// Redirect billplz
    public function billplzHandleRedirect(Request $request)
    {
        $billplz = Client::make(config('billplz.billplz_key'), config('billplz.billplz_signature'));
        if (config('billplz.billplz_sandbox')) {
            $billplz->useSandbox();
        }
        $bill = $billplz->bill();
        try {
            $bill = $bill->redirect($request->all());
        } catch (\Exception $e) {
            dd($e->getMessage());
        }

        $bill['data'] = $billplz->bill()->get($bill['id'])->toArray();
        $status = $bill['paid'];
        $amount =  $bill['data']['amount']->amount();
        $paid_date = $bill['data']['paid_at'];
        $email = $bill['data']['email'];
        $bill_id = $bill['id'];

        if ($status == 'true') {
            $status = 'Paid';
        } elseif ($status == 'false') {
            $status = 'Failed';
        } else {
            $status = 'Pending';
        }

        $transaction = new PaymentTransaction();
        $transaction->b_id = $bill_id;
        $transaction->pt_date = $paid_date;
        $transaction->pt_status = $status;
        $transaction->pt_payment_method = 'FPX';
        $transaction->save();

        $campaigns = DB::table('bill')
        ->select('bill.b_id', 'c_code', 'c_name', 'b_fee')
        ->join('campaign', 'campaign.c_id', '=', 'bill.c_id')
        ->where('bill.b_id', $bill_id)
        ->get();

        // print_r($bill);
        return view('campaign.handleBill', compact('bill','campaigns'));
    }