entity_legal-4.0.x-dev/src/Form/EntityLegalDocumentVersionForm.php

<?php

declare(strict_types=1);

namespace Drupal\entity_legal\Form;

use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Language\LanguageInterface;
use Drupal\entity_legal\EntityLegalDocumentInterface;

/**
 * Form class for legal entity document version.
 */
class EntityLegalDocumentVersionForm extends ContentEntityForm {

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state): array {
    // Provide default values if a published version already exists.
    if ($this->entity && $this->entity->isNew()) {
      $document = $this->entity->getDocument();
      if ($document instanceof EntityLegalDocumentInterface) {
        $published_version = $document->getPublishedVersion();
        if ($published_version) {
          $clone = $published_version->createDuplicate();
          // Unset properties that shouldn't be copied over.
          $clone->set('created', $this->time->getRequestTime());
          $clone->set('changed', $this->time->getRequestTime());
          $clone->set('published', FALSE);
          $this->setEntity($clone);
        }
      }

      $form['langcode'] = [
        '#title' => $this->t('Language'),
        '#type' => 'language_select',
        '#access' => TRUE,
        '#default_value' => $this->entity->language()->getId(),
        '#languages' => LanguageInterface::STATE_ALL,
      ];
    }

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

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state): array {
    $form = parent::form($form, $form_state);

    $form['label'] = [
      '#title' => $this->t('Title'),
      '#type' => 'textfield',
      '#default_value' => $this->entity->label(),
      '#required' => TRUE,
    ];

    $form['acceptance_label'] = [
      '#title' => $this->t('Acceptance label'),
      '#type' => 'textfield',
      '#description' => $this->t('e.g. I agree to the terms and conditions, use tokens to provide a link to the document.'),
      '#weight' => 50,
    ];

    if (isset($this->entity->get('acceptance_label')->value)) {
      $form['acceptance_label']['#default_value'] = $this->entity->get('acceptance_label')->value;
    }
    else {
      $form['acceptance_label']['#default_value'] = $this->t('I agree to the <a href="@token_url">@document_label</a> document', [
        '@token_url' => '[entity_legal_document:url]',
        '@document_label' => $this->entity->getDocument()->label(),
      ])->render();
    }

    $form['token_help'] = [
      '#theme' => 'token_tree_link',
      '#token_types' => ['entity_legal_document'],
      '#weight' => 51,
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state): int {
    // Set this as the published version.
    $document = $this->entity->getDocument();
    if (!$document->getPublishedVersion()) {
      $this->entity->publish();
    }
    $status = $this->entity->save();
    $form_state->setRedirect('entity.entity_legal_document.edit_form', ['entity_legal_document' => $this->entity->bundle()]);
    return $status;
  }

}