82 lines
2.5 KiB
PHP
82 lines
2.5 KiB
PHP
<?php
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/**
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* Class ActionScheduler_IntervalSchedule
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*/
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class ActionScheduler_IntervalSchedule extends ActionScheduler_Abstract_RecurringSchedule implements ActionScheduler_Schedule {
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/**
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* Deprecated property @see $this->__wakeup() for details.
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**/
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private $start_timestamp = NULL;
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/**
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* Deprecated property @see $this->__wakeup() for details.
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**/
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private $interval_in_seconds = NULL;
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/**
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* Calculate when this schedule should start after a given date & time using
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* the number of seconds between recurrences.
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*
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* @param DateTime $after
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* @return DateTime
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*/
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protected function calculate_next( DateTime $after ) {
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$after->modify( '+' . (int) $this->get_recurrence() . ' seconds' );
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return $after;
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}
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/**
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* @return int
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*/
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public function interval_in_seconds() {
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_deprecated_function( __METHOD__, '3.0.0', '(int)ActionScheduler_Abstract_RecurringSchedule::get_recurrence()' );
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return (int) $this->get_recurrence();
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}
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/**
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* Serialize interval schedules with data required prior to AS 3.0.0
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*
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* Prior to Action Scheduler 3.0.0, reccuring schedules used different property names to
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* refer to equivalent data. For example, ActionScheduler_IntervalSchedule::start_timestamp
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* was the same as ActionScheduler_SimpleSchedule::timestamp. Action Scheduler 3.0.0
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* aligned properties and property names for better inheritance. To guard against the
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* possibility of infinite loops if downgrading to Action Scheduler < 3.0.0, we need to
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* also store the data with the old property names so if it's unserialized in AS < 3.0,
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* the schedule doesn't end up with a null/false/0 recurrence.
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*
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* @return array
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*/
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public function __sleep() {
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$sleep_params = parent::__sleep();
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$this->start_timestamp = $this->scheduled_timestamp;
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$this->interval_in_seconds = $this->recurrence;
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return array_merge( $sleep_params, array(
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'start_timestamp',
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'interval_in_seconds'
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) );
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}
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/**
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* Unserialize interval schedules serialized/stored prior to AS 3.0.0
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*
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* For more background, @see ActionScheduler_Abstract_RecurringSchedule::__wakeup().
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*/
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public function __wakeup() {
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if ( is_null( $this->scheduled_timestamp ) && ! is_null( $this->start_timestamp ) ) {
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$this->scheduled_timestamp = $this->start_timestamp;
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unset( $this->start_timestamp );
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}
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if ( is_null( $this->recurrence ) && ! is_null( $this->interval_in_seconds ) ) {
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$this->recurrence = $this->interval_in_seconds;
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unset( $this->interval_in_seconds );
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}
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parent::__wakeup();
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}
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}
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