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1 | <?php |
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2 | |||
3 | /* |
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4 | * This file is part of the Ivory Http Adapter package. |
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5 | * |
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6 | * (c) Eric GELOEN <[email protected]> |
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7 | * |
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8 | * For the full copyright and license information, please read the LICENSE |
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9 | * file that was distributed with this source code. |
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10 | */ |
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11 | |||
12 | namespace Ivory\HttpAdapter\Event\Subscriber; |
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13 | |||
14 | use Ivory\HttpAdapter\Event\Cache\CacheInterface; |
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15 | use Ivory\HttpAdapter\Event\Events; |
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16 | use Ivory\HttpAdapter\Event\MultiRequestCreatedEvent; |
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17 | use Ivory\HttpAdapter\Event\MultiRequestErroredEvent; |
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18 | use Ivory\HttpAdapter\Event\MultiRequestSentEvent; |
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19 | use Ivory\HttpAdapter\Event\RequestCreatedEvent; |
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20 | use Ivory\HttpAdapter\Event\RequestErroredEvent; |
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21 | use Ivory\HttpAdapter\Event\RequestSentEvent; |
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22 | use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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23 | |||
24 | /** |
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25 | * @author GeLo <[email protected]> |
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26 | */ |
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27 | class CacheSubscriber implements EventSubscriberInterface |
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28 | { |
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29 | /** |
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30 | * @var CacheInterface |
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31 | */ |
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32 | private $cache; |
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33 | |||
34 | /** |
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35 | * @param CacheInterface $cache |
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36 | */ |
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37 | 108 | public function __construct(CacheInterface $cache) |
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38 | { |
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39 | 108 | $this->setCache($cache); |
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40 | 108 | } |
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41 | |||
42 | /** |
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43 | * @return CacheInterface |
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44 | */ |
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45 | 9 | public function getCache() |
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46 | { |
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47 | 9 | return $this->cache; |
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48 | } |
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49 | |||
50 | /** |
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51 | * @param CacheInterface $cache |
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52 | */ |
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53 | 108 | public function setCache(CacheInterface $cache) |
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54 | { |
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55 | 108 | $this->cache = $cache; |
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56 | 108 | } |
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57 | |||
58 | /** |
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59 | * @param RequestCreatedEvent $event |
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60 | */ |
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61 | 27 | public function onRequestCreated(RequestCreatedEvent $event) |
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62 | { |
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63 | 27 | $request = $event->getRequest(); |
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64 | 27 | $messageFactory = $event->getHttpAdapter()->getConfiguration()->getMessageFactory(); |
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65 | |||
66 | 27 | if (($response = $this->cache->getResponse($request, $messageFactory)) !== null) { |
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67 | 9 | $event->setResponse($response); |
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68 | 25 | } elseif (($exception = $this->cache->getException($request, $messageFactory)) !== null) { |
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69 | 9 | $event->setException($exception); |
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70 | 7 | } |
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71 | 27 | } |
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72 | |||
73 | /** |
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74 | * @param RequestSentEvent $event |
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75 | */ |
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76 | 9 | public function onRequestSent(RequestSentEvent $event) |
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77 | { |
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78 | 9 | $this->cache->saveResponse($event->getResponse(), $event->getRequest()); |
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0 ignored issues
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79 | 9 | } |
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80 | |||
81 | /** |
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82 | * @param RequestErroredEvent $event |
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83 | */ |
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84 | 9 | public function onRequestErrored(RequestErroredEvent $event) |
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85 | { |
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86 | 9 | $this->cache->saveException($event->getException(), $event->getException()->getRequest()); |
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0 ignored issues
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show
It seems like
$event->getException()->getRequest() can be null ; however, saveException() does not accept null , maybe add an additional type check?
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass|null */
function mayReturnNull() { }
function doesNotAcceptNull(stdClass $x) { }
// With potential error.
function withoutCheck() {
$x = mayReturnNull();
doesNotAcceptNull($x); // Potential error here.
}
// Safe - Alternative 1
function withCheck1() {
$x = mayReturnNull();
if ( ! $x instanceof stdClass) {
throw new \LogicException('$x must be defined.');
}
doesNotAcceptNull($x);
}
// Safe - Alternative 2
function withCheck2() {
$x = mayReturnNull();
if ($x instanceof stdClass) {
doesNotAcceptNull($x);
}
}
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87 | 9 | } |
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88 | |||
89 | /** |
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90 | * @param MultiRequestCreatedEvent $event |
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91 | */ |
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92 | 27 | public function onMultiRequestCreated(MultiRequestCreatedEvent $event) |
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93 | { |
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94 | 27 | $messageFactory = $event->getHttpAdapter()->getConfiguration()->getMessageFactory(); |
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95 | |||
96 | 27 | foreach ($event->getRequests() as $request) { |
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97 | 27 | if (($response = $this->cache->getResponse($request, $messageFactory)) !== null) { |
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98 | 9 | $event->addResponse($response); |
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99 | 9 | $event->removeRequest($request); |
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100 | 25 | } elseif (($exception = $this->cache->getException($request, $messageFactory)) !== null) { |
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101 | 9 | $event->addException($exception); |
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102 | 13 | $event->removeRequest($request); |
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103 | 7 | } |
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104 | 21 | } |
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105 | 27 | } |
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106 | |||
107 | /** |
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108 | * @param MultiRequestSentEvent $event |
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109 | */ |
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110 | 9 | public function onMultiRequestSent(MultiRequestSentEvent $event) |
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111 | { |
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112 | 9 | foreach ($event->getResponses() as $response) { |
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113 | 9 | $this->cache->saveResponse($response, $response->getParameter('request')); |
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114 | 7 | } |
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115 | 9 | } |
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116 | |||
117 | /** |
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118 | * @param MultiRequestErroredEvent $event |
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119 | */ |
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120 | 9 | public function onMultiRequestErrored(MultiRequestErroredEvent $event) |
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121 | { |
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122 | 9 | foreach ($event->getResponses() as $response) { |
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123 | 9 | $this->cache->saveResponse($response, $response->getParameter('request')); |
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124 | 7 | } |
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125 | |||
126 | 9 | foreach ($event->getExceptions() as $exception) { |
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127 | 9 | $this->cache->saveException($exception, $exception->getRequest()); |
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0 ignored issues
–
show
It seems like
$exception->getRequest() can be null ; however, saveException() does not accept null , maybe add an additional type check?
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass|null */
function mayReturnNull() { }
function doesNotAcceptNull(stdClass $x) { }
// With potential error.
function withoutCheck() {
$x = mayReturnNull();
doesNotAcceptNull($x); // Potential error here.
}
// Safe - Alternative 1
function withCheck1() {
$x = mayReturnNull();
if ( ! $x instanceof stdClass) {
throw new \LogicException('$x must be defined.');
}
doesNotAcceptNull($x);
}
// Safe - Alternative 2
function withCheck2() {
$x = mayReturnNull();
if ($x instanceof stdClass) {
doesNotAcceptNull($x);
}
}
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128 | 7 | } |
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129 | 9 | } |
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130 | |||
131 | /** |
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132 | * {@inheritdoc} |
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133 | */ |
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134 | 9 | View Code Duplication | public static function getSubscribedEvents() |
0 ignored issues
–
show
This method seems to be duplicated in your project.
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository.
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135 | { |
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136 | return [ |
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137 | 9 | Events::REQUEST_CREATED => ['onRequestCreated', -100], |
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138 | 7 | Events::REQUEST_SENT => ['onRequestSent', -100], |
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139 | 7 | Events::REQUEST_ERRORED => ['onRequestErrored', -100], |
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140 | 7 | Events::MULTI_REQUEST_CREATED => ['onMultiRequestCreated', -100], |
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141 | 7 | Events::MULTI_REQUEST_SENT => ['onMultiRequestSent', -100], |
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142 | 7 | Events::MULTI_REQUEST_ERRORED => ['onMultiRequestErrored', -100], |
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143 | 7 | ]; |
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144 | } |
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145 | } |
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146 |
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: