public function RestExampleClientEdit::buildForm in Examples for Developers 3.x

Throws

\GuzzleHttp\Exception\GuzzleException

Overrides FormInterface::buildForm

File

modules/rest_example/src/Form/RestExampleClientEdit.php, line 63

Class

RestExampleClientEdit

Edit or create a new node on a remote Drupal site.

Namespace

Drupal\rest_example\Form

Code

public function buildForm(array $form, FormStateInterface $form_state, $id = NULL) {
  $config_factory = \Drupal::configFactory();
  if (empty($config_factory
    ->get('rest_example.settings')
    ->get('server_url'))) {
    $this
      ->messenger()
      ->addError($this
      ->t('The remote endpoint service address have not been set. Please go and provide the credentials and the endpoint address on the <a href="@url">config page</a>.', [
      '@url' => base_path() . 'examples/rest-client-settings',
    ]));
    return [
      'error' => [
        '#markup' => 'Unable to establish to the remote site.',
      ],
    ];
  }
  if (!is_null($id) && !is_numeric($id)) {
    return new Response('The ID passed in the URL is not an integer', 500);
  }
  $title = '';
  $form_state
    ->set('node_id', NULL);
  $form_state
    ->set('node_type', 'rest_example_test');

  // If this an existing node, we pull the data from the remote and set the
  // variables that we use as default values later on.
  if (is_numeric($id)) {
    $node = $this->client
      ->index($id);
    if (isset($node[0])) {
      $title = $node[0]['title'];
      $form_state
        ->set('node_id', $id);
    }
  }
  $form['title'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Node title'),
    '#default_value' => $title,
  ];
  $form['submit'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Save'),
  ];
  return $form;
}