/**
* Creates an Og membership to a group optionally assigning roles as well.
*
* @param \Drupal\Core\Session\AccountInterface $user
* The user to be assigned as a group member.
* @param \Drupal\Core\Entity\EntityInterface $entity
* The organic group entity.
* @param \Drupal\og\Entity\OgRole[] $roles
* An array of OgRoles to be passed to the membership.
*
* @throws \Exception
* Throws an exception when the user is anonymous or the entity is not a
* group.
*/
protected function subscribeUserToGroup(AccountInterface $user, EntityInterface $entity, array $roles = [])
{
if (!Og::isGroup($entity->getEntityTypeId(), $entity->bundle())) {
throw new \Exception("The {$entity->label()} is not a group.");
}
/** @var \Drupal\og\OgMembershipInterface $membership */
$membership = OgMembership::create();
$membership->setUser($user)->setGroup($entity);
foreach ($roles as $role) {
$membership->addRole($role);
}
$membership->save();
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
/** @var RdfInterface $collection */
$collection = Rdf::load($form_state->getValue('collection_id'));
/** @var \Drupal\user\UserInterface $user */
$user = User::load($form_state->getValue('user_id'));
$role_id = $collection->getEntityTypeId() . '-' . $collection->bundle() . '-' . OgRoleInterface::AUTHENTICATED;
$membership = OgMembership::create();
$membership->setUser($user)->setGroup($collection)->setState(OgMembershipInterface::STATE_ACTIVE)->setRoles([OgRole::load($role_id)])->save();
drupal_set_message($this->t('You are now a member of %collection.', ['%collection' => $collection->getName()]));
// @todo: This is a temporary workaround for the lack of og cache
// contexts/tags. Remove this when Og provides proper cache context.
// @see: https://webgate.ec.europa.eu/CITnet/jira/browse/ISAICP-2628
Cache::invalidateTags(['user.roles']);
}
