Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
1 | <?php |
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19 | class Guzzle5Adapter implements AdapterInterface |
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20 | { |
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21 | /** |
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22 | * @var Client |
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23 | */ |
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24 | protected $client; |
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25 | |||
26 | /** |
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27 | * @var LoggerInterface |
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28 | */ |
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29 | protected $logger; |
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30 | /** |
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31 | * @param array $options |
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32 | */ |
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33 | public function __construct(array $options = []) |
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55 | |||
56 | public function setLogger(LoggerInterface $logger) |
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57 | { |
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58 | $this->logger = $logger; |
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59 | if ($logger instanceof LoggerInterface) { |
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60 | $this->getEmitter()->attach(new LogSubscriber($logger)); |
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61 | } |
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62 | } |
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63 | |||
64 | |||
65 | /** |
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66 | * @internal |
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67 | * @return \GuzzleHttp\Event\Emitter|\GuzzleHttp\Event\EmitterInterface |
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68 | */ |
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69 | public function getEmitter() |
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70 | { |
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71 | return $this->client->getEmitter(); |
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72 | } |
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73 | |||
74 | /** |
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75 | * @param RequestInterface $request |
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76 | * @return ResponseInterface |
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77 | * @throws \Commercetools\Core\Error\ApiException |
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78 | * @throws \Commercetools\Core\Error\BadGatewayException |
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79 | * @throws \Commercetools\Core\Error\ConcurrentModificationException |
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80 | * @throws \Commercetools\Core\Error\ErrorResponseException |
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81 | * @throws \Commercetools\Core\Error\GatewayTimeoutException |
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82 | * @throws \Commercetools\Core\Error\InternalServerErrorException |
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83 | * @throws \Commercetools\Core\Error\InvalidTokenException |
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84 | * @throws \Commercetools\Core\Error\NotFoundException |
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85 | * @throws \Commercetools\Core\Error\ServiceUnavailableException |
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86 | */ |
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87 | public function execute(RequestInterface $request) |
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88 | { |
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89 | $options = [ |
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90 | 'headers' => $request->getHeaders(), |
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91 | 'body' => (string)$request->getBody() |
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92 | ]; |
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93 | |||
94 | try { |
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95 | $guzzleRequest = $this->client->createRequest($request->getMethod(), (string)$request->getUri(), $options); |
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96 | $guzzleResponse = $this->client->send($guzzleRequest); |
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97 | $response = $this->packResponse($guzzleResponse); |
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98 | } catch (RequestException $exception) { |
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99 | $response = $this->packResponse($exception->getResponse()); |
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100 | throw ApiException::create($request, $response, $exception); |
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101 | } |
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102 | |||
103 | return $response; |
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104 | } |
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105 | |||
106 | protected function packResponse(\GuzzleHttp\Message\ResponseInterface $response = null) |
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107 | { |
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108 | if (!$response instanceof \GuzzleHttp\Message\ResponseInterface) { |
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109 | return null; |
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110 | } |
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111 | return new Response( |
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112 | $response->getStatusCode(), |
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113 | $response->getHeaders(), |
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114 | (string)$response->getBody() |
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115 | ); |
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116 | } |
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117 | |||
118 | /** |
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119 | * @param RequestInterface[] $requests |
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120 | * @return \Psr\Http\Message\ResponseInterface[] |
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121 | * @throws \Commercetools\Core\Error\ApiException |
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122 | * @throws \Commercetools\Core\Error\BadGatewayException |
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123 | * @throws \Commercetools\Core\Error\ConcurrentModificationException |
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124 | * @throws \Commercetools\Core\Error\ErrorResponseException |
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125 | * @throws \Commercetools\Core\Error\GatewayTimeoutException |
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126 | * @throws \Commercetools\Core\Error\InternalServerErrorException |
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127 | * @throws \Commercetools\Core\Error\InvalidTokenException |
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128 | * @throws \Commercetools\Core\Error\NotFoundException |
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129 | * @throws \Commercetools\Core\Error\ServiceUnavailableException |
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130 | */ |
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131 | public function executeBatch(array $requests) |
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152 | |||
153 | /** |
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154 | * @return array |
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155 | */ |
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156 | protected function getBatchHttpRequests(array $requests) |
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157 | { |
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158 | $requests = array_map( |
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159 | function ($request) { |
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160 | /** |
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161 | * @var RequestInterface $request |
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162 | */ |
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163 | return $this->client->createRequest( |
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164 | $request->getMethod(), |
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165 | (string)$request->getUri(), |
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166 | ['headers' => $request->getHeaders()] |
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167 | ); |
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168 | }, |
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169 | $requests |
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170 | ); |
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171 | |||
172 | return $requests; |
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173 | } |
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174 | |||
175 | /** |
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176 | * @param $oauthUri |
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177 | * @param $clientId |
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178 | * @param $clientSecret |
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179 | * @param $formParams |
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180 | * @return ResponseInterface |
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181 | */ |
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182 | public function authenticate($oauthUri, $clientId, $clientSecret, $formParams) |
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204 | |||
205 | /** |
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206 | * @param RequestInterface $request |
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207 | * @return AdapterPromiseInterface |
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208 | */ |
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209 | public function executeAsync(RequestInterface $request) |
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234 | } |
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235 |
This check marks calls to methods that do not seem to exist on an object.
This is most likely the result of a method being renamed without all references to it being renamed likewise.