52 lines
1.7 KiB
PHP
52 lines
1.7 KiB
PHP
<?php
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namespace Drupal\farm_csv\Normalizer;
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use Drupal\Core\Config\Entity\ConfigEntityInterface;
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use Drupal\Core\Entity\ContentEntityInterface;
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use Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItemInterface;
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use Drupal\serialization\Normalizer\EntityReferenceFieldItemNormalizer as CoreEntityReferenceFieldItemNormalizer;
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/**
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* Normalizes entity reference fields for farmOS CSV exports.
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*/
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class EntityReferenceFieldItemNormalizer extends CoreEntityReferenceFieldItemNormalizer {
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/**
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* The supported format.
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*/
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const FORMAT = 'csv';
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/**
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* {@inheritdoc}
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*/
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public function normalize($field_item, $format = NULL, array $context = []): array|string|int|float|bool|\ArrayObject|NULL {
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// Attempt to load the referenced entity.
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/** @var \Drupal\Core\Entity\EntityInterface $entity */
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if ($entity = $field_item->get('entity')->getValue()) {
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// Return content entity labels, if desired.
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if ($entity instanceof ContentEntityInterface && isset($context['content_entity_labels']) && $context['content_entity_labels'] === TRUE) {
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return $entity->label();
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}
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// Return config entity IDs, if desired.
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if ($entity instanceof ConfigEntityInterface && isset($context['config_entity_ids']) && $context['config_entity_ids'] === TRUE) {
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return $entity->id();
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}
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}
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// Otherwise, delegate to the parent method.
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return parent::normalize($field_item, $format, $context);
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}
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/**
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* {@inheritdoc}
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*/
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public function supportsNormalization($data, string $format = NULL, array $context = []): bool {
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return $data instanceof EntityReferenceItemInterface && $format == static::FORMAT;
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}
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}
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