3 namespace Drupal\Core\Entity;
5 use Drupal\Core\Cache\Cache;
6 use Drupal\Core\Cache\CacheBackendInterface;
7 use Drupal\Core\Cache\UseCacheBackendTrait;
8 use Drupal\Core\Extension\ModuleHandlerInterface;
9 use Drupal\Core\Field\BaseFieldDefinition;
10 use Drupal\Core\KeyValueStore\KeyValueFactoryInterface;
11 use Drupal\Core\Language\LanguageManagerInterface;
12 use Drupal\Core\StringTranslation\StringTranslationTrait;
13 use Drupal\Core\TypedData\TypedDataManagerInterface;
16 * Manages the discovery of entity fields.
18 * This includes field definitions, base field definitions, and field storage
21 class EntityFieldManager implements EntityFieldManagerInterface {
23 use UseCacheBackendTrait;
24 use StringTranslationTrait;
27 * Extra fields by bundle.
31 protected $extraFields = [];
34 * Static cache of base field definitions.
38 protected $baseFieldDefinitions;
41 * Static cache of field definitions per bundle and entity type.
45 protected $fieldDefinitions;
48 * Static cache of field storage definitions per entity type.
50 * Elements of the array:
51 * - $entity_type_id: \Drupal\Core\Field\BaseFieldDefinition[]
55 protected $fieldStorageDefinitions;
58 * An array keyed by entity type. Each value is an array whose keys are
59 * field names and whose value is an array with two entries:
60 * - type: The field type.
61 * - bundles: The bundles in which the field appears.
65 protected $fieldMap = [];
68 * An array keyed by field type. Each value is an array whose key are entity
69 * types including arrays in the same form that $fieldMap.
71 * It helps access the mapping between types and fields by the field type.
75 protected $fieldMapByFieldType = [];
78 * The typed data manager.
80 * @var \Drupal\Core\TypedData\TypedDataManagerInterface
82 protected $typedDataManager;
85 * The language manager.
87 * @var \Drupal\Core\Language\LanguageManagerInterface
89 protected $languageManager;
92 * The key-value factory.
94 * @var \Drupal\Core\KeyValueStore\KeyValueFactoryInterface
96 protected $keyValueFactory;
101 * @var \Drupal\Core\Extension\ModuleHandlerInterface
103 protected $moduleHandler;
106 * The entity type manager.
108 * @var \Drupal\Core\Entity\EntityTypeManagerInterface
110 protected $entityTypeManager;
113 * The entity type bundle info.
115 * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
117 protected $entityTypeBundleInfo;
120 * The entity display repository.
122 * @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface
124 protected $entityDisplayRepository;
127 * Constructs a new EntityFieldManager.
129 * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
130 * The entity type manager.
131 * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
132 * The entity type bundle info.
133 * @param \Drupal\Core\Entity\EntityDisplayRepositoryInterface $entity_display_repository
134 * The entity display repository.
135 * @param \Drupal\Core\TypedData\TypedDataManagerInterface $typed_data_manager
136 * The typed data manager.
137 * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
138 * The language manager.
139 * @param \Drupal\Core\KeyValueStore\KeyValueFactoryInterface $key_value_factory
140 * The key-value factory.
141 * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
142 * The module handler.
143 * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
146 public function __construct(EntityTypeManagerInterface $entity_type_manager, EntityTypeBundleInfoInterface $entity_type_bundle_info, EntityDisplayRepositoryInterface $entity_display_repository, TypedDataManagerInterface $typed_data_manager, LanguageManagerInterface $language_manager, KeyValueFactoryInterface $key_value_factory, ModuleHandlerInterface $module_handler, CacheBackendInterface $cache_backend) {
147 $this->entityTypeManager = $entity_type_manager;
148 $this->entityTypeBundleInfo = $entity_type_bundle_info;
149 $this->entityDisplayRepository = $entity_display_repository;
151 $this->typedDataManager = $typed_data_manager;
152 $this->languageManager = $language_manager;
153 $this->keyValueFactory = $key_value_factory;
154 $this->moduleHandler = $module_handler;
155 $this->cacheBackend = $cache_backend;
161 public function getBaseFieldDefinitions($entity_type_id) {
162 // Check the static cache.
163 if (!isset($this->baseFieldDefinitions[$entity_type_id])) {
164 // Not prepared, try to load from cache.
165 $cid = 'entity_base_field_definitions:' . $entity_type_id . ':' . $this->languageManager->getCurrentLanguage()->getId();
166 if ($cache = $this->cacheGet($cid)) {
167 $this->baseFieldDefinitions[$entity_type_id] = $cache->data;
170 // Rebuild the definitions and put it into the cache.
171 $this->baseFieldDefinitions[$entity_type_id] = $this->buildBaseFieldDefinitions($entity_type_id);
172 $this->cacheSet($cid, $this->baseFieldDefinitions[$entity_type_id], Cache::PERMANENT, ['entity_types', 'entity_field_info']);
175 return $this->baseFieldDefinitions[$entity_type_id];
179 * Builds base field definitions for an entity type.
181 * @param string $entity_type_id
182 * The entity type ID. Only entity types that implement
183 * \Drupal\Core\Entity\FieldableEntityInterface are supported.
185 * @return \Drupal\Core\Field\FieldDefinitionInterface[]
186 * An array of field definitions, keyed by field name.
188 * @throws \LogicException
189 * Thrown if a config entity type is given or if one of the entity keys is
190 * flagged as translatable.
192 protected function buildBaseFieldDefinitions($entity_type_id) {
193 $entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
194 $class = $entity_type->getClass();
195 $keys = array_filter($entity_type->getKeys());
197 // Fail with an exception for non-fieldable entity types.
198 if (!$entity_type->entityClassImplements(FieldableEntityInterface::class)) {
199 throw new \LogicException("Getting the base fields is not supported for entity type {$entity_type->getLabel()}.");
202 // Retrieve base field definitions.
203 /** @var \Drupal\Core\Field\FieldStorageDefinitionInterface[] $base_field_definitions */
204 $base_field_definitions = $class::baseFieldDefinitions($entity_type);
206 // Make sure translatable entity types are correctly defined.
207 if ($entity_type->isTranslatable()) {
208 // The langcode field should always be translatable if the entity type is.
209 if (isset($keys['langcode']) && isset($base_field_definitions[$keys['langcode']])) {
210 $base_field_definitions[$keys['langcode']]->setTranslatable(TRUE);
212 // A default_langcode field should always be defined.
213 if (!isset($base_field_definitions[$keys['default_langcode']])) {
214 $base_field_definitions[$keys['default_langcode']] = BaseFieldDefinition::create('boolean')
215 ->setLabel($this->t('Default translation'))
216 ->setDescription($this->t('A flag indicating whether this is the default translation.'))
217 ->setTranslatable(TRUE)
218 ->setRevisionable(TRUE)
219 ->setDefaultValue(TRUE);
223 // Make sure that revisionable entity types are correctly defined.
224 if ($entity_type->isRevisionable() && $entity_type->isTranslatable()) {
225 // The 'revision_translation_affected' field should always be defined.
226 // This field has been added unconditionally in Drupal 8.4.0 and it is
227 // overriding any pre-existing definition on purpose so that any
228 // differences are immediately available in the status report.
229 $base_field_definitions[$keys['revision_translation_affected']] = BaseFieldDefinition::create('boolean')
230 ->setLabel($this->t('Revision translation affected'))
231 ->setDescription($this->t('Indicates if the last edit of a translation belongs to current revision.'))
233 ->setRevisionable(TRUE)
234 ->setTranslatable(TRUE);
237 // Assign base field definitions the entity type provider.
238 $provider = $entity_type->getProvider();
239 foreach ($base_field_definitions as $definition) {
240 // @todo Remove this check once FieldDefinitionInterface exposes a proper
241 // provider setter. See https://www.drupal.org/node/2225961.
242 if ($definition instanceof BaseFieldDefinition) {
243 $definition->setProvider($provider);
247 // Retrieve base field definitions from modules.
248 foreach ($this->moduleHandler->getImplementations('entity_base_field_info') as $module) {
249 $module_definitions = $this->moduleHandler->invoke($module, 'entity_base_field_info', [$entity_type]);
250 if (!empty($module_definitions)) {
251 // Ensure the provider key actually matches the name of the provider
252 // defining the field.
253 foreach ($module_definitions as $field_name => $definition) {
254 // @todo Remove this check once FieldDefinitionInterface exposes a
255 // proper provider setter. See https://www.drupal.org/node/2225961.
256 if ($definition instanceof BaseFieldDefinition && $definition->getProvider() == NULL) {
257 $definition->setProvider($module);
259 $base_field_definitions[$field_name] = $definition;
264 // Automatically set the field name, target entity type and bundle
265 // for non-configurable fields.
266 foreach ($base_field_definitions as $field_name => $base_field_definition) {
267 if ($base_field_definition instanceof BaseFieldDefinition) {
268 $base_field_definition->setName($field_name);
269 $base_field_definition->setTargetEntityTypeId($entity_type_id);
270 $base_field_definition->setTargetBundle(NULL);
274 // Invoke alter hook.
275 $this->moduleHandler->alter('entity_base_field_info', $base_field_definitions, $entity_type);
277 // Ensure defined entity keys are there and have proper revisionable and
278 // translatable values.
279 foreach (array_intersect_key($keys, array_flip(['id', 'revision', 'uuid', 'bundle'])) as $key => $field_name) {
280 if (!isset($base_field_definitions[$field_name])) {
281 throw new \LogicException("The $field_name field definition does not exist and it is used as $key entity key.");
283 if ($base_field_definitions[$field_name]->isRevisionable()) {
284 throw new \LogicException("The {$base_field_definitions[$field_name]->getLabel()} field cannot be revisionable as it is used as $key entity key.");
286 if ($base_field_definitions[$field_name]->isTranslatable()) {
287 throw new \LogicException("The {$base_field_definitions[$field_name]->getLabel()} field cannot be translatable as it is used as $key entity key.");
291 // Make sure translatable entity types define the "langcode" field properly.
292 if ($entity_type->isTranslatable() && (!isset($keys['langcode']) || !isset($base_field_definitions[$keys['langcode']]) || !$base_field_definitions[$keys['langcode']]->isTranslatable())) {
293 throw new \LogicException("The {$entity_type->getLabel()} entity type cannot be translatable as it does not define a translatable \"langcode\" field.");
296 return $base_field_definitions;
302 public function getFieldDefinitions($entity_type_id, $bundle) {
303 if (!isset($this->fieldDefinitions[$entity_type_id][$bundle])) {
304 $base_field_definitions = $this->getBaseFieldDefinitions($entity_type_id);
305 // Not prepared, try to load from cache.
306 $cid = 'entity_bundle_field_definitions:' . $entity_type_id . ':' . $bundle . ':' . $this->languageManager->getCurrentLanguage()->getId();
307 if ($cache = $this->cacheGet($cid)) {
308 $bundle_field_definitions = $cache->data;
311 // Rebuild the definitions and put it into the cache.
312 $bundle_field_definitions = $this->buildBundleFieldDefinitions($entity_type_id, $bundle, $base_field_definitions);
313 $this->cacheSet($cid, $bundle_field_definitions, Cache::PERMANENT, ['entity_types', 'entity_field_info']);
315 // Field definitions consist of the bundle specific overrides and the
316 // base fields, merge them together. Use array_replace() to replace base
317 // fields with by bundle overrides and keep them in order, append
318 // additional by bundle fields.
319 $this->fieldDefinitions[$entity_type_id][$bundle] = array_replace($base_field_definitions, $bundle_field_definitions);
321 return $this->fieldDefinitions[$entity_type_id][$bundle];
325 * Builds field definitions for a specific bundle within an entity type.
327 * @param string $entity_type_id
328 * The entity type ID. Only entity types that implement
329 * \Drupal\Core\Entity\FieldableEntityInterface are supported.
330 * @param string $bundle
332 * @param \Drupal\Core\Field\FieldDefinitionInterface[] $base_field_definitions
333 * The list of base field definitions.
335 * @return \Drupal\Core\Field\FieldDefinitionInterface[]
336 * An array of bundle field definitions, keyed by field name. Does
337 * not include base fields.
339 protected function buildBundleFieldDefinitions($entity_type_id, $bundle, array $base_field_definitions) {
340 $entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
341 $class = $entity_type->getClass();
343 // Allow the entity class to provide bundle fields and bundle-specific
344 // overrides of base fields.
345 $bundle_field_definitions = $class::bundleFieldDefinitions($entity_type, $bundle, $base_field_definitions);
347 // Load base field overrides from configuration. These take precedence over
348 // base field overrides returned above.
349 $base_field_override_ids = array_map(function ($field_name) use ($entity_type_id, $bundle) {
350 return $entity_type_id . '.' . $bundle . '.' . $field_name;
351 }, array_keys($base_field_definitions));
352 $base_field_overrides = $this->entityTypeManager->getStorage('base_field_override')->loadMultiple($base_field_override_ids);
353 foreach ($base_field_overrides as $base_field_override) {
354 /** @var \Drupal\Core\Field\Entity\BaseFieldOverride $base_field_override */
355 $field_name = $base_field_override->getName();
356 $bundle_field_definitions[$field_name] = $base_field_override;
359 $provider = $entity_type->getProvider();
360 foreach ($bundle_field_definitions as $definition) {
361 // @todo Remove this check once FieldDefinitionInterface exposes a proper
362 // provider setter. See https://www.drupal.org/node/2225961.
363 if ($definition instanceof BaseFieldDefinition) {
364 $definition->setProvider($provider);
368 // Retrieve base field definitions from modules.
369 foreach ($this->moduleHandler->getImplementations('entity_bundle_field_info') as $module) {
370 $module_definitions = $this->moduleHandler->invoke($module, 'entity_bundle_field_info', [$entity_type, $bundle, $base_field_definitions]);
371 if (!empty($module_definitions)) {
372 // Ensure the provider key actually matches the name of the provider
373 // defining the field.
374 foreach ($module_definitions as $field_name => $definition) {
375 // @todo Remove this check once FieldDefinitionInterface exposes a
376 // proper provider setter. See https://www.drupal.org/node/2225961.
377 if ($definition instanceof BaseFieldDefinition) {
378 $definition->setProvider($module);
380 $bundle_field_definitions[$field_name] = $definition;
385 // Automatically set the field name, target entity type and bundle
386 // for non-configurable fields.
387 foreach ($bundle_field_definitions as $field_name => $field_definition) {
388 if ($field_definition instanceof BaseFieldDefinition) {
389 $field_definition->setName($field_name);
390 $field_definition->setTargetEntityTypeId($entity_type_id);
391 $field_definition->setTargetBundle($bundle);
395 // Invoke 'per bundle' alter hook.
396 $this->moduleHandler->alter('entity_bundle_field_info', $bundle_field_definitions, $entity_type, $bundle);
398 return $bundle_field_definitions;
404 public function getFieldStorageDefinitions($entity_type_id) {
405 if (!isset($this->fieldStorageDefinitions[$entity_type_id])) {
406 $this->fieldStorageDefinitions[$entity_type_id] = [];
407 // Add all non-computed base fields.
408 foreach ($this->getBaseFieldDefinitions($entity_type_id) as $field_name => $definition) {
409 if (!$definition->isComputed()) {
410 $this->fieldStorageDefinitions[$entity_type_id][$field_name] = $definition;
413 // Not prepared, try to load from cache.
414 $cid = 'entity_field_storage_definitions:' . $entity_type_id . ':' . $this->languageManager->getCurrentLanguage()->getId();
415 if ($cache = $this->cacheGet($cid)) {
416 $field_storage_definitions = $cache->data;
419 // Rebuild the definitions and put it into the cache.
420 $field_storage_definitions = $this->buildFieldStorageDefinitions($entity_type_id);
421 $this->cacheSet($cid, $field_storage_definitions, Cache::PERMANENT, ['entity_types', 'entity_field_info']);
423 $this->fieldStorageDefinitions[$entity_type_id] += $field_storage_definitions;
425 return $this->fieldStorageDefinitions[$entity_type_id];
431 public function setFieldMap(array $field_map) {
432 $this->fieldMap = $field_map;
439 public function getFieldMap() {
440 if (!$this->fieldMap) {
441 // Not prepared, try to load from cache.
442 $cid = 'entity_field_map';
443 if ($cache = $this->cacheGet($cid)) {
444 $this->fieldMap = $cache->data;
447 // The field map is built in two steps. First, add all base fields, by
448 // looping over all fieldable entity types. They always exist for all
449 // bundles, and we do not expect to have so many different entity
450 // types for this to become a bottleneck.
451 foreach ($this->entityTypeManager->getDefinitions() as $entity_type_id => $entity_type) {
452 if ($entity_type->entityClassImplements(FieldableEntityInterface::class)) {
453 $bundles = array_keys($this->entityTypeBundleInfo->getBundleInfo($entity_type_id));
454 foreach ($this->getBaseFieldDefinitions($entity_type_id) as $field_name => $base_field_definition) {
455 $this->fieldMap[$entity_type_id][$field_name] = [
456 'type' => $base_field_definition->getType(),
457 'bundles' => array_combine($bundles, $bundles),
463 // In the second step, the per-bundle fields are added, based on the
464 // persistent bundle field map stored in a key value collection. This
465 // data is managed in the EntityManager::onFieldDefinitionCreate()
466 // and EntityManager::onFieldDefinitionDelete() methods. Rebuilding this
467 // information in the same way as base fields would not scale, as the
468 // time to query would grow exponentially with more fields and bundles.
469 // A cache would be deleted during cache clears, which is the only time
470 // it is needed, so a key value collection is used.
471 $bundle_field_maps = $this->keyValueFactory->get('entity.definitions.bundle_field_map')->getAll();
472 foreach ($bundle_field_maps as $entity_type_id => $bundle_field_map) {
473 foreach ($bundle_field_map as $field_name => $map_entry) {
474 if (!isset($this->fieldMap[$entity_type_id][$field_name])) {
475 $this->fieldMap[$entity_type_id][$field_name] = $map_entry;
478 $this->fieldMap[$entity_type_id][$field_name]['bundles'] += $map_entry['bundles'];
483 $this->cacheSet($cid, $this->fieldMap, Cache::PERMANENT, ['entity_types']);
486 return $this->fieldMap;
492 public function getFieldMapByFieldType($field_type) {
493 if (!isset($this->fieldMapByFieldType[$field_type])) {
495 $map = $this->getFieldMap();
496 foreach ($map as $entity_type => $fields) {
497 foreach ($fields as $field_name => $field_info) {
498 if ($field_info['type'] == $field_type) {
499 $filtered_map[$entity_type][$field_name] = $field_info;
503 $this->fieldMapByFieldType[$field_type] = $filtered_map;
505 return $this->fieldMapByFieldType[$field_type];
509 * Builds field storage definitions for an entity type.
511 * @param string $entity_type_id
512 * The entity type ID. Only entity types that implement
513 * \Drupal\Core\Entity\FieldableEntityInterface are supported
515 * @return \Drupal\Core\Field\FieldStorageDefinitionInterface[]
516 * An array of field storage definitions, keyed by field name.
518 protected function buildFieldStorageDefinitions($entity_type_id) {
519 $entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
520 $field_definitions = [];
522 // Retrieve base field definitions from modules.
523 foreach ($this->moduleHandler->getImplementations('entity_field_storage_info') as $module) {
524 $module_definitions = $this->moduleHandler->invoke($module, 'entity_field_storage_info', [$entity_type]);
525 if (!empty($module_definitions)) {
526 // Ensure the provider key actually matches the name of the provider
527 // defining the field.
528 foreach ($module_definitions as $field_name => $definition) {
529 // @todo Remove this check once FieldDefinitionInterface exposes a
530 // proper provider setter. See https://www.drupal.org/node/2225961.
531 if ($definition instanceof BaseFieldDefinition) {
532 $definition->setProvider($module);
534 $field_definitions[$field_name] = $definition;
539 // Invoke alter hook.
540 $this->moduleHandler->alter('entity_field_storage_info', $field_definitions, $entity_type);
542 return $field_definitions;
548 public function clearCachedFieldDefinitions() {
549 $this->baseFieldDefinitions = [];
550 $this->fieldDefinitions = [];
551 $this->fieldStorageDefinitions = [];
552 $this->fieldMap = [];
553 $this->fieldMapByFieldType = [];
554 $this->entityDisplayRepository->clearDisplayModeInfo();
555 $this->extraFields = [];
556 Cache::invalidateTags(['entity_field_info']);
557 // The typed data manager statically caches prototype objects with injected
558 // definitions, clear those as well.
559 $this->typedDataManager->clearCachedDefinitions();
565 public function useCaches($use_caches = FALSE) {
566 $this->useCaches = $use_caches;
568 $this->fieldDefinitions = [];
569 $this->baseFieldDefinitions = [];
570 $this->fieldStorageDefinitions = [];
577 public function getExtraFields($entity_type_id, $bundle) {
578 // Read from the "static" cache.
579 if (isset($this->extraFields[$entity_type_id][$bundle])) {
580 return $this->extraFields[$entity_type_id][$bundle];
583 // Read from the persistent cache. Since hook_entity_extra_field_info() and
584 // hook_entity_extra_field_info_alter() might contain t() calls, we cache
586 $cache_id = 'entity_bundle_extra_fields:' . $entity_type_id . ':' . $bundle . ':' . $this->languageManager->getCurrentLanguage()->getId();
587 $cached = $this->cacheGet($cache_id);
589 $this->extraFields[$entity_type_id][$bundle] = $cached->data;
590 return $this->extraFields[$entity_type_id][$bundle];
593 $extra = $this->moduleHandler->invokeAll('entity_extra_field_info');
594 $this->moduleHandler->alter('entity_extra_field_info', $extra);
595 $info = isset($extra[$entity_type_id][$bundle]) ? $extra[$entity_type_id][$bundle] : [];
601 // Store in the 'static' and persistent caches.
602 $this->extraFields[$entity_type_id][$bundle] = $info;
603 $this->cacheSet($cache_id, $info, Cache::PERMANENT, [
607 return $this->extraFields[$entity_type_id][$bundle];