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<?php
declare(strict_types = 1);
namespace Drupal\module_name\Plugin\jsonapi\FieldEnhancer;
use Drupal\Component\Render\PlainTextOutput;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\Utility\Token;
use Drupal\jsonapi_extras\Plugin\ResourceFieldEnhancerBase;
use Drupal\metatag\MetatagManagerInterface;
use Shaper\Util\Context;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Prepare metatag value.
*
* @ResourceFieldEnhancer(
* id = "metatag",
* label = @Translation("Metatag (Metatag field only)"),
* description = @Translation("Add metatag values."),
* dependencies = {"metatag"}
* )
*/
class MetatagEnhancer extends ResourceFieldEnhancerBase implements ContainerFactoryPluginInterface {
/**
* The metatag manager.
*
* @var \Drupal\metatag\MetatagManagerInterface
*/
protected $metatagManager;
/**
* The token service.
*
* @var \Drupal\Core\Utility\Token
*/
protected $token;
/**
* {@inheritdoc}
*/
public function __construct(
array $configuration,
$plugin_id,
array $plugin_definition,
MetatagManagerInterface $metatag_manager,
Token $token
) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->metatagManager = $metatag_manager;
$this->token = $token;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static(
$configuration,
$plugin_id,
$plugin_definition,
$container->get('metatag.manager'),
$container->get('token')
);
}
/**
* {@inheritdoc}
*/
protected function doUndoTransform($data, Context $context) {
$field_item = $context['field_item_object'];
$entity = $field_item->getEntity();
$metatags_for_entity = $this->metatagManager->tagsFromEntityWithDefaults($entity);
$token_replacements = [$entity->getEntityTypeId() => $entity];
$replacements_options['clear'] = TRUE;
$data = [];
foreach ($metatags_for_entity as $metatag_key => $metatag_for_entity) {
$data[$metatag_key] = PlainTextOutput::renderFromHtml(htmlspecialchars_decode($this->token->replace($metatag_for_entity, $token_replacements, $replacements_options)));
if (empty($data[$metatag_key])) {
unset($data[$metatag_key]);
}
}
return [
'value' => $data,
];
}
/**
* {@inheritdoc}
*/
protected function doTransform($value, Context $context) {
return $value;
}
/**
* {@inheritdoc}
*/
public function getOutputJsonSchema() {
return [
'type' => 'object',
];
}
}
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