--- /dev/null
+<?php
+
+namespace Drupal\Core\Entity\Form;
+
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Form\BaseFormIdInterface;
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\Core\Messenger\MessengerInterface;
+use Drupal\Core\TypedData\TranslatableInterface;
+use Drupal\Core\Url;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\Core\TempStore\PrivateTempStoreFactory;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides an entities deletion confirmation form.
+ */
+class DeleteMultipleForm extends ConfirmFormBase implements BaseFormIdInterface {
+
+ /**
+ * The current user.
+ *
+ * @var \Drupal\Core\Session\AccountInterface
+ */
+ protected $currentUser;
+
+ /**
+ * The entity type manager.
+ *
+ * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+ */
+ protected $entityTypeManager;
+
+ /**
+ * The tempstore.
+ *
+ * @var \Drupal\Core\TempStore\SharedTempStore
+ */
+ protected $tempStore;
+
+ /**
+ * The messenger service.
+ *
+ * @var \Drupal\Core\Messenger\MessengerInterface
+ */
+ protected $messenger;
+
+ /**
+ * The entity type ID.
+ *
+ * @var string
+ */
+ protected $entityTypeId;
+
+ /**
+ * The selection, in the entity_id => langcodes format.
+ *
+ * @var array
+ */
+ protected $selection = [];
+
+ /**
+ * The entity type definition.
+ *
+ * @var \Drupal\Core\Entity\EntityTypeInterface
+ */
+ protected $entityType;
+
+ /**
+ * Constructs a new DeleteMultiple object.
+ *
+ * @param \Drupal\Core\Session\AccountInterface $current_user
+ * The current user.
+ * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+ * The entity type manager.
+ * @param \Drupal\Core\TempStore\PrivateTempStoreFactory $temp_store_factory
+ * The tempstore factory.
+ * @param \Drupal\Core\Messenger\MessengerInterface $messenger
+ * The messenger service.
+ */
+ public function __construct(AccountInterface $current_user, EntityTypeManagerInterface $entity_type_manager, PrivateTempStoreFactory $temp_store_factory, MessengerInterface $messenger) {
+ $this->currentUser = $current_user;
+ $this->entityTypeManager = $entity_type_manager;
+ $this->tempStore = $temp_store_factory->get('entity_delete_multiple_confirm');
+ $this->messenger = $messenger;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container) {
+ return new static(
+ $container->get('current_user'),
+ $container->get('entity_type.manager'),
+ $container->get('tempstore.private'),
+ $container->get('messenger')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getBaseFormId() {
+ return 'entity_delete_multiple_confirm_form';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ // Get entity type ID from the route because ::buildForm has not yet been
+ // called.
+ $entity_type_id = $this->getRouteMatch()->getParameter('entity_type_id');
+ return $entity_type_id . '_delete_multiple_confirm_form';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getQuestion() {
+ return $this->formatPlural(count($this->selection), 'Are you sure you want to delete this @item?', 'Are you sure you want to delete these @items?', [
+ '@item' => $this->entityType->getSingularLabel(),
+ '@items' => $this->entityType->getPluralLabel(),
+ ]);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getCancelUrl() {
+ if ($this->entityType->hasLinkTemplate('collection')) {
+ return new Url('entity.' . $this->entityTypeId . '.collection');
+ }
+ else {
+ return new Url('<front>');
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getConfirmText() {
+ return $this->t('Delete');
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state, $entity_type_id = NULL) {
+ $this->entityTypeId = $entity_type_id;
+ $this->entityType = $this->entityTypeManager->getDefinition($this->entityTypeId);
+ $this->selection = $this->tempStore->get($this->currentUser->id() . ':' . $entity_type_id);
+ if (empty($this->entityTypeId) || empty($this->selection)) {
+ return new RedirectResponse($this->getCancelUrl()
+ ->setAbsolute()
+ ->toString());
+ }
+
+ $items = [];
+ $entities = $this->entityTypeManager->getStorage($entity_type_id)->loadMultiple(array_keys($this->selection));
+ foreach ($this->selection as $id => $selected_langcodes) {
+ $entity = $entities[$id];
+ foreach ($selected_langcodes as $langcode) {
+ $key = $id . ':' . $langcode;
+ if ($entity instanceof TranslatableInterface) {
+ $entity = $entity->getTranslation($langcode);
+ $default_key = $id . ':' . $entity->getUntranslated()->language()->getId();
+
+ // Build a nested list of translations that will be deleted if the
+ // entity has multiple translations.
+ $entity_languages = $entity->getTranslationLanguages();
+ if (count($entity_languages) > 1 && $entity->isDefaultTranslation()) {
+ $names = [];
+ foreach ($entity_languages as $translation_langcode => $language) {
+ $names[] = $language->getName();
+ unset($items[$id . ':' . $translation_langcode]);
+ }
+ $items[$default_key] = [
+ 'label' => [
+ '#markup' => $this->t('@label (Original translation) - <em>The following @entity_type translations will be deleted:</em>',
+ [
+ '@label' => $entity->label(),
+ '@entity_type' => $this->entityType->getSingularLabel(),
+ ]),
+ ],
+ 'deleted_translations' => [
+ '#theme' => 'item_list',
+ '#items' => $names,
+ ],
+ ];
+ }
+ elseif (!isset($items[$default_key])) {
+ $items[$key] = $entity->label();
+ }
+ }
+ elseif (!isset($items[$key])) {
+ $items[$key] = $entity->label();
+ }
+ }
+ }
+
+ $form['entities'] = [
+ '#theme' => 'item_list',
+ '#items' => $items,
+ ];
+ $form = parent::buildForm($form, $form_state);
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ $total_count = 0;
+ $delete_entities = [];
+ $delete_translations = [];
+ $inaccessible_entities = [];
+ $storage = $this->entityTypeManager->getStorage($this->entityTypeId);
+
+ $entities = $storage->loadMultiple(array_keys($this->selection));
+ foreach ($this->selection as $id => $selected_langcodes) {
+ $entity = $entities[$id];
+ if (!$entity->access('delete', $this->currentUser)) {
+ $inaccessible_entities[] = $entity;
+ continue;
+ }
+ foreach ($selected_langcodes as $langcode) {
+ if ($entity instanceof TranslatableInterface) {
+ $entity = $entity->getTranslation($langcode);
+ // If the entity is the default translation then deleting it will
+ // delete all the translations.
+ if ($entity->isDefaultTranslation()) {
+ $delete_entities[$id] = $entity;
+ // If there are translations already marked for deletion then remove
+ // them as they will be deleted anyway.
+ unset($delete_translations[$id]);
+ // Update the total count. Since a single delete will delete all
+ // translations, we need to add the number of translations to the
+ // count.
+ $total_count += count($entity->getTranslationLanguages());
+ }
+ // Add the translation to the list of translations to be deleted
+ // unless the default translation is being deleted.
+ elseif (!isset($delete_entities[$id])) {
+ $delete_translations[$id][] = $entity;
+ }
+ }
+ elseif (!isset($delete_entities[$id])) {
+ $delete_entities[$id] = $entity;
+ $total_count++;
+ }
+ }
+ }
+
+ if ($delete_entities) {
+ $storage->delete($delete_entities);
+ foreach ($delete_entities as $entity) {
+ $this->logger($entity->getEntityType()->getProvider())->notice('The @entity-type %label has been deleted.', [
+ '@entity-type' => $entity->getEntityType()->getLowercaseLabel(),
+ '%label' => $entity->label(),
+ ]);
+ }
+ }
+
+ if ($delete_translations) {
+ /** @var \Drupal\Core\Entity\TranslatableInterface[][] $delete_translations */
+ foreach ($delete_translations as $id => $translations) {
+ $entity = $entities[$id]->getUntranslated();
+ foreach ($translations as $translation) {
+ $entity->removeTranslation($translation->language()->getId());
+ }
+ $entity->save();
+ foreach ($translations as $translation) {
+ $this->logger($entity->getEntityType()->getProvider())->notice('The @entity-type %label @language translation has been deleted.', [
+ '@entity-type' => $entity->getEntityType()->getLowercaseLabel(),
+ '%label' => $entity->label(),
+ '@language' => $translation->language()->getName(),
+ ]);
+ }
+ $total_count += count($translations);
+ }
+ }
+
+ if ($total_count) {
+ $this->messenger->addStatus($this->getDeletedMessage($total_count));
+ }
+ if ($inaccessible_entities) {
+ $this->messenger->addWarning($this->getInaccessibleMessage(count($inaccessible_entities)));
+ }
+ $this->tempStore->delete($this->currentUser->id());
+ $form_state->setRedirectUrl($this->getCancelUrl());
+ }
+
+ /**
+ * Returns the message to show the user after an item was deleted.
+ *
+ * @param int $count
+ * Count of deleted translations.
+ *
+ * @return \Drupal\Core\StringTranslation\TranslatableMarkup
+ * The item deleted message.
+ */
+ protected function getDeletedMessage($count) {
+ return $this->formatPlural($count, 'Deleted @count item.', 'Deleted @count items.');
+ }
+
+ /**
+ * Returns the message to show the user when an item has not been deleted.
+ *
+ * @param int $count
+ * Count of deleted translations.
+ *
+ * @return \Drupal\Core\StringTranslation\TranslatableMarkup
+ * The item inaccessible message.
+ */
+ protected function getInaccessibleMessage($count) {
+ return $this->formatPlural($count, "@count item has not been deleted because you do not have the necessary permissions.", "@count items have not been deleted because you do not have the necessary permissions.");
+ }
+
+}