phonepe_pg_htkc 1.0.2

PhonePe PG HTKC is a reusable Flutter package that integrate PhonePe Payment Gateway in any Flutter project.

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;
    }

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);

    }

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: 

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: '[phone]', 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.
    );
  }
}

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);
    }
  }

}

Other instruction

This package is currently not working properly in flutter web