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<?php

namespace Drupal\block_content\Access;

use Drupal\Core\Access\AccessibleInterface;
use Drupal\Core\Access\AccessResult;
use Drupal\Core\Session\AccountInterface;

/**
 * An access group where all the dependencies must be allowed.
 *
 * @internal
 */
class AccessGroupAnd implements AccessibleInterface {

  /**
   * The access dependencies.
   *
   * @var \Drupal\Core\Access\AccessibleInterface[]
   */
  protected $dependencies = [];

  /**
   * {@inheritdoc}
   */
  public function addDependency(AccessibleInterface $dependency) {
    $this->dependencies[] = $dependency;
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function access($operation, AccountInterface $account = NULL, $return_as_object = FALSE) {
    $access_result = AccessResult::neutral();
    foreach (array_slice($this->dependencies, 1) as $dependency) {
      $access_result = $access_result->andIf($dependency->access($operation, $account, TRUE));
    }
    return $return_as_object ? $access_result : $access_result->isAllowed();
  }

  /**
   * {@inheritdoc}
   */
  public function getDependencies() {
    return $this->dependencies;
  }

}