/**
* @param ProcessInterface $process
* @param string $scenarioAlias
*
* @return RedirectResponse
*/
protected function goToLastValidStep(ProcessInterface $process, $scenarioAlias)
{
//the step we are supposed to display was not found in the history.
if (null === $this->context->getPreviousStep()) {
//there is no previous step go to start
return $this->start($scenarioAlias);
}
//we will go back to previous step...
$history = $this->context->getStepHistory();
if (empty($history)) {
//there is no history
return $this->start($scenarioAlias);
}
$step = $process->getStepByName(end($history));
$this->context->initialize($process, $step);
return $this->redirectToStepDisplayAction($process, $step);
}
/**
* {@inheritdoc}
*/
public function setNextStepByName($stepName)
{
$this->nextStep = $this->process->getStepByName($stepName);
}
