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<?php |
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namespace Port\Steps\Step; |
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use Port\Exception\MappingException; |
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use Port\Steps\Step; |
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use Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException; |
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use Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException; |
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use Symfony\Component\PropertyAccess\PropertyAccessor; |
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use Symfony\Component\PropertyAccess\PropertyAccessorInterface; |
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/** |
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* @author Markus Bachmann <[email protected]> |
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*/ |
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class MappingStep implements Step |
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{ |
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/** |
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* @var array |
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*/ |
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private $mappings = []; |
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/** |
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* @var PropertyAccessorInterface |
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*/ |
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private $accessor; |
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/** |
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* @param array $mappings |
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* @param PropertyAccessorInterface $accessor |
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*/ |
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public function __construct(array $mappings = [], PropertyAccessorInterface $accessor = null) |
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{ |
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$this->mappings = $mappings; |
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$this->accessor = $accessor ?: new PropertyAccessor(); |
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} |
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/** |
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* @param string $from |
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* @param string $to |
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* |
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* @return $this |
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*/ |
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public function map($from, $to) |
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{ |
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$this->mappings[$from] = $to; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws MappingException |
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*/ |
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public function process($item, callable $next) |
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{ |
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try { |
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foreach ($this->mappings as $from => $to) { |
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$value = $this->accessor->getValue($item, $from); |
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$this->accessor->setValue($item, $to, $value); |
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$from = str_replace(['[',']'], '', $from); |
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// Check if $item is an array, because properties can't be unset. |
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// So we don't call unset for objects to prevent side affects. |
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// Also, we don't have to unset the property if the key is the same |
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if (is_array($item) && array_key_exists($from, $item) && $from !== str_replace(['[',']'], '', $to)) { |
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unset($item[$from]); |
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} |
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} |
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} catch (NoSuchPropertyException $exception) { |
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throw new MappingException('Unable to map item', null, $exception); |
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} catch (UnexpectedTypeException $exception) { |
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throw new MappingException('Unable to map item', null, $exception); |
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} |
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return $next($item); |
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} |
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} |
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portphp /
steps
