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<?php |
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/* |
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* This file is part of the Silverback API Components 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\ApiComponentsBundle\Helper\ComponentPosition; |
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use Silverback\ApiComponentsBundle\Entity\Core\ComponentPosition; |
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/** |
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* @author Daniel West <[email protected]> |
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*/ |
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class ComponentPositionSortValueHelper |
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{ |
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public function calculateSortValue(ComponentPosition $componentPosition, ?int $originalSortValue): void |
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{ |
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$sortCollection = $componentPosition->getSortCollection(); |
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$sortValueSet = null !== $componentPosition->sortValue; |
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if (!$sortCollection) { |
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if (!$sortValueSet) { |
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$componentPosition->setSortValue(0); |
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} |
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return; |
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} |
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if (null !== $originalSortValue) { |
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$moveTo = $componentPosition->sortValue; |
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if ($moveTo === $originalSortValue) { |
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return; |
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} |
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$positionIsSame = static function (ComponentPosition $posA, ComponentPosition $posB) { |
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return $posA->getId() === $posB->getId(); |
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}; |
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if ($moveTo > $originalSortValue) { |
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// value increased |
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foreach ($sortCollection as $existingComponentPosition) { |
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if ($positionIsSame($existingComponentPosition, $componentPosition)) { |
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continue; |
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} |
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if ( |
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$existingComponentPosition->sortValue > $originalSortValue && |
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$existingComponentPosition->sortValue <= $moveTo |
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) { |
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--$existingComponentPosition->sortValue; |
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} |
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} |
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return; |
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} |
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// value decreased |
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foreach ($sortCollection as $existingComponentPosition) { |
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if ($positionIsSame($existingComponentPosition, $componentPosition)) { |
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continue; |
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} |
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if ( |
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$existingComponentPosition->sortValue < $originalSortValue && |
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$existingComponentPosition->sortValue >= $moveTo |
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) { |
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++$existingComponentPosition->sortValue; |
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} |
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} |
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return; |
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} |
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if (!$sortValueSet) { |
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/** @var ComponentPosition|null $lastPosition */ |
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$lastPosition = $sortCollection->last(); |
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if ($lastPosition) { |
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$nextValue = $lastPosition->sortValue + 1; |
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$componentPosition->setSortValue($nextValue); |
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} else { |
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$componentPosition->setSortValue(0); |
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} |
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} |
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foreach ($sortCollection as $existingComponentPosition) { |
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if ($existingComponentPosition->sortValue >= $componentPosition->sortValue) { |
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++$existingComponentPosition->sortValue; |
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} |
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} |
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} |
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} |
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components-web-app /
api-components-bundle
