DefaultSalesChannelTypeCannotBeDeleted example

public function preWriteValidateEvent(PreWriteValidationEvent $event): void
    {
        foreach ($event->getCommands() as $command) {
            if (!$command instanceof DeleteCommand || !$command->getDefinition() instanceof SalesChannelTypeDefinition) {
                continue;
            }

            $id = Uuid::fromBytesToHex($command->getPrimaryKey()['id']);

            if (\in_array($id, [Defaults::SALES_CHANNEL_TYPE_API, Defaults::SALES_CHANNEL_TYPE_STOREFRONT, Defaults::SALES_CHANNEL_TYPE_PRODUCT_COMPARISON], true)) {
                $event->getExceptions()->add(new DefaultSalesChannelTypeCannotBeDeleted($id));
            }
        }
    }
}