function image_field_config_update

Implements hook_ENTITY_TYPE_update() for 'field_config'.

File

core/modules/image/image.module, line 441

Code

function image_field_config_update(FieldConfigInterface $field) {
    $field_storage = $field->getFieldStorageDefinition();
    if ($field_storage->getType() != 'image') {
        // Only act on image fields.
        return;
    }
    $prior_instance = $field->original;
    $uuid_new = $field->getSetting('default_image')['uuid'];
    $uuid_old = $prior_instance->getSetting('default_image')['uuid'];
    // If the old and new files do not match, update the default accordingly.
    $file_new = $uuid_new ? \Drupal::service('entity.repository')->loadEntityByUuid('file', $uuid_new) : FALSE;
    if ($uuid_new != $uuid_old) {
        // Save the new file, if present.
        if ($file_new) {
            $file_new->setPermanent();
            $file_new->save();
            \Drupal::service('file.usage')->add($file_new, 'image', 'default_image', $field->uuid());
        }
        // Delete the old file, if present.
        if ($uuid_old && ($file_old = \Drupal::service('entity.repository')->loadEntityByUuid('file', $uuid_old))) {
            \Drupal::service('file.usage')->delete($file_old, 'image', 'default_image', $field->uuid());
        }
    }
    // If the upload destination changed, then move the file.
    if ($file_new && StreamWrapperManager::getScheme($file_new->getFileUri()) != $field_storage->getSetting('uri_scheme')) {
        $directory = $field_storage->getSetting('uri_scheme') . '://default_images/';
        \Drupal::service('file_system')->prepareDirectory($directory, FileSystemInterface::CREATE_DIRECTORY);
        \Drupal::service('file.repository')->move($file_new, $directory . $file_new->getFilename());
    }
}