ConfigDependencies::onDependencyRemovalForResourceGranularity

protected ConfigDependencies::onDependencyRemovalForResourceGranularity(RestResourceConfigInterface $rest_config, array $dependencies)

protected function onDependencyRemovalForResourceGranularity(RestResourceConfigInterface $rest_config, array $dependencies) {
  $changed = FALSE;
  // Only module-related dependencies can be fixed. All other types of
  // dependencies cannot, because they were not generated based on supported
  // authentication providers or formats.
  if (isset($dependencies['module'])) {
    // Try to fix dependencies.
    $removed_auth = array_keys(array_intersect($this->authProviders, $dependencies['module']));
    $removed_formats = array_keys(array_intersect($this->formatProviders, $dependencies['module']));
    $configuration_before = $configuration = $rest_config->get('configuration');
    if (!empty($removed_auth) || !empty($removed_formats)) {
      // All methods support the same formats and authentication providers, so
      // get those for whichever the first listed method is.
      $first_method = $rest_config->getMethods()[0];

      // Try to fix dependency problems by removing affected
      // authentication providers and formats.
      foreach ($removed_formats as $format) {
        if (in_array($format, $rest_config->getFormats($first_method), TRUE)) {
          $configuration['formats'] = array_diff($configuration['formats'], $removed_formats);
        }
      }
      foreach ($removed_auth as $auth) {
        if (in_array($auth, $rest_config->getAuthenticationProviders($first_method), TRUE)) {
          $configuration['authentication'] = array_diff($configuration['authentication'], $removed_auth);
        }
      }
      if (empty($configuration['authentication'])) {
        // Remove the key if there are no more authentication providers
        // supported.
        unset($configuration['authentication']);
      }
      if (empty($configuration['formats'])) {
        // Remove the key if there are no more formats supported.
        unset($configuration['formats']);
      }
      if (empty($configuration['authentication']) || empty($configuration['formats'])) {
        // If there no longer are any supported authentication providers or
        // formats, this REST resource can no longer function, and so we
        // cannot fix this config entity to keep it working.
        $configuration = [];
      }
    }
    if ($configuration_before != $configuration && !empty($configuration)) {
      $rest_config->set('configuration', $configuration);
      // Only mark the dependencies problems as fixed if there is any
      // configuration left.
      $changed = TRUE;
    }
  }
  // If the dependency problems are not marked as fixed at this point they
  // should be related to the resource plugin and the config entity should
  // be deleted.
  return $changed;
}