HeartbeatStreamRevisionDeleteForm.php in Heartbeat 8

Namespace

Drupal\heartbeat\Form

File

src/Form/HeartbeatStreamRevisionDeleteForm.php

<?php

namespace Drupal\heartbeat\Form;

use Drupal\Core\Database\Connection;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a form for deleting a Heartbeat stream revision.
 *
 * @ingroup heartbeat
 */
class HeartbeatStreamRevisionDeleteForm extends ConfirmFormBase {

  /**
   * The Heartbeat stream revision.
   *
   * @var \Drupal\heartbeat\Entity\HeartbeatStreamInterface
   */
  protected $revision;

  /**
   * The Heartbeat stream storage.
   *
   * @var \Drupal\Core\Entity\EntityStorageInterface
   */
  protected $HeartbeatStreamStorage;

  /**
   * The database connection.
   *
   * @var \Drupal\Core\Database\Connection
   */
  protected $connection;

  /**
   * Constructs a new HeartbeatStreamRevisionDeleteForm.
   *
   * @param \Drupal\Core\Entity\EntityStorageInterface $entity_storage
   *   The entity storage.
   * @param \Drupal\Core\Database\Connection $connection
   *   The database connection.
   */
  public function __construct(EntityStorageInterface $entity_storage, Connection $connection) {
    $this->HeartbeatStreamStorage = $entity_storage;
    $this->connection = $connection;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    $entity_manager = $container
      ->get('entity.manager');
    return new static($entity_manager
      ->getStorage('heartbeat_stream'), $container
      ->get('database'));
  }

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

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

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

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

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

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->HeartbeatStreamStorage
      ->deleteRevision($this->revision
      ->getRevisionId());
    $this
      ->logger('content')
      ->notice('Heartbeat stream: deleted %title revision %revision.', array(
      '%title' => $this->revision
        ->label(),
      '%revision' => $this->revision
        ->getRevisionId(),
    ));
    drupal_set_message(t('Revision from %revision-date of Heartbeat stream %title has been deleted.', array(
      '%revision-date' => format_date($this->revision
        ->getRevisionCreationTime()),
      '%title' => $this->revision
        ->label(),
    )));
    $form_state
      ->setRedirect('entity.heartbeat_stream.canonical', array(
      'heartbeat_stream' => $this->revision
        ->id(),
    ));
    if ($this->connection
      ->query('SELECT COUNT(DISTINCT vid) FROM {heartbeat_stream_field_revision} WHERE id = :id', array(
      ':id' => $this->revision
        ->id(),
    ))
      ->fetchField() > 1) {
      $form_state
        ->setRedirect('entity.heartbeat_stream.version_history', array(
        'heartbeat_stream' => $this->revision
          ->id(),
      ));
    }
  }

}

Classes

Name	Description
HeartbeatStreamRevisionDeleteForm	Provides a form for deleting a Heartbeat stream revision.