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<?php |
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namespace Scheduler\Job; |
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use DateTimeInterface; |
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use DateTime; |
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use Cron\CronExpression; |
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/** |
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* Class CronRule |
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* @package Scheduler\Job |
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* @author Aleh Hutnikau, <[email protected]> |
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*/ |
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class CronRule extends AbstractRule |
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{ |
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/** |
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* @param DateTimeInterface $from |
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* @param DateTimeInterface $to |
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* @param boolean $inc |
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* @throws |
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* @return DateTimeInterface[] |
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*/ |
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public function getRecurrences(DateTimeInterface $from, DateTimeInterface $to, $inc = true) |
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{ |
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$rRule = CronExpression::factory($this->getRrule()); |
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$result = []; |
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if ($from->getTimestamp() < $this->getStartDate()->getTimestamp()) { |
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$from = clone $this->getStartDate(); |
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} |
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if (($to->getTimestamp() + (int) $inc) > $this->getStartDate()->getTimestamp()) { |
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//make sure that $from is DateTime instance |
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$from = new DateTime('@'.$from->getTimestamp()); |
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$result = $this->getDates($rRule, $from, $to, $inc); |
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} |
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return $result; |
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} |
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/** |
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* @param CronExpression $rRule |
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* @param DateTime $from |
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* @param DateTimeInterface $to |
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* @param $inc |
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* @return DateTimeInterface[] |
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*/ |
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private function getDates(CronExpression $rRule, DateTime $from, DateTimeInterface $to, $inc) |
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{ |
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$result = []; |
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$toTimestamp = $to->getTimestamp() + (int) $inc; |
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do { |
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$nextRunDate = $rRule->getNextRunDate($from, 0, $inc); |
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$nextRunTimestamp = $nextRunDate->getTimestamp(); |
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if ($nextRunTimestamp < $toTimestamp && $from->getTimestamp() <= $nextRunTimestamp) { |
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$result[] = $nextRunDate; |
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} |
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$inc = false; |
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$from = $nextRunDate; |
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} while ($nextRunTimestamp < $toTimestamp); |
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return $result; |
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} |
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} |
hutnikau /
job-scheduler
