public static function FormsStepsAlter::setNextRoute in Forms Steps 8

Redirect to the next step if one exists.

Parameters

array $form: Form to alter.

\Drupal\Core\Form\FormState $form_state: Form State to update.

File

src/Form/FormsStepsAlter.php, line 93

Class

FormsStepsAlter

Class FormsStepsAlter.

Namespace

Drupal\forms_steps\Form

Code

public static function setNextRoute(array &$form, FormState $form_state) {

  /** @var \Drupal\forms_steps\Service\FormsStepsManager $formsStepsManager */
  $route = \Drupal::routeMatch();
  $route_name = $route
    ->getRouteName();
  $formsStepsManager = \Drupal::service('forms_steps.manager');

  /** @var \Drupal\forms_steps\Entity\Workflow $workflowManager */
  $workflowManager = \Drupal::service('forms_steps.workflow.manager');
  $nextRoute = $formsStepsManager
    ->getNextStepRoute($route_name);
  if ($nextRoute) {
    $workflow = $workflowManager
      ->getWorkflowByEntity($form_state
      ->getFormObject()
      ->getEntity());
    $form_state
      ->setRedirect($nextRoute, [
      'instance_id' => $workflow->instance_id->value,
    ]);
  }

  // Set redirection on final step according to redirection policy.
  $forms_steps = \Drupal::service('forms_steps.manager')
    ->getFormsStepsByRoute($route_name);
  $redirection_policy = $forms_steps
    ->getRedirectionPolicy();
  if ($redirection_policy != '') {
    $step = $formsStepsManager
      ->getStepByRoute($route_name);
    if ($step
      ->isLast()) {
      $redirection_target = $forms_steps
        ->getRedirectionTarget();
      switch ($redirection_policy) {
        case 'internal':
          $target_url = \Drupal::service('path.validator')
            ->getUrlIfValid($redirection_target);
          $target_route_name = $target_url
            ->getRouteName();
          $target_route_parameters = $target_url
            ->getrouteParameters();
          $form_state
            ->setRedirect($target_route_name, $target_route_parameters);
          break;
        case 'route':
          $parameters = $route
            ->getParameters()
            ->all();
          $form_state
            ->setRedirect($redirection_target, $parameters);
          break;
        case 'external':
          $form_state
            ->setResponse(new TrustedRedirectResponse($redirection_target, 302));
          break;
        case 'entity':
          $parameters = $route
            ->getParameters()
            ->all();

          // Add current entity to parameters.
          $current_entity = $form_state
            ->getformObject()
            ->getEntity();
          if (isset($current_entity)) {
            $parameters[$current_entity
              ->getEntityTypeId()] = $current_entity
              ->id();
          }
          $form_state
            ->setRedirect('entity.node.canonical', $parameters);
          break;
      }
    }
  }

  // Dispatch a STEP_CHANGE_EVENT event.
  $step = $formsStepsManager
    ->getStepByRoute($route_name);
  $jumpStep = $formsStepsManager
    ->getStepByRoute($nextRoute);
  $jumpStepEvent = new StepChangeEvent($forms_steps, $step, $jumpStep, $form_state);
  $event_dispatcher = \Drupal::service('event_dispatcher');
  $event_dispatcher
    ->dispatch(StepChangeEvent::STEP_CHANGE_EVENT, $jumpStepEvent);
}