/**
* Fallback filter the API response to inject the Customized REST resources.
*
* This filter cannot apply on embedded resources since they get injected
* after the rest_post_dispatch filter is called. For this reason, it serves
* as a fallback if the customize_rest_server_response_data filter can't be
* used in our WP_REST_Server subclass.
*
* @param \WP_HTTP_Response $result Result to send to the client. Usually a \WP_REST_Response.
* @param \WP_REST_Server $server Server instance.
* @param \WP_REST_Request $request Request used to generate the response.
* @return \WP_REST_Response
*/
public static function filter_rest_post_dispatch($result, $server, $request)
{
// Skip filtering on rest_post_dispatch if our server subclass is used.
if ($server instanceof WP_Customize_REST_Server) {
return $result;
}
unset($request);
$data = $result->get_data();
$links = null;
if ($result instanceof \WP_REST_Response) {
$links = $result->get_links();
}
if (!empty($links)) {
$data = static::filter_single_resource($data, $links);
} else {
if (isset($data[0])) {
$data = array_map(array(__CLASS__, 'filter_single_resource'), $data);
}
}
$result->set_data($data);
return $result;
}
/**
* Make sure that the context for the request is made known so we know whether it can be customized.
*
* @param \WP_HTTP_Response $response Result to send to the client. Usually a WP_REST_Response.
* @param \WP_REST_Server $server Server instance.
* @param \WP_REST_Request $request Request used to generate the response.
* @return \WP_HTTP_Response Response.
*/
public function export_context_with_response($response, $server, $request)
{
unset($server);
if ('edit' === $request['context']) {
$response->header('X-Customize-REST-Resources-Context', $request['context']);
}
return $response;
}
/**
* @param WP_HTTP_Response $result Result to send to the client. Usually a WP_REST_Response.
* @param WP_REST_Server $this Server instance.
* @param WP_REST_Request $request Request used to generate the response.
*
* @return WP_HTTP_Response
*/
function epoch_post_dispatch($result, $server, $request)
{
if (isset($_GET['epoch'], $_GET['post']) && 0 < absint($_GET['post'])) {
$query = new WP_Comment_Query(array('post_ID' => $_GET['post'], 'number' => 1, 'order' => 'DESC'));
$highest = 0;
if (0 != $query->found_comments) {
$highest = wp_list_pluck($query->comments, 'comment_ID');
}
$result->header('X-EPOCH-HIGHEST', $highest);
}
return $result;
}
