protected function checkAccess(ContentEntityInterface $entity, AccountInterface $account, $operation = 'view')
{
$entity_type = $entity->getEntityType();
$entity_type_id = $entity->getEntityTypeId();
$entity_access = $this->entityTypeManager->getAccessControlHandler($entity_type_id);
/** @var \Drupal\Core\Entity\EntityStorageInterface $entity_storage */
$entity_storage = $this->entityTypeManager->getStorage($entity_type_id);
$map = ['view' => "view all {$entity_type_id} revisions", 'update' => "revert all {$entity_type_id} revisions", 'delete' => "delete all {$entity_type_id} revisions"];
$bundle = $entity->bundle();
$type_map = ['view' => "view {$entity_type_id} {$bundle} revisions", 'update' => "revert {$entity_type_id} {$bundle} revisions", 'delete' => "delete {$entity_type_id} {$bundle} revisions"];
if (!$entity || !isset($map[$operation]) || !isset($type_map[$operation])) {
// If there was no node to check against, or the $op was not one of the
// supported ones, we return access denied.
return FALSE;
}
// Statically cache access by revision ID, language code, user account ID,
// and operation.
$langcode = $entity->language()->getId();
$cid = $entity->getRevisionId() . ':' . $langcode . ':' . $account->id() . ':' . $operation;
if (!isset($this->accessCache[$cid])) {
// Perform basic permission checks first.
if (!$account->hasPermission($map[$operation]) && !$account->hasPermission($type_map[$operation]) && !$account->hasPermission('administer nodes')) {
$this->accessCache[$cid] = FALSE;
return FALSE;
}
if (($admin_permission = $entity_type->getAdminPermission()) && $account->hasPermission($admin_permission)) {
$this->accessCache[$cid] = TRUE;
} else {
// First check the access to the default revision and finally, if the
// node passed in is not the default revision then access to that, too.
$this->accessCache[$cid] = $entity_access->access($entity_storage->load($entity->id()), $operation, $account) && ($entity->isDefaultRevision() || $entity_access->access($entity, $operation, $account));
}
}
return $this->accessCache[$cid];
}
/**
* {@inheritdoc}
*/
public function onPresave(ContentEntityInterface $entity, $default_revision, $published_state)
{
// This is *probably* not necessary if configuration is setup correctly,
// but it can't hurt.
$entity->setNewRevision(TRUE);
// A newly-created revision is always the default revision, or else
// it gets lost.
$entity->isDefaultRevision($entity->isNew() || $default_revision);
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
// The revision timestamp will be updated when the revision is saved. Keep
// the original one for the confirmation message.
$this->entityRevision->setNewRevision();
$this->entityRevision->isDefaultRevision(TRUE);
if ($this->entityRevision instanceof EntityRevisionLogInterface) {
if ($this->entityRevision instanceof TimestampedRevisionInterface) {
$original_revision_timestamp = $this->entityRevision->getRevisionCreationTime();
$this->entityRevision->revision_log = t('Copy of the revision from %date.', ['%date' => $this->dateFormatter->format($original_revision_timestamp)]);
} else {
$this->entityRevision->revision_log = t('Copy of the revision');
}
}
$this->entityRevision->save();
$this->logger('content')->notice('@type: reverted %title revision %revision.', ['@type' => $this->entityRevision->bundle(), '%title' => $this->entityRevision->label(), '%revision' => $this->entityRevision->getRevisionId()]);
drupal_set_message(t('@type %title has been reverted to the revision', ['@type' => $this->entityRevision->{$this->entityRevision->getEntityType()->getKey('bundle')}->entity->label(), '%title' => $this->entityRevision->label()]));
$form_state->setRedirectUrl($this->entityRevision->urlInfo('version-history'));
}
/**
* Saves an entity revision.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The entity object.
*
* @return int
* The revision id.
*/
protected function saveRevision(ContentEntityInterface $entity)
{
$record = $this->mapToStorageRecord($entity->getUntranslated(), $this->revisionTable);
$entity->preSaveRevision($this, $record);
if ($entity->isNewRevision()) {
$insert_id = $this->database->insert($this->revisionTable, array('return' => Database::RETURN_INSERT_ID))->fields((array) $record)->execute();
// Even if this is a new revision, the revision ID key might have been
// set in which case we should not override the provided revision ID.
if (!isset($record->{$this->revisionKey})) {
$record->{$this->revisionKey} = $insert_id;
}
if ($entity->isDefaultRevision()) {
$this->database->update($this->entityType->getBaseTable())->fields(array($this->revisionKey => $record->{$this->revisionKey}))->condition($this->idKey, $record->{$this->idKey})->execute();
}
} else {
$this->database->update($this->revisionTable)->fields((array) $record)->condition($this->revisionKey, $record->{$this->revisionKey})->execute();
}
// Make sure to update the new revision key for the entity.
$entity->{$this->revisionKey}->value = $record->{$this->revisionKey};
return $record->{$this->revisionKey};
}
/**
* Saves values of fields that use dedicated tables.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The entity.
* @param bool $update
* TRUE if the entity is being updated, FALSE if it is being inserted.
*/
protected function saveToDedicatedTables(ContentEntityInterface $entity, $update = TRUE)
{
$vid = $entity->getRevisionId();
$id = $entity->id();
$bundle = $entity->bundle();
$entity_type = $entity->getEntityTypeId();
$default_langcode = $entity->getUntranslated()->language()->getId();
$translation_langcodes = array_keys($entity->getTranslationLanguages());
$table_mapping = $this->getTableMapping();
if (!isset($vid)) {
$vid = $id;
}
foreach ($this->entityManager->getFieldDefinitions($entity_type, $bundle) as $field_name => $field_definition) {
$storage_definition = $field_definition->getFieldStorageDefinition();
if (!$table_mapping->requiresDedicatedTableStorage($storage_definition)) {
continue;
}
$table_name = $table_mapping->getDedicatedDataTableName($storage_definition);
$revision_name = $table_mapping->getDedicatedRevisionTableName($storage_definition);
// Delete and insert, rather than update, in case a value was added.
if ($update) {
// Only overwrite the field's base table if saving the default revision
// of an entity.
if ($entity->isDefaultRevision()) {
$this->database->delete($table_name)->condition('entity_id', $id)->execute();
}
if ($this->entityType->isRevisionable()) {
$this->database->delete($revision_name)->condition('entity_id', $id)->condition('revision_id', $vid)->execute();
}
}
// Prepare the multi-insert query.
$do_insert = FALSE;
$columns = array('entity_id', 'revision_id', 'bundle', 'delta', 'langcode');
foreach ($storage_definition->getColumns() as $column => $attributes) {
$columns[] = $table_mapping->getFieldColumnName($storage_definition, $column);
}
$query = $this->database->insert($table_name)->fields($columns);
if ($this->entityType->isRevisionable()) {
$revision_query = $this->database->insert($revision_name)->fields($columns);
}
$langcodes = $field_definition->isTranslatable() ? $translation_langcodes : array($default_langcode);
foreach ($langcodes as $langcode) {
$delta_count = 0;
$items = $entity->getTranslation($langcode)->get($field_name);
$items->filterEmptyItems();
foreach ($items as $delta => $item) {
// We now know we have something to insert.
$do_insert = TRUE;
$record = array('entity_id' => $id, 'revision_id' => $vid, 'bundle' => $bundle, 'delta' => $delta, 'langcode' => $langcode);
foreach ($storage_definition->getColumns() as $column => $attributes) {
$column_name = $table_mapping->getFieldColumnName($storage_definition, $column);
// Serialize the value if specified in the column schema.
$record[$column_name] = !empty($attributes['serialize']) ? serialize($item->{$column}) : $item->{$column};
}
$query->values($record);
if ($this->entityType->isRevisionable()) {
$revision_query->values($record);
}
if ($storage_definition->getCardinality() != FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED && ++$delta_count == $storage_definition->getCardinality()) {
break;
}
}
}
// Execute the query if we have values to insert.
if ($do_insert) {
// Only overwrite the field's base table if saving the default revision
// of an entity.
if ($entity->isDefaultRevision()) {
$query->execute();
}
if ($this->entityType->isRevisionable()) {
$revision_query->execute();
}
}
}
}
protected function checkAccess(ContentEntityInterface $entity, AccountInterface $account, $operation = 'view')
{
$entity_type_id = $entity->getEntityTypeId();
$entity_access = $this->entityManager->getAccessControlHandler($entity_type_id);
/** @var \Drupal\content_entity_base\Entity\Storage\RevisionableStorageInterface|\Drupal\Core\Entity\EntityStorageInterface $entity_storage */
$entity_storage = $this->entityManager->getStorage($entity_type_id);
if (!$entity_storage instanceof RevisionableStorageInterface) {
throw new \InvalidArgumentException('The entity storage has to implement \\Drupal\\content_entity_base\\Entity\\Storage\\RevisionableStorageInterface');
}
$map = ['view' => "view all {$entity_type_id} revisions", 'update' => "revert all {$entity_type_id} revisions", 'delete' => "delete all {$entity_type_id} revisions"];
$bundle = $entity->bundle();
$type_map = ['view' => "view {$entity_type_id} {$bundle} revisions", 'update' => "revert {$entity_type_id} {$bundle} revisions", 'delete' => "delete {$entity_type_id} {$bundle} revisions"];
if (!$entity || !isset($map[$operation]) || !isset($type_map[$operation])) {
// If there was no node to check against, or the $op was not one of the
// supported ones, we return access denied.
return FALSE;
}
// Statically cache access by revision ID, language code, user account ID,
// and operation.
$langcode = $entity->language()->getId();
$cid = $entity->getRevisionId() . ':' . $langcode . ':' . $account->id() . ':' . $operation;
if (!isset($this->access[$cid])) {
// Perform basic permission checks first.
if (!$account->hasPermission($map[$operation]) && !$account->hasPermission($type_map[$operation]) && !$account->hasPermission('administer nodes')) {
$this->access[$cid] = FALSE;
return FALSE;
}
// There should be at least two revisions. If the vid of the given node
// and the vid of the default revision differ, then we already have two
// different revisions so there is no need for a separate database check.
// Also, if you try to revert to or delete the default revision, that's
// not good.
if ($entity->isDefaultRevision() && ($entity_storage->countDefaultLanguageRevisions($entity) == 1 || $operation == 'update' || $operation == 'delete')) {
$this->access[$cid] = FALSE;
} elseif ($account->hasPermission('administer ' . $entity_type_id)) {
$this->access[$cid] = TRUE;
} else {
// First check the access to the default revision and finally, if the
// node passed in is not the default revision then access to that, too.
$this->access[$cid] = $entity_access->access($entity_storage->load($entity->id()), $operation, $account) && ($entity->isDefaultRevision() || $entity_access->access($entity, $operation, $account));
}
}
return $this->access[$cid];
}
/**
* {@inheritdoc}
*/
public function onPresave(ContentEntityInterface $entity, $default_revision, $published_state)
{
// This is probably not necessary if configuration is setup correctly.
$entity->setNewRevision(TRUE);
$entity->isDefaultRevision($default_revision);
}
