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<?php
namespace Ddeboer\DataImport\Step;
use Ddeboer\DataImport\Exception\MappingException;
use Ddeboer\DataImport\Step;
use Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException;
use Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException;
use Symfony\Component\PropertyAccess\PropertyAccessor;
/**
* @author Markus Bachmann <markus.bachmann@bachi.biz>
*/
class MappingStep implements Step
{
/**
* @var array
*/
private $mappings = [];
/**
* @var PropertyAccessor
*/
private $accessor;
/**
* @param array $mappings
* @param PropertyAccessor $accessor
*/
public function __construct(array $mappings = [], PropertyAccessor $accessor = null)
{
$this->mappings = $mappings;
$this->accessor = $accessor ?: new PropertyAccessor();
}
/**
* @param string $from
* @param string $to
*
* @return $this
*/
public function map($from, $to)
{
$this->mappings[$from] = $to;
return $this;
}
/**
* {@inheritdoc}
*
* @throws MappingException
*/
public function process(&$item)
{
try {
foreach ($this->mappings as $from => $to) {
$value = $this->accessor->getValue($item, $from);
$this->accessor->setValue($item, $to, $value);
$from = str_replace(['[',']'], '', $from);
// Check if $item is an array, because properties can't be unset.
// So we don't call unset for objects to prevent side affects.
if (is_array($item) && isset($item[$from])) {
unset($item[$from]);
}
}
} catch (NoSuchPropertyException $exception) {
throw new MappingException('Unable to map item', null, $exception);
} catch (UnexpectedTypeException $exception) {
throw new MappingException('Unable to map item', null, $exception);
}
}
}
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