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<?php |
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/* |
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* This file is part of the Lug package. |
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* |
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* (c) Eric GELOEN <[email protected]> |
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* |
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* For the full copyright and license information, please read the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Lug\Bundle\GridBundle\Form\DataTransformer; |
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use Lug\Component\Grid\Sort\SorterInterface; |
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use Symfony\Component\Form\DataTransformerInterface; |
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use Symfony\Component\Form\Exception\TransformationFailedException; |
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/** |
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* @author GeLo <[email protected]> |
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*/ |
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class GridSortingTransformer implements DataTransformerInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function transform($value) |
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{ |
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if ($value === null) { |
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return; |
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} |
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if (!is_array($value)) { |
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throw new TransformationFailedException(sprintf( |
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'The grid sorting value should be an array, got "%s".', |
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is_object($value) ? get_class($value) : gettype($value) |
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)); |
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} |
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$sorting = []; |
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foreach ($value as $key => $order) { |
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if (!in_array($order, [SorterInterface::ASC, SorterInterface::DESC], true)) { |
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throw new TransformationFailedException(sprintf( |
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'The grid sorting order should be "ASC" or "DESC", got "%s".', |
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$order |
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)); |
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} |
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if ($order === SorterInterface::DESC) { |
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$key = '-'.$key; |
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} |
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$sorting[] = $key; |
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} |
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return implode(',', $sorting); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function reverseTransform($value) |
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{ |
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$exploded = explode(',', $value); |
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if ($exploded === false) { |
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throw new TransformationFailedException(sprintf( |
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'The grid sorting should be comma-separated, got "%s".', |
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$value |
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)); |
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} |
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$sorting = []; |
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foreach (array_map('trim', $exploded) as $order) { |
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if (empty($order)) { |
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continue; |
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} |
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if ($order[0] === '-') { |
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$sorting[substr($order, 1)] = SorterInterface::DESC; |
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} else { |
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$sorting[$order] = SorterInterface::ASC; |
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} |
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} |
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return $sorting; |
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} |
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} |
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php-lug /
lug
