MediaRevisionDeleteForm.php in Media Revisions UI 8

Namespace

Drupal\media_revisions_ui\Form

File

src/Form/MediaRevisionDeleteForm.php

<?php

namespace Drupal\media_revisions_ui\Form;

use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\Entity\RevisionableStorageInterface;
use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a form for reverting media revision.
 *
 * @internal
 */
class MediaRevisionDeleteForm extends ConfirmFormBase {

  /**
   * Media revision.
   *
   * @var \Drupal\media\MediaInterface
   */
  protected $revision;

  /**
   * Media storage.
   *
   * @var \Drupal\Core\Entity\EntityStorageInterface
   */
  protected $mediaStorage;

  /**
   * The date formatter service.
   *
   * @var \Drupal\Core\Datetime\DateFormatterInterface
   */
  protected $dateFormatter;

  /**
   * Constructs a new MediaRevisionDeleteForm.
   *
   * @param \Drupal\Core\Entity\RevisionableStorageInterface $media_storage
   *   The revisionable storage.
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date formatter service.
   */
  public function __construct(RevisionableStorageInterface $media_storage, DateFormatterInterface $date_formatter) {
    $this->mediaStorage = $media_storage;
    $this->dateFormatter = $date_formatter;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity_type.manager')
      ->getStorage('media'), $container
      ->get('date.formatter'));
  }

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

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->t('Are you sure you want to delete the revision from %revision-date?', [
      '%revision-date' => $this->dateFormatter
        ->format($this->revision
        ->getRevisionCreationTime()),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    return new Url('entity.media.version_history', [
      'media' => $this->revision
        ->id(),
    ]);
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, $media_revision = NULL) {
    $this->revision = $this->mediaStorage
      ->loadRevision($media_revision);
    $form = parent::buildForm($form, $form_state);
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->mediaStorage
      ->deleteRevision($this->revision
      ->getRevisionId());
    $this
      ->logger('content')
      ->notice('@type: deleted %title revision %revision.', [
      '@type' => $this->revision
        ->bundle(),
      '%title' => $this->revision
        ->label(),
      '%revision' => $this->revision
        ->getRevisionId(),
    ]);
    $this
      ->messenger()
      ->addStatus($this
      ->t('Revision from %revision-date of %title has been deleted.', [
      '%revision-date' => $this->dateFormatter
        ->format($this->revision
        ->getRevisionCreationTime()),
      '%title' => $this->revision
        ->label(),
    ]));
    $form_state
      ->setRedirect('entity.media.canonical', [
      'media' => $this->revision
        ->id(),
    ]);
    $revisionCount = $this->mediaStorage
      ->getQuery()
      ->allRevisions()
      ->condition('mid', $this->revision
      ->id())
      ->count()
      ->execute();
    if ($revisionCount > 1) {
      $form_state
        ->setRedirect('entity.media.version_history', [
        'media' => $this->revision
          ->id(),
      ]);
    }
  }

}

Classes

Name	Description
MediaRevisionDeleteForm	Provides a form for reverting media revision.