{% extends "base/class.php.twig" %}

{% block file_path %}
\Drupal\{{ module }}\{{ entity_class }}Storage.
{% endblock %}

{% block namespace_class %}
namespace Drupal\{{ module }};
{% endblock %}

{% block use_class %}
use Drupal\Core\Entity\Sql\SqlContentEntityStorage;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Language\LanguageInterface;
use Drupal\{{ module }}\Entity\{{ entity_class }}Interface;
{% endblock %}

{% block class_declaration %}
/**
 * Defines the storage handler class for {{ label }} entities.
 *
 * This extends the base storage class, adding required special handling for
 * {{ label }} entities.
 *
 * @ingroup {{ module }}
 */
class {{ entity_class }}Storage extends SqlContentEntityStorage implements {{ entity_class }}StorageInterface {% endblock %}

{% block class_methods %}
  /**
   * {@inheritdoc}
   */
  public function revisionIds({{ entity_class }}Interface $entity) {
    return $this->database->query(
      'SELECT vid FROM {{ '{'~entity_name~'_revision}' }} WHERE id=:id ORDER BY vid',
      array(':id' => $entity->id())
    )->fetchCol();
  }

  /**
   * {@inheritdoc}
   */
  public function userRevisionIds(AccountInterface $account) {
    return $this->database->query(
      'SELECT vid FROM {{ '{'~entity_name~'_field_revision}' }} WHERE uid = :uid ORDER BY vid',
      array(':uid' => $account->id())
    )->fetchCol();
  }

  /**
   * {@inheritdoc}
   */
  public function countDefaultLanguageRevisions({{ entity_class }}Interface $entity) {
    return $this->database->query('SELECT COUNT(*) FROM {{ '{'~entity_name~'_field_revision}' }} WHERE id = :id AND default_langcode = 1', array(':id' => $entity->id()))
      ->fetchField();
  }

  /**
   * {@inheritdoc}
   */
  public function clearRevisionsLanguage(LanguageInterface $language) {
    return $this->database->update('{{ entity_name }}_revision')
      ->fields(array('langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED))
      ->condition('langcode', $language->getId())
      ->execute();
  }
{% endblock %}