PrivateMessageThreadViewBuilder.php in Private Message 8.2

Namespace

Drupal\private_message\Entity\Builder

File

src/Entity/Builder/PrivateMessageThreadViewBuilder.php

<?php

namespace Drupal\private_message\Entity\Builder;

use Drupal\Core\Cache\Cache;
use Drupal\Core\Entity\EntityDisplayRepositoryInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityRepositoryInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Entity\EntityViewBuilder;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\Core\Session\AccountProxyInterface;
use Drupal\Core\Theme\Registry;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Build handler for rpivate message threads.
 */
class PrivateMessageThreadViewBuilder extends EntityViewBuilder {

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountProxyInterface
   */
  protected $currentUser;

  /**
   * The configuration factory.
   *
   * @var \Drupal\Core\Config\Config
   */
  protected $config;

  /**
   * The class resolver service.
   *
   * @var \Drupal\Core\DependencyInjection\ClassResolverInterface
   */
  protected $classResolver;

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

  /**
   * The form builder service.
   *
   * @var \Drupal\Core\Form\FormBuilderInterface
   */
  protected $formBuilder;

  /**
   * Constructs a PrivateMessageThreadViewBuilder object.
   *
   * @param \Drupal\Core\Entity\EntityTypeInterface $entityType
   *   The entity type.
   * @param \Drupal\Core\Entity\EntityRepositoryInterface $entityRepository
   *   The entity repository service.
   * @param \Drupal\Core\Language\LanguageManagerInterface $languageManager
   *   The language manager service.
   * @param \Drupal\Core\Theme\Registry $themeRegistry
   *   The theme register.
   * @param \Drupal\Core\Session\AccountProxyInterface $currentUser
   *   The current user.
   * @param \Drupal\Core\Entity\EntityDisplayRepositoryInterface $entity_display_repository
   *   The entity display repository.
   */
  public function __construct(EntityTypeInterface $entityType, EntityRepositoryInterface $entityRepository, LanguageManagerInterface $languageManager, Registry $themeRegistry, AccountProxyInterface $currentUser, EntityDisplayRepositoryInterface $entity_display_repository) {
    parent::__construct($entityType, $entityRepository, $languageManager, $themeRegistry, $entity_display_repository);
    $this->currentUser = $currentUser;
  }

  /**
   * {@inheritdoc}
   */
  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entityType) {
    return new static($entityType, $container
      ->get('entity.repository'), $container
      ->get('language_manager'), $container
      ->get('theme.registry'), $container
      ->get('current_user'), $container
      ->get('entity_display.repository'));
  }

  /**
   * {@inheritdoc}
   */
  public function view(EntityInterface $entity, $view_mode = 'full', $langcode = NULL) {
    $build = parent::view($entity, $view_mode, $langcode);
    $classes = [
      'private-message-thread',
    ];
    $classes[] = 'private-message-thread-' . $view_mode;
    $last_access_time = $entity
      ->getLastAccessTimestamp($this->currentUser);
    $messages = $entity
      ->getMessages();
    foreach ($messages as $message) {
      if ($last_access_time <= $message
        ->getCreatedTime() && $message
        ->getOwnerId() != $this->currentUser
        ->id()) {
        $classes[] = 'unread-thread';
        break;
      }
    }
    if ($view_mode == 'inbox') {
      $url = Url::fromRoute('entity.private_message_thread.canonical', [
        'private_message_thread' => $entity
          ->id(),
      ]);
      $build['inbox_link'] = [
        '#type' => 'link',
        '#url' => $url,
        '#title' => '',
        '#weight' => 9999,
        '#attributes' => [
          'data-thread-id' => $entity
            ->id(),
          'class' => [
            'private-message-inbox-thread-link',
          ],
        ],
      ];
    }
    if ($view_mode == 'full') {
      $tags[] = 'private_message_thread:' . $entity
        ->id() . ':view:uid:' . $this->currentUser
        ->id();
      $tags[] = 'private_message_inbox_block:uid:' . $this->currentUser
        ->id();
      $tags[] = 'private_message_notification_block:uid:' . $this->currentUser
        ->id();
      Cache::invalidateTags($tags);
      $entity
        ->updateLastAccessTime($this->currentUser);
      $build['#prefix'] = '<div id="private-message-page"><div id="private-message-thread-' . $entity
        ->id() . '" class="' . implode(' ', $classes) . '" data-thread-id="' . $entity
        ->id() . '" data-last-update="' . $entity
        ->get('updated')->value . '">';
      $build['#suffix'] = '</div></div>';
    }
    else {
      $build['#prefix'] = '<div id="private-message-thread-' . $entity
        ->id() . '" class="' . implode(' ', $classes) . '" data-thread-id="' . $entity
        ->id() . '" data-last-update="' . $entity
        ->get('updated')->value . '">';
      $build['#suffix'] = '</div>';
    }
    return $build;
  }

}

Classes

Name	Description
PrivateMessageThreadViewBuilder	Build handler for rpivate message threads.