cc-1.0.x-dev/modules/cc_account/src/Access/CcAccountAccessControlHandler.php

<?php

namespace Drupal\cc_account\Access;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Entity\EntityAccessControlHandler;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Session\AccountInterface;

/**
 * Defines the access control handler for the cryptocurrency account entity type.
 */
class CcAccountAccessControlHandler extends EntityAccessControlHandler {

  /**
   * {@inheritdoc}
   */
  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
    /** @var \Drupal\cc_account\Entity\CcAccountInterface $entity */

    switch ($operation) {
      case 'view':
        if (!$entity->isPublished()) {
          $access_result = AccessResult::allowedIfHasPermission($account, 'view own unpublished cc accounts');
          if (!$access_result->isAllowed()) {
            $access_result = AccessResult::allowedIfHasPermission($account, 'view unpublished cc accounts');
          }
          return $access_result;
        }

        return AccessResult::allowedIfHasPermission($account, 'view published cc accounts');

      case 'update':
        if ($account->hasPermission('administer cc accounts')) {
          return AccessResult::allowed();
        }
        return AccessResult::allowedIf($account->hasPermission('edit own cc account') && ($account->id() === $entity->getOwnerId()))
          ->cachePerUser()
          ->addCacheableDependency($entity);

      case 'delete':
        if ($account->hasPermission('administer cc accounts')) {
          return AccessResult::allowed();
        }
        return AccessResult::allowedIf($account->hasPermission('delete own cc account') && ($account->id() === $entity->getOwnerId()))
          ->cachePerUser()
          ->addCacheableDependency($entity);

      default:
        return AccessResult::neutral();
    }
  }

  /**
   * {@inheritdoc}
   */
  protected function checkCreateAccess(AccountInterface $account, array $context, $entity_bundle = NULL) {
    return AccessResult::allowedIfHasPermission($account, 'create cc account');
  }

}