sustainable.theme

<?php
/**
 * @file
 * cuenergy sub-theme.
 *
 * Place your custom PHP code in this file.
 */

/**
 * Implements hook_preprocess_html().
 */
function sustainable_preprocess_html(&$variables) {
	
  $current_path = \Drupal::service('path.current')->getPath();
  $path_alias = \Drupal::service('path.alias_manager')->getAliasByPath($current_path);
  $path_alias = ltrim($path_alias, '/');
  $variables['attributes']['class'][] = 'path-' . \Drupal\Component\Utility\Html::cleanCssIdentifier($path_alias);
	
  if ($node = \Drupal::request()->attributes->get('node')) {
    $variables['attributes']['class'][] = 'page-node-' . $node->id();
  }
	
}

function sustainable_theme_suggestions_page_alter(&$suggestions, $variables) {
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $type = $node->getType();
    $suggestions[] = 'page__content_type__' . $type;
  }
}

function sustainable_preprocess_page(&$variables) {
  if (array_key_exists('node', $variables)) {
    $node = $variables['node'];

    if (isset($node) && !is_string($node)) {
      if ($node->hasField('field_hero_background')) {
        $images = $node->get('field_hero_background');

        if (sizeof($images) === 0) {
          $image = $images->getFieldDefinition();
          $defaultImage = $image->getSetting('default_image');

          $entityrepository = Drupal::service('entity.repository');
          $defaultImageFile = $entityrepository->loadEntityByUuid('file', $defaultImage['uuid']);

          if($defaultImageFile) {
            $defaultImageUri = $defaultImageFile->getFileUri();
            $defaultImage['fileuri'] = $defaultImageUri;
            $image->setSetting('default_image', $defaultImage);
          }
        }
      }
    }
  }
}