function Export::buildForm in Default Content 8

Form constructor.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array The form structure.

Overrides EntityForm::buildForm

File

src/Export.php, line 19

Contains \Drupal\defaultcontent\Export.

Class

Export

Converts a node to a config entity and shows it on screen We use the EntityForm here because it is an easy way to get the node from the routing system

Namespace

Drupal\defaultcontent

Code

function buildForm(array $form, \Drupal\Core\Form\FormStateInterface $form_state) {
  $entity = $form_state
    ->getFormObject()
    ->getEntity();
  $entities = \Drupal::service('defaultcontent.manager')
    ->exportContentWithReferences($entity
    ->getEntityTypeId(), $entity
    ->id());
  $content = $entities[$entity
    ->getEntityTypeId()][$entity
    ->uuid()];
  $headers = [
    'Content-Type' => 'application/octet-stream',
    'Content-Length' => strlen($content),
    'Content-Disposition' => 'attachment; filename=' . $entity
      ->uuid() . '.json',
  ];
  $response = new Response($content, 200, $headers);
  $response
    ->send();
  exit;
}