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<?php |
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namespace Bobbyshaw\WatsonVisualRecognition\Message; |
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use Symfony\Component\HttpFoundation\ParameterBag; |
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use GuzzleHttp\ClientInterface; |
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use Bobbyshaw\WatsonVisualRecognition\Helper; |
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/** |
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* Class AbstractRequest |
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* |
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* This abstract class implements RequestInterface and defines a basic |
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* set of functions that all Watson Requests are intended to include. |
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* |
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* Requests of this class are usually created using the createRequest |
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* function and then actioned using methods within this |
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* class or a class that extends this class. |
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* |
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* @package Bobbyshaw\WatsonVisualRecognition\Message |
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*/ |
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abstract class AbstractRequest implements RequestInterface |
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{ |
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const ENDPOINT = 'https://gateway.watsonplatform.net/visual-recognition-beta/api/v2/'; |
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/** |
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* The request parameters |
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* |
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* @var \Symfony\Component\HttpFoundation\ParameterBag |
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*/ |
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protected $parameters; |
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/** |
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* The request client. |
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* |
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* @var \GuzzleHttp\ClientInterface |
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*/ |
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protected $httpClient; |
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/** |
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* An associated ResponseInterface. |
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* |
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* @var ResponseInterface |
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*/ |
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protected $response; |
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/** |
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* Create a new Request |
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* |
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* @param ClientInterface $httpClient A Guzzle client to make API calls with |
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*/ |
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public function __construct(ClientInterface $httpClient) |
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{ |
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$this->httpClient = $httpClient; |
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$this->initialize(); |
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} |
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/** |
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* Get the watson API endpoint |
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* |
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* @api |
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* @return string |
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*/ |
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public function getEndpoint() |
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{ |
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return static::ENDPOINT; |
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} |
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/** |
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* Get full API URL |
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* |
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* @param String $path of API needed |
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* @returns String of full URL |
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*/ |
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public function getApiUrl($path) |
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{ |
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return $this->getEndpoint() . $path; |
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} |
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/** |
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* Initialize the object with parameters. |
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* |
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* @param array $parameters An associative array of parameters |
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* |
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* @return $this |
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* @throws \RuntimeException |
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*/ |
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public function initialize(array $parameters = array()) |
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{ |
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if (null !== $this->response) { |
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throw new \RuntimeException('Request cannot be modified after it has been sent!'); |
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} |
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$this->parameters = new ParameterBag; |
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Helper::initialize($this, $parameters); |
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return $this; |
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} |
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/** |
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* Get all parameters as an associative array. |
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* |
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* @return array |
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*/ |
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public function getParameters() |
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{ |
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return $this->parameters->all(); |
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} |
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/** |
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* Get a single parameter. |
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* |
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* @param string $key The parameter key |
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* @return mixed |
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*/ |
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protected function getParameter($key) |
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{ |
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return $this->parameters->get($key); |
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} |
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/** |
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* Set a single parameter |
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* |
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* @param string $key The parameter key |
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* @param mixed $value The value to set |
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* @return AbstractRequest Provides a fluent interface |
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* @throws \RuntimeException if a request parameter is modified after the request has been sent. |
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*/ |
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protected function setParameter($key, $value) |
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{ |
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if (null !== $this->response) { |
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throw new \RuntimeException('Request cannot be modified after it has been sent!'); |
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} |
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$this->parameters->set($key, $value); |
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return $this; |
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} |
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/** |
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* Get Username |
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* |
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* @return mixed |
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*/ |
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public function getUsername() |
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{ |
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return $this->getParameter('username'); |
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} |
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/** |
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* Set Username |
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* |
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* @param $value |
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* @return $this |
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*/ |
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public function setUsername($value) |
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{ |
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$this->setParameter('username', $value); |
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return $this; |
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} |
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/** |
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* Get password |
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* |
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* @return mixed |
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*/ |
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public function getPassword() |
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{ |
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return $this->getParameter('password'); |
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} |
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/** |
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* Set Password |
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* |
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* @param $value |
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* @return $this |
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*/ |
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public function setPassword($value) |
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{ |
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$this->setParameter('password', $value); |
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return $this; |
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} |
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/** |
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* Get Version |
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* |
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* @return mixed |
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*/ |
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public function getVersion() |
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{ |
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return $this->getParameter('version'); |
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} |
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/** |
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* Get image file. |
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* |
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* @return mixed |
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*/ |
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public function getImagesFile() |
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{ |
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return $this->getParameter('images_file'); |
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} |
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/** |
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* Set Image file |
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* |
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* @param $value |
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* @return AbstractRequest |
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*/ |
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public function setImagesFile($value) |
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{ |
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$this->setParameter('images_file', $value); |
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return $this; |
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} |
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/** |
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* Get Classifier Ids |
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* |
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* @return mixed |
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*/ |
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public function getClassifierIds() |
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{ |
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return $this->getParameter('classifier_ids'); |
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} |
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/** |
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* Set Classifier Ids |
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* @param $value |
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* @return $this |
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*/ |
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public function setClassifierIds($value) |
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{ |
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$this->setParameter('classifier_ids', $value); |
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return $this; |
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} |
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/** |
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* Set version |
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* |
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* @param $value |
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* @return $this |
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*/ |
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public function setVersion($value) |
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{ |
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$this->setParameter('version', $value); |
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return $this; |
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} |
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/** |
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* Configure command is run before every request is sent |
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*/ |
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public function configure() |
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{ |
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} |
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/** |
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* Get Default request data params |
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* |
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* @return array |
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*/ |
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public function getData() |
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{ |
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return [ |
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'username' => $this->getUsername(), |
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'password' => $this->getPassword(), |
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'version' => $this->getVersion() |
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]; |
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} |
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/** |
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* Send the request |
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* |
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* @return ResponseInterface |
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*/ |
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public function send() |
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{ |
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$this->configure(); |
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$data = $this->getData(); |
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return $this->sendData($data); |
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} |
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/** |
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* Get the associated Response. |
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* |
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* @return ResponseInterface |
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*/ |
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public function getResponse() |
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{ |
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if (null === $this->response) { |
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throw new \RuntimeException('You must call send() before accessing the Response!'); |
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} |
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return $this->response; |
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} |
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} |
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