Serve a file from filesystem using HTTP handler

This pattern shows how to:

• To access portal node specific filesystem using the FilesystemInterface
• To response with a binary file using an HTTP handler

Portal

src/Resources/flow-component/list-files.php

<?php

declare(strict_types=1);

use Heptacom\HeptaConnect\Portal\Base\Builder\FlowComponent;
use Heptacom\HeptaConnect\Portal\Base\File\Filesystem\Contract\FilesystemInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamFactoryInterface;

FlowComponent::httpHandler('logo.png')
    ->get(static function (
        FilesystemInterface $fs,
        ResponseInterface $response,
        StreamFactoryInterface $streamFactory
    ): ResponseInterface {
        $path = $fs->toStoragePath('logo.png');

        if (!is_file($path)) {
            return $response->withStatus(404);
        }

        return $response
            ->withStatus(200)
            ->withHeader('Content-Type', 'image/png')
            ->withBody($streamFactory->createStreamFromFile($path));
    });