eZ\Publish\Core\Repository\RoleService::createRoleDraft PHP Метод

    public function createRoleDraft(APIRole $role)
    {
        if ($this->repository->hasAccess('role', 'create') !== true) {
            throw new UnauthorizedException('role', 'create');
        }
        try {
            $this->userHandler->loadRole($role->id, Role::STATUS_DRAFT);
            // Throw exception, so platformui et al can do conflict management. Follow-up: EZP-24719
            throw new InvalidArgumentException('$role', "Cannot create a draft for role '{$role->identifier}' because another draft exists");
        } catch (APINotFoundException $e) {
            $this->repository->beginTransaction();
            try {
                $spiRole = $this->userHandler->createRoleDraft($role->id);
                $this->repository->commit();
            } catch (Exception $e) {
                $this->repository->rollback();
                throw $e;
            }
        }
        return $this->roleDomainMapper->buildDomainRoleDraftObject($spiRole);
    }