function RevisionDeleteForm::submitForm

Overrides FormInterface::submitForm

File

core/lib/Drupal/Core/Entity/Form/RevisionDeleteForm.php, line 141

Class

RevisionDeleteForm

Provides a form for deleting an entity revision.

Namespace

Code

public function submitForm(array &$form, FormStateInterface $form_state) {
    $entityTypeId = $this->revision
        ->getEntityTypeId();
    
    /** @var \Drupal\Core\Entity\RevisionableStorageInterface $entityStorage */
    $entityStorage = $this->entityTypeManager
        ->getStorage($entityTypeId);
    $entityStorage->deleteRevision($this->revision
        ->getRevisionId());
    $bundleLabel = $this->getBundleLabel($this->revision);
    $messengerArgs = [
        '@type' => $bundleLabel ?? $this->revision
            ->getEntityType()
            ->getLabel(),
        '%title' => $this->revision
            ->label(),
    ];
    if ($this->revision instanceof RevisionLogInterface) {
        $messengerArgs['%revision-date'] = $this->dateFormatter
            ->format($this->revision
            ->getRevisionCreationTime());
        $this->messenger
            ->addStatus($this->t('Revision from %revision-date of @type %title has been deleted.', $messengerArgs));
    }
    else {
        $this->messenger
            ->addStatus($this->t('Revision of @type %title has been deleted.', $messengerArgs));
    }
    $this->logger($this->revision
        ->getEntityType()
        ->getProvider())
        ->info('@type: deleted %title revision %revision.', [
        '@type' => $this->revision
            ->bundle(),
        '%title' => $this->revision
            ->label(),
        '%revision' => $this->revision
            ->getRevisionId(),
    ]);
    // When there is one remaining revision or more, redirect to the version
    // history page.
    if ($this->revision
        ->hasLinkTemplate('version-history')) {
        $query = $this->entityTypeManager
            ->getStorage($entityTypeId)
            ->getQuery();
        $remainingRevisions = $query->accessCheck(FALSE)
            ->allRevisions()
            ->condition($this->revision
            ->getEntityType()
            ->getKey('id'), $this->revision
            ->id())
            ->count()
            ->execute();
        $versionHistoryUrl = $this->revision
            ->toUrl('version-history');
        if ($remainingRevisions && $versionHistoryUrl->access($this->currentUser())) {
            $form_state->setRedirectUrl($versionHistoryUrl);
        }
    }
    if (!$form_state->getRedirect()) {
        $canonicalUrl = $this->revision
            ->toUrl();
        if ($canonicalUrl->access($this->currentUser())) {
            $form_state->setRedirectUrl($canonicalUrl);
        }
    }
}