protected function SwaggerUIFileFormatter::getSwaggerFileUrlFromField in Swagger UI Field Formatter 8.3

Same name and namespace in other branches

1. 8.2 src/Plugin/Field/FieldFormatter/SwaggerUIFileFormatter.php \Drupal\swagger_ui_formatter\Plugin\Field\FieldFormatter\SwaggerUIFileFormatter::getSwaggerFileUrlFromField()

Creates a web-accessible URL to a Swagger file from the field item.

Parameters

\Drupal\Core\Field\FieldItemInterface $field_item: The field item.

array $context: Additional context for creating the URL to the Swagger file.

Return value

string|null URL to the Swagger file or null if the URL could not be created.

Overrides SwaggerUIFormatterTrait::getSwaggerFileUrlFromField

File

src/Plugin/Field/FieldFormatter/SwaggerUIFileFormatter.php, line 128

Class

SwaggerUIFileFormatter

Plugin implementation of Swagger UI file field formatter.

Namespace

Drupal\swagger_ui_formatter\Plugin\Field\FieldFormatter

Code

protected function getSwaggerFileUrlFromField(FieldItemInterface $field_item, array $context = []) {
  if (!isset($this->fileEntityCache[$context['field_items']
    ->getEntity()
    ->id()])) {

    // Store file entities keyed by their id.
    $this->fileEntityCache[$context['field_items']
      ->getEntity()
      ->id()] = array_reduce($this
      ->getEntitiesToView($context['field_items'], $context['lang_code']), static function (array $carry, File $entity) {
      $carry[$entity
        ->id()] = $entity;
      return $carry;
    }, []);
  }

  // This is only set if the file entity exists and the current user has
  // access to the entity.
  if (isset($this->fileEntityCache[$context['field_items']
    ->getEntity()
    ->id()][$field_item
    ->getValue()['target_id']])) {

    /** @var \Drupal\file\Entity\File $file */
    $file = $this->fileEntityCache[$context['field_items']
      ->getEntity()
      ->id()][$field_item
      ->getValue()['target_id']];
    $url = file_create_url($file
      ->getFileUri());
    if ($url === FALSE) {
      $this->logger
        ->error('URL could not be created for %file file.', [
        '%file' => $file
          ->label(),
        'link' => $context['field_items']
          ->getEntity()
          ->toLink($this
          ->t('view'))
          ->toString(),
      ]);
      return NULL;
    }
    return $url;
  }
  return NULL;
}