Initial commit: Penyerahan final Source code Tugas Akhir

lib/providers/coupon_course_provider.dart

@@ -0,0 +1,53 @@
+import 'dart:developer';
+
+import 'package:flutter/material.dart';
+import 'package:initial_folder/services/coupon_service.dart';
+
+enum ResultState { Loading, NoData, HasData, Error }
+
+class CouponCourseProvider with ChangeNotifier {
+  final CouponService couponService;
+  String coupon;
+  CouponCourseProvider({required this.couponService, required this.coupon}) {
+    getDiscountCourse(coupon);
+  }
+  dynamic _data;
+
+  ResultState? _state;
+
+  String _message = '';
+
+  dynamic get result => _data;
+
+  ResultState? get state => _state;
+
+  String get message => _message;
+
+  set data(dynamic data) {
+    _data = data;
+    notifyListeners();
+  }
+
+  Future<dynamic> getDiscountCourse(coupon) async {
+    try {
+      _state = ResultState.Loading;
+      notifyListeners();
+      dynamic data = await couponService.getDiscountCourse(coupon);
+      if (data.isEmpty) {
+        _state = ResultState.NoData;
+        notifyListeners();
+        return _message = 'Empty Data';
+      } else {
+        _state = ResultState.HasData;
+        print("ini berhasil provider kupon ${_data}");
+        notifyListeners();
+        return _data = data;
+      }
+    } catch (e) {
+      _state = ResultState.Error;
+      print("Gagal kupon ${e}");
+      notifyListeners();
+      return _message = 'Error --> $e';
+    }
+  }
+}