UserRegisterBlock.php in Glazed Theme Helper 8

Namespace

Drupal\glazed_helper\Plugin\Block

File

src/Plugin/Block/UserRegisterBlock.php

<?php

namespace Drupal\glazed_helper\Plugin\Block;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Entity\EntityFormBuilderInterface;

/**
 * Provides a block for the user registration form.
 *
 * @Block(
 *   id = "glazed_helper_user_register",
 *   admin_label = @Translation("User registration form"),
 *   category = @Translation("Forms")
 * )
 *
 * Note that we set module to contact so that blocks will be disabled correctly
 * when the module is disabled.
 */
class UserRegisterBlock extends BlockBase implements ContainerFactoryPluginInterface {

  /**
   * The entity manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface.
   */
  protected $entityTypeManager;

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

  /**
   * Constructs a new UserRegisterBlock plugin.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   The entity manager.
   * @param \Drupal\Core\Entity\EntityFormBuilderInterface $entityFormBuilder
   *   The entity form builder.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entityTypeManager, EntityFormBuilderInterface $entityFormBuilder) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->entityTypeManager = $entityTypeManager;
    $this->entityFormBuilder = $entityFormBuilder;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('entity_type.manager'), $container
      ->get('entity.form_builder'));
  }

  /**
   * Implements \Drupal\block\BlockBase::build().
   */
  public function build() {
    $build = [];
    $account = $this->entityTypeManager
      ->getStorage('user')
      ->create([]);
    $build['form'] = $this->entityFormBuilder
      ->getForm($account, 'register');
    return $build;
  }

  /**
   * {@inheritdoc}
   */
  public function blockAccess(AccountInterface $account) {
    return AccessResult::allowedIf($account
      ->isAnonymous() && \Drupal::config('user.settings')
      ->get('register') != USER_REGISTER_ADMINISTRATORS_ONLY)
      ->addCacheContexts([
      'user.roles',
    ])
      ->addCacheTags(\Drupal::config('user.settings')
      ->getCacheTags());
  }

}

Classes

Name	Description
UserRegisterBlock	Provides a block for the user registration form.