public function YamlFormManagedFileBase::getTestValue in YAML Form 8

Get test value for an element.

Parameters

array $element: An element.

\Drupal\yamlform\YamlFormInterface $yamlform: A form.

Return value

mixed A test value for an element.

Overrides YamlFormElementBase::getTestValue

File

src/Plugin/YamlFormElement/YamlFormManagedFileBase.php, line 374

Class

YamlFormManagedFileBase

Provides a base class form 'managed_file' elements.

Namespace

Drupal\yamlform\Plugin\YamlFormElement

Code

public function getTestValue(array $element, YamlFormInterface $yamlform) {
  if ($this
    ->isDisabled()) {
    return NULL;
  }
  $file_extensions = explode(' ', $this
    ->getFileExtensions($element));
  $file_extension = $file_extensions[array_rand($file_extensions)];
  $upload_location = $this
    ->getUploadLocation($element, $yamlform);
  $file_destination = $upload_location . '/' . $element['#yamlform_key'] . '.' . $file_extension;

  // Look for an existing temp files that have not been uploaded.
  $fids = \Drupal::entityQuery('file')
    ->condition('status', 0)
    ->condition('uid', \Drupal::currentUser()
    ->id())
    ->condition('uri', $upload_location . '/' . $element['#yamlform_key'] . '.%', 'LIKE')
    ->execute();
  if ($fids) {
    return reset($fids);
  }

  // Copy sample file or generate a new temp file that can be uploaded.
  $sample_file = drupal_get_path('module', 'yamlform') . '/tests/files/sample.' . $file_extension;
  if (file_exists($sample_file)) {
    $file_uri = file_unmanaged_copy($sample_file, $file_destination);
  }
  else {
    $file_uri = file_unmanaged_save_data('{empty}', $file_destination);
  }
  $file = File::create([
    'uri' => $file_uri,
    'uid' => \Drupal::currentUser()
      ->id(),
  ]);
  $file
    ->save();
  $fid = $file
    ->id();
  return $this
    ->hasMultipleValues($element) ? [
    $fid,
  ] : $fid;
}