CandidateNodesRevisionsDeleteForm.php in Node Revision Delete 8

Namespace

Drupal\node_revision_delete\Form

File

src/Form/CandidateNodesRevisionsDeleteForm.php

<?php

namespace Drupal\node_revision_delete\Form;

use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Url;
use Drupal\node_revision_delete\NodeRevisionDeleteInterface;
use Drupal\node\NodeInterface;

/**
 * Provides a candidate node revision deletion confirmation form.
 */
class CandidateNodesRevisionsDeleteForm extends ConfirmFormBase {

  /**
   * The node type object.
   *
   * @var \Drupal\node\NodeInterface
   */
  protected $node;

  /**
   * The node revision delete interface.
   *
   * @var \Drupal\node_revision_delete\NodeRevisionDeleteInterface
   */
  protected $nodeRevisionDelete;

  /**
   * Constructor.
   *
   * @param \Drupal\node_revision_delete\NodeRevisionDeleteInterface $node_revision_delete
   *   The node revision delete.
   */
  public function __construct(NodeRevisionDeleteInterface $node_revision_delete) {
    $this->nodeRevisionDelete = $node_revision_delete;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('node_revision_delete'));
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'node_revision_delete_candidates_nodes_revisions_delete';
  }

  /**
   * Form constructor.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   * @param string|null $node_type
   *   The node type machine name.
   * @param \Drupal\node\NodeInterface|null $node
   *   The node.
   *
   * @return array
   *   The form structure.
   */
  public function buildForm(array $form, FormStateInterface $form_state, $node_type = NULL, NodeInterface $node = NULL) {
    $this->node = $node;
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->t('Are you sure you want to delete the candidates revisions for the node "%node_title" ?', [
      '%node_title' => $this->node
        ->getTitle(),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getConfirmText() {
    return $this
      ->t('Delete');
  }

  /**
   * {@inheritdoc}
   */
  public function getDescription() {
    $description = '<p>' . $this
      ->t('This action will delete the candidate revisions for the "@node_title" content type.', [
      '@node_title' => $this->node
        ->getTitle(),
    ]) . '</p>';
    $description .= '<p>' . parent::getDescription() . '</p>';
    return $description;
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelText() {
    return $this
      ->t('Cancel');
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('node_revision_delete.candidate_nodes', [
      'node_type' => $this->node
        ->getType(),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {

    // Getting the content type candidate revisions.
    $candidate_revisions = $this->nodeRevisionDelete
      ->getCandidatesRevisionsByNids([
      $this->node
        ->id(),
    ]);

    // Add the batch.
    batch_set($this->nodeRevisionDelete
      ->getRevisionDeletionBatch($candidate_revisions, FALSE));

    // Redirecting.
    $form_state
      ->setRedirectUrl($this
      ->getCancelUrl());
  }

}

Classes

Name	Description
CandidateNodesRevisionsDeleteForm	Provides a candidate node revision deletion confirmation form.