Completed
Push — master ( 742a67...3d8aa7 )
by Timo
02:40
created

ThrottleMiddleware::handle()   A

Complexity

Conditions 2
Paths 1

Size

Total Lines 15
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 2

Importance

Changes 0
Metric Value
cc 2
eloc 7
nc 1
nop 0
dl 0
loc 15
ccs 6
cts 6
cp 1
crap 2
rs 9.4285
c 0
b 0
f 0
1
<?php
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namespace hamburgscleanest\GuzzleAdvancedThrottle\Middleware;
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use hamburgscleanest\GuzzleAdvancedThrottle\RequestLimitRuleset;
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use Psr\Http\Message\RequestInterface;
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use Symfony\Component\HttpKernel\Exception\TooManyRequestsHttpException;
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/**
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 * Class ThrottleMiddleware
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 * @package hamburgscleanest\GuzzleAdvancedThrottle\Middleware
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 */
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class ThrottleMiddleware
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{
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    /** @var \hamburgscleanest\GuzzleAdvancedThrottle\RequestLimitGroup */
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    private $_requestLimitGroup;
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    /**
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     * ThrottleMiddleware constructor.
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     * @param RequestLimitRuleset $requestLimitRuleset
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     * @throws \Exception
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     */
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    public function __construct(RequestLimitRuleset $requestLimitRuleset)
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    {
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        $this->_requestLimitGroup = $requestLimitRuleset->getRequestLimitGroup();
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    }
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    /**
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     * @return callable
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     * @throws \Symfony\Component\HttpKernel\Exception\TooManyRequestsHttpException
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     * @throws \Exception
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     */
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    public function handle() : callable
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    {
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        return function(callable $handler) : callable
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        {
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            return function(RequestInterface $request, array $options) use ($handler)
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            {
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                if (!$this->_requestLimitGroup->canRequest())
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                {
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                    throw new TooManyRequestsHttpException(
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                        $this->_requestLimitGroup->getRetryAfter(),
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                        'The rate limit was exceeded. Please try again later.'
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                    );
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                }
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                return $handler($request, $options);
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            };
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        };
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    }
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}