ApiClients\Foundation\Transport\Middleware\BufferedSinkMiddleware

Complexity

Total Complexity

3

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	6

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	post()	0	21	2

<?php declare(strict_types=1);

namespace ApiClients\Foundation\Transport\Middleware;

use ApiClients\Foundation\Middleware\ErrorTrait;
use ApiClients\Foundation\Middleware\MiddlewareInterface;
use ApiClients\Foundation\Middleware\PreTrait;
use Psr\Http\Message\ResponseInterface;
use React\EventLoop\LoopInterface;
use React\Promise\CancellablePromiseInterface;
use React\Stream\ReadableStreamInterface;
use RingCentral\Psr7\BufferStream;
use function React\Promise\resolve;
use function React\Promise\Stream\buffer;

class BufferedSinkMiddleware implements MiddlewareInterface
{
    use PreTrait;
    use ErrorTrait;

    /**
     * @var LoopInterface
     */
    private $loop;

    /**
     * @param LoopInterface $loop
     */
    public function __construct(LoopInterface $loop)
    {
        $this->loop = $loop;
    }

    /**
     * @param  ResponseInterface           $response
     * @param  array                       $options
     * @return CancellablePromiseInterface
     */
    public function post(
        ResponseInterface $response,
        string $transactionId,
        array $options = []
    ): CancellablePromiseInterface {
        if (!($response->getBody() instanceof ReadableStreamInterface)) {
            return resolve($response);
        }

        $body = $response->getBody();
        $this->loop->futureTick(function () use ($body) {
            $body->resume();
        });

        return buffer($response->getBody())->then(function (string $body) use ($response) {
            $stream = new BufferStream(strlen($body));
            $stream->write($body);

            return resolve($response->withBody($stream));
        });
    }
}