| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Guillermoandrae\Lambda\Contracts; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | abstract class AbstractApiGatewayResponse implements ApiGatewayResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |      * The event data from the API Gateway request. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     protected $event; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |      * Successful HTTP status code; returned by default. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |      * @var int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     protected $statusCode = 200; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * An array of headers to be sent with the response. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     protected $headers = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * An array of headers to be sent with every response. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     protected $requiredHeaders = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |         'Access-Control-Allow-Origin' => '*', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * An array of data that represents the body of the response. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     protected $body = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         'meta' => [], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         'data' => [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 1 |  |     final public function setEvent(array $event): ApiGatewayResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 1 |  |         $this->event = $event; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 | 1 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 | 1 |  |     final public function getEvent(): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 | 1 |  |         return $this->event; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 1 |  |     final public function setStatusCode(int $statusCode): ApiGatewayResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 1 |  |         $this->statusCode = $statusCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 1 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 2 |  |     final public function getStatusCode(): int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 | 2 |  |         return $this->statusCode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 | 1 |  |     final public function addHeader(string $name, $value): ApiGatewayResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 | 1 |  |         $this->headers[$name] = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 | 1 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 | 2 |  |     final public function getHeaders(): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 2 |  |         return array_merge($this->headers, $this->requiredHeaders); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 79 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 80 | 1 |  |     final public function addBodyMeta(string $name, $value): ApiGatewayResponseInterface | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 82 | 1 |  |         $this->body['meta'][$name] = $value; | 
            
                                                                        
                            
            
                                    
            
            
                | 83 | 1 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 | 1 |  |     final public function setBodyData(array $value): ApiGatewayResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 | 1 |  |         $this->body['data'] = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 | 1 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 1 |  |     final public function getBody(): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 1 |  |         return $this->body; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 | 1 |  |     final public function send(): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 1 |  |         $this->handle(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |         return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 | 1 |  |             'statusCode' => $this->getStatusCode(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 1 |  |             'headers' => $this->getHeaders(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 | 1 |  |             'body' => json_encode($this->getBody()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 1 |  |     public function handle(): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |         $songs = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 | 1 |  |             ['artist' => 'Afta-1', 'songTitle' => 'Quest', 'albumTitle' => 'Aftathoughts Vol. 1'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |             ['artist' => 'Eric Lau', 'songTitle' => 'Cloud Burst', 'albumTitle' => 'Quadrivium'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |             ['artist' => 'Dr. Who Dat?', 'songTitle' => 'Braziliant Thought', 'albumTitle' => 'Beat Journey'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 | 1 |  |         $this->addBodyMeta('count', count($songs)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 | 1 |  |         $this->setBodyData($songs); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 | 1 |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 117 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 118 |  |  |  |