/**
* Checks access to the 'unflag' action.
*
* @param \Drupal\flag\FlagInterface $flag
* The flag entity.
*
* @return string
* A \Drupal\Core\Access\AccessInterface constant value.
*/
public function access(FlagInterface $flag) {
return AccessResult::allowedIf($flag->hasActionAccess('unflag'));
}
/**
* {@inheritdoc}
*/
public function getLink(FlagInterface $flag, EntityInterface $entity) {
$action = $flag->isFlagged($entity) ? 'unflag' : 'flag';
if ($flag->hasActionAccess($action)) {
$link = $this->buildLink($action, $flag, $entity);
// The actual render array must be in a nested key, due to a bug in
// lazy builder handling that does not properly render top-level #type
// elements.
return ['link' => $link];
}
return [];
}
