diff options
Diffstat (limited to 'vendor/dragonmantank/cron-expression/src/Cron/HoursField.php')
| -rw-r--r-- | vendor/dragonmantank/cron-expression/src/Cron/HoursField.php | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/vendor/dragonmantank/cron-expression/src/Cron/HoursField.php b/vendor/dragonmantank/cron-expression/src/Cron/HoursField.php new file mode 100644 index 0000000..413d138 --- /dev/null +++ b/vendor/dragonmantank/cron-expression/src/Cron/HoursField.php @@ -0,0 +1,212 @@ +<?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; + + /** + * @var array|null Transitions returned by DateTimeZone::getTransitions() + */ + protected $transitions = []; + + /** + * @var int|null Timestamp of the start of the transitions range + */ + protected $transitionsStart = null; + + /** + * @var int|null Timestamp of the end of the transitions range + */ + protected $transitionsEnd = null; + + /** + * {@inheritdoc} + */ + public function isSatisfiedBy(DateTimeInterface $date, $value, bool $invert): bool + { + $checkValue = (int) $date->format('H'); + $retval = $this->isSatisfied($checkValue, $value); + if ($retval) { + return $retval; + } + + // Are we on the edge of a transition + $lastTransition = $this->getPastTransition($date); + if (($lastTransition !== null) && ($lastTransition["ts"] > ((int) $date->format('U') - 3600))) { + $dtLastOffset = clone $date; + $this->timezoneSafeModify($dtLastOffset, "-1 hour"); + $lastOffset = $dtLastOffset->getOffset(); + + $dtNextOffset = clone $date; + $this->timezoneSafeModify($dtNextOffset, "+1 hour"); + $nextOffset = $dtNextOffset->getOffset(); + + $offsetChange = $nextOffset - $lastOffset; + if ($offsetChange >= 3600) { + $checkValue -= 1; + return $this->isSatisfied($checkValue, $value); + } + if ((! $invert) && ($offsetChange <= -3600)) { + $checkValue += 1; + return $this->isSatisfied($checkValue, $value); + } + } + + return $retval; + } + + public function getPastTransition(DateTimeInterface $date): ?array + { + $currentTimestamp = (int) $date->format('U'); + if ( + ($this->transitions === null) + || ($this->transitionsStart < ($currentTimestamp + 86400)) + || ($this->transitionsEnd > ($currentTimestamp - 86400)) + ) { + // We start a day before current time so we can differentiate between the first transition entry + // and a change that happens now + $dtLimitStart = clone $date; + $dtLimitStart = $dtLimitStart->modify("-12 months"); + $dtLimitEnd = clone $date; + $dtLimitEnd = $dtLimitEnd->modify('+12 months'); + + $this->transitions = $date->getTimezone()->getTransitions( + $dtLimitStart->getTimestamp(), + $dtLimitEnd->getTimestamp() + ); + if (empty($this->transitions)) { + return null; + } + $this->transitionsStart = $dtLimitStart->getTimestamp(); + $this->transitionsEnd = $dtLimitEnd->getTimestamp(); + } + + $nextTransition = null; + foreach ($this->transitions as $transition) { + if ($transition["ts"] > $currentTimestamp) { + continue; + } + + if (($nextTransition !== null) && ($transition["ts"] < $nextTransition["ts"])) { + continue; + } + + $nextTransition = $transition; + } + + return ($nextTransition ?? null); + } + + /** + * {@inheritdoc} + * + * @param string|null $parts + */ + public function increment(DateTimeInterface &$date, $invert = false, $parts = null): FieldInterface + { + $originalTimestamp = (int) $date->format('U'); + + // 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 || '*' === $parts) { + if ($invert) { + $date = $date->sub(new \DateInterval('PT1H')); + } else { + $date = $date->add(new \DateInterval('PT1H')); + } + + $date = $this->setTimeHour($date, $invert, $originalTimestamp); + return $this; + } + + $parts = false !== strpos($parts, ',') ? explode(',', $parts) : [$parts]; + $hours = []; + foreach ($parts as $part) { + $hours = array_merge($hours, $this->getRangeForExpression($part, 23)); + } + + $current_hour = (int) $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; + } + } + } + + $target = (int) $hours[$position]; + $originalHour = (int)$date->format('H'); + + $originalDay = (int)$date->format('d'); + $previousOffset = $date->getOffset(); + + if (! $invert) { + if ($originalHour >= $target) { + $distance = 24 - $originalHour; + $date = $this->timezoneSafeModify($date, "+{$distance} hours"); + + $actualDay = (int)$date->format('d'); + $actualHour = (int)$date->format('H'); + if (($actualDay !== ($originalDay + 1)) && ($actualHour !== 0)) { + $offsetChange = ($previousOffset - $date->getOffset()); + $date = $this->timezoneSafeModify($date, "+{$offsetChange} seconds"); + } + + $originalHour = (int)$date->format('H'); + } + + $distance = $target - $originalHour; + $date = $this->timezoneSafeModify($date, "+{$distance} hours"); + } else { + if ($originalHour <= $target) { + $distance = ($originalHour + 1); + $date = $this->timezoneSafeModify($date, "-" . $distance . " hours"); + + $actualDay = (int)$date->format('d'); + $actualHour = (int)$date->format('H'); + if (($actualDay !== ($originalDay - 1)) && ($actualHour !== 23)) { + $offsetChange = ($previousOffset - $date->getOffset()); + $date = $this->timezoneSafeModify($date, "+{$offsetChange} seconds"); + } + + $originalHour = (int)$date->format('H'); + } + + $distance = $originalHour - $target; + $date = $this->timezoneSafeModify($date, "-{$distance} hours"); + } + + $date = $this->setTimeHour($date, $invert, $originalTimestamp); + + $actualHour = (int)$date->format('H'); + if ($invert && ($actualHour === ($target - 1) || (($actualHour === 23) && ($target === 0)))) { + $date = $this->timezoneSafeModify($date, "+1 hour"); + } + + return $this; + } +} |