LetterAvatar.php in Letter Avatar 8

Contains \Drupal\letter_avatar\Plugin\AvatarGenerator\LetterAvatar.

Namespace

Drupal\letter_avatar\Plugin\AvatarGenerator

File

src/Plugin/AvatarGenerator/LetterAvatar.php

<?php

/**
 * @file
 * Contains \Drupal\letter_avatar\Plugin\AvatarGenerator\LetterAvatar.
 */
namespace Drupal\letter_avatar\Plugin\AvatarGenerator;

use Drupal\avatars\Plugin\AvatarGenerator\AvatarGeneratorBase;
use Drupal\Core\Session\AccountInterface;
use LetterAvatar\LetterAvatar as LetterAvatarAPI;
use Drupal\file\Entity\File;

/**
 * Gravatar avatar generator.
 *
 * @AvatarGenerator(
 *   id = "letter_avatar",
 *   label = @Translation("Letter Avatar"),
 *   description = @Translation("Letter generated by the LetterAvatar library."),
 *   fallback = TRUE,
 *   dynamic = FALSE,
 *   remote = TRUE
 * )
 */
class LetterAvatar extends AvatarGeneratorBase {

  /**
   * {@inheritdoc}
   */
  public function getFile(AccountInterface $account) {
    $directory = 'public://avatar_kit/ak_letter';
    if (file_prepare_directory($directory, FILE_CREATE_DIRECTORY)) {

      /** @var \Drupal\Core\File\FileSystemInterface $file_system */
      $file_system = \Drupal::service('file_system');
      $letter = mb_substr($account
        ->getUsername(), 0, 1);
      $path = $directory . '/' . $account
        ->id() . '.png';

      // todo: update existing file entity
      // if you update a file on the file system directly, page caches and image
      // styles will not flush.
      $ids = \Drupal::entityManager()
        ->getStorage('file')
        ->getQuery()
        ->condition('uri', $path)
        ->execute();
      if ($id = reset($ids)) {
        $file = File::load($id);
        $file
          ->delete();
      }
      $letterAvatar = new LetterAvatarAPI();
      $letterAvatar
        ->generate($letter, 256)
        ->saveAsPng($file_system
        ->realpath($path));

      // File cannot chain methods.
      $file = File::create();
      $file
        ->setFileUri($path);
      $file
        ->setOwnerId($account
        ->id());

      // Temporary until AvatarPreview adds usage.
      $file
        ->setTemporary();
      return $file;
    }
    return NULL;
  }

}

Classes

Name	Description
LetterAvatar	Gravatar avatar generator.