/**
* The following headers are always modified:
*
* - `Cache-Control`: sets _cacheable_ to _public_.
* - `Expires`: is set to "+1 month".
*
* If the status code is {@link Stauts::NOT_MODIFIED} the following headers are unset:
*
* - `Content-Type`
* - `Content-Length`
*
* Otherwise, the following header is set:
*
* - `Content-Type`:
*
* @inheritdoc
*/
protected function finalize(Headers &$headers, &$body)
{
parent::finalize($headers, $body);
$status = $this->status->code;
$expires = $this->expires;
$headers['Expires'] = $expires;
$headers['Cache-Control']->cacheable = 'public';
$headers['Cache-Control']->max_age = $expires->timestamp - DateTime::now()->timestamp;
$headers['Content-Type'] = $this->content_type;
$headers['Etag'] = $this->etag;
if ($status === Status::NOT_MODIFIED) {
$this->finalize_for_not_modified($headers);
return;
}
if ($status === Status::PARTIAL_CONTENT) {
$this->finalize_for_partial_content($headers);
return;
}
$this->finalize_for_other($headers);
}
/**
* If `$body` is null the function does nothing.
*
* If {@link $rc} is a closure `$body` is set to {@link $rc}.
*
* Otherwise a JSON string is created with the message, errors and {@link $metas} of the
* response. If the response is successful the {@link $rc} property is also present. This JSON
* string is set in `$body`. The `Content-Type` header field is set to
* "application/json" and the `Content-Length` header field is set to the length of the JSON
* string.
*
* @inheritdoc
*/
protected function finalize(Headers &$headers, &$body)
{
parent::finalize($headers, $body);
if ($body !== null) {
return;
}
$rc = $this->rc;
# streaming
if ($rc instanceof \Closure) {
$body = $rc;
return;
}
$this->finalize_as_json($this->finalize_as_array($rc), $headers, $body);
}
