phonepe_pg_htkc

Description:

phonepe pg htkc

PhonePe PG HTKC is a reusable Flutter package that integrate PhonePe Payment Gateway in any Flutter project.
Features #
PhonePe payment gateway complete process for Flutter App with Payment Status.
Other Features Laravel response logics #
public function response(Request $request)
{
$input = $request->all();
$saltKey = '099eb0cd-02cf-4e2a-8aca-3e6c6aff0399';
$saltIndex = 1;

$finalXHeader = hash('sha256','/pg/v1/status/'.$input['merchantId'].'/'.$input['transactionId'].$saltKey).'###'.$saltIndex;

$response = Curl::to('https://api.phonepe.com/apis/hermes/pg/v1/status/'.$input['merchantId'].'/'.$input['transactionId'])
->withHeader('Content-Type:application/json')
->withHeader('accept:application/json')
->withHeader('X-VERIFY:'.$finalXHeader)
->withHeader('X-MERCHANT-ID:'.$input['merchantId'])
->get();

return $response;
}
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Laravel initiate payment logics #

public function phonePe()
{
$data = array (
'merchantId' => 'PGTESTPAYUAT',
'merchantTransactionId' => uniqid(),
'merchantUserId' => 'MERCHANTUSERID1',
'amount' => 100,
'redirectUrl' => route('response'),
'redirectMode' => 'POST',
'callbackUrl' => route('response'),
'mobileNumber' => '9999999999',
'paymentInstrument' =>
array (
'type' => 'PAY_PAGE',
),
);

$encode = base64_encode(json_encode($data));

$saltKey = '099eb0cd-02cf-4e2a-8aca-3e6c6aff0399';
$saltIndex = 1;

$string = $encode.'/pg/v1/pay'.$saltKey;
$sha256 = hash('sha256',$string);

$finalXHeader = $sha256.'###'.$saltIndex;

$response = Curl::to('https://api.phonepe.com/apis/hermes/pg/v1/pay')
->withHeader('Content-Type:application/json')
->withHeader('X-VERIFY:'.$finalXHeader)
->withData(json_encode(['request' => $encode]))
->post();

$rData = json_decode($response);

return redirect()->to($rData->data->instrumentResponse->redirectInfo->url);

}
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Getting started #
Create your project and follow below instructions.
Usage #
[Example] (https://github.com/ChandraHemant/phonepe_pg_htkc/blob/main/example/)
To use this package : *add dependency to your [pubspec.yaml] file
dependencies:
flutter:
sdk: flutter
phonepe_pg_htkc:
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Add to your dart file #
import 'package:example/controllers/pg_payment_controller.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:nb_utils/nb_utils.dart';

void main() {
runApp(const MyApp());
}

class MyApp extends StatelessWidget {
const MyApp({super.key});

// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo PhonePe',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: const MyHomePage(title: 'Flutter Demo PhonePe PG'),
);
}
}

class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});

final String title;

@override
State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
final controller = Get.put(PGPaymentController());
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
title: Text(widget.title),
),
body: Obx(()=> Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text(
'PhonePe Payment Gateway Integration',
),
MaterialButton(
onPressed: (){
controller.initPayment(customerMobile: '+919876543210', amount: 100);
},
color: greenColor,
child: Text(
'Pay Now',
style: boldTextStyle(color: white),
),
),
50.height,
Visibility(
visible: !controller.isVisible.value,
child: MaterialButton(
onPressed: (){
controller.checkPaymentStatus();
},
color: greenColor,
child: Text(
'Check Status',
style: boldTextStyle(color: white),
),
),
),
],
),
),
), // This trailing comma makes auto-formatting nicer for build methods.
);
}
}

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Controller Logics #
import 'package:get/get.dart';
import 'package:nb_utils/nb_utils.dart';
import 'package:phonepe_pg_htkc/models/pg_payment_status_model.dart';
import 'package:phonepe_pg_htkc/phonepe_pg_htkc.dart';
import 'package:url_launcher/url_launcher.dart';
import 'package:uuid/uuid.dart';

class PGPaymentController extends GetxController {
var isLoading = false.obs;
var isVisible = true.obs;
var errorMsg = ''.obs;
var merchantTransactionId = ''.obs;
var paymentStatusResponse = List<PGPaymentStatusResponse>.empty().obs;
Uuid uuid = const Uuid();


void checkPaymentStatus() async {
try {
isLoading(true);
var data = await PhonePeApiServices.checkTransactionStatus(merchantTransactionId.value);
if (data != null) {
if(data.code=='PAYMENT_SUCCESS'){
toast('Payment Success!!');
} else if(data.code=='PAYMENT_PENDING'){
toast('Please complete payment process!!!');
} else if(data.code=='PAYMENT_ERROR'){
isVisible(true);
toast('Payment failed! Please try again!');
}
} else {
isVisible(true);
toast('Transaction failed! Please try again!');
}
} finally {
isLoading(false);
}
}

Future<bool> initPayment({
required String customerMobile,
required double amount}) async {
merchantTransactionId.value = uuid.v1();
try {
isLoading(true);
var paymentResponse = await PhonePeApiServices.initTransaction(merchantTransactionId.value, customerMobile, amount);
if (paymentResponse != null) {
await launchUrl(Uri.parse(paymentResponse.data.instrumentResponse.redirectInfo.url),mode: LaunchMode.externalNonBrowserApplication);
isVisible(false);
return true;
} else {
toast('Something went wrong! Please try again later');
return true;
}
} finally {
isLoading(false);
}
}

}

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Other instruction #
This package is currently not working properly in flutter web