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<?php
namespace Netflie\WhatsAppCloudApi;
use Netflie\WhatsAppCloudApi\Http\ClientHandler;
use Netflie\WhatsAppCloudApi\Http\GuzzleClientHandler;
class Client
{
/**
* @const string Production Graph API URL.
*/
public const BASE_GRAPH_URL = 'https://graph.facebook.com';
/**
* @var ClientHandler The HTTP client handler to send the request.
*/
protected ClientHandler $handler;
/**
* @var string Graph API version used.
*/
protected string $graph_version;
/**
* Creates a new HTTP Client.
*
* @param string $graph_version
* @param ClientHandler|null $handler
*/
public function __construct(string $graph_version, ?ClientHandler $handler = null)
{
$this->handler = $handler ?? $this->defaultHandler();
$this->graph_version = $graph_version;
}
/**
* Send a message request to.
*
* @return Response Raw response from the server.
*
* @throws Netflie\WhatsAppCloudApi\Response\ResponseException
*/
public function sendMessage(Request\RequestWithBody $request): Response
{
$raw_response = $this->handler->postJsonData(
$this->buildRequestUri($request->nodePath()),
$request->body(),
$request->headers(),
$request->timeout()
);
$return_response = new Response(
$request,
$raw_response->body(),
$raw_response->httpResponseCode(),
$raw_response->headers()
);
if ($return_response->isError()) {
$return_response->throwException();
}
return $return_response;
}
/**
* Upload a media file to Facebook servers.
*
* @return Response Raw response from the server.
*
* @throws Netflie\WhatsAppCloudApi\Response\ResponseException
*/
public function uploadMedia(Request\MediaRequest\UploadMediaRequest $request): Response
{
$raw_response = $this->handler->postFormData(
$this->buildRequestUri($request->nodePath()),
$request->form(),
$request->headers(),
$request->timeout()
);
$return_response = new Response(
$request,
$raw_response->body(),
$raw_response->httpResponseCode(),
$raw_response->headers()
);
if ($return_response->isError()) {
$return_response->throwException();
}
return $return_response;
}
/**
* Download a media file from Facebook servers.
*
* @return Response Raw response from the server.
*
* @throws Netflie\WhatsAppCloudApi\Response\ResponseException
*/
public function downloadMedia(Request\MediaRequest\DownloadMediaRequest $request): Response
{
$raw_response = $this->handler->get(
$this->buildRequestUri($request->nodePath()),
$request->headers(),
$request->timeout()
);
$response = Response::fromClientResponse($request, $raw_response);
$media_url = $response->decodedBody()['url'];
$raw_response = $this->handler->get(
$media_url,
$request->headers(),
$request->timeout()
);
$return_response = Response::fromClientResponse($request, $raw_response);
if ($return_response->isError()) {
$return_response->throwException();
}
return $return_response;
}
private function defaultHandler(): ClientHandler
{
return new GuzzleClientHandler();
}
private function buildBaseUri(): string
{
return self::BASE_GRAPH_URL . '/' . $this->graph_version;
}
private function buildRequestUri(string $node_path): string
{
return $this->buildBaseUri() . '/' . $node_path;
}
}