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Vocasia-LMS-Mobile-apps--TA…/lib/providers/carts_provider.dart

79 lines
1.8 KiB
Dart

import 'dart:async';
import 'dart:developer';
import 'package:flutter/material.dart';
import 'package:initial_folder/models/carts_model.dart';
import 'package:initial_folder/services/cart_service.dart';
enum ResultState { Loading, NoData, HasData, Error }
class CartsProvider with ChangeNotifier {
final CartService cartService;
CartsProvider({required this.cartService}) {
getCarts();
}
CartsModel? _cartsModel;
CartsModel? get result => _cartsModel;
ResultState? _state;
ResultState? get state => _state;
String _message = '';
String _finalPrice = '';
String get message => _message;
String get finalPrice => _finalPrice;
int _length = 0;
int get lenght => _length;
set lengthCarts(int v) {
_length = v;
notifyListeners();
}
List _data = [];
List get data => _data;
// StreamController<List<DataCartsModel>> dataStream = StreamController.broadcast();
set carts(CartsModel carts) {
_cartsModel = carts;
notifyListeners();
}
void clear() {
_length = 0;
notifyListeners();
}
Future<dynamic> getCarts() async {
try {
_state = ResultState.Loading;
_data = [];
notifyListeners();
CartsModel carts = await cartService.getCarts();
_length = carts.data.length;
notifyListeners();
if (carts.data.isEmpty) {
_state = ResultState.NoData;
notifyListeners();
return _message = 'Empty Data';
} else {
_data = carts.data.map((e) => e.courseId).toList();
_state = ResultState.HasData;
print(_data);
print("ini dari getcatsrs");
notifyListeners();
return _cartsModel = carts;
}
} catch (e) {
_state = ResultState.Error;
log('$e');
notifyListeners();
return _message = 'Error --> $e';
}
}
}