entity_clone_extras.module

<?php


/**
 * @file
 * Contains entity_clone_extras.module.
 */
use Drupal\Core\Access\AccessResult;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Session\AccountInterface;

/**
 * Implements hook_help().
 */
function entity_clone_extras_help($route_name, RouteMatchInterface $route_match) {
    switch ($route_name) {
        // Main module help for the entity_clone_extras module.
        case 'help.page.entity_clone_extras':
            $output = '';
            $output .= '<h3>' . t('About') . '</h3>';
            $output .= '<p>' . t('Allow for bundle-level permissions for Node (and Media) entity types') . '</p>';
            return $output;
        default:
    }
}

/**
 * Implements hook_entity_operation_alter().
 */
function entity_clone_extras_entity_operation_alter(array &$operations, EntityInterface $entity) {
    // Check if entity type supports cloning:
    if ($entity->hasLinkTemplate('clone-form')) {
        // If it does, get the current user.
        $user = \Drupal::currentUser();
        $entity_types = _entity_clone_extra_supported_entity_types();
        if (in_array($entity->getEntityTypeId(), $entity_types)) {
            if (!$user->hasPermission('clone ' . $entity->getEntityTypeId() . ' entity')) {
                // If we are dealing with a supported entity type, we handle permissions
                // per bundle.
                $bundle = $entity->bundle();
                $entity_type = $entity->getEntityTypeId();
                // Check the bundle access.
                if (!$user->hasPermission("clone {$bundle} {$entity_type} entities")) {
                    // Remove the operation if the user has no access to it.
                    unset($operations['clone']);
                }
            }
        }
    }
}

/**
 * Implements hook_entity_access().
 */
function entity_clone_extras_entity_access(EntityInterface $entity, $operation, AccountInterface $account) {
    $entity_types = _entity_clone_extra_supported_entity_types();
    if ($operation === 'clone' && in_array($entity->getEntityTypeId(), $entity_types)) {
        return AccessResult::allowedIfHasPermission($account, 'clone ' . $entity->bundle() . ' ' . $entity->getEntityTypeId() . ' entities');
    }
    return AccessResult::neutral();
}

/**
 * Define the supported entity types.
 *
 * @return string[]
 *   The entity types.
 */
function _entity_clone_extra_supported_entity_types() {
    $entity_types = [
        'node',
    ];
    // Support media entities when media module is installed.
    if (\Drupal::moduleHandler()->moduleExists('media')) {
        $entity_types[] = 'media';
    }
    return $entity_types;
}