function comment_update_8200 in Drupal 8

Add the 'view_mode' setting to displays having 'comment_default' formatter.

File

core/modules/comment/comment.install, line 161

Install, update and uninstall functions for the Comment module.

Code

function comment_update_8200() {
  $config_factory = \Drupal::configFactory();
  $displays = [];

  // Iterate on all entity view displays.
  foreach ($config_factory
    ->listAll('core.entity_view_display.') as $name) {
    $changed = FALSE;
    $display = $config_factory
      ->getEditable($name);
    $components = $display
      ->get('content') ?: [];
    foreach ($components as $field_name => $component) {
      if (isset($component['type']) && $component['type'] === 'comment_default') {
        if (empty($display
          ->get("content.{$field_name}.settings.view_mode"))) {
          $display
            ->set("content.{$field_name}.settings.view_mode", 'default');
          $displays[] = $display
            ->get('id');
          $changed = TRUE;
        }
      }
    }
    if ($changed) {
      $display
        ->save(TRUE);
    }
  }
  if ($displays) {
    return new PluralTranslatableMarkup(count($displays), '1 entity display updated: @displays.', '@count entity displays updated: @displays.', [
      '@displays' => implode(', ', $displays),
    ]);
  }
  else {
    return new TranslatableMarkup('No entity view display updated.');
  }
}