/**
* Return a new JSON response from the application.
* Inject some headers
*
* @param string|array $data
* @param int $status
* @param array $headers
* @return \Illuminate\Http\JsonResponse
*/
public static function resourceJson($data = array(), $status = 200, array $headers = array())
{
$resource = new Resource($data);
$etag = $resource->getEtag();
if (!empty($etag)) {
$headers['ETag'] = $etag;
}
unset($resource);
return self::json($data, $status, $headers);
}
/**
* Return ETag based on collection of items
*
* @return string md5 of all ETags
*/
public function getEtags()
{
$etag = '';
if ($this->data instanceof ArrayableInterface) {
$this->data = $this->data->toArray();
}
foreach ($this->data as $item) {
$item = new Resource($item);
$etag .= $item->getEtag();
unset($item);
}
return md5($etag);
}
