public function update(\App\Http\Requests\UpdateUserRequest $request, $user_id)
{
// get user
$user = $this->user->update($user_id, $request->all());
// sync the roles if the user provided for one
if ($request->get('roles')) {
$user->roles()->sync($request->get('roles'));
} else {
$user->roles()->sync([]);
}
// flash successfull message
$request->session()->flash('success', 'Successfully update user');
// return back to previous
return back();
}
