66 lines
1.9 KiB
Dart
66 lines
1.9 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:initial_folder/models/qna_model.dart';
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import 'package:initial_folder/services/qna_service.dart';
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import 'package:rxdart/rxdart.dart';
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enum DataState { loading, noData, hasData, error }
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enum ResultStateLike { loading, error }
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class ReplyQnaProvider with ChangeNotifier {
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final _service = QnaService();
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StreamController<QnaModel> streamController = BehaviorSubject();
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String _message = '';
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String get message => _message;
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DataState? _state;
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DataState? get state => _state;
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QnaModel? _qnaModel;
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QnaModel? get result => _qnaModel;
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set qnaModel(QnaModel? qnaModel) {
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_qnaModel = qnaModel;
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notifyListeners();
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}
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Stream<QnaModel> get replyQnaStream {
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return streamController.stream;
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}
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Future<void> getReplyQna(String idCourse, int index) async {
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QnaModel qnaModel = await _service.getMyQna(idCourse);
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streamController.add(qnaModel);
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}
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Future<void> getReplyQnaById(String idCourse, String idQna) async {
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try {
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_state = DataState.loading;
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QnaModel qnaModel = await _service.getMyQna(idCourse);
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// Filter untuk mencari item dengan idQna yang sesuai dalam List<List<QnaDataModel>>
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var filteredQna = qnaModel.data.expand((innerList) => innerList)
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.where((qna) => qna.idQna == idQna).toList();
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if (filteredQna.isNotEmpty) {
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// Set data yang sudah terfilter ke dalam streamController
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streamController.add(QnaModel(data: [filteredQna]));
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_state = DataState.hasData;
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} else {
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// Jika tidak ada data, set status noData
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_state = DataState.noData;
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}
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} catch (e) {
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_state = DataState.error;
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_message = "Terjadi kesalahan saat mengambil data balasan.";
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streamController.addError(_message);
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}
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notifyListeners();
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}
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@override
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void dispose() {
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streamController.close();
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super.dispose();
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}
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}
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