public function getlinkfilecongvandenbyuser($filename) { $user = Auth::user(); $is_download = File::downloadcongvandenbyusername($filename, $user); if ($is_download) { $file = storage_path() . '/uploads/' . $filename; return response()->download($file); } else { return \Redirect::to('/')->with('error', 'Không có quyền truy cập'); } }