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<?php |
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namespace Gemz\HttpClient; |
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use Symfony\Contracts\HttpClient\ChunkInterface; |
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use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface; |
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use Symfony\Contracts\HttpClient\ResponseInterface; |
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class Stream |
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{ |
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/** @var string */ |
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const STATUS_FULFILLED = 'FULFILLED'; |
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/** @var string */ |
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const STATUS_REJECTED = 'REJECTED'; |
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/** @var string */ |
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const STATUS_TIMEOUT = 'TIMEOUT'; |
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/** @var string */ |
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const STATUS_PENDING = 'PENDING'; |
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/** @var ResponseInterface */ |
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protected $response; |
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/** @var ChunkInterface */ |
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protected $chunk; |
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/** @var string */ |
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protected $status = self::STATUS_PENDING; |
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/** @var TransportExceptionInterface */ |
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protected $exception; |
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/** |
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* @param ResponseInterface $response |
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* @param ChunkInterface $chunk |
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* |
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* @return Stream |
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*/ |
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public static function from(ResponseInterface $response, ChunkInterface $chunk) |
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{ |
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return new self($response, $chunk); |
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} |
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/** |
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* @param ResponseInterface $response |
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* @param ChunkInterface $chunk |
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*/ |
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public function __construct(ResponseInterface $response, ChunkInterface $chunk) |
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{ |
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$this->response = $response; |
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$this->chunk = $chunk; |
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$this->detectStatus(); |
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} |
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protected function detectStatus(): void |
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{ |
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try { |
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if ($this->chunk->isLast()) { |
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$this->setStatus(self::STATUS_FULFILLED); |
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} |
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if ($this->chunk->isTimeout()) { |
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$this->setStatus(self::STATUS_TIMEOUT); |
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} |
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} catch (TransportExceptionInterface $e) { |
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$this->setStatus(self::STATUS_REJECTED); |
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$this->exception = $e; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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protected function getStatus() |
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{ |
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return $this->status; |
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} |
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/** |
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* @param string $status |
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* |
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* @return $this |
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*/ |
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protected function setStatus(string $status) |
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{ |
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$this->status = $status; |
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return $this; |
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} |
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/** |
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* @return bool |
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*/ |
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protected function isPending(): bool |
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{ |
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return $this->getStatus() == 'PENDING'; |
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} |
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/** |
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* @return bool |
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*/ |
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protected function isFulfilled(): bool |
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{ |
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return $this->getStatus() == 'FULFILLED'; |
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} |
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/** |
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* @return bool |
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*/ |
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protected function isTimeout(): bool |
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{ |
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return $this->getStatus() == 'TIMEOUT'; |
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} |
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/** |
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* @return bool |
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*/ |
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protected function isRejected(): bool |
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{ |
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return $this->getStatus() == 'REJECTED'; |
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} |
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/** |
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* @param callable $callback |
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* |
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* @return $this |
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*/ |
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public function then(callable $callback): self |
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{ |
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if ($this->isFulfilled()) { |
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$callback($this->response()); |
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} |
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return $this; |
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} |
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/** |
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* @param callable $callback |
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* |
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* @return $this |
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*/ |
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public function timeout(callable $callback): self |
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{ |
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if ($this->isTimeout()) { |
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$callback($this->response()); |
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} |
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return $this; |
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} |
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/** |
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* @param callable $callback |
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* |
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* @return $this |
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*/ |
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public function catch(callable $callback): self |
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{ |
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if ($this->isRejected()) { |
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$callback($this->exception, $this->response()); |
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} |
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return $this; |
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} |
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/** |
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* @return Response |
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*/ |
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protected function response(): Response |
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{ |
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return Response::createFromResponse($this->response); |
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} |
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} |
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gemzio /
http-client
