edit user

$request->isMethod('post'){
            $validatedData = $request->validate([
                'nama' => 'required',
                'nokp' => 'required',
                'password' => 'required',
                'idstaf' => 'required',
            ]);

            if ($validatedData->fails()) {
             return redirect('user/edit')->withErrors($validatedData);
            }
            else{
                $user = User::where('idstaf',$idstaf)->first();

                $user->nama = $request->nama;
                $user->nokp = $request->nokp;
                $user->password = $request->password;
                $user->idstaf = $request->idstaf;

                $user->save();

                return view('user.index');
            }
        }
        else {
            $user = User::where('idstaf',$idstaf)->first();
            return view('user.edit',['user' => $user]);
        }