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