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| 1 | <?php |
| 2 | namespace Ably\Models; |
| 3 | |
| 4 | use Ably\Exceptions\AblyRequestException; |
| 5 | |
| 6 | /** |
| 7 | * This class is used as a container for response data from AblyRest::request |
| 8 | * It provides automatic pagination. |
| 9 | */ |
| 10 | class HttpPaginatedResponse extends PaginatedResult { |
| 11 | /** |
| 12 | * @var integer HTTP status code of the page |
| 13 | */ |
| 14 | public $statusCode; |
| 15 | |
| 16 | /** |
| 17 | * @var boolean True when the HTTP status code indicates sucess (200 <= statusCode < 300) |
| 18 | */ |
| 19 | public $success; |
| 20 | |
| 21 | /** |
| 22 | * @var integer Ably error code |
| 23 | */ |
| 24 | public $errorCode; |
| 25 | |
| 26 | /** |
| 27 | * @var string Error message |
| 28 | */ |
| 29 | public $errorMessage; |
| 30 | |
| 31 | /** |
| 32 | * @var Array Array of key value pairs for each response header |
| 33 | */ |
| 34 | public $headers; |
| 35 | |
| 36 | /** |
| 37 | * Constructor. |
| 38 | * @param \Ably\AblyRest $ably Ably API instance |
| 39 | * @param mixed $model Name of a class that will be instantiated for returned results. It must implement a fromJSON() method. |
| 40 | * @param CipherParams|null $cipherParams Optional cipher parameters if data should be decoded |
| 41 | * @param string $method HTTP method |
| 42 | * @param string $path Request path |
| 43 | * @param array $params Parameters to be sent with the request |
| 44 | * @param array $headers Headers to be sent with the request |
| 45 | * @throws AblyRequestException Thrown when the server and all the fallbacks are unreachable |
| 46 | */ |
| 47 | public function __construct( \Ably\AblyRest $ably, $model, $cipherParams, $method, $path, $params = [], $headers = [] ) { |
| 48 | try { |
| 49 | parent::__construct( $ably, $model, $cipherParams, $method, $path, $params, $headers ); |
| 50 | } catch (AblyRequestException $ex) { |
| 51 | $this->response = $ex->getResponse(); |
| 52 | |
| 53 | if ($ex->getCode() >= 50000) { // all fallback hosts failed, rethrow exception |
| 54 | throw $ex; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | $this->parseHeaders($this->response['headers']); |
| 59 | |
| 60 | if ($this->statusCode < 200 | $this->statusCode >= 300) { |
| 61 | $this->success = false; |
| 62 | |
| 63 | if ( isset($this->headers['X-Ably-Errorcode']) ) { |
| 64 | $this->errorCode = $this->headers['X-Ably-Errorcode'] * 1; |
| 65 | } |
| 66 | |
| 67 | if ( isset($this->headers['X-Ably-Errormessage']) ) { |
| 68 | $this->errorMessage = $this->headers['X-Ably-Errormessage']; |
| 69 | } |
| 70 | } else { |
| 71 | $this->success = true; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | private function parseHeaders( $headers ) { |
| 76 | $headers = explode("\n", $headers); |
| 77 | $http = array_shift($headers); |
| 78 | $http = explode(' ', $http); |
| 79 | |
| 80 | $this->statusCode = $http[1] * 1; |
| 81 | $this->headers = []; |
| 82 | |
| 83 | foreach($headers as $header) { |
| 84 | if(!trim($header)) continue; |
| 85 | list($key, $value) = explode(':', $header, 2); |
| 86 | $this->headers[trim($key)] = trim($value); |
| 87 | } |
| 88 | } |
| 89 | } |