Initial commit: Penyerahan final Source code Tugas Akhir

lib/providers/announcement_provider.dart

@@ -0,0 +1,98 @@
+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 ResultState { loading, noData, hasData, error }
+
+enum ResultStateLike { loading, error }
+
+class AnnouncementProvider with ChangeNotifier {
+  final _service = AnnouncementService();
+
+  StreamController<AnnouncementModel> streamController = BehaviorSubject();
+  String _message = '';
+  String get message => _message;
+
+  ResultState? _state;
+  ResultState? get state => _state;
+
+  AnnouncementModel? _announcementModel;
+  AnnouncementModel? get result => _announcementModel;
+
+  set annoucementModel(AnnouncementModel? announcementModel) {
+    _announcementModel = announcementModel;
+    notifyListeners();
+  }
+
+  Stream<AnnouncementModel> get announcementStream {
+    return streamController.stream;
+  }
+
+  Future<void> getAnnouncement(String id) async {
+    try {
+      AnnouncementModel announcementModel = await _service.getAnnouncement(id);
+      if (announcementModel.error == true && announcementModel.status == 404) {
+        // Jika respons adalah 404 (tidak ditemukan), tangani objek dummy di sini
+        // Misalnya, menampilkan pesan kepada pengguna bahwa tidak ada data yang ditemukan
+        // Atau menampilkan UI yang sesuai
+        print('masuk rerror dsiinii');
+        streamController.add(announcementModel);
+      } else {
+        // Jika respons adalah 200 (berhasil), tambahkan data ke dalam stream
+        streamController.add(announcementModel);
+      }
+    } catch (e) {
+      throw Error;
+    }
+  }
+
+  Future<bool> likeAnnouncement(String tokenAnnouncement) async {
+    try {
+      _state = ResultState.loading;
+      notifyListeners();
+
+      bool response =
+          await AnnouncementService().likeAnnouncement(tokenAnnouncement);
+      if (response) {
+        _state = ResultState.hasData;
+        notifyListeners();
+        return true;
+      } else {
+        _state = ResultState.noData;
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      _state = ResultState.error;
+      notifyListeners();
+      return false;
+    }
+  }
+
+  Future<bool> replyAnnouncement(String textBody, String idAnnouncmenet,
+      String tokenAnnouncement, String idAnnouncement) async {
+    try {
+      _state = ResultState.loading;
+      notifyListeners();
+
+      bool response = await AnnouncementService()
+          .replyAnnouncement(tokenAnnouncement, textBody, idAnnouncement);
+      if (response) {
+        _state = ResultState.hasData;
+        notifyListeners();
+        return true;
+      } else {
+        _state = ResultState.noData;
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      _state = ResultState.error;
+      notifyListeners();
+      return false;
+    }
+  }
+}