Http\Client\Plugin\HeaderPlugin

Complexity

Total Complexity

8

Size/Duplication

Total Lines	50
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	withoutHeader()	0	4	1
A	withHeader()	0	4	1
B	handleRequest()	0	15	6

<?php

namespace Http\Client\Plugin;

use Psr\Http\Message\RequestInterface;

/**
 * Manages http headers.
 */
class HeaderPlugin implements Plugin
{
    /**
     * @var array headers that have fixed value
     */
    private $headers = [];
    private $removedHeader = [];

    /**
     * Sets a header with the given value to every requests.
     *
     * @param string $name     name of the header
     * @param string $value    value of the header
     * @param bool $override   By default if the header is already set on the request the value wont be replaced
     * pass $override to true to make the header value the same for every request
     */
    public function withHeader($name, $value, $override = false)
    {
        $this->headers[$name] = ['value' => $value, 'override' => $override];
    }

    /**
     * Automatically removes the given header from the request.
     *
     * @param string $name name of the header to remove
     */
    public function withoutHeader($name)
    {
        $this->removedHeader[] = $name;
    }

    /**
     * {@inheritdoc}
     */
    public function handleRequest(RequestInterface $request, callable $next, callable $first)
    {
        foreach ($this->headers as $header => $headerData) {
            if ($headerData['override'] || !$request->hasHeader($header)) {
                $request = $request->withHeader($header, $headerData['value']);
            }
        }
        foreach ($this->removedHeader as $header) {
            if ($request->hasHeader($header)) {
                $request = $request->withoutHeader($header);
            }
        }

        return $next($request);
    }
}