public function viewCourier($id)
 {
     $adminId = Session::get('admin_id');
     if (!isset($adminId)) {
         return Redirect::to('/');
     }
     if (isset($id)) {
         $courier = Courier::find($id);
         $location = Location::find($courier->location_id);
         if (isset($courier)) {
             Session::put('courier_id', $id);
             return View::make('admin.view-courier')->with('courier', $courier)->with('location', $location);
         } else {
             return Redirect::to('/');
         }
     } else {
         return Redirect::to('/');
     }
 }
 public function getCourier($id)
 {
     if (isset($id)) {
         $courier = Courier::find($id);
         if (isset($courier)) {
             return json_encode(array('message' => 'found', 'courier' => $courier));
         } else {
             return json_encode(array('message' => 'empty'));
         }
     } else {
         return json_encode(array('message' => 'invalid'));
     }
 }