public function LetterAvatar::getFile in Letter Avatar 8

Gets File object for an avatar.

Parameters

\Drupal\Core\Session\AccountInterface $account: A user account.

Return value

\Drupal\file\FileInterface A file object.

Overrides AvatarGeneratorBase::getFile

File

src/Plugin/AvatarGenerator/LetterAvatar.php, line 32

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

Class

LetterAvatar

Gravatar avatar generator.

Namespace

Drupal\letter_avatar\Plugin\AvatarGenerator

Code

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;
}