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

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1.9 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:initial_folder/models/detail_invoice_model.dart';
import 'package:initial_folder/services/detail_invoice_service.dart';
import 'package:provider/provider.dart';
enum ResultState { loading, noData, hasData, error }
class StreamInvoiceProvider extends ChangeNotifier {
final DetailInvoiceService _detailInvoiceService = DetailInvoiceService();
List<DataDetailInvoiceModel>? _detailInvoice;
String? _message;
String? _thumbnail;
ResultState? _state;
final StreamController<String> _transactionStatusController =
StreamController<String>.broadcast();
Stream<String> get transactionStatusStream =>
_transactionStatusController.stream;
String? get message => _message;
String? get thumbnail => _thumbnail;
List<DataDetailInvoiceModel>? get detailInvoice => _detailInvoice;
ResultState? get state => _state;
set selectedThumbnail(String? value) {
_thumbnail = value;
notifyListeners();
}
Future<void> fetchDetailInvoice(String? orderId) async {
print("Fetching detail invoice for order ID: $orderId");
try {
_state = ResultState.loading;
notifyListeners();
final data = await _detailInvoiceService.detailInvoice(orderId);
if (data.isEmpty) {
_state = ResultState.noData;
_message = 'Invoice Detail is Empty';
print("Invoice detail is empty");
} else {
_state = ResultState.hasData;
_detailInvoice = data;
print(
"Invoice detail fetched, updating transaction status to: ${data[0].transactionStatus}");
_transactionStatusController.sink.add(data[0].transactionStatus!);
}
} catch (e) {
_state = ResultState.error;
_message = 'Error -> $e';
print("Error fetching invoice detail: $e");
}
notifyListeners();
}
@override
void dispose() {
_transactionStatusController.close();
super.dispose();
}
}