trinion_tp-1.0.x-dev/src/Access/OtpravitSchetChecker.php

<?php

namespace Drupal\trinion_tp\Access;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Routing\Access\AccessInterface;
use Drupal\node\Entity\Node;
use Symfony\Component\Routing\Route;

/**
 * Access check for Send Invoice
 */
class OtpravitSchetChecker implements AccessInterface {

  /**
   * Access callback.
   */
  public function access(Route $route, Node $node) {
    if ($node->hasField('field_tp_otvetstvennyy')) {
      $user = \Drupal::currentUser();
      if ($user->hasPermission('trinion_base edit all'))
        return AccessResult::allowed();
      if ($user->id() == $node->get('field_tp_otvetstvennyy')->getString())
        return AccessResult::allowed();
    }
    return AccessResult::forbidden();
  }
}