/**
  * Returns one item from Inventory matching the barcode
  * that was requested from Ajax call
  *
  * @param Request          $request (Ajax)
  *
  * @return json array
  */
 public function instantSearchBarcode(Request $request)
 {
     $barcode = $request->input('query');
     if ($barcode[0] == "(") {
         $barcode = rtrim($request->input('query'), ")");
         $barcode = trim($barcode, "(");
     }
     $result = Inventory::findByBarcode($barcode);
     return json_encode($result);
 }