/**
* {@inheritdoc}
*/
public function validateForm(array &$form, FormStateInterface $form_state)
{
parent::validateForm($form, $form_state);
// Only authenticated users can leave a collection.
/** @var \Drupal\user\UserInterface $user */
$user = User::load($this->currentUser()->id());
if ($user->isAnonymous()) {
$form_state->setErrorByName('user', $this->t('<a href=":login">Log in</a> or <a href=":register">register</a> to change your group membership.', [':login' => Url::fromRoute('user.login'), ':register' => Url::fromRoute('user.register')]));
}
// Check if the user is a member of the collection.
if (!Og::isMember($this->collection, $user)) {
$form_state->setErrorByName('collection', $this->t('You are not a member of this collection. You cannot leave it.'));
}
}
/**
* {@inheritdoc}
*/
public function validateForm(array &$form, FormStateInterface $form_state)
{
parent::validateForm($form, $form_state);
}
