| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Ps2alerts\Api\Utility; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use League\Fractal\TransformerAbstract; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Ps2alerts\Api\Contract\EndpointInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Ps2alerts\Api\Contract\FractalAwareInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Ps2alerts\Api\Contract\FractalAwareTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Ps2alerts\Api\Contract\UtilityAwareInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Ps2alerts\Api\Contract\UtilityAwareTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use Psr\Http\Message\ResponseInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use Ps2alerts\Api\Contract\HttpMessageAwareInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use Ps2alerts\Api\Contract\HttpMessageAwareTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | abstract class ResponseHandler implements | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     FractalAwareInterface, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     EndpointInterface, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     HttpMessageAwareInterface, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     UtilityAwareInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     use FractalAwareTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     use HttpMessageAwareTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     use UtilityAwareTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     const CODE_WRONG_ARGS     = 'API-MALFORMED-REQUEST'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     const CODE_NOT_FOUND      = 'API-NOT-FOUND'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     const CODE_INTERNAL_ERROR = 'API-DOH'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     const CODE_EXTERNAL_ERROR = 'API-NOT-MY-PROBLEM'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     const CODE_UNAUTHORIZED   = 'API-UNAUTHORIZED'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     const CODE_FORBIDDEN      = 'API-DENIED'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     const CODE_EMPTY          = 'API-EMPTY'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * Stores the status code | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @var integer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     protected $statusCode = 200; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * Flag whether to send back a "is cached" header | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * @var boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     protected $sendCachedHeader = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * Getter for statusCode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     public function getStatusCode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         return $this->statusCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * Setter for statusCode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * @param integer $statusCode Value to set | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @return self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     public function setStatusCode(int $statusCode) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         $this->statusCode = (int) $statusCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * Master function to split out appropriate calls | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * @param  string              $kind     The kind of data we wish to return | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * @param  array               $data     The data itself | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      * @param  TransformerAbstract $transformer The transformer class to call | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * @return ResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     public function respond(string $kind, array $data, TransformerAbstract $transformer) | 
                            
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                | 80 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         // Detect what embeds we need | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         if (!empty($_GET['embed'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |             $this->getFractalManager()->parseIncludes($_GET['embed']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         switch ($kind) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |             case 'item': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |                 return $this->respondWithItem($data, $transformer); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |             case 'collection': | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |                 return $this->respondWithCollection($data, $transformer); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |             default: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |                 return $this->respondWithError('No Response was defined. Please report this!', self::CODE_INTERNAL_ERROR); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * Builds an item response in Fractal then hands off to the responder | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * @param  array               $item        The item to transform | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      * @param  TransformerAbstract $transformer The Transformer to pass through to Fractal | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |      * @return ResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     public function respondWithItem(array $item, TransformerAbstract $transformer) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |         return $this->respondWithData($this->getFractalUtility()->createItem($item, $transformer)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |      * Builds a collection of items from Fractal then hands off to the responder | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * @param  array               $collection  The collection to transform | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * @param  TransformerAbstract $transformer The Transformer to pass through to Fractal | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @return ResponseInterface | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 116 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  |     public function respondWithCollection(array $collection, TransformerAbstract $transformer) | 
            
                                                                        
                            
            
                                    
            
            
                | 118 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 119 |  |  |         return $this->respondWithData($this->getFractalUtility()->createCollection($collection, $transformer)); | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |      * Responds gracefully with an error. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |      * @param  string $message   Response message to put in the error | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |      * @param  int    $code Error code to set | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * @return ResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     public function respondWithError(string $message, $code) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |         switch ($code) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |             case self::CODE_WRONG_ARGS: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |                 $this->setStatusCode(400); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |             case self::CODE_UNAUTHORIZED: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |                 $this->setStatusCode(401); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |             case self::CODE_FORBIDDEN: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |                 $this->setStatusCode(403); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |             case self::CODE_EMPTY: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |             case self::CODE_NOT_FOUND: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |                 $this->setStatusCode(404); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |             case self::CODE_INTERNAL_ERROR: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |             case self::CODE_EXTERNAL_ERROR: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |                 $this->setStatusCode(500); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |                 break; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |          | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |         if ($this->getStatusCode() === 200) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |             trigger_error( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |                 '200 code sent when we\'re attempting to respond with an error!', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |                 E_USER_ERROR | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |             ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         // Pass to responder | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |         return $this->respondWithData([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |             'error' => [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |                 'code' => $code, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |                 'http_code' => $this->getStatusCode(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |                 'message' => $message, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |             ] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |         ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |      * The final step where the formatted array is now sent back as a response in JSON form | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |      * @param  array $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |      * @return ResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |     public function respondWithData(array $data) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |         $response = $this->getResponse(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |         $response->getBody()->write(json_encode($data)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |         $response = $response->withStatus($this->getStatusCode()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |         $response = $response->withHeader('Content-Type', 'application/json'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |         $response = $response->withHeader('X-Redis-Cache-Status', $this->getRedisUtility()->getFlag()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |         $response = $response->withHeader('X-Redis-Cache-Hits', $this->getRedisUtility()->getHitCount()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |         $response = $response->withHeader('X-Redis-Cache-Misses', $this->getRedisUtility()->getMissCount()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |         // This is the end of the road. FIRE ZE RESPONSE! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |         return $response; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 190 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 191 |  |  | } | 
            
                        
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: