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Pass Micro Transaction Module - Register your bank cards to PASS application and make your transaction the most convenient and fastest way. PASS.MN

example/lib/main.dart

import 'dart:convert';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'dart:async';

import 'package:intl/intl.dart';
import 'package:flutter/services.dart';
import 'package:pass_mtx/pass_mtx.dart';
import 'package:qr_flutter/qr_flutter.dart';

void main() {
  runApp(
    const MaterialApp(
      home: MyApp(),
    ),
  );
}

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

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  static const String RESPONSE_OK = "ok";
  static const String RESPONSE_NG = "ng";

  String _passInitResult = 'Unknown';
  String loggedUserId = "1";

  // OTP , amount
  String verificationMethod = "amount";

  // Verification code
  String verificationValue = "1010";
  String? qrData;
  String? orderId;

  final _passMtxPlugin = PassMtx();

  // Pass purchase
  TextEditingController responseController = TextEditingController();
  TextEditingController response2Controller = TextEditingController();
  TextEditingController amountController = TextEditingController();
  TextEditingController tokenController = TextEditingController();

  TextEditingController cardNoController = TextEditingController();
  TextEditingController cardCvvController = TextEditingController();
  TextEditingController cardExpireDateController = TextEditingController();
  TextEditingController cardHolderNameController = TextEditingController();

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String passInitResult;

    String appId = "<app_id>";

    // DATABANK талаас үүсгэж өгсөн ClientID
    String clientId = "<client_id>";

    // DATABANK талаас үүсгэж өгсөн PrivateKey
    String privatePem = "<private_key>";

    // DATABANK талаас үүсгэж өгсөн PublicKey
    String publicPem = "<public_key>";

    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      if (kReleaseMode) {
        passInitResult = await _passMtxPlugin.initProd(
                appId, clientId, privatePem, publicPem) ??
            'Unknown platform version';
      } else {
        passInitResult =
            await _passMtxPlugin.init(appId, clientId, privatePem, publicPem) ??
                'Unknown platform version';
      }
    } on PlatformException {
      passInitResult = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _passInitResult = passInitResult;
      response2Controller.text = _passInitResult;
    });
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> callSaveCard(String szPan, String szCvv, String szExpDate,
      String szCardHolderName) async {
    String pingResult;
    String saveCardResult;
    String verifyCardResult;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      pingResult = await _passMtxPlugin.getPassPing() ?? 'Get Ping Failed';
    } on PlatformException {
      pingResult = 'Failed to Ping.';
    }
    debugPrint("Ping Result $pingResult");
    try {
      saveCardResult = await _passMtxPlugin.saveCard(
              loggedUserId, szPan, szCvv, szExpDate, szCardHolderName) ??
          'Save Card Failed';
    } on PlatformException {
      saveCardResult = 'Failed to Save Card.';
    }

    Map<String, dynamic> jsonBody = json.decode(saveCardResult);
    if (jsonBody.containsKey("status_code") &&
        jsonBody["status_code"] == RESPONSE_OK) {
      Map<String, dynamic> jsonRet = jsonBody["ret"];
      if (jsonRet.containsKey("amount")) {
        verificationValue = jsonRet["amount"];
        verificationValue =
            verificationValue.substring(verificationValue.length - 4);
        try {
          verifyCardResult = await _passMtxPlugin.verifyCard(
                  loggedUserId, verificationMethod, verificationValue) ??
              'Verify Card Failed';
        } on PlatformException {
          verifyCardResult = 'Failed to Verify Card.';
        }
        debugPrint("Verify Card Result $verifyCardResult");
      }
    }

    setState(() {
      response2Controller.text = saveCardResult;
    });

    debugPrint("Save Card Result $saveCardResult");
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> callDeleteCard() async {
    String deleteCardResult;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      deleteCardResult = await _passMtxPlugin.deleteCard(
              loggedUserId, "f21a974d-b54f-4bd5-951b-6233ae7b8bd4") ??
          'Get Card Failed';
    } on PlatformException {
      deleteCardResult = 'Failed to get platform version.';
    }
    setState(() {
      response2Controller.text = deleteCardResult;
    });
    debugPrint("Deleted result $deleteCardResult");
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> callSetDefaultCard() async {
    String setDefaultCardResult;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      setDefaultCardResult = await _passMtxPlugin.setDefaultCard(
              loggedUserId, "9288e3be-99aa-45b2-a28e-47fc1702a9fc") ??
          'Set Default Card Failed';
    } on PlatformException {
      setDefaultCardResult = 'Failed to get platform version.';
    }
    setState(() {
      response2Controller.text = setDefaultCardResult;
    });
    debugPrint("Deleted result $setDefaultCardResult");
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> callLoadCardToken() async {
    String getCardResult;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      getCardResult =
          await _passMtxPlugin.getCard(loggedUserId) ?? 'Get Card Failed';
    } on PlatformException {
      getCardResult = 'Failed to get platform version.';
    }
    setState(() {
      response2Controller.text = getCardResult;
    });
    debugPrint("GetCard result $getCardResult");
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> makePassPurchase() async {
    if (amountController.text.isEmpty) {
      return;
    }

    String passPurchaseResult;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    String amount = amountController.text;

    String realAmount = (int.parse(amount) * 100).toString();

    DateTime now = DateTime.now();
    String formattedDate = DateFormat('yyyyMMddHHmmss').format(now);

    try {
      passPurchaseResult = await _passMtxPlugin.makePassPurchase(
            "1", // userId
            "pass_inapp_txn_1", // orderId
            tokenController.text, // paymentToken
            "2509", // expDate
            realAmount, // paymentAmount
            "DTB$formattedDate", // dbRefNo
            "pass txn test", // description
          ) ??
          'Make Purchase Failed';
    } on PlatformException {
      passPurchaseResult = 'Failed to get platform version.';
    }

    setState(() {
      responseController.text = passPurchaseResult;
    });
    debugPrint("PassPurchase result $passPurchaseResult");
  }

  Future<void> passGetQr() async {
    String passGetQrResult;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.

    setState(() {
      orderId = "INAPPV1${DateTime.now().millisecondsSinceEpoch}";
    });
    try {
      passGetQrResult = await _passMtxPlugin.passGetQr(
            "1", // userId
            orderId ?? "", // orderId
            tokenController.text, // paymentToken
            "2509", // expDate
            "3600", // ttl
          ) ??
          'Get QR Failed';
      setState(() {
        qrData = passGetQrResult;
      });

      debugPrint("GetQR qr Data $qrData");

      while (true) {
        String orderEnqueryResult = await _passMtxPlugin.orderEnquery(
              "1", // userId
              orderId ?? "", // orderId
            ) ??
            'Get Order enquery Failed';

        debugPrint("OrderEnquery result $orderEnqueryResult");
        if (orderEnqueryResult.contains("confirm_required")) {
          bool? result = await _showMyDialog();
          if (result ?? false) {
            await confirmOrder();
            return;
          }
          await cancelOrder();
          setState(() {
            qrData = null;
          });
          break;
        } else if (orderEnqueryResult.contains("paid")) {
          setState(() {
            qrData = null;
          });
          break;
        }
        await Future.delayed(const Duration(seconds: 5));
      }
    } on PlatformException {
      passGetQrResult = 'Failed to get platform version.';
    }

    debugPrint("GetQR result $passGetQrResult");
  }

  Future<void> cancelOrder() async {
    String orderCancelResult;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.

    try {
      orderCancelResult = await _passMtxPlugin.orderCancel(
            "1", // userId
            orderId ?? "", // orderId
          ) ??
          'OrderCancel Failed';
    } on PlatformException {
      orderCancelResult = 'Failed to get platform version.';
    }

    debugPrint("OrderCancel result $orderCancelResult");
  }

  Future<void> confirmOrder() async {
    String orderConfirmResult;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.

    try {
      orderConfirmResult = await _passMtxPlugin.orderConfirm(
              "1", // userId
              orderId ?? "", // orderId
              "",
              "",
              tokenController.text,
              cardExpireDateController.text) ??
          'OrderConfirm Failed';
    } on PlatformException {
      orderConfirmResult = 'Failed to get platform version.';
    }

    Map<String, dynamic> jsonData = json.decode(orderConfirmResult);
    Map<String, dynamic> jsonRet = {};
    if (jsonData.containsKey("ret")) {
      jsonRet = jsonData["ret"];
      if (jsonRet.containsKey("resp_code") && jsonRet["resp_code"] == "000") {
        setState(() {
          qrData = null;
        });
      }
    }

    debugPrint("OrderConfirm result $orderConfirmResult");
  }

  Future<bool?> _showMyDialog() async {
    return showDialog<bool>(
      context: context,
      barrierDismissible: false, // user must tap button!
      builder: (BuildContext context) {
        return AlertDialog(
          title: const Text('CONFIRMATION'),
          content: const SingleChildScrollView(
            child: ListBody(
              children: <Widget>[
                Text('Guilgee batalgaajuulna uu.'),
              ],
            ),
          ),
          actions: <Widget>[
            TextButton(
              child: const Text('Approve'),
              onPressed: () {
                Navigator.of(context).pop(true);
              },
            ),
            TextButton(
              child: const Text('Cancel'),
              onPressed: () {
                Navigator.of(context).pop(false);
              },
            ),
          ],
        );
      },
    );
  }

  @override
  Widget build(BuildContext context) {
    return DefaultTabController(
      initialIndex: 0,
      length: 3,
      child: Scaffold(
        resizeToAvoidBottomInset: false,
        appBar: AppBar(
          title: const Text('Pass MTX Example'),
          bottom: const TabBar(
            tabs: <Widget>[
              Tab(
                icon: Icon(Icons.credit_card_outlined),
              ),
              Tab(
                icon: Icon(Icons.shopping_cart_outlined),
                text: "Sale /direct/",
              ),
              Tab(
                icon: Icon(Icons.shopping_cart_outlined),
                text: "Sale /cpm/",
              ),
            ],
          ),
        ),
        body: TabBarView(
          children: <Widget>[buildCardsExample, buildTxnView, buildCpmTxnView],
        ),
      ),
    );
  }

  Widget get buildCpmTxnView => SingleChildScrollView(
        child: Column(
          children: [
            const Text("Pass CPM Purchase Test"),
            const SizedBox(
              height: 30,
            ),
            TextField(
              controller: tokenController,
              keyboardType: TextInputType.number,
              maxLength: 100,
              textInputAction: TextInputAction.done,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
                labelText: 'Payment Token',
              ),
            ),
            const SizedBox(
              height: 30,
            ),
            TextField(
              controller: cardExpireDateController,
              keyboardType: TextInputType.number,
              maxLength: 4,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
                labelText: 'Expire Date',
              ),
            ),
            const SizedBox(
              height: 30,
            ),
            TextButton(
              child: const Text("GET QR"),
              onPressed: () {
                FocusScope.of(context).unfocus();
                passGetQr();
              },
            ),
            qrData != null
                ? Column(
                    children: [
                      QrImageView(
                        data: qrData ?? "",
                        version: QrVersions.auto,
                        size: 200.0,
                      ),
                      const SizedBox(
                        height: 30,
                      ),
                      Row(
                        mainAxisAlignment: MainAxisAlignment.center,
                        children: [
                          TextButton(
                            child: const Text(
                              "CANCEL",
                              style: TextStyle(color: Colors.red),
                            ),
                            onPressed: () {
                              cancelOrder();
                            },
                          ),
                        ],
                      )
                    ],
                  )
                : Container(),
          ],
        ),
      );

  Widget get buildTxnView => Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          const Text("Pass Direct Purchase Test"),
          const SizedBox(
            height: 30,
          ),
          TextField(
            controller: tokenController,
            keyboardType: TextInputType.number,
            maxLength: 100,
            decoration: const InputDecoration(
              border: OutlineInputBorder(),
              labelText: 'Payment Token',
            ),
          ),
          const SizedBox(
            height: 10,
          ),
          TextField(
            controller: amountController,
            keyboardType: TextInputType.number,
            maxLength: 16,
            decoration: const InputDecoration(
              border: OutlineInputBorder(),
              labelText: 'Amount',
            ),
          ),
          TextButton(
            child: const Text("Pay"),
            onPressed: () {
              makePassPurchase();
            },
          ),
          const Text("Pass Purchase Response"),
          const SizedBox(
            height: 10,
          ),
          TextField(
            controller: responseController,
            keyboardType: TextInputType.number,
            maxLength: 1000,
            readOnly: true,
            maxLines: 10,
            style: const TextStyle(fontSize: 12),
            decoration: const InputDecoration(
              border: OutlineInputBorder(),
            ),
          ),
        ],
      );

  Widget get buildCardsExample => SingleChildScrollView(
        physics: const AlwaysScrollableScrollPhysics(),
        child: Wrap(
          spacing: 20,
          runSpacing: 20,
          children: [
            const SizedBox(
              height: 5,
            ),
            TextField(
              controller: cardNoController,
              keyboardType: TextInputType.number,
              maxLength: 16,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
                labelText: 'Card Number',
              ),
            ),
            TextField(
              controller: cardHolderNameController,
              maxLength: 26,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
                labelText: 'Card Holder Name',
              ),
            ),
            TextField(
              controller: cardCvvController,
              keyboardType: TextInputType.number,
              maxLength: 3,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
                labelText: 'CVV',
              ),
            ),
            TextField(
              controller: cardExpireDateController,
              keyboardType: TextInputType.number,
              maxLength: 4,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
                labelText: 'Expire Date',
              ),
            ),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              children: [
                TextButton(
                    child: const Text("Save"),
                    onPressed: () {
                      callSaveCard(
                        cardNoController.text,
                        cardCvvController.text,
                        cardExpireDateController.text,
                        cardHolderNameController.text,
                      );
                      debugPrint(
                          "Card NO :${cardNoController.text}\nCVV:${cardCvvController.text}\nEXPDATE:${cardExpireDateController.text}\nHOLDER:${cardHolderNameController.text}");
                    }),
                TextButton(
                  child: const Text("Load"),
                  onPressed: () {
                    callLoadCardToken();
                  },
                ),
                TextButton(
                  child: const Text("Set Default"),
                  onPressed: () {
                    callSetDefaultCard();
                  },
                ),
                TextButton(
                  child: const Text(
                    "Delete",
                    style: TextStyle(
                        color: Colors.red, fontWeight: FontWeight.bold),
                  ),
                  onPressed: () {
                    callDeleteCard();
                  },
                ),
              ],
            ),
            const Text("Request Response"),
            const SizedBox(
              height: 10,
            ),
            TextField(
              controller: response2Controller,
              keyboardType: TextInputType.number,
              maxLength: 1000,
              readOnly: true,
              maxLines: 10,
              style: const TextStyle(fontSize: 12),
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
              ),
            ),
          ],
        ),
      );
}
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Publisher

verified publisherdatabank.mn

Pass Micro Transaction Module - Register your bank cards to PASS application and make your transaction the most convenient and fastest way. PASS.MN

Homepage

Documentation

API reference

License

BSD-3-Clause (license)

Dependencies

flutter, intl, plugin_platform_interface, qr_flutter

More

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