Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\field;
Chris@0: 
Chris@0: use Drupal\Component\Uuid\UuidInterface;
Chris@17: use Drupal\Core\Cache\MemoryCache\MemoryCacheInterface;
Chris@0: use Drupal\Core\Config\Entity\ConfigEntityStorage;
Chris@0: use Drupal\Core\Entity\EntityInterface;
Chris@0: use Drupal\Core\Entity\EntityManagerInterface;
Chris@0: use Drupal\Core\Entity\EntityTypeInterface;
Chris@14: use Drupal\Core\Field\DeletedFieldsRepositoryInterface;
Chris@0: use Drupal\Core\Field\FieldTypePluginManagerInterface;
Chris@0: use Drupal\Core\Language\LanguageManagerInterface;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Drupal\Core\Config\ConfigFactoryInterface;
Chris@0: use Drupal\Core\Extension\ModuleHandlerInterface;
Chris@0: 
Chris@0: /**
Chris@14:  * Storage handler for "field storage" configuration entities.
Chris@0:  */
Chris@0: class FieldStorageConfigStorage extends ConfigEntityStorage {
Chris@0: 
Chris@0:   /**
Chris@0:    * The module handler.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Extension\ModuleHandlerInterface
Chris@0:    */
Chris@0:   protected $moduleHandler;
Chris@0: 
Chris@0:   /**
Chris@0:    * The entity manager.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityManagerInterface
Chris@0:    */
Chris@0:   protected $entityManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * The field type plugin manager.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Field\FieldTypePluginManagerInterface
Chris@0:    */
Chris@0:   protected $fieldTypeManager;
Chris@0: 
Chris@0:   /**
Chris@14:    * The deleted fields repository.
Chris@14:    *
Chris@14:    * @var \Drupal\Core\Field\DeletedFieldsRepositoryInterface
Chris@14:    */
Chris@14:   protected $deletedFieldsRepository;
Chris@14: 
Chris@14:   /**
Chris@0:    * Constructs a FieldStorageConfigStorage object.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
Chris@0:    *   The entity type definition.
Chris@0:    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
Chris@0:    *   The config factory service.
Chris@0:    * @param \Drupal\Component\Uuid\UuidInterface $uuid_service
Chris@0:    *   The UUID service.
Chris@0:    * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
Chris@0:    *   The language manager.
Chris@0:    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
Chris@0:    *   The entity manager.
Chris@0:    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
Chris@0:    *   The module handler.
Chris@14:    * @param \Drupal\Core\Field\FieldTypePluginManagerInterface $field_type_manager
Chris@0:    *   The field type plugin manager.
Chris@14:    * @param \Drupal\Core\Field\DeletedFieldsRepositoryInterface $deleted_fields_repository
Chris@14:    *   The deleted fields repository.
Chris@17:    * @param \Drupal\Core\Cache\MemoryCache\MemoryCacheInterface $memory_cache
Chris@17:    *   The memory cache.
Chris@0:    */
Chris@17:   public function __construct(EntityTypeInterface $entity_type, ConfigFactoryInterface $config_factory, UuidInterface $uuid_service, LanguageManagerInterface $language_manager, EntityManagerInterface $entity_manager, ModuleHandlerInterface $module_handler, FieldTypePluginManagerInterface $field_type_manager, DeletedFieldsRepositoryInterface $deleted_fields_repository, MemoryCacheInterface $memory_cache) {
Chris@17:     parent::__construct($entity_type, $config_factory, $uuid_service, $language_manager, $memory_cache);
Chris@0:     $this->entityManager = $entity_manager;
Chris@0:     $this->moduleHandler = $module_handler;
Chris@0:     $this->fieldTypeManager = $field_type_manager;
Chris@14:     $this->deletedFieldsRepository = $deleted_fields_repository;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
Chris@0:     return new static(
Chris@0:       $entity_type,
Chris@0:       $container->get('config.factory'),
Chris@0:       $container->get('uuid'),
Chris@0:       $container->get('language_manager'),
Chris@0:       $container->get('entity.manager'),
Chris@0:       $container->get('module_handler'),
Chris@14:       $container->get('plugin.manager.field.field_type'),
Chris@17:       $container->get('entity_field.deleted_fields_repository'),
Chris@17:       $container->get('entity.memory_cache')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function loadByProperties(array $conditions = []) {
Chris@0:     // Include deleted fields if specified in the $conditions parameters.
Chris@0:     $include_deleted = isset($conditions['include_deleted']) ? $conditions['include_deleted'] : FALSE;
Chris@0:     unset($conditions['include_deleted']);
Chris@0: 
Chris@0:     /** @var \Drupal\field\FieldStorageConfigInterface[] $storages */
Chris@0:     $storages = [];
Chris@0: 
Chris@0:     // Get field storages living in configuration. If we are explicitly looking
Chris@0:     // for deleted storages only, this can be skipped, because they will be
Chris@14:     // retrieved from the deleted fields repository below.
Chris@0:     if (empty($conditions['deleted'])) {
Chris@0:       if (isset($conditions['entity_type']) && isset($conditions['field_name'])) {
Chris@0:         // Optimize for the most frequent case where we do have a specific ID.
Chris@0:         $id = $conditions['entity_type'] . $conditions['field_name'];
Chris@0:         $storages = $this->loadMultiple([$id]);
Chris@0:       }
Chris@0:       else {
Chris@0:         // No specific ID, we need to examine all existing storages.
Chris@0:         $storages = $this->loadMultiple();
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@14:     // Merge deleted field storage definitions from the deleted fields
Chris@14:     // repository if needed.
Chris@0:     if ($include_deleted || !empty($conditions['deleted'])) {
Chris@14:       $deleted_storage_definitions = $this->deletedFieldsRepository->getFieldStorageDefinitions();
Chris@14:       foreach ($deleted_storage_definitions as $id => $field_storage_definition) {
Chris@14:         if ($field_storage_definition instanceof FieldStorageConfigInterface) {
Chris@14:           $storages[$id] = $field_storage_definition;
Chris@14:         }
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     // Collect matching fields.
Chris@0:     $matches = [];
Chris@0:     foreach ($storages as $field) {
Chris@0:       foreach ($conditions as $key => $value) {
Chris@0:         // Extract the actual value against which the condition is checked.
Chris@0:         $checked_value = $field->get($key);
Chris@0:         // Skip to the next field as soon as one condition does not match.
Chris@0:         if ($checked_value != $value) {
Chris@0:           continue 2;
Chris@0:         }
Chris@0:       }
Chris@0: 
Chris@0:       // When returning deleted fields, key the results by UUID since they can
Chris@0:       // include several fields with the same ID.
Chris@0:       $key = $include_deleted ? $field->uuid() : $field->id();
Chris@0:       $matches[$key] = $field;
Chris@0:     }
Chris@0: 
Chris@0:     return $matches;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function mapFromStorageRecords(array $records) {
Chris@0:     foreach ($records as $id => &$record) {
Chris@0:       $class = $this->fieldTypeManager->getPluginClass($record['type']);
Chris@0:       if (empty($class)) {
Chris@0:         $config_id = $this->getPrefix() . $id;
Chris@0:         throw new \RuntimeException("Unable to determine class for field type '{$record['type']}' found in the '$config_id' configuration");
Chris@0:       }
Chris@0:       $record['settings'] = $class::storageSettingsFromConfigData($record['settings']);
Chris@0:     }
Chris@0:     return parent::mapFromStorageRecords($records);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function mapToStorageRecord(EntityInterface $entity) {
Chris@0:     $record = parent::mapToStorageRecord($entity);
Chris@0:     $class = $this->fieldTypeManager->getPluginClass($record['type']);
Chris@0:     $record['settings'] = $class::storageSettingsToConfigData($record['settings']);
Chris@0:     return $record;
Chris@0:   }
Chris@0: 
Chris@0: }