| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * This file is part of the PHP SDK library for the Superdesk Content API. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Copyright 2015 Sourcefabric z.u. and contributors. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * For the full copyright and license information, please see the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * AUTHORS and LICENSE files distributed with this source code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @copyright 2015 Sourcefabric z.ú. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @license http://www.superdesk.org/license | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | namespace Superdesk\ContentApiSdk\Api; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use Superdesk\ContentApiSdk\ContentApiSdk; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use Superdesk\ContentApiSdk\Exception\ResponseException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use Superdesk\ContentApiSdk\Exception\InvalidDataException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use stdClass; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | use SimpleXMLElement; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | use Exception; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * API Response object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | class Response | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     const TYPE_ITEMS = 'items'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     const TYPE_PACKAGES = 'packages'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     const CONTENT_TYPE_JSON = 'application/json'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     const CONTENT_TYPE_XML = 'application/xml'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * Unprocessed body as returned by the api. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     protected $rawBody; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * Content type of the response, we should support xml and json. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     protected $contentType; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * Type of response. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     protected $type; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      * Request URI. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     protected $href; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * List of response headers. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      * @var array|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     protected $headers; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * Current page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     protected $page; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * Next page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     protected $nextPage; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * Previous page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     protected $prevPage; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * Last page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |     protected $lastPage; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * Maximum of results on 1 page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     protected $maxResults; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      * Total amount of results for current parameters. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     protected $total; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * Array container resources or stdClass with properties. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @var array|stdClass | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     protected $resources; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |      * Array of keys which are not part of the actual single data (item or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |      * package). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |     protected $metaKeys = array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |         '_links' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |     ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |      * Constructs Response. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      * @param string     $body    Body of a response as string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |      * @param array|null $headers List of headers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |     public function __construct($body, array $headers = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |         $this->rawBody = $body; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |         $this->headers = $headers; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |         $this->determineContentType(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |         $this->processRawBody(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |      * Determine the content type of the response via header. If header is not | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |      * set, then content will be analyzed. Throws exception on failure. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |      * @return string Content type of the response | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |      * @throws ResponseException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |     private function determineContentType() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |         if (isset($this->headers['Content-Type']) && in_array($this->headers['Content-Type'], $this->getSupportedContenTypes())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |             $this->contentType = $this->headers['Content-Type']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |             return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |         // Try to determine content type based on body | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |         try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |             new SimpleXMLElement($this->rawBody); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |             $this->contentType = self::CONTENT_TYPE_XML; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |             return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |         } catch (Exception $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |             // Not valid XML | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |         $json = json_decode($this->rawBody); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |         if (!is_null($json) && json_last_error() === JSON_ERROR_NONE) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |             $this->contentType = self::CONTENT_TYPE_JSON; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |             return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |         throw new ResponseException('Could not determine response content-type.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |      * Return valid response content types. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |      * @return string[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |     public static function getSupportedContenTypes() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |         return array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |             self::CONTENT_TYPE_JSON, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |             self::CONTENT_TYPE_XML, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |      * Sets properties based on response body. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |      * @throws ResponseException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |     private function processRawBody() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |         switch ($this->contentType) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |             case self::CONTENT_TYPE_JSON: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |                 try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |                     $responseJson = ContentApiSdk::getValidJsonObj($this->rawBody); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |                 } catch (InvalidDataException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |                     throw new ResponseException($e->getMessage(), $e->getCode(), $e); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |                 $this->type = $responseJson->_links->self->title; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |                 $this->href = $responseJson->_links->self->href; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |                 if (property_exists($responseJson, '_meta')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |                     $this->page = $responseJson->_meta->page; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |                     $this->maxResults = $responseJson->_meta->max_results; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |                     $this->total = $responseJson->_meta->total; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |                     $this->nextPage = (property_exists($responseJson->_links, 'next')) ? $this->page + 1 : $this->page; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |                     $this->prevPage = (property_exists($responseJson->_links, 'prev')) ? $this->page - 1 : $this->page; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |                     $this->lastPage = (property_exists($responseJson->_links, 'last')) ? (int) ceil($this->total / $this->maxResults) : $this->page; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |                     $this->resources = $responseJson->_items; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |                 } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |                     $resourceObj = new stdClass(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |                     foreach ($responseJson as $key => $value) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |                         if (in_array($key, $this->metaKeys)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |                             continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |                         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |                         $resourceObj->$key = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |                     $this->resources = $resourceObj; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |             case self::CONTENT_TYPE_XML: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |         return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |      * Returns content type. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |     public function getContentType() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |         return $this->contentType; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |      * Returns response type. Package or item. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  |     public function getType() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |         return $this->type; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  |      * Returns the response href. In most cases this is the request uri. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  |     public function getHref() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  |         return $this->href; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |      * Returns current page number. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  |     public function getCurrentPage() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  |         return $this->page; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  |      * Returns next page number. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |     public function getNextPage() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  |         return $this->nextPage; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  |      * Returns previous page number. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  |     public function getPreviousPage() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  |         return $this->prevPage; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  |      * Returns last page number. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  |     public function getLastPage() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  |         return $this->lastPage; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  |      * Returns first page number. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  |     public function getFirstPage() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  |         return 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |      * Returns whether current page is last page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |     public function isLastPage() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  |         return $this->getCurrentPage() === $this->getLastPage(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  |      * Returns whether current page is first page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  |     public function isFirstPage() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  |         return $this->getCurrentPage() === $this->getFirstPage(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  |      * Returns maximum results displayed per page. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  |     public function getMaxResults() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  |         return $this->maxResults; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 |  |  |      * Returns total amount of results. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 |  |  |     public function getTotalResults() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 |  |  |         return $this->total; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  |      * Returns the response resources, items or packages. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 |  |  |      * @return array | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 369 |  |  |      */ | 
            
                                                        
            
                                    
            
            
                | 370 |  |  |     public function getResources() | 
            
                                                        
            
                                    
            
            
                | 371 |  |  |     { | 
            
                                                        
            
                                    
            
            
                | 372 |  |  |         return $this->resources; | 
            
                                                        
            
                                    
            
            
                | 373 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 374 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 375 |  |  |  | 
            
                        
There are different options of fixing this problem.
If you want to be on the safe side, you can add an additional type-check:
If you are sure that the expression is traversable, you might want to add a doc comment cast to improve IDE auto-completion and static analysis:
Mark the issue as a false-positive: Just hover the remove button, in the top-right corner of this issue for more options.