/**
* Returns one item from Inventory matching the serialnr
* that was requested from Ajax call
*
* @param Request $request (Ajax)
*
* @return json array
*/
public function getInventoryBySerialnr(Request $request)
{
$serialnr = $request->input('query');
$result = Inventory::findBySerialnr($serialnr);
return json_encode($result);
}