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<?php |
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namespace PeterColes\Betfair\Http; |
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use Exception; |
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use GuzzleHttp\Client as GuzzleClient; |
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use Psr\Http\Message\ResponseInterface; |
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use PeterColes\Betfair\Api\Auth; |
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use stdClass; |
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class Client |
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{ |
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protected $guzzleClient; |
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protected $method = 'get'; |
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protected $uri = ''; |
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protected $options = [ ]; |
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/** |
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* instantiate Guzzle client (unless one is injected). |
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* |
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* @param GuzzleClient $httpClient |
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*/ |
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public function __construct($httpClient = null) |
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{ |
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$this->guzzleClient = $httpClient ?: new GuzzleClient; |
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$this->options[ 'headers' ] = [ 'Accept' => 'application/json' ]; |
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} |
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/** |
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* Setter for request method. |
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* |
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* @param string $method |
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* @return Client |
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*/ |
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public function setMethod(string $method) |
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{ |
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$this->method = $method; |
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return $this; |
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} |
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/** |
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* Setter for request end point URI. |
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* |
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* @param string $endPoint |
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* @return Client |
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*/ |
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public function setEndPoint(string $endPoint) |
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{ |
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$this->uri = $endPoint; |
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return $this; |
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} |
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/** |
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* Setter for request headers. |
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* |
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* @param array $header |
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* @return Client |
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*/ |
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public function addHeader(array $header) |
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{ |
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$this->options[ 'headers' ] += $header; |
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return $this; |
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} |
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/** |
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* Setter for authentication headers. |
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* |
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* @param array $headers |
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* @return Client |
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*/ |
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public function authHeaders(array $headers = [ ]) |
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{ |
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if (count($headers) == 0) { |
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$headers = [ 'X-Application' => Auth::$appKey, 'X-Authentication' => Auth::$sessionToken ]; |
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} |
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$this->options[ 'headers' ] = array_merge($this->options[ 'headers' ], $headers); |
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return $this; |
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} |
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/** |
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* Setter for request form data. |
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* |
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* @param array $formData |
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* @return Client |
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*/ |
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public function setFormData(array $formData) |
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{ |
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$this->options[ 'form_params' ] = $formData; |
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return $this; |
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} |
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/** |
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* Setter for params. |
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* |
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* @param string $params |
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* @return Client |
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*/ |
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public function setParams($params) |
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{ |
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if ($params) { |
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foreach ($params as $key => $value) { |
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$this->options[ 'json' ][ $key ] = $value; |
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} |
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} |
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return $this; |
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} |
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/** |
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* Dispatch the request and provide hooks for error handling for the response. |
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* |
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* @return object stdClass |
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*/ |
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public function send() |
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{ |
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$response = $this->guzzleClient->request($this->method, $this->uri, $this->options); |
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$body = $this->getBody($response); |
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if (is_object($body) && isset($body->status) && $body->status != 'SUCCESS') { |
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$this->handleApiException($body->error); |
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} |
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return $body; |
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} |
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/** |
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* Get http response body, cast to json and decode. |
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* |
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* @param ResponseInterface $response |
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* @return array |
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*/ |
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protected function getBody(ResponseInterface $response) |
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{ |
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return json_decode((string) $response->getBody()); |
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} |
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/** |
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* Stub for API exception handling. |
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* |
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* @param String $exception |
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*/ |
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protected function handleApiException($exception) { |
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throw new Exception('API request failure. API Exception Message: '.$exception); |
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} |
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} |
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