api upah group

public function apiHitungUpahGroup($id)
    {
        $periodegaji = PeriodeGaji::find($id);
        $periodemulai = $periodegaji->tanggal_mulai_periode;
        $periodeselesai = $periodegaji->tanggal_selesai_periode;

        $group = Group::with('karyawans.gajis')->get();
        for($g = 0; $g < count($group); $g++) {
            $poin = 0;
            $upah = 0;
            for($k = 0; $k < count($group[$g]->karyawans); $k++) {
                if(isset($group[$g]->karyawans[$k]->gajis)) {
                    for($gj = 0; $gj < count($group[$g]->karyawans[$k]->gajis); $gj++) {
                        if($group[$g]->karyawans[$k]->gajis[$gj]->periodegaji_id == $id) {
                            $poin = $poin + $group[$g]->karyawans[$k]->gajis[$gj]->poin;
                            $upah = $upah + $group[$g]->karyawans[$k]->gajis[$gj]->total;
                        }
                    }
                }
            }
            $group[$g]->setAttribute('total_karyawan', count($group[$g]->karyawans));
            $group[$g]->setAttribute('total_poin', $poin);
            $group[$g]->setAttribute('total_upah_group', $upah);
        }

        return Response::json($group);
    }