Aggiungi attributi ordine personalizzati

declare(strict_types=1);

namespace Magento\AepCustomAttributes\Model\Provider;

use Magento\Framework\Serialize\Serializer\Json;

class CustomAttribute
{
  /**
   * @var Json
   */
  private Json $jsonSerializer;

  /**
   * @var string
   */
  private string $usingField = '';

  /**
   * @param string $usingField
   * @param Json $jsonSerializer
   */
  public function __construct(
      string $usingField,
      Json $jsonSerializer
  ) {
      $this->usingField = $usingField;
      $this->jsonSerializer = $jsonSerializer;
  }

  /**
   * @param array $values
   * @return array
   */
  public function get(array $values): array
  {
      $output = [];

      /**
       * Entity IDs
       */
      $ids = array_column($values, $this->usingField);

      foreach ($this->flatten($values) as $row) {
          $info = \is_string($row['additionalInformation']) ? $row['additionalInformation'] : '{}';
          $unserializedData = $this->jsonSerializer->unserialize($info) ?? [];

          if (isset($row)) {
              $unserializedData['order_channel'] = 'order_channel';
              $unserializedData['order_status'] = 'order_status';

              $additionalInformation = [];
              foreach ($unserializedData as $name => $value) {
                  $additionalInformation[] = [
                      'name' => $name,
                      'value' => \is_string($value) ? $value : $this->jsonSerializer->serialize($value)
                  ];
              }
              foreach ($additionalInformation as $information) {
                  $output[] = [
                      'additionalInformation' => $information,
                      $this->usingField => $row[$this->usingField],
                  ];
              }
          }
      }
      return $output;
  }

  /**
   * @param $values
   * @return array
   */
  private function flatten($values): array
  {
      if (isset(current($values)[0])) {
          return array_merge([], ...array_values($values));
      }
      return $values;
  }
}

declare(strict_types=1);

namespace Magento\AepCustomAttributes\Model\Provider;

use Magento\Framework\Serialize\Serializer\Json;

class OrderItemCustomAttribute
{
  /**
   * @var Json
   */
  private Json $jsonSerializer;

  /**
   * @var string
   */
  private string $usingField = '';

  /**
   * @param Json $jsonSerializer
   * @param string $usingField
   */
  public function __construct(
      Json $jsonSerializer,
      string $usingField
  ) {
      $this->jsonSerializer = $jsonSerializer;
      $this->usingField = $usingField;
  }

  /**
   * Getting additional attributes data.
   *
   * @param array $values
   * @return array
   */
  public function get(array $values): array
  {
      $output = [];
      $values = $this->flatten($values);

      foreach ($values as $row) {
          $info = \is_string($row['additionalInformation']) ? $row['additionalInformation'] : '{}';
          $unserializedData = $this->jsonSerializer->unserialize($info) ?? [];
          $unserializedData['product_brand'] = implode(',', ['label 1', 'label 2']);

          $additionalInformation = [];
          foreach ($unserializedData as $name => $value) {
              $additionalInformation[] = [
                  'name' => $name,
                  'value' => \is_string($value) ? $value : $this->jsonSerializer->serialize($value)
              ];
          }
          foreach ($additionalInformation as $information) {
              $output[] = [
                  'additionalInformation' => $information,
                  $this->usingField => $row[$this->usingField],
              ];
          }
      }
      return $output;
  }

  /**
   * @param $values
   * @return array
   */
  private function flatten($values): array
  {
      if (isset(current($values)[0])) {
          return array_merge([], ...array_values($values));
      }
      return $values;
  }
}