Initial commit: Penyerahan final Source code Tugas Akhir

lib/providers/radeem_voucher_provider.dart

@@ -0,0 +1,103 @@
+import 'package:flutter/material.dart';
+import 'package:initial_folder/models/voucher_model.dart';
+import 'package:initial_folder/services/voucher_service.dart';
+
+enum ResultState { loading, failed, success, empty }
+
+class RadeemVoucherProvider with ChangeNotifier {
+  ResultState _state = ResultState.loading;
+  String? _message;
+  String? _messageCart;
+  String? _messageCancel;
+
+  ResultState get state => _state;
+  String? get message => _message;
+  String? get messageCart => _messageCart;
+  String? get messageCancel => _messageCancel;
+
+  VoucherModel? _detailKupon;
+
+  VoucherModel? get result => _detailKupon;
+
+  set detailKupon(VoucherModel? detail) {
+    _detailKupon = detail;
+    notifyListeners();
+  }
+
+  void clearState() {
+    _state = ResultState.empty;
+    notifyListeners();
+  }
+
+  Future<dynamic> radeemVoucher(int? idCourse, String voucher) async {
+    try {
+      _state = ResultState.loading;
+      notifyListeners();
+
+      VoucherModel? response =
+          await VoucherService().radeemVoucher(idCourse, voucher);
+      if (response.status == 200) {
+        _state = ResultState.success;
+        print("Berhasil kupon di provider ${_detailKupon}");
+        notifyListeners();
+        return _detailKupon = response;
+        // notifyListeners();
+      } else {
+        _state = ResultState.failed;
+        print("Gagal kupon di provider 1 ${_detailKupon}");
+        notifyListeners();
+        return _detailKupon = response;
+      }
+    } catch (e) {
+      _state = ResultState.failed;
+      print("Gagal kupon di provider ${e}");
+      _message = 'Error --> $e';
+      notifyListeners();
+      return null;
+    }
+  }
+
+  Future redeemVoucherCart(List<String> idCourse, String voucher) async {
+    try {
+      _state = ResultState.loading;
+      notifyListeners();
+
+      VoucherModel response =
+          await VoucherService().redeemVoucherCart(idCourse, voucher);
+      if (response.status == 200) {
+        _state = ResultState.success;
+
+        notifyListeners();
+        return true;
+        // notifyListeners();
+      } else {
+        _state = ResultState.failed;
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      _state = ResultState.failed;
+      notifyListeners();
+      return false;
+    }
+  }
+
+  Future<bool> deleteCoupon(_coupon) async {
+    try {
+      VoucherModel deleteCoupon = await VoucherService().cancelCoupon(_coupon);
+      if (deleteCoupon.status == 200) {
+        _state = ResultState.success;
+        notifyListeners();
+
+        notifyListeners();
+      } else if (deleteCoupon.status == 404) {
+        _state = ResultState.failed;
+        notifyListeners();
+      }
+      return true;
+    } catch (e) {
+      print("Exceptions: $e");
+      return false;
+    }
+  }
+}