/**
* Returns the state message.
*
* @param ModelState $state
* @return string
*/
public function getStateMessage(ModelState $state)
{
$message = '';
if ($state->getSuccessful()) {
$data = $state->getData();
$message = isset($data['success_message']) ? $data['success_message'] : '';
} else {
$message = implode("\n", $state->getErrors());
}
return $message;
}
