/**
* Prepares the response based on the Request object
* This method is not essential and can be cut out of the chain.
* However it cleans up the headers and does some other stuff under the hood.
* @param Request $req The request object
*
* @return \Modulework\Modules\Http\Response THIS
*/
public function prepare(Request $request)
{
if ($this->isInvalid()) {
throw new RunTimeException('Response is invalid (' . $this->statusCode . ')');
}
if ($this->isInformational()) {
$this->content = null;
}
$this->charset = $this->charset ?: 'UTF-8';
if (!$this->headers->has('Content-Type')) {
$this->headers->set('Content-Type', 'text/html; charset=' . $this->charset);
}
// This method tries may cause some issues, if 200 is REQUIRED even when it' s
// redirect response. If you want to change the status code just call it AFTER
// this method:
// e. g. [...]->prepare()->setStatusCode(301)[...]
if ($this->statusCode === 200 && $this->headers->has('Location')) {
$this->setStatusCode('302');
}
if ($request->isMethod('HEAD')) {
$this->content = null;
}
if ('1.0' == $this->getProtocolVersion() && 'no-cache' == $this->headers->get('Cache-Control')) {
$this->headers->set('pragma', 'no-cache');
$this->headers->set('expires', -1);
}
return $this;
}
