CacheDecorator::__construct() - Code Metrics - Inspection of "cache" - phmLabs/Smoke - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 40aedc...7c1b35 )

by Nils

created 2017-04-01 05:48 UTC

CacheDecorator::__construct() A

↳ Parent: CacheDecorator

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
c	0
b	0
f	0
dl	0
loc	5
rs	9.4285
cc	1
eloc	3
nc	1
nop	2

<?php

namespace whm\Smoke\Http;

use Cache\Adapter\Common\CacheItem;
use GuzzleHttp\Psr7\Request;
use Ivory\HttpAdapter\ConfigurationInterface;
use Ivory\HttpAdapter\HttpAdapterInterface;
use Psr\Cache\CacheItemPoolInterface;
use Psr\Http\Message\RequestInterface;
use whm\Smoke\Extensions\SmokeHttpClient\CacheAware;

class CacheDecorator implements HttpAdapterInterface, CacheAware
{
    private $client;
    private $cacheItemPool;

    private $disabled = false;

    public function __construct(HttpAdapterInterface $client, CacheItemPoolInterface $cacheItemPool)
    {
        $this->client = $client;
        $this->cacheItemPool = $cacheItemPool;
    }

    public function disableCache()
    {
        $this->disabled = true;
    }

    public function enableCache()
    {
        $this->disabled = false;
    }

    /**
     * Serialize a response so it can be stored inside a cache element.
     *
     * @param Response $response
     * @return string
     */
    private function serializeResponse(Response $response)
    {
        $array = ['object' => serialize($response), 'body' => (string)$response->getBody()];
        return serialize($array);
    }

    /**
     * Unserialze a response from cache element
     *
     * @param $serializedResponse
     * @return Response
     */
    private function unserializeResponse($serializedResponse)
    {
        $array = unserialize($serializedResponse);

        $response = unserialize($array['object']);
        /** @var Response $response */
        $response->setBody($array['body']);

        return $response;
    }

    private function getHash($uri, $headers)
    {
        return md5(json_encode((string)$uri) . json_encode($headers));
    }

    private function cacheResponse($key, Response $response)
    {
        $serializedResponse = $this->serializeResponse($response);

        $item = new CacheItem($key);
        $item->set($serializedResponse);
        $item->expiresAfter(new \DateInterval('P5M'));

        $this->cacheItemPool->save($item);
    }

    public function get($uri, array $headers = array())
    {
        if ($this->disabled) {
            return $this->client->get($uri, $headers);
        } else {
            $key = $this->getHash($uri, $headers);

            if ($this->cacheItemPool->hasItem($key)) {
                $serializedResponse = $this->cacheItemPool->getItem($key)->get();
                return $this->unserializeResponse($serializedResponse);
            } else {
                $response = $this->client->get($uri, $headers);
                /** @var Response $response */
                $this->cacheResponse($key, $response);
                return $response;
            }
        }
    }

    public function head($uri, array $headers = array())
    {
        return $this->client->head($uri, $headers);
    }

    public function trace($uri, array $headers = array())
    {
        return $this->client->trace($uri, $headers);
    }

    public function post($uri, array $headers = array(), $datas = array(), array $files = array())
    {
        var_dump('post');

        return $this->client->post($uri, $headers, $datas, $files);
    }

    public function put($uri, array $headers = array(), $datas = array(), array $files = array())
    {
        return $this->client->put($uri, $headers, $datas, $files);
    }

    public function patch($uri, array $headers = array(), $datas = array(), array $files = array())
    {
        return $this->client->patch($uri, $headers, $datas, $files);
    }

    public function delete($uri, array $headers = array(), $datas = array(), array $files = array())
    {
        return $this->client->delete($uri, $headers, $datas, $files);
    }

    public function options($uri, array $headers = array(), $datas = array(), array $files = array())
    {
        return $this->client->options($uri, $headers, $datas, $files);
    }

    public function send($uri, $method, array $headers = array(), $datas = array(), array $files = array())
    {
        var_dump('send');

        return $this->client->send($uri, $method, $headers, $datas, $files);
    }

    public function getConfiguration()
    {
        return $this->client->getConfiguration();
    }

    public function setConfiguration(ConfigurationInterface $configuration)
    {
        return $this->client->setConfiguration($configuration);
    }

    public function sendRequest(RequestInterface $request)
    {
        var_dump('sendRequest');

        return $this->client->sendRequest($request);
    }

    /**
     * @param Request[] $requests
     * @return Response[]
     */
    public function sendRequests(array $requests)
    {
        if ($this->disabled) {
            return $this->client->sendRequests($requests);
        } else {
            $responses = array();

            foreach ($requests as $id => $request) {
                $key = $this->getHash($request->getUri(), $request->getHeaders());
                if ($this->cacheItemPool->hasItem($key)) {
                    $responses[] = $this->unserializeResponse($this->cacheItemPool->getItem($key)->get());
                    unset($requests[$id]);
                }
            }

            $newResponses = $this->client->sendRequests($requests);

            foreach ($newResponses as $newResponse) {
                /** @var Response $newResponse */
                $key = $this->getHash($newResponse->getRequest()->getUri(), $newResponse->getRequest()->getHeaders());
                $this->cacheResponse($key, $newResponse);
            }

            $responses = array_merge($responses, $newResponses);

            return $responses;
        }
    }

    public function getName()
    {
        return $this->client->getName();
    }
}

1			<?php
2
3			namespace whm\Smoke\Http;
4
5			use Cache\Adapter\Common\CacheItem;
6			use GuzzleHttp\Psr7\Request;
7			use Ivory\HttpAdapter\ConfigurationInterface;
8			use Ivory\HttpAdapter\HttpAdapterInterface;
9			use Psr\Cache\CacheItemPoolInterface;
10			use Psr\Http\Message\RequestInterface;
11			use whm\Smoke\Extensions\SmokeHttpClient\CacheAware;
12
13			class CacheDecorator implements HttpAdapterInterface, CacheAware
14			{
15			private $client;
16			private $cacheItemPool;
17
18			private $disabled = false;
19
20			public function __construct(HttpAdapterInterface $client, CacheItemPoolInterface $cacheItemPool)
21			{
22			$this->client = $client;
23			$this->cacheItemPool = $cacheItemPool;
24			}
25
26			public function disableCache()
27			{
28			$this->disabled = true;
29			}
30
31			public function enableCache()
32			{
33			$this->disabled = false;
34			}
35
36			/**
37			* Serialize a response so it can be stored inside a cache element.
38			*
39			* @param Response $response
40			* @return string
41			*/
42			private function serializeResponse(Response $response)
43			{
44			$array = ['object' => serialize($response), 'body' => (string)$response->getBody()];
45			return serialize($array);
46			}
47
48			/**
49			* Unserialze a response from cache element
50			*
51			* @param $serializedResponse
52			* @return Response
53			*/
54			private function unserializeResponse($serializedResponse)
55			{
56			$array = unserialize($serializedResponse);
57
58			$response = unserialize($array['object']);
59			/** @var Response $response */
60			$response->setBody($array['body']);
61
62			return $response;
63			}
64
65			private function getHash($uri, $headers)
66			{
67			return md5(json_encode((string)$uri) . json_encode($headers));
68			}
69
70			private function cacheResponse($key, Response $response)
71			{
72			$serializedResponse = $this->serializeResponse($response);
73
74			$item = new CacheItem($key);
75			$item->set($serializedResponse);
76			$item->expiresAfter(new \DateInterval('P5M'));
77
78			$this->cacheItemPool->save($item);
79			}
80
81			public function get($uri, array $headers = array())
82			{
83			if ($this->disabled) {
84			return $this->client->get($uri, $headers);
85			} else {
86			$key = $this->getHash($uri, $headers);
87
88			if ($this->cacheItemPool->hasItem($key)) {
89			$serializedResponse = $this->cacheItemPool->getItem($key)->get();
90			return $this->unserializeResponse($serializedResponse);
91			} else {
92			$response = $this->client->get($uri, $headers);
93			/** @var Response $response */
94			$this->cacheResponse($key, $response);
95			return $response;
96			}
97			}
98			}
99
100			public function head($uri, array $headers = array())
101			{
102			return $this->client->head($uri, $headers);
103			}
104
105			public function trace($uri, array $headers = array())
106			{
107			return $this->client->trace($uri, $headers);
108			}
109
110			public function post($uri, array $headers = array(), $datas = array(), array $files = array())
111			{
112			var_dump('post');
			0 ignored issues – show Security Debugging Code introduced 2017-04-01 05:53 UTC by Report Bug Copy Issue Report `var_dump('post');` looks like debug code. Are you sure you do not want to remove it? This might expose sensitive data. Loading history...
113			return $this->client->post($uri, $headers, $datas, $files);
114			}
115
116			public function put($uri, array $headers = array(), $datas = array(), array $files = array())
117			{
118			return $this->client->put($uri, $headers, $datas, $files);
119			}
120
121			public function patch($uri, array $headers = array(), $datas = array(), array $files = array())
122			{
123			return $this->client->patch($uri, $headers, $datas, $files);
124			}
125
126			public function delete($uri, array $headers = array(), $datas = array(), array $files = array())
127			{
128			return $this->client->delete($uri, $headers, $datas, $files);
129			}
130
131			public function options($uri, array $headers = array(), $datas = array(), array $files = array())
132			{
133			return $this->client->options($uri, $headers, $datas, $files);
134			}
135
136			public function send($uri, $method, array $headers = array(), $datas = array(), array $files = array())
137			{
138			var_dump('send');
			0 ignored issues – show Security Debugging Code introduced 2017-04-01 05:53 UTC by Report Bug Copy Issue Report `var_dump('send');` looks like debug code. Are you sure you do not want to remove it? This might expose sensitive data. Loading history...
139			return $this->client->send($uri, $method, $headers, $datas, $files);
140			}
141
142			public function getConfiguration()
143			{
144			return $this->client->getConfiguration();
145			}
146
147			public function setConfiguration(ConfigurationInterface $configuration)
148			{
149			return $this->client->setConfiguration($configuration);
150			}
151
152			public function sendRequest(RequestInterface $request)
153			{
154			var_dump('sendRequest');
			0 ignored issues – show Security Debugging Code introduced 2017-04-01 05:53 UTC by Report Bug Copy Issue Report `var_dump('sendRequest');` looks like debug code. Are you sure you do not want to remove it? This might expose sensitive data. Loading history...
155			return $this->client->sendRequest($request);
156			}
157
158			/**
159			* @param Request[] $requests
160			* @return Response[]
161			*/
162			public function sendRequests(array $requests)
163			{
164			if ($this->disabled) {
165			return $this->client->sendRequests($requests);
166			} else {
167			$responses = array();
168
169			foreach ($requests as $id => $request) {
170			$key = $this->getHash($request->getUri(), $request->getHeaders());
171			if ($this->cacheItemPool->hasItem($key)) {
172			$responses[] = $this->unserializeResponse($this->cacheItemPool->getItem($key)->get());
173			unset($requests[$id]);
174			}
175			}
176
177			$newResponses = $this->client->sendRequests($requests);
178
179			foreach ($newResponses as $newResponse) {
180			/** @var Response $newResponse */
181			$key = $this->getHash($newResponse->getRequest()->getUri(), $newResponse->getRequest()->getHeaders());
182			$this->cacheResponse($key, $newResponse);
183			}
184
185			$responses = array_merge($responses, $newResponses);
186
187			return $responses;
188			}
189			}
190
191			public function getName()
192			{
193			return $this->client->getName();
194			}
195			}

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CacheDecorator::__construct() A

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