/**
* Converts a Request entity into an array that is batch-friendly.
*
* @param FacebookRequest $request The request entity to convert.
* @param string|null $requestName The name of the request.
* @param string|null $attachedFiles Names of files associated with the request.
*
* @return array
*/
public function requestEntityToBatchArray(FacebookRequest $request, $requestName = null, $attachedFiles = null)
{
$compiledHeaders = [];
$headers = $request->getHeaders();
foreach ($headers as $name => $value) {
$compiledHeaders[] = $name . ': ' . $value;
}
$batch = ['headers' => $compiledHeaders, 'method' => $request->getMethod(), 'relative_url' => $request->getUrl()];
// Since file uploads are moved to the root request of a batch request,
// the child requests will always be URL-encoded.
$body = $request->getUrlEncodedBody()->getBody();
if ($body) {
$batch['body'] = $body;
}
if (isset($requestName)) {
$batch['name'] = $requestName;
}
if (isset($attachedFiles)) {
$batch['attached_files'] = $attachedFiles;
}
// @TODO Add support for "omit_response_on_success"
// @TODO Add support for "depends_on"
// @TODO Add support for JSONP with "callback"
return $batch;
}
/**
* Prepares the request for sending to the client handler.
*
* @param FacebookRequest $request
*
* @return array
*/
public function prepareRequestMessage(FacebookRequest $request)
{
$postToVideoUrl = $request->containsVideoUploads();
$url = $this->getBaseGraphUrl($postToVideoUrl) . $request->getUrl();
// If we're sending files they should be sent as multipart/form-data
if ($request->containsFileUploads()) {
$requestBody = $request->getMultipartBody();
$request->setHeaders(['Content-Type' => 'multipart/form-data; boundary=' . $requestBody->getBoundary()]);
} else {
$requestBody = $request->getUrlEncodedBody();
$request->setHeaders(['Content-Type' => 'application/x-www-form-urlencoded']);
}
return [$url, $request->getMethod(), $request->getHeaders(), $requestBody->getBody()];
}