PetRevisionDeleteForm.php in Previewable email templates 8.3
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src/Form/PetRevisionDeleteForm.php
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<?php
namespace Drupal\pet\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;
class PetRevisionDeleteForm extends ConfirmFormBase {
protected $revision;
protected $petStorage;
protected $connection;
public function __construct(EntityStorageInterface $entity_storage, Connection $connection) {
$this->petStorage = $entity_storage;
$this->connection = $connection;
}
public static function create(ContainerInterface $container) {
return new static($container
->get('entity.manager')
->getStorage('pet'), $container
->get('database'));
}
public function getFormId() {
return 'pet_revision_delete_confirm';
}
public function getQuestion() {
$revision_date = \Drupal::service('date.formatter')
->format($this->revision
->getRevisionCreationTime(), 'short');
return t('Are you sure you want to delete the revision from %revision-date?', [
'%revision-date' => $revision_date,
]);
}
public function getCancelUrl() {
return new Url('entity.pet.version_history', [
'pet' => $this->revision
->id(),
]);
}
public function getConfirmText() {
return t('Delete');
}
public function buildForm(array $form, FormStateInterface $form_state, $pet_revision = NULL) {
$this->revision = $this->petStorage
->loadRevision($pet_revision);
$form = parent::buildForm($form, $form_state);
return $form;
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$this->petStorage
->deleteRevision($this->revision
->getRevisionId());
$this
->logger('content')
->notice('Pet: deleted %title revision %revision.', [
'%title' => $this->revision
->label(),
'%revision' => $this->revision
->getRevisionId(),
]);
drupal_set_message(t('Revision from %revision-date of Pet %title has been deleted.', [
'%revision-date' => \Drupal::service('date.formatter')
->format($this->revision
->getRevisionCreationTime(), 'short'),
'%title' => $this->revision
->label(),
]));
$form_state
->setRedirect('entity.pet.canonical', [
'pet' => $this->revision
->id(),
]);
if ($this->connection
->query('SELECT COUNT(DISTINCT vid) FROM {pets_field_revision} WHERE id = :id', [
':id' => $this->revision
->id(),
])
->fetchField() > 1) {
$form_state
->setRedirect('entity.pet.version_history', [
'pet' => $this->revision
->id(),
]);
}
}
}