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entity-content-revision-delete.php.twig
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entity-content-revision-delete.php.twig
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{% extends "base/class.php.twig" %}
{% block file_path %}
\Drupal\{{module}}\Form\{{ entity_class }}RevisionDeleteForm.
{% endblock %}
{% block namespace_class %}
namespace Drupal\{{module}}\Form;
{% endblock %}
{% block use_class %}
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;
{% endblock %}
{% block class_declaration %}
/**
* Provides a form for deleting a {{ label }} revision.
*
* @ingroup {{module}}
*/
class {{ entity_class }}RevisionDeleteForm extends ConfirmFormBase {% endblock %}
{% block class_methods %}
/**
* The {{ label }} revision.
*
* @var \Drupal\{{module}}\Entity\{{ entity_class }}Interface
*/
protected $revision;
/**
* The {{ label }} storage.
*
* @var \Drupal\Core\Entity\EntityStorageInterface
*/
protected ${{ entity_class }}Storage;
/**
* The database connection.
*
* @var \Drupal\Core\Database\Connection
*/
protected $connection;
/**
* Constructs a new {{ entity_class }}RevisionDeleteForm.
*
* @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->{{ entity_class }}Storage = $entity_storage;
$this->connection = $connection;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
$entity_manager = $container->get('entity.manager');
return new static(
$entity_manager->getStorage('{{ entity_name }}'),
$container->get('database')
);
}
/**
* {@inheritdoc}
*/
public function getFormId() {
return '{{ entity_name }}_revision_delete_confirm';
}
/**
* {@inheritdoc}
*/
public function getQuestion() {
return t('Are you sure you want to delete the revision from %revision-date?', ['%revision-date' => format_date($this->revision->getRevisionCreationTime())]);
}
/**
* {@inheritdoc}
*/
public function getCancelUrl() {
return new Url('entity.{{ entity_name }}.version_history', ['{{ entity_name }}' => $this->revision->id()]);
}
/**
* {@inheritdoc}
*/
public function getConfirmText() {
return t('Delete');
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state, ${{ entity_name }}_revision = NULL) {
$this->revision = $this->{{ entity_class }}Storage->loadRevision(${{ entity_name }}_revision);
$form = parent::buildForm($form, $form_state);
return $form;
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
$this->{{ entity_class }}Storage->deleteRevision($this->revision->getRevisionId());
$this->logger('content')->notice('{{ label }}: deleted %title revision %revision.', ['%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId()]);
drupal_set_message(t('Revision from %revision-date of {{ label }} %title has been deleted.', ['%revision-date' => format_date($this->revision->getRevisionCreationTime()), '%title' => $this->revision->label()]));
$form_state->setRedirect(
'entity.{{ entity_name }}.canonical',
['{{ entity_name }}' => $this->revision->id()]
);
if ($this->connection->query('SELECT COUNT(DISTINCT vid) FROM {{ '{'~entity_name~'_field_revision}' }} WHERE id = :id', [':id' => $this->revision->id()])->fetchField() > 1) {
$form_state->setRedirect(
'entity.{{ entity_name }}.version_history',
['{{ entity_name }}' => $this->revision->id()]
);
}
}
{% endblock %}