public function postEdit($id = false){
        $user       = User::findOrNew($id);
        $data       = Input::all();
        $messages   = array(
            'notifications' => [],
            'errors'        => [],
            'success'       => [],
            'error_fields'  => []
        );

        $valid  = Validator::make($data, User::rules($id), User::$messages);

        if($valid->fails()){
            foreach($valid->messages()->all() as $field => $message)
                $messages['notifications'][] = array(
                    'text' => $message,
                    'icon' => 'fa fa-times',
                    'name' => 'Popraw dane',
                );
                $messages['error_fields'] = array_keys($valid->messages()->toArray());
        }else{
            $user->fill($data);
            $messages['success'][] = array(
                'text' => 'Zmiany zostały zapisane.',
                'icon' => 'fa fa-check',
                'name' => 'Sukces',
            );

            if(isset($data['password']) && $data['password'] != ''){
                $user->password = Hash::make($data['password']);
                $messages['success'][] = array(
                    'text' => 'Hasło zostało zmienione.',
                    'icon' => 'fa fa-lock',
                    'name' => 'Zapisano'
                );
            }


            $user->save();
        }

        if($user->id){
            $messages['mod'] = $user->updated_at.'<br>przez '.Auth::user()->fullName();
            $messages['rol'] = $user->admin ? 'Administrator' : 'Użytkownik';
            $messages['rol'] = '<span class="label label-primary">'. $messages['rol'] .'</span>';
            $messages['cre'] = $user->created_at.'<br>przez '.$user->createdBy->fullName();

            if(!$id) $messages['id'] = $user->id;
        }

        return Response::json($messages);
    }