/**
* Adds base field info to an entity type.
*
* @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
* Entity type for adding base fields to.
*
* @return \Drupal\Core\Field\BaseFieldDefinition[]
* New fields added by moderation state.
*/
public function entityBaseFieldInfo(EntityTypeInterface $entity_type)
{
if ($entity_type->isRevisionable()) {
$fields = [];
// @todo write a test for this.
$fields['moderation_state'] = BaseFieldDefinition::create('entity_reference')->setLabel(t('Moderation state'))->setDescription(t('The moderation state of this piece of content.'))->setSetting('target_type', 'moderation_state')->setTargetEntityTypeId($entity_type->id())->setRevisionable(TRUE)->setDisplayOptions('view', ['label' => 'hidden', 'type' => 'string', 'weight' => -5])->setDisplayOptions('form', ['type' => 'moderation_state_default', 'weight' => 5, 'settings' => []])->addConstraint('ModerationState', [])->setDisplayConfigurable('form', FALSE)->setDisplayConfigurable('view', TRUE);
return $fields;
}
return [];
}
/**
* Detects whether there is a change in the shared table structure.
*
* @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
* The new entity type.
* @param \Drupal\Core\Entity\EntityTypeInterface $original
* The origin entity type.
*
* @return bool
* Returns TRUE if either the revisionable or translatable flag changes or
* a table has been renamed.
*/
protected function hasSharedTableStructureChange(EntityTypeInterface $entity_type, EntityTypeInterface $original)
{
return $entity_type->isRevisionable() != $original->isRevisionable() || $entity_type->isTranslatable() != $original->isTranslatable() || $this->hasSharedTableNameChanges($entity_type, $original);
}
/**
* {@inheritdoc}
*/
public function onEntityTypeUpdate(EntityTypeInterface $entity_type, EntityTypeInterface $original)
{
$changes = [];
// We implement a specific logic for table updates, which is bound to the
// default sql content entity storage.
if (!$this->entityManager->getStorage($entity_type->id()) instanceof SqlContentEntityStorage) {
return;
}
if ($entity_type->getBaseTable() != $original->getBaseTable()) {
$changes[] = static::BASE_TABLE_RENAME;
}
$revision_add = $entity_type->isRevisionable() && !$original->isRevisionable();
$revision_remove = !$entity_type->isRevisionable() && $original->isRevisionable();
$translation_add = $entity_type->isTranslatable() && !$original->isTranslatable();
$translation_remove = !$entity_type->isTranslatable() && $original->isTranslatable();
if ($revision_add) {
$changes[] = static::REVISION_TABLE_ADDITION;
} elseif ($revision_remove) {
$changes[] = static::REVISION_TABLE_REMOVAL;
} elseif ($entity_type->isRevisionable() && $entity_type->getRevisionTable() != $original->getRevisionTable()) {
$changes[] = static::REVISION_TABLE_RENAME;
}
if ($translation_add) {
$changes[] = static::DATA_TABLE_ADDITION;
} elseif ($translation_remove) {
$changes[] = static::DATA_TABLE_REMOVAL;
} elseif ($entity_type->isTranslatable() && $entity_type->getDataTable() != $original->getDataTable()) {
$changes[] = static::DATA_TABLE_RENAME;
}
if ($entity_type->isRevisionable() && $entity_type->isTranslatable()) {
if ($revision_add || $translation_add) {
$changes[] = static::REVISION_DATA_TABLE_ADDITION;
} elseif ($entity_type->getRevisionDataTable() != $original->getRevisionDataTable()) {
$changes[] = static::REVISION_DATA_TABLE_RENAME;
}
} elseif ($original->isRevisionable() && $original->isTranslatable() && ($revision_remove || $translation_remove)) {
$changes[] = static::REVISION_DATA_TABLE_REMOVAL;
}
/** @var \Drupal\views\Entity\View[] $all_views */
$all_views = $this->entityManager->getStorage('view')->loadMultiple(NULL);
foreach ($changes as $change) {
switch ($change) {
case static::BASE_TABLE_RENAME:
$this->baseTableRename($all_views, $entity_type->id(), $original->getBaseTable(), $entity_type->getBaseTable());
break;
case static::DATA_TABLE_RENAME:
$this->dataTableRename($all_views, $entity_type->id(), $original->getDataTable(), $entity_type->getDataTable());
break;
case static::DATA_TABLE_ADDITION:
$this->dataTableAddition($all_views, $entity_type, $entity_type->getDataTable(), $entity_type->getBaseTable());
break;
case static::DATA_TABLE_REMOVAL:
$this->dataTableRemoval($all_views, $entity_type->id(), $original->getDataTable(), $entity_type->getBaseTable());
break;
case static::REVISION_TABLE_RENAME:
$this->baseTableRename($all_views, $entity_type->id(), $original->getRevisionTable(), $entity_type->getRevisionTable());
break;
case static::REVISION_TABLE_ADDITION:
// If we add revision support we don't have to do anything.
break;
case static::REVISION_TABLE_REMOVAL:
$this->revisionRemoval($all_views, $original);
break;
case static::REVISION_DATA_TABLE_RENAME:
$this->dataTableRename($all_views, $entity_type->id(), $original->getRevisionDataTable(), $entity_type->getRevisionDataTable());
break;
case static::REVISION_DATA_TABLE_ADDITION:
$this->dataTableAddition($all_views, $entity_type, $entity_type->getRevisionDataTable(), $entity_type->getRevisionTable());
break;
case static::REVISION_DATA_TABLE_REMOVAL:
$this->dataTableRemoval($all_views, $entity_type->id(), $original->getRevisionDataTable(), $entity_type->getRevisionTable());
break;
}
}
foreach ($all_views as $view) {
// All changes done to the views here can be trusted and this might be
// called during updates, when it is not safe to rely on configuration
// containing valid schema. Trust the data and disable schema validation
// and casting.
$view->trustData()->save();
}
}
/**
* {@inheritdoc}
*/
public function getViewsData()
{
$data = [];
$base_table = $this->entityType->getBaseTable() ?: $this->entityType->id();
$views_revision_base_table = NULL;
$revisionable = $this->entityType->isRevisionable();
$base_field = $this->entityType->getKey('id');
$revision_table = '';
if ($revisionable) {
$revision_table = $this->entityType->getRevisionTable() ?: $this->entityType->id() . '_revision';
}
$translatable = $this->entityType->isTranslatable();
$data_table = '';
if ($translatable) {
$data_table = $this->entityType->getDataTable() ?: $this->entityType->id() . '_field_data';
}
// Some entity types do not have a revision data table defined, but still
// have a revision table name set in
// \Drupal\Core\Entity\Sql\SqlContentEntityStorage::initTableLayout() so we
// apply the same kind of logic.
$revision_data_table = '';
if ($revisionable && $translatable) {
$revision_data_table = $this->entityType->getRevisionDataTable() ?: $this->entityType->id() . '_field_revision';
}
$revision_field = $this->entityType->getKey('revision');
// Setup base information of the views data.
$data[$base_table]['table']['group'] = $this->entityType->getLabel();
$data[$base_table]['table']['provider'] = $this->entityType->getProvider();
$views_base_table = $base_table;
if ($data_table) {
$views_base_table = $data_table;
}
$data[$views_base_table]['table']['base'] = ['field' => $base_field, 'title' => $this->entityType->getLabel(), 'cache_contexts' => $this->entityType->getListCacheContexts()];
$data[$base_table]['table']['entity revision'] = FALSE;
if ($label_key = $this->entityType->getKey('label')) {
if ($data_table) {
$data[$views_base_table]['table']['base']['defaults'] = array('field' => $label_key, 'table' => $data_table);
} else {
$data[$views_base_table]['table']['base']['defaults'] = array('field' => $label_key);
}
}
// Entity types must implement a list_builder in order to use Views'
// entity operations field.
if ($this->entityType->hasListBuilderClass()) {
$data[$base_table]['operations'] = array('field' => array('title' => $this->t('Operations links'), 'help' => $this->t('Provides links to perform entity operations.'), 'id' => 'entity_operations'));
}
if ($this->entityType->hasViewBuilderClass()) {
$data[$base_table]['rendered_entity'] = ['field' => ['title' => $this->t('Rendered entity'), 'help' => $this->t('Renders an entity in a view mode.'), 'id' => 'rendered_entity']];
}
// Setup relations to the revisions/property data.
if ($data_table) {
$data[$base_table]['table']['join'][$data_table] = ['left_field' => $base_field, 'field' => $base_field, 'type' => 'INNER'];
$data[$data_table]['table']['group'] = $this->entityType->getLabel();
$data[$data_table]['table']['provider'] = $this->entityType->getProvider();
$data[$data_table]['table']['entity revision'] = FALSE;
}
if ($revision_table) {
$data[$revision_table]['table']['group'] = $this->t('@entity_type revision', ['@entity_type' => $this->entityType->getLabel()]);
$data[$revision_table]['table']['provider'] = $this->entityType->getProvider();
$views_revision_base_table = $revision_table;
if ($revision_data_table) {
$views_revision_base_table = $revision_data_table;
}
$data[$views_revision_base_table]['table']['entity revision'] = TRUE;
$data[$views_revision_base_table]['table']['base'] = array('field' => $revision_field, 'title' => $this->t('@entity_type revisions', array('@entity_type' => $this->entityType->getLabel())));
// Join the revision table to the base table.
$data[$views_revision_base_table]['table']['join'][$views_base_table] = array('left_field' => $revision_field, 'field' => $revision_field, 'type' => 'INNER');
if ($revision_data_table) {
$data[$revision_data_table]['table']['group'] = $this->t('@entity_type revision', ['@entity_type' => $this->entityType->getLabel()]);
$data[$revision_data_table]['table']['entity revision'] = TRUE;
$data[$revision_table]['table']['join'][$revision_data_table] = array('left_field' => $revision_field, 'field' => $revision_field, 'type' => 'INNER');
}
}
$this->addEntityLinks($data[$base_table]);
// Load all typed data definitions of all fields. This should cover each of
// the entity base, revision, data tables.
$field_definitions = $this->entityManager->getBaseFieldDefinitions($this->entityType->id());
/** @var \Drupal\Core\Entity\Sql\DefaultTableMapping $table_mapping */
if ($table_mapping = $this->storage->getTableMapping($field_definitions)) {
// Fetch all fields that can appear in both the base table and the data
// table.
$entity_keys = $this->entityType->getKeys();
$duplicate_fields = array_intersect_key($entity_keys, array_flip(['id', 'revision', 'bundle']));
// Iterate over each table we have so far and collect field data for each.
// Based on whether the field is in the field_definitions provided by the
// entity manager.
// @todo We should better just rely on information coming from the entity
// storage.
// @todo https://www.drupal.org/node/2337511
foreach ($table_mapping->getTableNames() as $table) {
foreach ($table_mapping->getFieldNames($table) as $field_name) {
// To avoid confusing duplication in the user interface, for fields
// that are on both base and data tables, only add them on the data
// table (same for revision vs. revision data).
if ($data_table && ($table === $base_table || $table === $revision_table) && in_array($field_name, $duplicate_fields)) {
continue;
}
$this->mapFieldDefinition($table, $field_name, $field_definitions[$field_name], $table_mapping, $data[$table]);
}
}
foreach ($field_definitions as $field_definition) {
if ($table_mapping->requiresDedicatedTableStorage($field_definition->getFieldStorageDefinition())) {
$table = $table_mapping->getDedicatedDataTableName($field_definition->getFieldStorageDefinition());
$data[$table]['table']['group'] = $this->entityType->getLabel();
$data[$table]['table']['provider'] = $this->entityType->getProvider();
$data[$table]['table']['join'][$views_base_table] = ['left_field' => $base_field, 'field' => 'entity_id', 'extra' => [['field' => 'deleted', 'value' => 0, 'numeric' => TRUE]]];
if ($revisionable) {
$revision_table = $table_mapping->getDedicatedRevisionTableName($field_definition->getFieldStorageDefinition());
$data[$revision_table]['table']['group'] = $this->t('@entity_type revision', ['@entity_type' => $this->entityType->getLabel()]);
$data[$revision_table]['table']['provider'] = $this->entityType->getProvider();
$data[$revision_table]['table']['join'][$views_revision_base_table] = ['left_field' => $revision_field, 'field' => 'entity_id', 'extra' => [['field' => 'deleted', 'value' => 0, 'numeric' => TRUE]]];
}
}
}
}
// Add the entity type key to each table generated.
$entity_type_id = $this->entityType->id();
array_walk($data, function (&$table_data) use($entity_type_id) {
$table_data['table']['entity type'] = $entity_type_id;
});
return $data;
}
/**
* {@inheritdoc}
*/
public static function baseFieldDefinitions(EntityTypeInterface $entity_type)
{
$fields = [];
if ($entity_type->hasKey('id')) {
$fields[$entity_type->getKey('id')] = BaseFieldDefinition::create('integer')->setLabel(new TranslatableMarkup('ID'))->setReadOnly(TRUE)->setSetting('unsigned', TRUE);
}
if ($entity_type->hasKey('uuid')) {
$fields[$entity_type->getKey('uuid')] = BaseFieldDefinition::create('uuid')->setLabel(new TranslatableMarkup('UUID'))->setReadOnly(TRUE);
}
if ($entity_type->hasKey('revision')) {
$fields[$entity_type->getKey('revision')] = BaseFieldDefinition::create('integer')->setLabel(new TranslatableMarkup('Revision ID'))->setReadOnly(TRUE)->setSetting('unsigned', TRUE);
}
if ($entity_type->hasKey('langcode')) {
$fields[$entity_type->getKey('langcode')] = BaseFieldDefinition::create('language')->setLabel(new TranslatableMarkup('Language'))->setDisplayOptions('view', ['type' => 'hidden'])->setDisplayOptions('form', ['type' => 'language_select', 'weight' => 2]);
if ($entity_type->isRevisionable()) {
$fields[$entity_type->getKey('langcode')]->setRevisionable(TRUE);
}
if ($entity_type->isTranslatable()) {
$fields[$entity_type->getKey('langcode')]->setTranslatable(TRUE);
}
}
if ($entity_type->hasKey('bundle')) {
if ($bundle_entity_type_id = $entity_type->getBundleEntityType()) {
$fields[$entity_type->getKey('bundle')] = BaseFieldDefinition::create('entity_reference')->setLabel($entity_type->getBundleLabel())->setSetting('target_type', $bundle_entity_type_id)->setRequired(TRUE)->setReadOnly(TRUE);
} else {
$fields[$entity_type->getKey('bundle')] = BaseFieldDefinition::create('string')->setLabel($entity_type->getBundleLabel())->setRequired(TRUE)->setReadOnly(TRUE);
}
}
return $fields;
}
/**
* {@inheritdoc}
*/
public function requiresEntityStorageSchemaChanges(EntityTypeInterface $entity_type, EntityTypeInterface $original)
{
return $entity_type->getStorageClass() != $original->getStorageClass() || $entity_type->isRevisionable() != $original->isRevisionable() || $entity_type->isTranslatable() != $original->isTranslatable() || $this->getEntitySchemaData($entity_type, $this->getEntitySchema($entity_type, TRUE)) != $this->loadEntitySchemaData($original);
}
