Yiisoft\Yii\Web\Middleware\JsonBodyParser

Complexity

Total Complexity

10

Size/Duplication

Total Lines	58
Duplicated Lines	0 %

Importance

Changes	4
Bugs	1	Features	1

6 Methods

Rating	Name	Duplication	Size	Complexity
A	process()	0	11	3
A	withDepth()	0	5	1
A	withOptions()	0	5	1
A	withoutAssoc()	0	5	1
A	parse()	0	7	3
A	withAssoc()	0	5	1

<?php

declare(strict_types=1);

namespace Yiisoft\Yii\Web\Middleware;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Yiisoft\Http\Header;

final class JsonBodyParser implements MiddlewareInterface
{
    private const DEFAULT_FLAGS = JSON_THROW_ON_ERROR | JSON_INVALID_UTF8_IGNORE;
    private bool $assoc = true;
    private int $depth = 512;
    private int $options = self::DEFAULT_FLAGS;

    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $contentType = $request->getHeaderLine(Header::CONTENT_TYPE);

        if ($contentType && strpos(strtolower($contentType), 'application/json') !== false) {
            $request = $request->withParsedBody(
                $this->parse($request->getBody()->getContents())
            );
        }

        return $handler->handle($request);
    }

    public function withAssoc(): self
    {
        $new = clone $this;
        $new->assoc = true;
        return $new;
    }

    public function withoutAssoc(): self
    {
        $new = clone $this;
        $new->assoc = false;
        return $new;
    }

    public function withDepth(int $value): self
    {
        $new = clone $this;
        $new->depth = $value;
        return $new;
    }

    public function withOptions(int $value): self
    {
        $new = clone $this;
        $new->options = self::DEFAULT_FLAGS | $value;
        return $new;
    }

    /**
     * @return mixed
     */
    private function parse(string $body)
    {
        $result = json_decode($body, $this->assoc, $this->depth, $this->options);
        if (is_array($result) || is_object($result)) {
            return $result;
        }
        return null;
    }
}