   |    |    |    |    |    + year [optional]
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|  *   |    |    |    |    +----- day of week (0 - 7) (Sunday=0 or 7)
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|  *   |    |    |    +---------- month (1 - 12)
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|  *   |    |    +--------------- day of month (1 - 31)
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|  *   |    +-------------------- hour (0 - 23)
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|  *   +------------------------- min (0 - 59)
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|  * @param string $hook The hook to trigger.
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|  * @param array $args Arguments to pass when the hook triggers.
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|  * @param string $group The group to assign this job to.
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|  *
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|  * @return int The action ID.
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|  */
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| function as_schedule_cron_action( $timestamp, $schedule, $hook, $args = array(), $group = '' ) {
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| 	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
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| 		return 0;
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| 	}
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| 	return ActionScheduler::factory()->cron( $hook, $args, $timestamp, $schedule, $group );
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| }
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| 
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| /**
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|  * Cancel the next occurrence of a scheduled action.
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|  *
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|  * While only the next instance of a recurring or cron action is unscheduled by this method, that will also prevent
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|  * all future instances of that recurring or cron action from being run. Recurring and cron actions are scheduled in
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|  * a sequence instead of all being scheduled at once. Each successive occurrence of a recurring action is scheduled
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|  * only after the former action is run. If the next instance is never run, because it's unscheduled by this function,
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|  * then the following instance will never be scheduled (or exist), which is effectively the same as being unscheduled
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|  * by this method also.
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|  *
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|  * @param string $hook The hook that the job will trigger.
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|  * @param array $args Args that would have been passed to the job.
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|  * @param string $group The group the job is assigned to.
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|  *
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|  * @return string|null The scheduled action ID if a scheduled action was found, or null if no matching action found.
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|  */
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| function as_unschedule_action( $hook, $args = array(), $group = '' ) {
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| 	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
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| 		return 0;
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| 	}
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| 	$params = array();
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| 	if ( is_array($args) ) {
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| 		$params['args'] = $args;
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| 	}
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| 	if ( !empty($group) ) {
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| 		$params['group'] = $group;
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| 	}
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| 	$job_id = ActionScheduler::store()->find_action( $hook, $params );
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| 
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| 	if ( ! empty( $job_id ) ) {
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| 		ActionScheduler::store()->cancel_action( $job_id );
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| 	}
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| 
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| 	return $job_id;
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| }
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| 
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| /**
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|  * Cancel all occurrences of a scheduled action.
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|  *
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|  * @param string $hook The hook that the job will trigger.
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|  * @param array $args Args that would have been passed to the job.
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|  * @param string $group The group the job is assigned to.
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|  */
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| function as_unschedule_all_actions( $hook, $args = array(), $group = '' ) {
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| 	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
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| 		return;
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| 	}
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| 	if ( empty( $args ) ) {
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| 		if ( ! empty( $hook ) && empty( $group ) ) {
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| 			ActionScheduler_Store::instance()->cancel_actions_by_hook( $hook );
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| 			return;
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| 		}
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| 		if ( ! empty( $group ) && empty( $hook ) ) {
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| 			ActionScheduler_Store::instance()->cancel_actions_by_group( $group );
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| 			return;
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| 		}
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| 	}
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| 	do {
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| 		$unscheduled_action = as_unschedule_action( $hook, $args, $group );
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| 	} while ( ! empty( $unscheduled_action ) );
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| }
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| 
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| /**
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|  * Check if there is an existing action in the queue with a given hook, args and group combination.
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|  *
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|  * An action in the queue could be pending, in-progress or async. If the is pending for a time in
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|  * future, its scheduled date will be returned as a timestamp. If it is currently being run, or an
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|  * async action sitting in the queue waiting to be processed, in which case boolean true will be
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|  * returned. Or there may be no async, in-progress or pending action for this hook, in which case,
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|  * boolean false will be the return value.
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|  *
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|  * @param string $hook
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|  * @param array $args
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|  * @param string $group
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|  *
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|  * @return int|bool The timestamp for the next occurrence of a pending scheduled action, true for an async or in-progress action or false if there is no matching action.
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|  */
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| function as_next_scheduled_action( $hook, $args = NULL, $group = '' ) {
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| 	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
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| 		return false;
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| 	}
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| 	$params = array();
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| 	if ( is_array($args) ) {
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| 		$params['args'] = $args;
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| 	}
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| 	if ( !empty($group) ) {
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| 		$params['group'] = $group;
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| 	}
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| 
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| 	$params['status'] = ActionScheduler_Store::STATUS_RUNNING;
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| 	$job_id = ActionScheduler::store()->find_action( $hook, $params );
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| 	if ( ! empty( $job_id ) ) {
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| 		return true;
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| 	}
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| 
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| 	$params['status'] = ActionScheduler_Store::STATUS_PENDING;
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| 	$job_id = ActionScheduler::store()->find_action( $hook, $params );
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| 	if ( empty($job_id) ) {
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| 		return false;
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| 	}
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| 	$job = ActionScheduler::store()->fetch_action( $job_id );
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| 	$scheduled_date = $job->get_schedule()->get_date();
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| 	if ( $scheduled_date ) {
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| 		return (int) $scheduled_date->format( 'U' );
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| 	} elseif ( NULL === $scheduled_date ) { // pending async action with NullSchedule
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| 		return true;
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| 	}
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| 	return false;
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| }
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| 
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| /**
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|  * Find scheduled actions
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|  *
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|  * @param array $args Possible arguments, with their default values:
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|  *        'hook' => '' - the name of the action that will be triggered
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|  *        'args' => NULL - the args array that will be passed with the action
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|  *        '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.
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|  *        'date_compare' => '<=' - operator for testing "date". accepted values are '!=', '>', '>=', '<', '<=', '='
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|  *        '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.
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|  *        'modified_compare' => '<=' - operator for testing "modified". accepted values are '!=', '>', '>=', '<', '<=', '='
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|  *        'group' => '' - the group the action belongs to
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|  *        'status' => '' - ActionScheduler_Store::STATUS_COMPLETE or ActionScheduler_Store::STATUS_PENDING
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|  *        'claimed' => NULL - TRUE to find claimed actions, FALSE to find unclaimed actions, a string to find a specific claim ID
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|  *        'per_page' => 5 - Number of results to return
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|  *        'offset' => 0
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|  *        'orderby' => 'date' - accepted values are 'hook', 'group', 'modified', 'date' or 'none'
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|  *        'order' => 'ASC'
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|  *
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|  * @param string $return_format OBJECT, ARRAY_A, or ids.
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|  *
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|  * @return array
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|  */
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| function as_get_scheduled_actions( $args = array(), $return_format = OBJECT ) {
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| 	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
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| 		return array();
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| 	}
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| 	$store = ActionScheduler::store();
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| 	foreach ( array('date', 'modified') as $key ) {
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| 		if ( isset($args[$key]) ) {
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| 			$args[$key] = as_get_datetime_object($args[$key]);
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| 		}
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| 	}
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| 	$ids = $store->query_actions( $args );
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| 
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| 	if ( $return_format == 'ids' || $return_format == 'int' ) {
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| 		return $ids;
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| 	}
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| 
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| 	$actions = array();
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| 	foreach ( $ids as $action_id ) {
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| 		$actions[$action_id] = $store->fetch_action( $action_id );
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| 	}
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| 
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| 	if ( $return_format == ARRAY_A ) {
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| 		foreach ( $actions as $action_id => $action_object ) {
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| 			$actions[$action_id] = get_object_vars($action_object);
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| 		}
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| 	}
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| 
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| 	return $actions;
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| }
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| 
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| /**
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|  * Helper function to create an instance of DateTime based on a given
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|  * string and timezone. By default, will return the current date/time
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|  * in the UTC timezone.
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|  *
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|  * Needed because new DateTime() called without an explicit timezone
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|  * will create a date/time in PHP's timezone, but we need to have
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|  * assurance that a date/time uses the right timezone (which we almost
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|  * always want to be UTC), which means we need to always include the
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|  * timezone when instantiating datetimes rather than leaving it up to
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|  * the PHP default.
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|  *
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|  * @param mixed $date_string A date/time string. Valid formats are explained in http://php.net/manual/en/datetime.formats.php.
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|  * @param string $timezone A timezone identifier, like UTC or Europe/Lisbon. The list of valid identifiers is available http://php.net/manual/en/timezones.php.
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|  *
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|  * @return ActionScheduler_DateTime
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|  */
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| function as_get_datetime_object( $date_string = null, $timezone = 'UTC' ) {
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| 	if ( is_object( $date_string ) && $date_string instanceof DateTime ) {
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| 		$date = new ActionScheduler_DateTime( $date_string->format( 'Y-m-d H:i:s' ), new DateTimeZone( $timezone ) );
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| 	} elseif ( is_numeric( $date_string ) ) {
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| 		$date = new ActionScheduler_DateTime( '@' . $date_string, new DateTimeZone( $timezone ) );
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| 	} else {
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| 		$date = new ActionScheduler_DateTime( $date_string, new DateTimeZone( $timezone ) );
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| 	}
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| 	return $date;
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| }
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