25-7-26-1
This commit is contained in:
Hamza-Ayed
382
lib/controller/payment/paymob/paymob_wallet.dart
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382
lib/controller/payment/paymob/paymob_wallet.dart
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import 'package:Intaleq/constant/box_name.dart';
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import 'package:Intaleq/main.dart';
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import 'package:dio/dio.dart';
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import 'package:flutter/material.dart';
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import 'package:webview_flutter/webview_flutter.dart';
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import '../../../print.dart';
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import '../../functions/encrypt_decrypt.dart';
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class PaymobResponseWallet {
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final bool success;
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final String? transactionID;
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final String? responseCode;
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final String? message;
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PaymobResponseWallet({
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required this.success,
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this.transactionID,
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this.responseCode,
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this.message,
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});
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factory PaymobResponseWallet.fromJson(Map<String, dynamic> json) {
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return PaymobResponseWallet(
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success: json['success'] == 'true',
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transactionID: json['id'],
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responseCode: json['txn_response_code'],
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message: json['data']['message'],
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);
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}
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}
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class PaymobPaymentWallet {
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static PaymobPaymentWallet instance = PaymobPaymentWallet();
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bool _isInitializedWallet = false;
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final Dio _dio = Dio();
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final _baseURL = 'https://accept.paymob.com/api/';
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late String _apiKey;
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late int _integrationID;
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late int _iFrameID;
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late String _iFrameURL;
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late int _userTokenExpiration;
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/// Initializing PaymobPayment instance.
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Future<bool> initialize({
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/// It is a unique identifier for the merchant which used to authenticate your requests calling any of Accept's API.
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/// from dashboard Select Settings -> Account Info -> API Key
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required String apiKey,
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/// from dashboard Select Developers -> Payment Integrations -> Online Card ID
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required int integrationID,
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/// from paymob Select Developers -> iframes
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required int iFrameID,
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/// The expiration time of this payment token in seconds. (The maximum is 3600 seconds which is an hour)
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int userTokenExpiration = 300,
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}) async {
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if (_isInitializedWallet) {
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return true;
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}
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_dio.options.baseUrl = _baseURL;
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_dio.options.validateStatus = (status) => true;
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_apiKey = apiKey;
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_integrationID = integrationID;
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_iFrameID = iFrameID;
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_iFrameURL =
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'https://accept.paymobsolutions.com/api/acceptance/iframes/$_iFrameID?payment_token=';
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_isInitializedWallet = true;
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_userTokenExpiration = userTokenExpiration;
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return _isInitializedWallet;
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}
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/// Get authentication token, which is valid for one hour from the creation time.
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Future<String> _getAuthToken() async {
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try {
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final response = await _dio.post(
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'auth/tokens',
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data: {
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'api_key': _apiKey,
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},
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);
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return response.data['token'];
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} catch (e) {
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rethrow;
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}
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}
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/// At this step, you will register an order to Accept's database, so that you can pay for it later using a transaction
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Future<int> _addOrder({
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required String authToken,
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required String currency,
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required String amount,
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required List items,
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}) async {
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try {
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final response = await _dio.post(
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'ecommerce/orders',
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data: {
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"auth_token": authToken,
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"delivery_needed": "false",
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"amount_cents": amount,
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"currency": currency,
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"items": items,
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},
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);
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return response.data['id'];
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} catch (e) {
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rethrow;
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}
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}
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/// At this step, you will obtain a payment_key token. This key will be used to authenticate your payment request. It will be also used for verifying your transaction request metadata.
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Future<String> _getPurchaseToken({
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required String authToken,
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required String currency,
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required int orderID,
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required String amount,
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required PaymobBillingDataWallet billingData,
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}) async {
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final response = await _dio.post(
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'acceptance/payment_keys',
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data: {
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"auth_token": authToken,
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"amount_cents": amount,
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"expiration": _userTokenExpiration,
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"order_id": orderID,
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"billing_data": billingData,
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"currency": currency,
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"integration_id": _integrationID,
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"lock_order_when_paid": "false"
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},
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);
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// final message = response.data['message'];
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// if (message != null) {
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// throw Exception(message);
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// }
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return response.data['token'];
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}
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Future<String> _getWalletUrl({
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required String paymentToken,
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}) async {
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final Map<String, dynamic> data = {
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"source": {
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"identifier": (box.read(BoxName.phoneWallet).toString()),
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"subtype": "WALLET",
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},
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"payment_token": paymentToken,
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};
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final dio = Dio();
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try {
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final response = await dio.post(
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'https://accept.paymobsolutions.com/api/acceptance/payments/pay',
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data: data,
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);
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// 4. Handle Payment Response
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if (response.statusCode == 200) {
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final paymentData = response.data; // Assuming JSON response
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return paymentData['iframe_redirection_url'];
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// Navigate to success screen or display success message
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} else {
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// Payment failed: Handle errors (e.g., display error message)
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}
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} on DioError catch (e) {
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// Handle network or Dio-related errors
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}
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return '';
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}
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/// Proceed to pay with only calling this function.
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/// Opens a WebView at Paymob redirectedURL to accept user payment info.
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Future<PaymobResponseWallet?> pay(
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{
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/// BuildContext for navigation to WebView
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required BuildContext context,
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/// Which Currency you would pay in.
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required String currency,
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/// Payment amount in cents EX: 20000 is an 200 EGP
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required String amountInCents,
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/// Optional Callback if you can use return result of pay function or use this callback
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void Function(PaymobResponseWallet response)? onPayment,
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/// list of json objects contains the contents of the purchase.
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List? items,
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/// The billing data related to the customer related to this payment.
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PaymobBillingDataWallet? billingData}) async {
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if (!_isInitializedWallet) {
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throw Exception(
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'PaymobPayment is not initialized call:`PaymobPayment.instance.initialize`');
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}
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final authToken = await _getAuthToken();
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final orderID = await _addOrder(
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authToken: authToken,
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currency: currency,
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amount: amountInCents,
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items: items ?? [],
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);
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final purchaseToken = await _getPurchaseToken(
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authToken: authToken,
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currency: currency,
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orderID: orderID,
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amount: amountInCents,
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billingData: billingData ??
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PaymobBillingDataWallet(
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// email: box.read(BoxName.email) ?? box.read(BoxName.emailDriver),
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// firstName: box.read(BoxName.name) ?? box.read(BoxName.nameDriver),
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// lastName:
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// box.read(BoxName.lastNameDriver) ?? box.read(BoxName.name),
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// phoneNumber:
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// box.read(BoxName.phone) ?? box.read(BoxName.phoneDriver),
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),
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);
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final urlWallet = await _getWalletUrl(paymentToken: purchaseToken);
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Log.print('urlWallet: ${urlWallet}');
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if (context.mounted) {
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final response = await PaymobIFrameWallet.show(
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context: context,
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redirectURL: urlWallet,
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onPayment: onPayment,
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);
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return response;
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}
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return null;
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}
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}
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class PaymobBillingDataWallet {
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String? email;
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String? firstName;
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String? lastName;
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String? phoneNumber;
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String? apartment;
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String? floor;
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String? street;
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String? building;
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String? postalCode;
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String? city;
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String? state;
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String? country;
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String? shippingMethod;
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PaymobBillingDataWallet({
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this.email,
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this.firstName,
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this.lastName,
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this.phoneNumber,
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this.apartment,
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this.floor,
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this.street,
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this.building,
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this.postalCode,
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this.city,
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this.state,
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this.country,
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this.shippingMethod,
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});
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Map<String, dynamic> toJson() {
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return {
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"email": (box.read(BoxName.email)),
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"first_name":
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(box.read(BoxName.name).toString().split(' ')[0]).toString(),
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"last_name":
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(box.read(BoxName.name).toString().split(' ')[1]).toString() ??
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'Intaleq',
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"phone_number": (box.read(BoxName.phoneWallet)),
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"apartment": apartment ?? "NA",
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"floor": floor ?? "NA",
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"building": building ?? "NA",
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"street": street ?? "NA",
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"postal_code": postalCode ?? "NA",
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"city": city ?? "NA",
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"state": state ?? "NA",
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"country": country ?? "NA",
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"shipping_method": shippingMethod ?? "NA",
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};
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}
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}
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class PaymobIFrameWallet extends StatefulWidget {
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const PaymobIFrameWallet({
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Key? key,
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required this.redirectURL,
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this.onPayment,
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}) : super(key: key);
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final String redirectURL;
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final void Function(PaymobResponseWallet)? onPayment;
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static Future<PaymobResponseWallet?> show({
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required BuildContext context,
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required String redirectURL,
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void Function(PaymobResponseWallet)? onPayment,
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}) =>
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Navigator.of(context).push(
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MaterialPageRoute(
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builder: (context) {
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return PaymobIFrameWallet(
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onPayment: onPayment,
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redirectURL: redirectURL,
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);
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},
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),
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);
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@override
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State<PaymobIFrameWallet> createState() => _PaymobIFrameState();
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}
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class _PaymobIFrameState extends State<PaymobIFrameWallet> {
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WebViewController? controller;
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@override
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void initState() {
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controller = WebViewController()
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..setJavaScriptMode(JavaScriptMode.unrestricted)
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..setNavigationDelegate(
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NavigationDelegate(
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onNavigationRequest: (NavigationRequest request) {
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if (request.url.contains('txn_response_code') &&
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// request.url.contains('successfully') &&
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request.url.contains('success') &&
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request.url.contains('id')) {
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final params = _getParamFromURL(request.url);
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final response = PaymobResponseWallet.fromJson(params);
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if (widget.onPayment != null) {
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widget.onPayment!(response);
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}
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Navigator.pop(context, response);
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return NavigationDecision.prevent;
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}
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return NavigationDecision.navigate;
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},
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),
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)
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..loadRequest(Uri.parse(widget.redirectURL));
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: controller == null
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? const Center(
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child: CircularProgressIndicator.adaptive(),
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)
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: SafeArea(
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child: WebViewWidget(
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controller: controller!,
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),
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),
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);
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}
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Map<String, dynamic> _getParamFromURL(String url) {
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final uri = Uri.parse(url);
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final queryParams = uri.queryParameters;
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final data = <String, dynamic>{};
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queryParams.forEach((key, value) {
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if (key.contains('.')) {
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final parts = key.split('.');
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data.putIfAbsent(parts.first, () => <String, dynamic>{});
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(data[parts.first] as Map<String, dynamic>)[parts.last] = value;
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} else {
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data[key] = value;
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}
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});
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return data;
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}
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}
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