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opencase/modules/opencase_cases/src/Form/OCCaseRevisionDeleteForm.php

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<?php
namespace Drupal\opencase_cases\Form;
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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 Case revision.
*
* @ingroup opencase_cases
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*/
class OCCaseRevisionDeleteForm extends ConfirmFormBase {
/**
* The Case revision.
*
* @var \Drupal\opencase_cases\Entity\OCCaseInterface
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*/
protected $revision;
/**
* The Case storage.
*
* @var \Drupal\Core\Entity\EntityStorageInterface
*/
protected $OCCaseStorage;
/**
* The database connection.
*
* @var \Drupal\Core\Database\Connection
*/
protected $connection;
/**
* Constructs a new OCCaseRevisionDeleteForm.
*
* @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->OCCaseStorage = $entity_storage;
$this->connection = $connection;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
$entity_manager = $container->get('entity.manager');
return new static(
$entity_manager->getStorage('oc_case'),
$container->get('database')
);
}
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'oc_case_revision_delete_confirm';
}
/**
* {@inheritdoc}
*/
public function getQuestion() {
return t('Are you sure you want to delete the revision from %revision-date?', ['%revision-date' => format_date($this->revision->getRevisionCreationTime())]);
}
/**
* {@inheritdoc}
*/
public function getCancelUrl() {
return new Url('entity.oc_case.version_history', ['oc_case' => $this->revision->id()]);
}
/**
* {@inheritdoc}
*/
public function getConfirmText() {
return t('Delete');
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state, $oc_case_revision = NULL) {
$this->revision = $this->OCCaseStorage->loadRevision($oc_case_revision);
$form = parent::buildForm($form, $form_state);
return $form;
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
$this->OCCaseStorage->deleteRevision($this->revision->getRevisionId());
$this->logger('content')->notice('Case: deleted %title revision %revision.', ['%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId()]);
drupal_set_message(t('Revision from %revision-date of Case %title has been deleted.', ['%revision-date' => format_date($this->revision->getRevisionCreationTime()), '%title' => $this->revision->label()]));
$form_state->setRedirect(
'entity.oc_case.canonical',
['oc_case' => $this->revision->id()]
);
if ($this->connection->query('SELECT COUNT(DISTINCT vid) FROM {oc_case_field_revision} WHERE id = :id', [':id' => $this->revision->id()])->fetchField() > 1) {
$form_state->setRedirect(
'entity.oc_case.version_history',
['oc_case' => $this->revision->id()]
);
}
}
}