ActivityAccessControlHandler.php in Open Social 8.2

Namespace

Drupal\activity_creator

File

modules/custom/activity_creator/src/ActivityAccessControlHandler.php

<?php

namespace Drupal\activity_creator;

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

/**
 * Access controller for the Activity entity.
 *
 * @see \Drupal\activity_creator\Entity\Activity.
 */
class ActivityAccessControlHandler extends EntityAccessControlHandler {

  /**
   * {@inheritdoc}
   */
  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {

    /** @var \Drupal\activity_creator\ActivityInterface $entity */
    switch ($operation) {
      case 'view':
        $recipient = $entity
          ->getRecipient();
        if ($recipient === NULL) {

          // This is simple, the message is not specific for group / user.
          // So we should check, does the user have permission to view entity?
          return $this
            ->returnAccessRelatedObject($entity, $operation, $account);
        }
        else {
          $recipient_type = $recipient['0']['target_type'];
          if ($recipient_type === 'user') {
            $recipient_id = $recipient['0']['target_id'];

            // If it is personalised, lets check recipient id vs account id.
            if ($this
              ->checkIfPersonalNotification($entity) === TRUE) {
              return AccessResult::allowedIf($account
                ->id() === $recipient_id);
            }
            else {

              // Lets fallback to the related object access permission.
              return $this
                ->returnAccessRelatedObject($entity, $operation, $account);
            }
          }
          if ($recipient_type === 'group') {
          }
        }
        return AccessResult::allowedIfHasPermission($account, 'view all published activity entities');
      case 'update':
        return AccessResult::allowedIfHasPermission($account, 'edit activity entities');
      case 'delete':
        return AccessResult::allowedIfHasPermission($account, 'delete activity entities');
    }

    // Unknown operation, no opinion.
    return AccessResult::neutral();
  }

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

  /**
   * Return access control from the related entity.
   */
  protected function returnAccessRelatedObject(EntityInterface $entity, $operation, $account) {
    $related_object = $entity
      ->get('field_activity_entity')
      ->getValue();
    if (!empty($related_object)) {
      $ref_entity_type = $related_object['0']['target_type'];
      $ref_entity_id = $related_object['0']['target_id'];
      $ref_entity = entity_load($ref_entity_type, $ref_entity_id);
      return AccessResult::allowedIf($ref_entity
        ->access($operation, $account));
    }
  }

  /**
   * Check if this is a personal notification.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   Entity object.
   *
   * @return bool
   *   Returns TRUE if entity is personal notification, FALSE if it isn't.
   */
  protected function checkIfPersonalNotification(EntityInterface $entity) {
    $recipient = $entity
      ->getRecipient();
    $value = FALSE;
    if (!empty($recipient) && $recipient['0']['target_type'] === 'user') {

      // This could be personalised, but first lets check the destinations.
      $destinations = $entity
        ->getDestinations();
      $is_notification = in_array('notifications', $destinations);

      // It is only personal if the only destination is notifications.
      if (count($destinations) <= 1 && $is_notification === TRUE) {
        $value = TRUE;
      }
    }
    return $value;
  }

}

Classes

Name	Description
ActivityAccessControlHandler	Access controller for the Activity entity.