saveFile example

$document = $this->documentRepository->search($criteria, $context)->get($documentId);

        return $document;
    }

    private function resolveMediaId(DocumentGenerateOperation $operation, Context $context, RenderedDocument $document): ?string
    {
        if ($operation->isStatic()) {
            return null;
        }

        return $context->scope(Context::SYSTEM_SCOPE, fn (Context $context): string => $this->mediaService->saveFile(
            $this->pdfRenderer->render($document),
            $document->getFileExtension(),
            $this->pdfRenderer->getContentType(),
            $document->getName(),
            $context,
            'document'
        ));
    }

    private function getReferenceId(string $orderId, string $invoiceNumber): string
    {
        

        $fileName = sprintf('payment_app_%s_%s', $manifest->getMetadata()->getName(), $paymentMethod->getIdentifier());
        $extension = pathinfo($paymentMethod->getIcon() ?? '', \PATHINFO_EXTENSION);
        $mimeType = $this->mimeDetector->detectMimeTypeFromBuffer($icon);
        $mediaId = $existing !== null ? $existing->getOriginalMediaId() : null;

        if (!$mimeType) {
            return null;
        }

        return $this->mediaService->saveFile(
            $icon,
            $extension,
            $mimeType,
            $fileName,
            $context,
            PaymentMethodDefinition::ENTITY_NAME,
            $mediaId,
            false
        );
    }
}