feedback-3.x-dev/src/FeedbackLazyBuilders.php

<?php

namespace Drupal\feedback;

use Drupal\Core\Entity\EntityFormBuilderInterface;
use Drupal\Core\Entity\EntityTypeBundleInfo;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Render\RendererInterface;
use Drupal\Core\Security\TrustedCallbackInterface;
use Drupal\Core\Session\AccountInterface;

/**
 * Defines a service for comment #lazy_builder callbacks.
 */
class FeedbackLazyBuilders implements TrustedCallbackInterface {

  /**
   * The entity manager service.
   *
   * @var \Drupal\Core\Entity\EntityTypeBundleInfo
   */
  protected $bundleInfo;

  /**
   * The entity manager service.
   *
   * @var \Drupal\Core\Entity\EntityTypeManager
   */
  protected $entityManager;

  /**
   * The entity form builder service.
   *
   * @var \Drupal\Core\Entity\EntityFormBuilderInterface
   */
  protected $entityFormBuilder;

  /**
   * Comment manager service.
   *
   * @var \Drupal\comment\CommentManagerInterface
   */
  protected $commentManager;

  /**
   * Current logged in user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $currentUser;

  /**
   * The module handler service.
   *
   * @var \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected $moduleHandler;

  /**
   * The renderer service.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * Constructs a new CommentLazyBuilders object.
   *
   * @param \Drupal\Core\Entity\EntityTypeBundleInfo $bundle_info
   *   The bundle info service to know which feedback types exist.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_manager
   *   The entity manager service.
   * @param \Drupal\Core\Entity\EntityFormBuilderInterface $entity_form_builder
   *   The entity form builder service.
   * @param \Drupal\Core\Session\AccountInterface $current_user
   *   The current logged in user.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler service.
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer service.
   */
  public function __construct(EntityTypeBundleInfo $bundle_info, EntityTypeManagerInterface $entity_manager, EntityFormBuilderInterface $entity_form_builder, AccountInterface $current_user, ModuleHandlerInterface $module_handler, RendererInterface $renderer) {
    $this->bundleInfo = $bundle_info;
    $this->entityManager = $entity_manager;
    $this->entityFormBuilder = $entity_form_builder;
    $this->currentUser = $current_user;
    $this->moduleHandler = $module_handler;
    $this->renderer = $renderer;
  }

  /**
   * Builds the feedback form (#lazy_builder callback).
   *
   * @param string $type
   *   The feedback type.
   * @param string $path
   *   The current page path.
   * @param string $query_string
   *   The current page's query string.
   * @param string $submit_label
   *   The label to display for the submit button.
   *
   * @return array
   *   A renderable array containing the comment form.
   */
  public function renderForm($type, $path, $query_string, $submit_label) {
    if ($query_string) {
      $path .= '?' . $query_string;
    }
    $values = [
      'type' => $type,
      'link' => $path,
    ];
    $feedback = $this->entityManager->getStorage('feedback_message')->create($values);
    $form = $this->entityFormBuilder->getForm($feedback);

    $form['actions']['submit']['#value'] = $submit_label;

    return $form;
  }

  /**
   * Get an array of trusted callbacks.
   *
   * @return array|string[]
   *   An array of trusted callback names.
   */
  public static function trustedCallbacks() {
    $callbacks[] = 'build';
    $callbacks[] = 'lazyBuilder';
    $callbacks[] = 'renderForm';
    return $callbacks;
  }

}