Initial commit: Penyerahan final Source code Tugas Akhir

lib/providers/like_announcement.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:initial_folder/services/announcement_service.dart';
+
+enum ResultState { uninitilized, loading, failed, success }
+
+class LikeOrAnnouncementProvider with ChangeNotifier {
+  ResultState _state = ResultState.uninitilized;
+
+  ResultState get state => _state;
+
+  Future<bool> likeOrAnnouncement(String tokenAnnouncement) async {
+    try {
+      _state = ResultState.loading;
+      notifyListeners();
+
+      bool response =
+          await AnnouncementService().likeAnnouncement(tokenAnnouncement);
+      if (response) {
+        _state = ResultState.success;
+        notifyListeners();
+        return true;
+      } else {
+        _state = ResultState.failed;
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      _state = ResultState.failed;
+      notifyListeners();
+      return false;
+    }
+  }
+}