/**
* Creates a render array of roles that may use the flag.
*
* @param \Drupal\flag\FlagInterface $flag
* The flag entity.
*
* @return array
* A render array of flag roles for the entity.
*/
protected function getFlagRoles(FlagInterface $flag) {
$all_roles = [];
foreach (array_keys($flag->getPermissions()) as $perm) {
$roles = user_roles(FALSE, $perm);
foreach ($roles as $rid => $role) {
$all_roles[$rid] = $role->label();
}
}
$out = implode(', ', $all_roles);
if (empty($out)) {
return [
'#markup' => '<em>' . $this->t('None') . '</em>',
'#allowed_tags' => ['em'],
];
}
return [
'#markup' => rtrim($out, ', '),
];
}
