codigo actual del servidor, con avances de joan

source_code/lib/screens/payments/iyzico_screen.dart

@@ -0,0 +1,172 @@
+import 'package:active_ecommerce_seller_app/app_config.dart';
+import 'package:active_ecommerce_seller_app/custom/toast_component.dart';
+import 'package:active_ecommerce_seller_app/helpers/shared_value_helper.dart';
+import 'package:active_ecommerce_seller_app/my_theme.dart';
+import 'package:active_ecommerce_seller_app/repositories/payment_repository.dart';
+import 'package:flutter/material.dart';
+import 'package:toast/toast.dart';
+import 'dart:io';
+import 'dart:convert';
+import 'package:webview_flutter/webview_flutter.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+
+class IyzicoScreen extends StatefulWidget {
+  double amount;
+  String payment_type;
+  String? payment_method_key;
+  String? package_id;
+
+  IyzicoScreen(
+      {Key? key,
+      this.amount = 0.00,
+      this.payment_type = "",
+      this.payment_method_key = "",this.package_id})
+      : super(key: key);
+
+  @override
+  _IyzicoScreenState createState() => _IyzicoScreenState();
+}
+
+class _IyzicoScreenState extends State<IyzicoScreen> {
+  int _combined_order_id = 0;
+  bool _order_init = false;
+  String initial_url="";
+  late WebViewController _webViewController;
+
+  @override
+  void initState() {
+    // TODO: implement initState
+    super.initState();
+    initial_url =
+    "${AppConfig.BASE_URL}/iyzico/init?payment_type=${widget.payment_type}&combined_order_id=${_combined_order_id}&amount=${widget.amount}&user_id=${seller_id.$}&package_id=${widget.package_id}";
+
+    _webViewController = WebViewController()
+      ..setJavaScriptMode(JavaScriptMode.unrestricted)
+      ..setNavigationDelegate(
+        NavigationDelegate(
+          onPageFinished: (page) {
+            print(page.toString());
+            getData();
+          },
+        ),
+      )
+      ..loadRequest(Uri.parse(initial_url));
+  }
+
+
+
+  @override
+  Widget build(BuildContext context) {
+    return Directionality(
+      textDirection: app_language_rtl.$! ? TextDirection.rtl : TextDirection.ltr,
+      child: Scaffold(
+        backgroundColor: Colors.white,
+        appBar: buildAppBar(context),
+        body: buildBody(),
+      ),
+    );
+  }
+
+  void getData() {
+    print('called.........');
+    String? payment_details = '';
+    _webViewController
+        .runJavaScriptReturningResult("document.body.innerText")
+        .then((data) {
+      var responseJSON = jsonDecode(data as String);
+      if(responseJSON.runtimeType ==String ){
+        responseJSON = jsonDecode(responseJSON);
+      }
+      try {
+
+        if (responseJSON["result"] == false) {
+          ToastComponent.showDialog(responseJSON["message"],
+              duration: Toast.lengthLong, gravity: Toast.center);
+
+          Navigator.pop(context);
+        } else if (responseJSON["result"] == true) {
+          print("a");
+          payment_details = responseJSON['payment_details'];
+          onPaymentSuccess(payment_details);
+        }
+      } on Exception catch (e) {
+        print("error");
+        // TODO
+      }
+    });
+  }
+
+  onPaymentSuccess(payment_details) async{
+    print("b");
+
+    var iyzicoPaymentSuccessResponse = await PaymentRepository().getIyzicoPaymentSuccessResponse(widget.payment_type, widget.amount,_combined_order_id, payment_details);
+
+    if(iyzicoPaymentSuccessResponse.result == false ){
+      print("c");
+      ToastComponent.showDialog(iyzicoPaymentSuccessResponse.message!,
+          duration: Toast.lengthLong, gravity: Toast.center);
+      Navigator.pop(context);
+      return;
+    }
+    print("Success package Payment");
+
+    ToastComponent.showDialog(iyzicoPaymentSuccessResponse.message!,
+        duration: Toast.lengthLong, gravity: Toast.center);
+    if (widget.payment_type == "cart_payment") {
+      Navigator.push(context, MaterialPageRoute(builder: (context) {
+        //return OrderList(from_checkout: true);
+      } as Widget Function(BuildContext)));
+    } else if (widget.payment_type == "wallet_payment") {
+      print("d");
+      Navigator.push(context, MaterialPageRoute(builder: (context) {
+        //return Wallet(from_recharge: true);
+      } as Widget Function(BuildContext)));
+    }
+
+
+  }
+
+
+  buildBody() {
+    //print("init url");
+    //print(initial_url);
+
+    if (_order_init == false &&
+        _combined_order_id == 0 &&
+        widget.payment_type == "cart_payment") {
+      return Container(
+        child: Center(
+          child: Text(AppLocalizations.of(context)!.no_ucf),
+        ),
+      );
+    } else {
+      return SizedBox.expand(
+        child: Container(
+          child: WebViewWidget(
+            controller: _webViewController,
+          ),
+        ),
+      );
+    }
+  }
+
+  AppBar buildAppBar(BuildContext context) {
+    return AppBar(
+backgroundColor: Colors.white,
+      centerTitle: true,
+      leading: Builder(
+        builder: (context) => IconButton(
+          icon: Icon(Icons.arrow_back, color: MyTheme.dark_grey),
+          onPressed: () => Navigator.of(context).pop(),
+        ),
+      ),
+      title: Text(
+        AppLocalizations.of(context)!.pay_with_iyzico,
+        style: TextStyle(fontSize: 16, color: MyTheme.app_accent_color),
+      ),
+      elevation: 0.0,
+      titleSpacing: 0,
+    );
+  }
+}