public function QuickEditImageController::upload in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/image/src/Controller/QuickEditImageController.php \Drupal\image\Controller\QuickEditImageController::upload()

Returns JSON representing the new file upload, or validation errors.

Parameters

\Drupal\Core\Entity\EntityInterface $entity: The entity of which an image field is being rendered.

string $field_name: The name of the (image) field that is being rendered

string $langcode: The language code of the field that is being rendered.

string $view_mode_id: The view mode of the field that is being rendered.

Return value

\Symfony\Component\HttpFoundation\JsonResponse The JSON response.

1 string reference to 'QuickEditImageController::upload'

image.routing.yml in core/modules/image/image.routing.yml

core/modules/image/image.routing.yml

File

core/modules/image/src/Controller/QuickEditImageController.php, line 118

Class

QuickEditImageController

Returns responses for our image routes.

Namespace

Drupal\image\Controller

Code

public function upload(EntityInterface $entity, $field_name, $langcode, $view_mode_id) {
  $field = $this
    ->getField($entity, $field_name, $langcode);
  $field_validators = $field
    ->getUploadValidators();
  $field_settings = $field
    ->getFieldDefinition()
    ->getSettings();
  $destination = $field
    ->getUploadLocation();

  // Add upload resolution validation.
  if ($field_settings['max_resolution'] || $field_settings['min_resolution']) {
    $field_validators['file_validate_image_resolution'] = [
      $field_settings['max_resolution'],
      $field_settings['min_resolution'],
    ];
  }

  // Create the destination directory if it does not already exist.
  if (isset($destination) && !$this->fileSystem
    ->prepareDirectory($destination, FileSystemInterface::CREATE_DIRECTORY)) {
    return new JsonResponse([
      'main_error' => $this
        ->t('The destination directory could not be created.'),
      'errors' => '',
    ]);
  }

  // Attempt to save the image given the field's constraints.
  $result = file_save_upload('image', $field_validators, $destination);
  if (is_array($result) && $result[0]) {

    /** @var \Drupal\file\Entity\File $file */
    $file = $result[0];
    $image = $this->imageFactory
      ->get($file
      ->getFileUri());

    // Set the value in the Entity to the new file.

    /** @var \Drupal\file\Plugin\Field\FieldType\FileFieldItemList $field_list */
    $value = $entity->{$field_name}
      ->getValue();
    $value[0]['target_id'] = $file
      ->id();
    $value[0]['width'] = $image
      ->getWidth();
    $value[0]['height'] = $image
      ->getHeight();
    $entity->{$field_name}
      ->setValue($value);

    // Render the new image using the correct formatter settings.
    $entity_view_mode_ids = array_keys($this->entityDisplayRepository
      ->getViewModes($entity
      ->getEntityTypeId()));
    if (in_array($view_mode_id, $entity_view_mode_ids, TRUE)) {
      $output = $entity->{$field_name}
        ->view($view_mode_id);
    }
    else {

      // Each part of a custom (non-Entity Display) view mode ID is separated
      // by a dash; the first part must be the module name.
      $mode_id_parts = explode('-', $view_mode_id, 2);
      $module = reset($mode_id_parts);
      $args = [
        $entity,
        $field_name,
        $view_mode_id,
        $langcode,
      ];
      $output = $this
        ->moduleHandler()
        ->invoke($module, 'quickedit_render_field', $args);
    }

    // Save the Entity to tempstore.
    $this->tempStore
      ->set($entity
      ->uuid(), $entity);
    $data = [
      'fid' => $file
        ->id(),
      'html' => $this->renderer
        ->renderRoot($output),
    ];
    return new JsonResponse($data);
  }
  else {

    // Return a JSON object containing the errors from Drupal and our
    // "main_error", which is displayed inside the dropzone area.
    $messages = StatusMessages::renderMessages('error');
    return new JsonResponse([
      'errors' => $this->renderer
        ->render($messages),
      'main_error' => $this
        ->t('The image failed validation.'),
    ]);
  }
}