getOriginalContext example

$session[self::LANGUAGE_ID] = $parameters->getLanguageId();
            }

            if ($parameters->getCurrencyId() !== null && !\array_key_exists(self::CURRENCY_ID, $session)) {
                $session[self::CURRENCY_ID] = $parameters->getCurrencyId();
            }

            if ($parameters->getDomainId() !== null) {
                $session[self::DOMAIN_ID] = $parameters->getDomainId();
            }

            if ($parameters->getOriginalContext() !== null) {
                $session[self::ORIGINAL_CONTEXT] = $parameters->getOriginalContext();
            }

            if ($parameters->getCustomerId() !== null) {
                $session[self::CUSTOMER_ID] = $parameters->getCustomerId();
            }

            $context = $this->factory->create($token, $parameters->getSalesChannelId(), $session);
            $this->eventDispatcher->dispatch(new SalesChannelContextCreatedEvent($context, $token));

            $result = $this->ruleLoader->loadByToken($context, $token);

            

    public static function getSubscribedEvents(): array
    {
        return [PreWriteValidationEvent::class => 'preValidate'];
    }

    public function preValidate(PreWriteValidationEvent $event): void
    {
        $context = $event->getContext();
        $source = $event->getContext()->getSource();
        if ($source instanceof AdminSalesChannelApiSource) {
            $context = $source->getOriginalContext();
            $source = $context->getSource();
        }

        if ($context->getScope() === Context::SYSTEM_SCOPE || !$source instanceof AdminApiSource || $source->isAdmin()) {
            return;
        }

        $commands = $event->getCommands();
        $missingPrivileges = [];

        foreach ($commands as $command) {