public function add_role()
{
$user_id = Input::get('user_id');
$role = EntrustRole::find(Input::get('role_id'));
$user = $this->user->find($user_id);
$user->attachRole($role);
$assigned = $this->assigned($user_id);
$no_assigned = $this->no_assigned($user_id);
$user = $this->user->find($user_id);
return View::make('user.edit', compact('user', 'no_assigned', 'assigned'));
}
