Initial commit: Penyerahan final Source code Tugas Akhir

lib/providers/reply_announcement_provider.dart

@@ -0,0 +1,40 @@
+import 'dart:async';
+
+import 'package:flutter/cupertino.dart';
+import 'package:initial_folder/models/announcement_model.dart';
+import 'package:initial_folder/services/announcement_service.dart';
+import 'package:rxdart/rxdart.dart';
+
+enum DataState { loading, noData, hasData, error }
+
+enum ResultStateLike { loading, error }
+
+class ReplyAnnouncementProvider with ChangeNotifier {
+  final _service = AnnouncementService();
+
+  StreamController<AnnouncementModel> streamController = BehaviorSubject();
+
+  String _message = '';
+  String get message => _message;
+
+  DataState? _state;
+  DataState? get state => _state;
+
+  AnnouncementModel? _announcementModel;
+  AnnouncementModel? get result => _announcementModel;
+
+  set announcementModel(AnnouncementModel? announcementModel) {
+    _announcementModel = announcementModel;
+    notifyListeners();
+  }
+
+  Stream<AnnouncementModel> get replyAnnouncementStream {
+    return streamController.stream;
+  }
+
+  Future<void> getReplyAnnouncement(String idCourse, int index) async {
+    AnnouncementModel announcementModel =
+        await _service.getAnnouncement(idCourse);
+    streamController.add(announcementModel);
+  }
+}