ContentUninstallValidator::validate

public ContentUninstallValidator::validate($module)

Determines the reasons a module can not be uninstalled.

Example implementation:

public function validate($module) {
  $entity_types = $this->entityManager->getDefinitions();
  $reasons = array();
  foreach ($entity_types as $entity_type) {
    if ($module == $entity_type->getProvider() && $entity_type instanceof ContentEntityTypeInterface && $this->entityManager->getStorage($entity_type->id())->hasData()) {
      $reasons[] = $this->t('There is content for the entity type: @entity_type', array('@entity_type' => $entity_type->getLabel()));
    }
  }
  return $reasons;
}

Parameters

string $module: A module name.

Return value

string[] An array of reasons the module can not be uninstalled, empty if it can. Each reason should not end with any punctuation since multiple reasons can be displayed together.

Overrides ModuleUninstallValidatorInterface::validate

See also

template_preprocess_system_modules_uninstall()

File

core/lib/Drupal/Core/Entity/ContentUninstallValidator.php, line 39

Class

ContentUninstallValidator
Validates module uninstall readiness based on existing content entities.

Namespace

Drupal\Core\Entity

Code

public function validate($module) {
  $entity_types = $this->entityManager->getDefinitions();
  $reasons = [];
  foreach ($entity_types as $entity_type) {
    if ($module == $entity_type->getProvider() && $entity_type instanceof ContentEntityTypeInterface && $this->entityManager->getStorage($entity_type->id())->hasData()) {
      $reasons[] = $this->t('There is content for the entity type: @entity_type. <a href=":url">Remove @entity_type_plural</a>.', [
        '@entity_type' => $entity_type->getLabel(),
        '@entity_type_plural' => $entity_type->getPluralLabel(),
        ':url' => Url::fromRoute('system.prepare_modules_entity_uninstall', ['entity_type_id' => $entity_type->id()])->toString(),
      ]);
    }
  }
  return $reasons;
}
doc_Drupal
2016-10-29 08:58:31
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