bt_personas-2.0.0-alpha2/src/Form/PersonaForm.php

<?php

namespace Drupal\bt_personas\Form;

use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Form\FormStateInterface;
use Drupal\user\RoleInterface;

/**
 * Persona entity form..
 *
 * @package Drupal\bt_personas\Form
 */
class PersonaForm extends EntityForm {

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $persona = $this->entity;

    $form['label'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Label'),
      '#size' => 30,
      '#required' => TRUE,
      '#default_value' => $persona->label(),
      '#maxlength' => 64,
      '#description' => $this->t('The name for this persona. Examaple: "Intern", "Staff Member", "Manager"'),
    ];

    $form['id'] = [
      '#type' => 'machine_name',
      '#size' => 30,
      '#maxlength' => 64,
      '#required' => TRUE,
      '#disabled' => !$persona->isNew(),
      '#default_value' => $persona->id(),
      '#machine_name' => [
        'exists' => '\Drupal\bt_personas\Entity\Persona::load',
      ],
    ];

    $form['roles'] = [
      '#type' => 'checkboxes',
      '#options' => $this->getRoleOptions(),
      '#default_value' => $persona->getRoles(),
    ];

    return parent::form($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $persona = $this->entity;
    $status = $persona->save();

    $edit_link = $this->entity->toLink($this->t('Edit'))->toString();
    switch ($status) {
      case SAVED_NEW:
        $this->messenger()->addStatus(
              $this->t(
                  'Created the %label Persona.', [
                    '%label' => $persona->label(),
                  ]
              )
          );
        $this->logger('persona')->notice(
              'Persona %label has been updated.', [
                '%label' => $persona->label(),
                'link' => $edit_link,
              ]
          );
        break;

      default:
        $this->messenger()->addStatus(
              $this->t(
                  'Saved the %label Persona.', [
                    '%label' => $persona->label(),
                  ]
              )
          );
        $this->logger('persona')->notice(
              'Persona %label has been added.', [
                '%label' => $persona->label(),
                'link' => $edit_link,
              ]
          );
    }
    $form_state->setRedirectUrl($persona->toUrl('collection'));
  }

  /**
   * Returns an options with the roles labels.
   */
  protected function getRoleOptions() {
    $storage = $this->entityTypeManager->getStorage('user_role');
    return array_reduce(
          $storage->loadMultiple(), function ($options, $role) {
            $skip = [
              RoleInterface::ANONYMOUS_ID,
              RoleInterface::AUTHENTICATED_ID,
            ];
            if (!in_array($role->id(), $skip)) {
                $options[$role->id()] = $role->label();
            }
              return $options;
          }, []
      );
  }

}