new change to use intaleq_map sdk 04-16-4

packages/flutter_paypal/lib/src/PaypalServices.dart

@@ -0,0 +1,109 @@
+// ignore_for_file: file_names
+
+import 'package:http/http.dart' as http;
+import 'dart:async';
+import 'dart:convert' as convert;
+import 'package:http_auth/http_auth.dart';
+
+class PaypalServices {
+  final String clientId, secretKey;
+  final bool sandboxMode;
+  PaypalServices({
+    required this.clientId,
+    required this.secretKey,
+    required this.sandboxMode,
+  });
+
+  getAccessToken() async {
+    String domain = sandboxMode
+        ? "https://api.sandbox.paypal.com"
+        : "https://api.paypal.com";
+    try {
+      var client = BasicAuthClient(clientId, secretKey);
+      var response = await client.post(
+          Uri.parse("$domain/v1/oauth2/token?grant_type=client_credentials"));
+      if (response.statusCode == 200) {
+        final body = convert.jsonDecode(response.body);
+        return {
+          'error': false,
+          'message': "Success",
+          'token': body["access_token"]
+        };
+      } else {
+        return {
+          'error': true,
+          'message': "Your PayPal credentials seems incorrect"
+        };
+      }
+    } catch (e) {
+      return {
+        'error': true,
+        'message': "Unable to proceed, check your internet connection."
+      };
+    }
+  }
+
+  Future<Map> createPaypalPayment(transactions, accessToken) async {
+    String domain = sandboxMode
+        ? "https://api.sandbox.paypal.com"
+        : "https://api.paypal.com";
+    try {
+      var response = await http.post(Uri.parse("$domain/v1/payments/payment"),
+          body: convert.jsonEncode(transactions),
+          headers: {
+            "content-type": "application/json",
+            'Authorization': 'Bearer $accessToken' 
+          });
+
+      final body = convert.jsonDecode(response.body);
+      if (response.statusCode == 201) {
+        if (body["links"] != null && body["links"].length > 0) {
+          List links = body["links"];
+
+          String executeUrl = "";
+          String approvalUrl = "";
+          final item = links.firstWhere((o) => o["rel"] == "approval_url",
+              orElse: () => null);
+          if (item != null) {
+            approvalUrl = item["href"];
+          }
+          final item1 = links.firstWhere((o) => o["rel"] == "execute",
+              orElse: () => null);
+          if (item1 != null) {
+            executeUrl = item1["href"];
+          }
+          return {"executeUrl": executeUrl, "approvalUrl": approvalUrl};
+        }
+        return {};
+      } else {
+        return body;
+      }
+    } catch (e) {
+      rethrow;
+    }
+  }
+
+  Future<Map> executePayment(url, payerId, accessToken) async {
+    try {
+      var response = await http.post(Uri.parse(url),
+          body: convert.jsonEncode({"payer_id": payerId}),
+          headers: {
+            "content-type": "application/json",
+            'Authorization': 'Bearer $accessToken' 
+          });
+
+      final body = convert.jsonDecode(response.body);
+      if (response.statusCode == 200) {
+        return {'error': false, 'message': "Success", 'data': body};
+      } else {
+        return {
+          'error': true,
+          'message': "Payment inconclusive.",
+          'data': body
+        };
+      }
+    } catch (e) {
+      return {'error': true, 'message': e, 'exception': true, 'data': null};
+    }
+  }
+}

packages/flutter_paypal/lib/src/assets/icons/lock.svg

@@ -0,0 +1,18 @@
+<svg width="24" height="28" viewBox="0 0 24 28" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g filter="url(#filter0_d)">
+<path d="M5.75 11.75C5.75 11.1977 6.19772 10.75 6.75 10.75H17.25C17.8023 10.75 18.25 11.1977 18.25 11.75V17.25C18.25 18.3546 17.3546 19.25 16.25 19.25H7.75C6.64543 19.25 5.75 18.3546 5.75 17.25V11.75Z" stroke="#141414" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M7.75001 10.5V10.3427C7.75001 8.78147 7.65609 7.04125 8.74648 5.9239C9.3683 5.2867 10.3745 4.75 12 4.75C13.6255 4.75 14.6317 5.2867 15.2536 5.9239C16.3439 7.04125 16.25 8.78147 16.25 10.3427V10.5" stroke="#141414" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</g>
+<defs>
+<filter id="filter0_d" x="-4" y="0" width="32" height="32" filterUnits="userSpaceOnUse" color-interpolation-filters="sRGB">
+<feFlood flood-opacity="0" result="BackgroundImageFix"/>
+<feColorMatrix in="SourceAlpha" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 127 0" result="hardAlpha"/>
+<feOffset dy="4"/>
+<feGaussianBlur stdDeviation="2"/>
+<feComposite in2="hardAlpha" operator="out"/>
+<feColorMatrix type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.25 0"/>
+<feBlend mode="normal" in2="BackgroundImageFix" result="effect1_dropShadow"/>
+<feBlend mode="normal" in="SourceGraphic" in2="effect1_dropShadow" result="shape"/>
+</filter>
+</defs>
+</svg>

packages/flutter_paypal/lib/src/errors/network_error.dart

@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+
+class NetworkError extends StatelessWidget {
+  final Function loadData;
+  final String message;
+  final bool isSmall;
+
+  const NetworkError(
+      {super.key, required this.loadData, required this.message, this.isSmall = false});
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Image.asset(
+            "lib/src/assets/img/cloud_state.png",
+            package: "flutter_paypal",
+            height: 120,
+          ),
+          SizedBox(
+            height: isSmall ? 20 : 40,
+          ),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              Text(message,
+                  style: const TextStyle(
+                      fontSize: 14,
+                      color: Color(0xFF272727),
+                      fontWeight: FontWeight.w400)),
+              const SizedBox(
+                width: 5,
+              ),
+              InkWell(
+                onTap: () => loadData(),
+                child: const Text("Tap to retry",
+                    style: TextStyle(
+                        fontSize: 14,
+                        color: Colors.black,
+                        fontWeight: FontWeight.w800)),
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}

packages/flutter_paypal/lib/src/screens/complete_payment.dart

@@ -0,0 +1,117 @@
+// ignore_for_file: use_build_context_synchronously
+
+import 'package:flutter/material.dart';
+import 'package:flutter_paypal/src/errors/network_error.dart';
+import 'package:flutter_spinkit/flutter_spinkit.dart';
+
+import '../PaypalServices.dart';
+
+class CompletePayment extends StatefulWidget {
+  final Function onSuccess, onCancel, onError;
+  final PaypalServices services;
+  final String url, executeUrl, accessToken;
+  const CompletePayment({
+    Key? key,
+    required this.onSuccess,
+    required this.onError,
+    required this.onCancel,
+    required this.services,
+    required this.url,
+    required this.executeUrl,
+    required this.accessToken,
+  }) : super(key: key);
+
+  @override
+  // ignore: library_private_types_in_public_api
+  _CompletePaymentState createState() => _CompletePaymentState();
+}
+
+class _CompletePaymentState extends State<CompletePayment> {
+  bool loading = true;
+  bool loadingError = false;
+
+  complete() async {
+    final uri = Uri.parse(widget.url);
+    final payerID = uri.queryParameters['PayerID'];
+    if (payerID != null) {
+      Map params = {
+        "payerID": payerID,
+        "paymentId": uri.queryParameters['paymentId'],
+        "token": uri.queryParameters['token'],
+      };
+      setState(() {
+        loading = true;
+        loadingError = false;
+      });
+
+      Map resp = await widget.services
+          .executePayment(widget.executeUrl, payerID, widget.accessToken);
+      if (resp['error'] == false) {
+        params['status'] = 'success';
+        params['data'] = resp['data'];
+        await widget.onSuccess(params);
+        setState(() {
+          loading = false;
+          loadingError = false;
+        });
+        Navigator.pop(context);
+      } else {
+        if (resp['exception'] != null && resp['exception'] == true) {
+          widget.onError({"message": resp['message']});
+          setState(() {
+            loading = false;
+            loadingError = true;
+          });
+        } else {
+          await widget.onError(resp['data']);
+          Navigator.of(context).pop();
+        }
+      }
+      //return NavigationDecision.prevent;
+    } else {
+      Navigator.of(context).pop();
+    }
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    complete();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Container(
+        child: loading
+            ? const Column(
+                children: [
+                  Expanded(
+                    child: Center(
+                      child: SpinKitFadingCube(
+                        color: Color(0xFFEB920D),
+                        size: 30.0,
+                      ),
+                    ),
+                  ),
+                ],
+              )
+            : loadingError
+                ? Column(
+                    children: [
+                      Expanded(
+                        child: Center(
+                          child: NetworkError(
+                              loadData: complete,
+                              message: "Something went wrong,"),
+                        ),
+                      ),
+                    ],
+                  )
+                : const Center(
+                    child: Text("Payment Completed"),
+                  ),
+      ),
+    );
+  }
+}