Initial commit: Penyerahan final Source code Tugas Akhir

lib/providers/payments_provider.dart

@@ -0,0 +1,167 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:initial_folder/models/detail_order_model.dart';
+import 'package:initial_folder/models/detail_order_model_underscore.dart';
+import 'package:initial_folder/models/zero_price_model.dart';
+import 'package:initial_folder/services/payment_service.dart';
+
+import '../screens/checkout/snap_payment_page.dart';
+
+enum ResultState { error, success, gagal, loading }
+
+enum Process { uninitialized, loading }
+
+class PaymentsProvider with ChangeNotifier {
+  PaymentsProvider({required this.paymentServices});
+  final PaymentServices paymentServices;
+
+  ResultState? _state;
+  Process _stateProcess = Process.uninitialized;
+  bool _paymentModel = false;
+  ZeroPrice? _zeroPrice;
+  String? _idOrders;
+  List<DetailOrderModel> _detailOrder = [];
+  List<DetailOrderModelUnderscore> _detailOrderUnderscore = [];
+
+  ResultState? get state => _state;
+  Process get stateProcess => _stateProcess;
+  bool get result => _paymentModel;
+  String? get idOrders => _idOrders;
+  ZeroPrice? get zeroPrice => _zeroPrice;
+  List<DetailOrderModel> get detailOrder => _detailOrder;
+  List<DetailOrderModelUnderscore> get detailOrderUnderscore => _detailOrderUnderscore;
+
+  String get orderId {
+    if (_detailOrder.isNotEmpty) {
+      return _detailOrder[0].idOrder;
+    } else {
+      return '';
+    }
+  }
+
+  set selectedIdOrders(String value) {
+    _idOrders = value;
+    notifyListeners();
+  }
+
+  // mulai Snap Payment
+  Future<Map<String, String>?> startSnapPayment({
+  required String orderId,
+  required int grossAmount,
+  required List<Map<String, dynamic>> dataInvoice,
+}) async {
+  try {
+    _stateProcess = Process.loading;
+    notifyListeners();
+
+    Map<String, String> transactionToken = await paymentServices.getSnapTransactionToken(
+      orderId: orderId,
+      grossAmount: grossAmount,
+      dataInvoice: dataInvoice,
+    );
+
+    if (transactionToken.isNotEmpty) {
+      _stateProcess = Process.uninitialized;
+      _state = ResultState.success;
+      print('Transaction token didapatkan: $transactionToken');
+      notifyListeners();
+      return transactionToken;
+    } else {
+      _state = ResultState.gagal;
+      _stateProcess = Process.uninitialized;
+      notifyListeners();
+      return null;
+    }
+  } catch (e) {
+    print('Error Snap Payment -> $e');
+    _state = ResultState.error;
+    _stateProcess = Process.uninitialized;
+    notifyListeners();
+    return null;
+  }
+}
+
+  Future<Map<String, String>> getSnapTransactionToken({
+    required String orderId,
+    required int grossAmount,
+    required List<Map<String, dynamic>> dataInvoice,
+  }) async {
+    return await paymentServices.getSnapTransactionToken(
+      orderId: orderId,
+      grossAmount: grossAmount,
+      dataInvoice: dataInvoice,
+    );
+  }
+
+  // kursus gratis
+  Future<bool> freeCourse(int _idCourse) async {
+    try {
+      _stateProcess = Process.loading;
+      notifyListeners();
+      bool result = await paymentServices.freeCoure(_idCourse);
+      if (result) {
+        _stateProcess = Process.uninitialized;
+        _state = ResultState.success;
+        notifyListeners();
+        return true;
+      } else {
+        _state = ResultState.gagal;
+        _stateProcess = Process.uninitialized;
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      print('Error -> $e');
+      _state = ResultState.error;
+      _stateProcess = Process.uninitialized;
+      notifyListeners();
+      return false;
+    }
+  }
+
+  // kursus dengan kupon gratis
+  Future<bool> freeCourseCoupon(int _idCourse, String coupon) async {
+    try {
+      _stateProcess = Process.loading;
+      notifyListeners();
+      bool result = await paymentServices.freeCoureCoupon(_idCourse, coupon);
+      if (result) {
+        _stateProcess = Process.uninitialized;
+        _state = ResultState.success;
+        notifyListeners();
+        return true;
+      } else {
+        _state = ResultState.gagal;
+        _stateProcess = Process.uninitialized;
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      print('Error -> $e');
+      _state = ResultState.error;
+      _stateProcess = Process.uninitialized;
+      notifyListeners();
+      return false;
+    }
+  }
+
+  //pembayaran dengan harga 0 (ZeroPrice)
+  Future<dynamic> zeroPayment(List<Map<String, String>> dataInvoice, String totalPayment) async {
+    try {
+      notifyListeners();
+      var result = await paymentServices.zeroPayment(
+          dataInvoice: dataInvoice, totalPayment: totalPayment);
+      if (result.isNotEmpty) {
+        notifyListeners();
+        return true;
+      } else {
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      print('Error -> $e');
+      notifyListeners();
+      return false;
+    }
+  }
+}