function rest_post_update_resource_granularity in Drupal 8

Simplify method-granularity REST resource config to resource-granularity.

See also

https://www.drupal.org/node/2721595

File

core/modules/rest/rest.post_update.php, line 34

Post update functions for Rest.

Code

function rest_post_update_resource_granularity() {

  /** @var \Drupal\rest\RestResourceConfigInterface[] $resource_config_entities */
  $resource_config_entities = RestResourceConfig::loadMultiple();
  foreach ($resource_config_entities as $resource_config_entity) {
    if ($resource_config_entity
      ->get('granularity') === RestResourceConfigInterface::METHOD_GRANULARITY) {
      $configuration = $resource_config_entity
        ->get('configuration');
      $format_and_auth_configuration = [];
      foreach (array_keys($configuration) as $method) {
        $format_and_auth_configuration['format'][$method] = implode(',', $configuration[$method]['supported_formats']);
        $format_and_auth_configuration['auth'][$method] = implode(',', $configuration[$method]['supported_auth']);
      }

      // If each method has the same formats and the same authentication
      // providers configured, convert it to 'granularity: resource', which has
      // a simpler/less verbose configuration.
      if (count(array_unique($format_and_auth_configuration['format'])) === 1 && count(array_unique($format_and_auth_configuration['auth'])) === 1) {
        $first_method = array_keys($configuration)[0];
        $resource_config_entity
          ->set('configuration', [
          'methods' => array_keys($configuration),
          'formats' => $configuration[$first_method]['supported_formats'],
          'authentication' => $configuration[$first_method]['supported_auth'],
        ]);
        $resource_config_entity
          ->set('granularity', RestResourceConfigInterface::RESOURCE_GRANULARITY);
        $resource_config_entity
          ->save();
      }
    }
  }
}