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<?php |
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/* |
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* This file is part of the Silverback API Component Bundle Project |
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* |
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* (c) Daniel West <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Silverback\ApiComponentBundle\Entity\Utility; |
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use Doctrine\Common\Collections\Collection; |
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use Doctrine\ORM\Mapping as ORM; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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use Symfony\Component\PropertyAccess\PropertyAccessor; |
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/** |
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* @author Daniel West <[email protected]> |
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*/ |
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trait SortableTrait |
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{ |
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private ?PropertyAccessor $propertyAccessor; |
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/** @ORM\Column(type="integer") */ |
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public ?int $sort = 0; |
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final public function calculateSort(?bool $sortLast = null, ?Collection $sortCollection = null): int |
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{ |
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/** @var Collection|SortableInterface[]|null $collection */ |
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$collection = $sortCollection ?: $this->getSortCollection(); |
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if (null === $collection || null === $sortLast) { |
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return 0; |
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} |
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if ($sortLast) { |
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return $this->getLastSortValue($collection); |
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} |
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return $this->getFirstSortValue($collection); |
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} |
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private function getLastSortValue(Collection $collection): int |
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{ |
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$lastItem = $collection->last(); |
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return ($sortValue = $this->getSortValue($lastItem)) ? ($sortValue + 1) : 0; |
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} |
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private function getFirstSortValue(Collection $collection): int |
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{ |
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$firstItem = $collection->first(); |
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return ($sortValue = $this->getSortValue($firstItem)) ? ($sortValue - 1) : 0; |
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} |
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private function getSortValue($object) |
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{ |
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if (!$this->propertyAccessor) { |
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$this->propertyAccessor = PropertyAccess::createPropertyAccessor(); |
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} |
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return $this->propertyAccessor->getValue($object, 'sort'); |
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} |
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abstract public function getSortCollection(): ?Collection; |
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} |
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components-web-app /
api-components-bundle
