<?php
declare(strict_types=1);
namespace Cron;
use DateTimeInterface;
use DateTimeZone;
/**
* Hours field. Allows: * , / -.
*/
class HoursField extends AbstractField
{
/**
* {@inheritdoc}
*/
protected $rangeStart = 0;
/**
* {@inheritdoc}
*/
protected $rangeEnd = 23;
/**
* {@inheritdoc}
*/
public function isSatisfiedBy(DateTimeInterface $date, $value): bool
{
return $this->isSatisfied((int) $date->format('H'), $value);
}
/**
* {@inheritdoc}
*
* @param \DateTime|\DateTimeImmutable $date
* @param string|null $parts
*/
public function increment(DateTimeInterface &$date, $invert = false, $parts = null): FieldInterface
{
// Change timezone to UTC temporarily. This will
// allow us to go back or forwards and hour even
// if DST will be changed between the hours.
if (null === $parts || '*' === $parts) {
$timezone = $date->getTimezone();
$date = $date->setTimezone(new DateTimeZone('UTC'));
$date = $date->modify(($invert ? '-' : '+') . '1 hour');
$date = $date->setTimezone($timezone);
$date = $date->setTime((int)$date->format('H'), $invert ? 59 : 0);
return $this;
}
$parts = false !== strpos($parts, ',') ? explode(',', $parts) : [$parts];
$hours = [];
foreach ($parts as $part) {
$hours = array_merge($hours, $this->getRangeForExpression($part, 23));
}
$current_hour = $date->format('H');
$position = $invert ? \count($hours) - 1 : 0;
$countHours = \count($hours);
if ($countHours > 1) {
for ($i = 0; $i < $countHours - 1; ++$i) {
if ((!$invert && $current_hour >= $hours[$i] && $current_hour < $hours[$i + 1]) ||
($invert && $current_hour > $hours[$i] && $current_hour <= $hours[$i + 1])) {
$position = $invert ? $i : $i + 1;
break;
}
}
}
$hour = (int) $hours[$position];
if ((!$invert && (int) $date->format('H') >= $hour) || ($invert && (int) $date->format('H') <= $hour)) {
$date = $date->modify(($invert ? '-' : '+') . '1 day');
$date = $date->setTime($invert ? 23 : 0, $invert ? 59 : 0);
} else {
$date = $date->setTime($hour, $invert ? 59 : 0);
}
return $this;
}
}