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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Field\FieldModuleUninstallValidator. | |
| */ | |
| namespace Drupal\Core\Field; | |
| use Drupal\Core\Entity\EntityManagerInterface; | |
| use Drupal\Core\Entity\FieldableEntityStorageInterface; | |
| use Drupal\Core\Extension\ModuleUninstallValidatorInterface; | |
| use Drupal\Core\StringTranslation\StringTranslationTrait; | |
| use Drupal\Core\StringTranslation\TranslationInterface; | |
| /** | |
| * Validates module uninstall readiness based on defined storage definitions. | |
| * | |
| * @todo Remove this once we support field purging for base fields. See | |
| * https://www.drupal.org/node/2282119. | |
| */ | |
| class FieldModuleUninstallValidator implements ModuleUninstallValidatorInterface { | |
| use StringTranslationTrait; | |
| /** | |
| * Constructs the object. | |
| * | |
| * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager | |
| * The entity manager. | |
| * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation | |
| * The string translation service. | |
| */ | |
| public function __construct(EntityManagerInterface $entity_manager, TranslationInterface $string_translation) { | |
| $this->entityManager = $entity_manager; | |
| $this->stringTranslation = $string_translation; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function validate($module_name) { | |
| $reasons = array(); | |
| // We skip fields provided by the Field module as it implements field | |
| // purging. | |
| if ($module_name != 'field') { | |
| foreach ($this->entityManager->getDefinitions() as $entity_type_id => $entity_type) { | |
| // We skip entity types defined by the module as there must be no | |
| // content to be able to uninstall them anyway. | |
| // See \Drupal\Core\Entity\ContentUninstallValidator. | |
| if ($entity_type->getProvider() != $module_name && $entity_type->isSubclassOf('\Drupal\Core\Entity\FieldableEntityInterface')) { | |
| foreach ($this->entityManager->getFieldStorageDefinitions($entity_type_id) as $storage_definition) { | |
| if ($storage_definition->getProvider() == $module_name) { | |
| $storage = $this->entityManager->getStorage($entity_type_id); | |
| if ($storage instanceof FieldableEntityStorageInterface && $storage->countFieldData($storage_definition, TRUE)) { | |
| $reasons[] = $this->t('There is data for the field @field-name on entity type @entity_type', array( | |
| '@field-name' => $storage_definition->getName(), | |
| '@entity_type' => $entity_type->getLabel(), | |
| )); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| return $reasons; | |
| } | |
| } |