Softonic\OAuth2\Guzzle\Middleware\ClientBuilder

Complexity

Total Complexity

4

Size/Duplication

Total Lines	73
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	7

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	build()	0	32	1
A	addHeaderMiddlewareToStack()	0	15	1
A	addRetryMiddlewareToStack()	0	15	1
A	mergeOptions()	0	5	1

<?php

namespace Softonic\OAuth2\Guzzle\Middleware;

use GuzzleHttp\Client;
use GuzzleHttp\Handler\CurlHandler;
use GuzzleHttp\HandlerStack;
use GuzzleHttp\Middleware;
use League\OAuth2\Client\Provider\AbstractProvider as OAuth2Provider;
use Psr\Cache\CacheItemPoolInterface as Cache;

class ClientBuilder
{
    public static function build(
        OAuth2Provider $oauthProvider,
        array $tokenOptions,
        Cache $cache,
        array $guzzleOptions = null
    ): Client {
        $cacheHandler = new AccessTokenCacheHandler($cache);

        $stack = $guzzleOptions['handler'] ?? HandlerStack::create();

        $stack->setHandler(new CurlHandler());

        $stack = static::addHeaderMiddlewareToStack(
            $stack,
            $oauthProvider,
            $tokenOptions,
            $cacheHandler
        );
        $stack = static::addRetryMiddlewareToStack(
            $stack,
            $oauthProvider,
            $tokenOptions,
            $cacheHandler
        );

        $defaultOptions = [
            'handler' => $stack,
        ];
        $guzzleOptions = static::mergeOptions($defaultOptions, $guzzleOptions);

        return new Client($guzzleOptions);
    }

    protected static function addHeaderMiddlewareToStack(
        HandlerStack $stack,
        OAuth2Provider $oauthProvider,
        array $tokenOptions,
        AccessTokenCacheHandler $cacheHandler
    ): HandlerStack {
        $addAuthorizationHeader = new AddAuthorizationHeader(
            $oauthProvider,
            $tokenOptions,
            $cacheHandler
        );

        $stack->push(Middleware::mapRequest($addAuthorizationHeader));
        return $stack;
    }

    protected static function addRetryMiddlewareToStack(
        HandlerStack $stack,
        OAuth2Provider $oauthProvider,
        array $tokenOptions,
        AccessTokenCacheHandler $cacheHandler
    ): HandlerStack {
        $retryOnAuthorizationError = new RetryOnAuthorizationError(
            $oauthProvider,
            $tokenOptions,
            $cacheHandler
        );

        $stack->push(Middleware::retry($retryOnAuthorizationError));
        return $stack;
    }

    protected static function mergeOptions(array $defaultOptions, array $options = null): array
    {
        $options = $options ?? [];
        return array_merge($options, $defaultOptions);
    }
}