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1 | <?php |
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2 | |||
3 | namespace SEQL\ByHttpRequest; |
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4 | |||
5 | use Onoi\HttpRequest\HttpRequestFactory; |
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6 | use SEQL\QueryEncoder; |
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7 | use SEQL\QueryResultFactory; |
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8 | use SMWQuery as Query; |
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9 | |||
10 | /** |
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11 | * @license GNU GPL v2+ |
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12 | * @since 1.0 |
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13 | * |
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14 | * @author mwjames |
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15 | */ |
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16 | class QueryResultFetcher { |
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17 | |||
18 | /** |
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19 | * @var HttpRequestFactory |
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20 | */ |
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21 | private $httpRequestFactory; |
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22 | |||
23 | /** |
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24 | * @var QueryResultFactory |
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25 | */ |
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26 | private $queryResultFactory; |
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27 | |||
28 | /** |
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29 | * @var JsonResponseParser |
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30 | */ |
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31 | private $jsonResponseParser; |
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32 | |||
33 | /** |
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34 | * @var string |
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35 | */ |
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36 | private $httpRequestEndpoint = ''; |
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37 | |||
38 | /** |
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39 | * @var string |
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40 | */ |
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41 | private $repositoryTargetUrl = ''; |
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42 | |||
43 | /** |
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44 | * @var string |
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45 | */ |
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46 | private $httpResponseCachePrefix; |
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47 | |||
48 | /** |
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49 | * @var integer |
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50 | */ |
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51 | private $httpResponseCacheLifetime; |
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52 | |||
53 | /** |
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54 | * @since 1.0 |
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55 | * |
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56 | * @param HttpRequestFactory $httpRequestFactory |
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57 | * @param QueryResultFactory $queryResultFactory |
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58 | * @param JsonResponseParser $jsonResponseParser |
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59 | */ |
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60 | 6 | public function __construct( HttpRequestFactory $httpRequestFactory, QueryResultFactory $queryResultFactory, JsonResponseParser $jsonResponseParser ) { |
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61 | 6 | $this->httpRequestFactory = $httpRequestFactory; |
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62 | 6 | $this->queryResultFactory = $queryResultFactory; |
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63 | 6 | $this->jsonResponseParser = $jsonResponseParser; |
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64 | 6 | } |
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65 | |||
66 | /** |
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67 | * @since 1.0 |
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68 | * |
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69 | * @param string $httpRequestEndpoint |
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70 | */ |
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71 | 2 | public function setHttpRequestEndpoint( $httpRequestEndpoint ) { |
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72 | 2 | $this->httpRequestEndpoint = $httpRequestEndpoint; |
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73 | 2 | } |
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74 | |||
75 | /** |
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76 | * @since 1.0 |
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77 | * |
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78 | * @param string $repositoryTargetUrl |
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79 | */ |
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80 | 2 | public function setRepositoryTargetUrl( $repositoryTargetUrl ) { |
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81 | 2 | $this->repositoryTargetUrl = $repositoryTargetUrl; |
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82 | 2 | } |
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83 | |||
84 | /** |
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85 | * @since 1.0 |
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86 | * |
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87 | * @param string $httpResponseCachePrefix |
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88 | */ |
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89 | 1 | public function setHttpResponseCachePrefix( $httpResponseCachePrefix ) { |
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90 | 1 | $this->httpResponseCachePrefix = $httpResponseCachePrefix; |
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91 | 1 | } |
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92 | |||
93 | /** |
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94 | * @since 1.0 |
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95 | * |
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96 | * @param integer $httpResponseCacheLifetime |
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97 | */ |
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98 | 1 | public function setHttpResponseCacheLifetime( $httpResponseCacheLifetime ) { |
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99 | 1 | $this->httpResponseCacheLifetime = $httpResponseCacheLifetime; |
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100 | 1 | } |
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101 | |||
102 | /** |
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103 | * @since 1.0 |
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104 | * |
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105 | * @param Query $query |
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106 | * |
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107 | * @return QueryResult |
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108 | */ |
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109 | 5 | public function fetchQueryResult( Query $query ) { |
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110 | |||
111 | 5 | $this->doResetPrintRequestsToQuerySource( $query ); |
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112 | |||
113 | 5 | list( $result, $isFromCache ) = $this->doMakeHttpRequestFor( $query ); |
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114 | |||
115 | 5 | if ( $result === array() || $result === false || $result === null ) { |
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116 | 3 | return $this->queryResultFactory->newEmptyQueryResult( $query ); |
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117 | } |
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118 | |||
119 | 2 | if ( isset( $result['error'] ) ) { |
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120 | 1 | $query->addErrors( isset( $result['error']['info'] ) ? array( $result['error']['info'] ) : $result['error']['query'] ); |
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121 | 1 | return $this->queryResultFactory->newEmptyQueryResult( $query ); |
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122 | } |
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123 | |||
124 | // Add the source from where the result was retrieved |
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125 | 1 | if ( isset( $result['query']['meta']['source'] ) ) { |
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126 | $result['query']['meta']['source'] = $query->getQuerySource(); |
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127 | } |
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128 | |||
129 | 1 | $this->jsonResponseParser->doParse( $result ); |
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130 | |||
131 | 1 | $queryResult = $this->queryResultFactory->newByHttpRequestQueryResult( |
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132 | 1 | $query, |
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133 | 1 | $this->jsonResponseParser |
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134 | 1 | ); |
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135 | |||
136 | 1 | $queryResult->setFromCache( $isFromCache ); |
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137 | 1 | ||
138 | 1 | $queryResult->setRemoteTargetUrl( |
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139 | str_replace( '$1', '', $this->repositoryTargetUrl ) |
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140 | 1 | ); |
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141 | |||
142 | return $queryResult; |
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143 | 5 | } |
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144 | |||
145 | 5 | private function doResetPrintRequestsToQuerySource( $query ) { |
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146 | |||
147 | 5 | $querySource = $query->getQuerySource(); |
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148 | |||
149 | 5 | foreach ( $query->getExtraPrintouts() as $printRequest ) { |
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150 | 4 | ||
151 | if ( $printRequest->getData() === null ) { |
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152 | continue; |
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153 | 1 | } |
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154 | 1 | ||
155 | $property = $printRequest->getData()->getDataItem(); |
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156 | 1 | $property->setInterwiki( $querySource ); |
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157 | |||
158 | $printRequest->getData()->setDataItem( $property ); |
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159 | 1 | ||
160 | 5 | // Reset label after dataItem was re-added |
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161 | 5 | $printRequest->setLabel( $printRequest->getLabel() ); |
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162 | } |
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163 | 5 | } |
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164 | |||
165 | 5 | private function doMakeHttpRequestFor( $query ) { |
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166 | |||
167 | 5 | $httpRequest = $this->httpRequestFactory->newCachedCurlRequest(); |
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168 | 5 | ||
169 | $httpRequest->setOption( ONOI_HTTP_REQUEST_RESPONSECACHE_TTL, $this->httpResponseCacheLifetime ); |
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170 | 5 | $httpRequest->setOption( ONOI_HTTP_REQUEST_RESPONSECACHE_PREFIX, $this->httpResponseCachePrefix . ':seql:' ); |
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171 | |||
172 | 5 | $httpRequest->setOption( CURLOPT_FOLLOWLOCATION, true ); |
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173 | 5 | ||
174 | 5 | $httpRequest->setOption( CURLOPT_RETURNTRANSFER, true ); |
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175 | $httpRequest->setOption( CURLOPT_FAILONERROR, true ); |
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176 | 5 | $httpRequest->setOption( CURLOPT_SSL_VERIFYPEER, false ); |
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177 | |||
178 | 5 | $httpRequest->setOption( CURLOPT_URL, $this->httpRequestEndpoint . '?action=ask&format=json&query=' . QueryEncoder::rawUrlEncode( $query ) ); |
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179 | 5 | ||
180 | $httpRequest->setOption( CURLOPT_HTTPHEADER, array( |
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181 | 5 | 'Accept: application/json', |
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182 | 'Content-Type: application/json; charset=utf-8' |
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183 | 5 | ) ); |
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184 | |||
185 | 5 | $response = $httpRequest->execute(); |
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186 | |||
187 | return array( json_decode( $response, true ), $httpRequest->isFromCache() ); |
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188 | } |
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189 | |||
190 | } |
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191 |
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.