| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * ActiveRecord for API | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @link      https://github.com/hiqdev/yii2-hiart | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @package   yii2-hiart | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @license   BSD-3-Clause | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @copyright Copyright (c) 2015-2019, HiQDev (http://hiqdev.com/) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | namespace hiqdev\hiart; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | abstract class AbstractRequest implements RequestInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |      * @var string response implementation to be specified in concrete implementation | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     protected $responseClass; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * @var string request handler implementation to be specified in concrete implementation | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     protected $handlerClass; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * @var QueryBuilderInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     protected $builder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * @var Query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     protected $query; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @var string Connection name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     protected $dbname; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * @var array request method | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     protected $method; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     protected $uri; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     protected $headers = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     protected $body; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     protected $version; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     protected $isBuilt; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     protected $parts = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     protected $fullUri; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     abstract public function send($options = []); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 | 3 |  |     public function __construct(QueryBuilderInterface $builder, Query $query) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 3 |  |         $this->builder = $builder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 3 |  |         $this->query = $query; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 3 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     public function getDbname() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |         return $this->dbname; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 2 |  |     public function getMethod() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 2 |  |         return $this->method; | 
                            
                    |  |  |  | 
                                                                                        
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                | 69 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |     public function getUri() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |         return $this->uri; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 2 |  |     public function getFullUri() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 2 |  |         if ($this->fullUri === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 2 |  |             $this->fullUri = $this->createFullUri(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 | 2 |  |         return $this->fullUri; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 2 |  |     public function createFullUri() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 | 2 |  |         return ($this->isFullUri($this->uri) ? '' : $this->getDb()->getBaseUri()) . $this->uri; | 
                            
                    |  |  |  | 
                                                                                        
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                | 88 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 | 2 |  |     public function isFullUri($uri) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 2 |  |         return preg_match('/^https?:\\/\\//i', $uri); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 | 2 |  |     public function getHeaders() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 2 |  |         return $this->headers; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     public function getBody() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |         return $this->body; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 2 |  |     public function getVersion() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 2 |  |         return $this->version; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * @return Query | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 | 2 |  |     public function getQuery() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 | 2 |  |         return $this->query; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 | 2 |  |     public function build() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 | 2 |  |         if ($this->isBuilt === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 | 2 |  |             if (!empty($this->query)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 2 |  |                 $this->updateFromQuery(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 2 |  |             $this->isBuilt = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 | 2 |  |     protected function updateFromQuery() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 2 |  |         $this->builder->prepare($this->query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 2 |  |         $this->buildDbname(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 2 |  |         $this->buildAuth(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 2 |  |         $this->buildMethod(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 | 2 |  |         $this->buildUri(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 | 2 |  |         $this->buildQueryParams(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 2 |  |         $this->buildHeaders(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 2 |  |         $this->buildBody(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 | 2 |  |         $this->buildFormParams(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 | 2 |  |         $this->buildProtocolVersion(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 | 2 |  |     protected function buildDbname() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 | 2 |  |         $this->dbname = $this->getDb()->name; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 | 2 |  |     protected function buildAuth() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 | 2 |  |         $this->builder->buildAuth($this->query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 | 2 |  |     protected function buildMethod() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 | 2 |  |         $this->method = $this->builder->buildMethod($this->query) ?: 'GET'; | 
                            
                    |  |  |  | 
                                                                                        
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                | 156 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 | 2 |  |     protected function buildUri() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 | 2 |  |         $this->uri = $this->builder->buildUri($this->query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 | 2 |  |     protected function buildQueryParams() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 | 2 |  |         $params = $this->builder->buildQueryParams($this->query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 | 2 |  |         if (is_array($params)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 | 2 |  |             $params = http_build_query($params, '', '&'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 | 2 |  |         if (!empty($params)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |             $this->uri .= '?' . $params; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 | 2 |  |     protected function buildHeaders() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 | 2 |  |         $this->headers = $this->builder->buildHeaders($this->query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 | 2 |  |         if (empty($this->headers['User-Agent'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 | 2 |  |             $this->headers['User-Agent'] = $this->prepareUserAgent(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 | 2 |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 181 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 182 | 2 |  |     protected function buildBody() | 
            
                                                                        
                            
            
                                    
            
            
                | 183 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 184 | 2 |  |         $this->body = $this->builder->buildBody($this->query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 | 2 |  |     protected function buildFormParams() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 | 2 |  |         $this->setFormParams($this->builder->buildFormParams($this->query)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 | 2 |  |     protected function setFormParams($params) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 | 2 |  |         if (!empty($params)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |             $this->body = is_array($params) ? http_build_query($params, '', '&') : $params; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |             $this->headers['Content-Type'] = 'application/x-www-form-urlencoded'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 2 |  |     protected function buildProtocolVersion() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 | 2 |  |         $this->version = $this->builder->buildProtocolVersion($this->query) ?: '1.1'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 | 2 |  |     public function serialize() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 | 2 |  |         return serialize($this->getParts()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |     public function unserialize($string) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |         foreach (unserialize($string) as $key => $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |             $this->{$key} = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 | 2 |  |     public function getParts() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 | 2 |  |         if (empty($this->parts)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 | 2 |  |             $this->build(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 | 2 |  |             foreach (['dbname', 'method', 'uri', 'headers', 'body', 'version'] as $key) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 | 2 |  |                 $this->parts[$key] = $this->{$key}; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 | 2 |  |         return $this->parts; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 | 2 |  |     public function isRaw() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 | 2 |  |         return !empty($this->query->options['raw']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |     protected function getHandler() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |         $handler = $this->getDb()->getHandler(); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |         if ($handler === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |             $handler = $this->createHandler(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |         return $handler; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |     protected function createHandler() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |         $config = $this->prepareHandlerConfig($this->getDb()->config); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |         return new $this->handlerClass($config); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |     protected function prepareHandlerConfig($config) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |         return $config; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 | 2 |  |     protected function prepareUserAgent() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 | 2 |  |         return $this->getDb()->getUserAgent(); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |      * @return AbstractConnection|ConnectionInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 | 2 |  |     public function getDb() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 | 2 |  |         return isset($this->builder) ? $this->builder->db : AbstractConnection::getDb($this->dbname); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |      * @param string $header | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |      * @param string $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |     public function addHeader($header, $value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |         if (!isset($this->headers[$header])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |             $this->headers[$header] = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |         $this->headers[$header][] = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |      * Should be declared abstract, but it is not supported in PHP5. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |     public static function isSupported() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |         return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 293 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 294 |  |  |  | 
            
                        
In the issue above, the returned value is violating the contract defined by the mentioned interface.
Let's take a look at an example: