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<?php |
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declare(strict_types=1); |
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namespace TheCodingMachine\Gotenberg; |
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use Exception; |
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use GuzzleHttp\Psr7\MultipartStream; |
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use Http\Client\HttpClient; |
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use Http\Discovery\HttpClientDiscovery; |
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use Http\Discovery\MessageFactoryDiscovery; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use function fclose; |
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use function fopen; |
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use function fwrite; |
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final class Client |
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{ |
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/** @var HttpClient */ |
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private $client; |
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/** @var string */ |
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private $apiURL; |
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public function __construct(string $apiURL, ?HttpClient $client = null) |
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{ |
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$this->apiURL = $apiURL; |
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$this->client = $client ?: HttpClientDiscovery::find(); |
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} |
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/** |
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* Sends the given documents to the API and returns the response. |
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* |
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* @throws ClientException |
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* @throws Exception |
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*/ |
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public function post(GotenbergRequestInterface $request): ResponseInterface |
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{ |
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return $this->handleResponse($this->client->sendRequest($this->makeMultipartFormDataRequest($request))); |
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} |
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/** |
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* Sends the given documents to the API, stores the resulting PDF in the given destination. |
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* |
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* @throws ClientException |
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* @throws RequestException |
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* @throws Exception |
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*/ |
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public function store(GotenbergRequestInterface $request, string $destination): void |
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{ |
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if ($request->hasWebhook()) { |
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throw new RequestException('Cannot use method store with a webhook.'); |
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} |
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$response = $this->handleResponse($this->client->sendRequest($this->makeMultipartFormDataRequest($request))); |
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$fileStream = $response->getBody(); |
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$fp = fopen($destination, 'w'); |
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if ($fp === false) { |
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throw FilesystemException::createFromPhpError(); |
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} |
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if (fwrite($fp, $fileStream->getContents()) === false) { |
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throw FilesystemException::createFromPhpError(); |
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} |
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if (fclose($fp) === false) { |
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throw FilesystemException::createFromPhpError(); |
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} |
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} |
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private function makeMultipartFormDataRequest(GotenbergRequestInterface $request): RequestInterface |
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{ |
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$multipartData = []; |
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foreach ($request->getFormValues() as $fieldName => $fieldValue) { |
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$multipartData[] = [ |
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'name' => $fieldName, |
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'contents' => $fieldValue, |
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]; |
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} |
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/** |
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* @var string $filename |
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* @var Document $document |
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*/ |
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foreach ($request->getFormFiles() as $filename => $document) { |
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$multipartData[] = [ |
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'name' => 'files', |
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'filename' => $filename, |
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'contents' => $document->getFileStream(), |
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]; |
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} |
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$body = new MultipartStream($multipartData); |
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$messageFactory = MessageFactoryDiscovery::find(); |
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$message = $messageFactory |
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->createRequest('POST', $this->apiURL . $request->getPostURL()) |
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->withHeader('Content-Type', 'multipart/form-data; boundary="' . $body->getBoundary() . '"') |
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->withBody($body); |
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foreach ($request->getCustomHTTPHeaders() as $key => $value) { |
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$message = $message->withHeader($key, $value); |
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} |
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return $message; |
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} |
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/** |
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* @throws ClientException |
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*/ |
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private function handleResponse(ResponseInterface $response): ResponseInterface |
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{ |
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switch ($response->getStatusCode()) { |
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case 200: |
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return $response; |
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default: |
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throw new ClientException($response->getBody()->getContents(), $response->getStatusCode()); |
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} |
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} |
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} |
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thecodingmachine /
gotenberg-php-client
