81 lines
2.3 KiB
PHP
81 lines
2.3 KiB
PHP
<?php
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/**
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* Class ActionScheduler_SimpleSchedule
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*/
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class ActionScheduler_SimpleSchedule extends ActionScheduler_Abstract_Schedule {
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/**
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* Deprecated property @see $this->__wakeup() for details.
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*
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* @var null|DateTime
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*/
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private $timestamp = 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 Timestamp.
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*
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* @return DateTime|null
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*/
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public function calculate_next( DateTime $after ) {
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return null;
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}
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/**
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* Schedule is not recurring.
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*
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* @return bool
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*/
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public function is_recurring() {
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return false;
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}
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/**
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* Serialize schedule with data required prior to AS 3.0.0
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*
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* Prior to Action Scheduler 3.0.0, schedules used different property names to refer
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* 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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* scheduled date for single actions always being seen as "now" if downgrading to
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* Action Scheduler < 3.0.0, we need to also store the data with the old property names
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* so if it's unserialized in AS < 3.0, the schedule doesn't end up with a null 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->timestamp = $this->scheduled_timestamp;
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return array_merge(
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$sleep_params,
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array(
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'timestamp',
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)
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);
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}
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/**
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* Unserialize recurring schedules serialized/stored prior to AS 3.0.0
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*
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* Prior to Action Scheduler 3.0.0, schedules used different property names to refer
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* 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 maintain backward
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* compatibility with schedules serialized and stored prior to 3.0, we need to correctly
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* map the old property names with matching visibility.
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*/
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public function __wakeup() {
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if ( is_null( $this->scheduled_timestamp ) && ! is_null( $this->timestamp ) ) {
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$this->scheduled_timestamp = $this->timestamp;
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unset( $this->timestamp );
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}
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parent::__wakeup();
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}
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}
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