/**
  * {@inheritdoc}
  */
 public function convert(array $items, array $options = [])
 {
     $attributeTypes = $this->attributeRepository->getAttributeTypeByCodes(array_keys($items));
     foreach ($items as $code => $item) {
         if (isset($attributeTypes[$code])) {
             $localizer = $this->localizerRegistry->getLocalizer($attributeTypes[$code]);
             if (null !== $localizer) {
                 foreach ($item as $i => $data) {
                     $items[$code][$i] = $this->convertAttribute($localizer, $data, $options, $code);
                 }
             }
         }
     }
     return $items;
 }
 /**
  * {@inheritdoc}
  */
 public function convertLocalizedToDefaultValues(array $items, array $options = [])
 {
     $this->violations = new ConstraintViolationList();
     $attributeTypes = $this->attributeRepository->getAttributeTypeByCodes(array_keys($items));
     foreach ($items as $code => $item) {
         if (isset($attributeTypes[$code])) {
             $localizer = $this->localizerRegistry->getLocalizer($attributeTypes[$code]);
             if (null !== $localizer) {
                 foreach ($item as $index => $data) {
                     $items[$code][$index] = $this->convertLocalizedToDefaultValue($localizer, $data, $options, $this->buildPropertyPath($data, $code));
                 }
             }
         }
     }
     return $items;
 }
 /**
  * {@inheritdoc}
  */
 public function filter(ProductInterface $product, array $newValues)
 {
     $originalValues = $this->getOriginalProduct($product);
     $attributeTypes = $this->attributeRepository->getAttributeTypeByCodes(array_keys($newValues));
     $result = [];
     foreach ($newValues as $code => $value) {
         if (in_array($code, $this->productFields)) {
             $data = $this->compareField($originalValues, $value, $code);
         } elseif (isset($attributeTypes[$code])) {
             $data = $this->compareAttribute($originalValues, $value, $attributeTypes, $code);
         } else {
             throw new \LogicException(sprintf('Cannot filter value of field "%s"', $code));
         }
         if (null !== $data) {
             $result = $this->mergeValueToResult($result, $data);
         }
     }
     return $result;
 }