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<?php |
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namespace Cerbero\LazyJsonPages; |
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use Cerbero\LazyJsonPages\Exceptions\LazyJsonPagesException; |
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use GuzzleHttp\Client; |
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use Illuminate\Http\Client\Response; |
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use Illuminate\Support\Arr; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* The source wrapper. |
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* |
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*/ |
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class SourceWrapper |
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{ |
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/** |
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* The original source. |
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* |
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* @var RequestInterface|Response |
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*/ |
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public $original; |
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/** |
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* The HTTP request. |
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* |
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* @var RequestInterface |
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*/ |
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public $request; |
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/** |
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* The HTTP response. |
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* |
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* @var ResponseInterface |
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*/ |
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public $response; |
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/** |
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* The decoded JSON. |
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* |
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* @var array |
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*/ |
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protected $decodedJson; |
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/** |
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* Instantiate the class. |
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* |
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* @param RequestInterface|Response $source |
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* |
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* @throws LazyJsonPagesException |
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*/ |
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public function __construct($source) |
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{ |
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if (!$source instanceof RequestInterface && !$source instanceof Response) { |
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throw new LazyJsonPagesException('The provided JSON source is not valid.'); |
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} |
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$this->original = $source; |
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$this->request = $this->getSourceRequest(); |
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$this->response = $this->getSourceResponse(); |
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} |
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/** |
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* Retrieve the HTTP request of the source |
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* |
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* @return RequestInterface |
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* |
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* @throws LazyJsonPagesException |
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*/ |
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protected function getSourceRequest(): RequestInterface |
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{ |
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if ($this->original instanceof RequestInterface) { |
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return $this->original; |
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} elseif (isset($this->original->transferStats)) { |
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return $this->original->transferStats->getRequest(); |
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} |
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throw new LazyJsonPagesException('The HTTP client response is not aware of the original request.'); |
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} |
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/** |
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* Retrieve the HTTP response of the source |
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* |
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* @return ResponseInterface |
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*/ |
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protected function getSourceResponse(): ResponseInterface |
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{ |
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if ($this->original instanceof RequestInterface) { |
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return (new Client())->send($this->original); |
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} |
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return $this->original->toPsrResponse(); |
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} |
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/** |
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* Retrieve a fragment of the decoded JSON |
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* |
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* @param string $path |
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* @param mixed $default |
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* @return mixed |
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*/ |
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public function json(string $path, $default = null) |
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{ |
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if (!isset($this->decodedJson)) { |
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$this->decodedJson = json_decode((string) $this->response->getBody(), true); |
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} |
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return Arr::get($this->decodedJson, $path, $default); |
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} |
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} |
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cerbero90 /
lazy-json-pages
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