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<?php |
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declare(strict_types = 1); |
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namespace Hop\Ranges; |
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final class StdRangesCalculator implements RangesCalculator |
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{ |
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/** |
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* @inheritdoc |
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*/ |
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public function sum(Range ...$ranges): array |
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{ |
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if (\count($ranges) === 0) { |
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return []; |
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} |
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$this->sortRanges($ranges); |
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return $this->mergeRanges($ranges); |
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} |
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/** |
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* @param Range[] $ranges |
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*/ |
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private function sortRanges(array &$ranges): void |
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{ |
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\usort($ranges, function (Range $range1, Range $range2): int { |
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return $range1->dateFrom() <=> $range2->dateFrom(); |
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}); |
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} |
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/** |
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* @inheritdoc |
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* @throws \Exception |
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*/ |
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public function sub(Range $minuend, Range ...$subtrahends): array |
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{ |
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$ranges = [$minuend]; |
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foreach ($subtrahends as $subtrahend) { |
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$ranges = $this->removeRangeFromRanges($subtrahend, $ranges); |
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} |
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return $ranges; |
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} |
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/** |
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* @param Range $range |
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* @param Range[] $ranges |
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* @return Range[] |
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* @throws \Exception |
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*/ |
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private function removeRangeFromRanges(Range $range, array $ranges): array |
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{ |
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$resultRanges = []; |
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$interval = new \DateInterval('PT1S'); |
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foreach ($ranges as $minuend) { |
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if ($range->dateFrom() < $minuend->dateFrom() && $range->dateTo() > $minuend->dateTo()) { |
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continue; |
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} |
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if ($minuend->dateTo() < $range->dateFrom() || $minuend->dateFrom() > $range->dateTo()) { |
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$resultRanges[] = $minuend; |
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continue; |
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} |
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if ($range->dateFrom() > $minuend->dateFrom()) { |
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$dateTo = new \DateTime($range->dateFrom()->format('Y-m-d H:i:s')); |
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$dateTo->sub($interval); |
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$resultRanges[] = new Range($minuend->dateFrom(), $dateTo); |
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3 |
View Code Duplication |
if ($range->dateTo() < $minuend->dateTo()) { |
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$dateFrom = new \DateTime($range->dateTo()->format('Y-m-d H:i:s')); |
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$dateFrom->add($interval); |
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$resultRanges[] = new Range($dateFrom, $minuend->dateTo()); |
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} |
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continue; |
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} |
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View Code Duplication |
if ($range->dateTo() < $minuend->dateTo()) { |
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$dateFrom = new \DateTime($range->dateTo()->format('Y-m-d H:i:s')); |
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$dateFrom->add($interval); |
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$resultRanges[] = new Range($dateFrom, $minuend->dateTo()); |
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} |
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} |
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return $resultRanges; |
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} |
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/** |
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* @param Range[] $ranges |
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* @return array |
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*/ |
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private function mergeRanges(array $ranges): array |
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{ |
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$result = []; |
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$startRange = null; |
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$endRange = null; |
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foreach ($ranges as $key => $range) { |
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$nextRange = @$ranges[$key + 1]; |
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if ($startRange === null) { |
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$startRange = $range->dateFrom(); |
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} |
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if ($endRange === null || $range->dateTo() > $endRange) { |
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$endRange = $range->dateTo(); |
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} |
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if ($nextRange == null || $nextRange->dateFrom() > $range->dateTo()) { |
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$result[] = new Range($startRange, $endRange); |
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$startRange = null; |
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$endRange = null; |
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} |
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} |
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return $result; |
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} |
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} |
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chmielewskitomasz /
ranges
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.