SocialPrivateMessageInboxBlock.php in Open Social 8

Namespace

Drupal\social_private_message\Plugin\Block

File

modules/social_features/social_private_message/src/Plugin/Block/SocialPrivateMessageInboxBlock.php

<?php

namespace Drupal\social_private_message\Plugin\Block;

use Drupal\Core\Url;
use Drupal\private_message\Plugin\Block\PrivateMessageInboxBlock;

/**
 * Provides a 'SocialPrivateMessageInboxBlock' block.
 *
 * @Block(
 *   id = "social_private_message_inbox_block",
 *   admin_label = @Translation("Social Private Message Inbox"),
 * )
 */
class SocialPrivateMessageInboxBlock extends PrivateMessageInboxBlock {

  /**
   * {@inheritdoc}
   */
  public function build() {
    if ($this->currentUser
      ->isAuthenticated() && $this->currentUser
      ->hasPermission('use private messaging system')) {
      $config = $this
        ->getConfiguration();
      $thread_info = $this->privateMessageService
        ->getThreadsForUser($config['thread_count']);
      if (count($thread_info['threads'])) {
        $view_builder = $this->entityManager
          ->getViewBuilder('private_message_thread');
        $threads = $thread_info['threads'];

        /* @var \Drupal\private_message\Entity\PrivateMessageThread $thread */

        // This custom sort, sorts based on newestmessage timestamp in the
        // thread.
        uasort($threads, [
          $this,
          "customSort",
        ]);

        // The above sorts ascending... so:
        $threads = array_reverse($threads);
        foreach ($threads as $thread) {
          $block[$thread
            ->id()] = $view_builder
            ->view($thread, 'inbox');
        }
      }
      else {
        $block['no_threads'] = [
          '#prefix' => '<p>',
          '#suffix' => '</p>',
          '#markup' => $this
            ->t('You do not have any private messages yet. Click on the button on the right to start a new chat.'),
        ];
      }
      $new_url = Url::fromRoute('private_message.ajax_callback', [
        'op' => 'get_new_inbox_threads',
      ]);
      $new_token = $this->csrfToken
        ->get($new_url
        ->getInternalPath());
      $new_url
        ->setOptions([
        'absolute' => TRUE,
        'query' => [
          'token' => $new_token,
        ],
      ]);

      // Add the default classes, as these are not added when the block
      // output is overridden with a template.
      $block['#attributes']['class'][] = 'block';
      $block['#attributes']['class'][] = 'block-private-message';
      $block['#attributes']['class'][] = 'block-private-message-inbox-block';
      return $block;
    }
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheContexts() {
    $cache_contexts = parent::getCacheContexts();
    $cache_contexts[] = 'user';
    return $cache_contexts;
  }

  /**
   * Sorts the inbox based on last updated time.
   */
  public function customSort($pmt1, $pmt2) {

    /* @var \Drupal\private_message\Entity\PrivateMessageThread $pmt1 */

    /* @var \Drupal\private_message\Entity\PrivateMessageThread $pmt2 */
    if ($pmt1
      ->getUpdatedTime() == $pmt2
      ->getUpdatedTime()) {
      return 0;
    }
    return $pmt1
      ->getUpdatedTime() < $pmt2
      ->getUpdatedTime() ? -1 : 1;
  }

}

Classes

Name	Description
SocialPrivateMessageInboxBlock	Provides a 'SocialPrivateMessageInboxBlock' block.