openquestions-1.0.x-dev/src/Plugin/views/field/ApplicationTextObfuscator.php

<?php

namespace Drupal\openquestions\Plugin\views\field;

use Drupal\Core\Form\FormStateInterface;
use Drupal\node\Entity\NodeType;
use Drupal\views\Plugin\views\field\FieldPluginBase;
use Drupal\views\ResultRow;

/**
 * Field handler to obfuscate text.
 *
 * @ingroup views_field_handlers
 *
 * @ViewsField("application_text_obfuscator")
 */
class ApplicationTextObfuscator extends FieldPluginBase {

  /**
   * @{inheritdoc}
   */
  public function query() {
  }

  /**
   * @{inheritdoc}
   */
  public function render(ResultRow $values) {
    $application = $this->getEntity($values);
    if (!$application) {
      return '--';
    }

    $text = $application->get('description')->value;

    return str_rot13($text);
  }

}