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<?php |
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namespace TreeHouse\Feeder\Modifier\Item\Transformer; |
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use Symfony\Component\HttpFoundation\ParameterBag; |
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use TreeHouse\Feeder\Exception\TransformationFailedException; |
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use TreeHouse\Feeder\Modifier\Data\Transformer\TransformerInterface as InnerTransformer; |
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class DataTransformer implements TransformerInterface |
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{ |
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/** |
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* @var InnerTransformer |
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*/ |
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protected $transformer; |
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/** |
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* @var string |
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*/ |
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protected $field; |
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/** |
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* @param InnerTransformer $transformer |
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* @param string $field |
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*/ |
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public function __construct(InnerTransformer $transformer, $field) |
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{ |
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$this->transformer = $transformer; |
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$this->field = $field; |
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} |
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/** |
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* @return string |
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*/ |
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public function getField() |
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{ |
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return $this->field; |
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} |
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/** |
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* @return TransformerInterface |
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*/ |
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public function getInnerTransformer() |
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{ |
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return $this->transformer; |
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} |
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/** |
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* @param ParameterBag $item |
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* |
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* @throws TransformationFailedException |
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*/ |
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public function transform(ParameterBag $item) |
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{ |
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if (!$item->has($this->field)) { |
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return; |
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} |
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$value = $item->get($this->field); |
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try { |
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$newValue = $this->transformer->transform($value); |
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$item->set($this->field, $newValue); |
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} catch (TransformationFailedException $e) { |
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// set the value to null as we couldn't transform it |
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$item->set($this->field, null); |
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throw new TransformationFailedException( |
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sprintf( |
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'Transforming "%s" using "%s" failed with message: %s.', |
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$this->field, |
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get_class($this->transformer), |
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$e->getMessage() |
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), |
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null, |
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$e |
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); |
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} |
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} |
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} |
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treehouselabs /
feeder
