*/ class Saver implements SaverInterface { private EntityManager $entityManager; /** @var array*/ private $fieldListMapCache = []; public function __construct(EntityManager $entityManager) { $this->entityManager = $entityManager; } public function process(Entity $entity, Params $params): void { foreach ($this->getFieldList($entity->getEntityType()) as $name) { $this->processItem($entity, $name); } } private function processItem(Entity $entity, string $name): void { $attribute = $name . 'Id'; if (!$entity->get($attribute)) { return; } if (!$entity->isAttributeChanged($attribute)) { return; } $attachment = $this->entityManager->getEntity('Attachment', $entity->get($attribute)); if (!$attachment) { return; } $attachment->set([ 'relatedId' => $entity->getId(), 'relatedType' => $entity->getEntityType(), ]); $this->entityManager->saveEntity($attachment); if ($entity->isNew()) { return; } $previousAttachmentId = $entity->getFetched($attribute); if (!$previousAttachmentId) { return; } $previousAttachment = $this->entityManager->getEntity('Attachment', $previousAttachmentId); if (!$previousAttachment) { return; } $this->entityManager->removeEntity($previousAttachment); } /** * @return string[] */ private function getFieldList(string $entityType): array { if (array_key_exists($entityType, $this->fieldListMapCache)) { return $this->fieldListMapCache[$entityType]; } $entityDefs = $this->entityManager ->getDefs() ->getEntity($entityType); $list = []; foreach ($entityDefs->getRelationNameList() as $name) { $defs = $entityDefs->getRelation($name); $type = $defs->getType(); if (!$defs->hasForeignEntityType()) { continue; } $foreignEntityType = $defs->getForeignEntityType(); if ($type !== Entity::BELONGS_TO || $foreignEntityType !== 'Attachment') { continue; } if (!$entityDefs->hasAttribute($name . 'Id')) { continue; } $list[] = $name; } $this->fieldListMapCache[$entityType] = $list; return $list; } }