Initial commit: Penyerahan final Source code Tugas Akhir

lib/providers/detail_rating_course_provider.dart

@@ -0,0 +1,79 @@
+import 'package:flutter/foundation.dart';
+import 'package:initial_folder/models/detail_rating_course_model.dart';
+import 'package:initial_folder/services/course_service.dart';
+
+enum ResultState { Loading, HasData, Error, NoData }
+
+class DetailRatingCourseProvider with ChangeNotifier {
+  final CourseService courseService;
+  final String id;
+  DetailRatingCourseProvider({required this.courseService, required this.id}) {
+    getDetailCourse(id);
+  }
+
+  RatingCourseDetailModel? _detailRatingCourse;
+
+  RatingCourseDetailModel? get result => _detailRatingCourse;
+  List<DataReview>? _review;
+  List<DataReview>? get review => _review;
+  ResultState? _state;
+
+  String _message = '';
+
+  ResultState? get state => _state;
+
+  String get message => _message;
+
+  set detailCourse(RatingCourseDetailModel detail) {
+    _detailRatingCourse = detail;
+    notifyListeners();
+  }
+
+  int _currentIndex = 0;
+
+  int get currentIndex => _currentIndex;
+
+  set currentIndex(int index) {
+    _currentIndex = index;
+    notifyListeners();
+  }
+
+  Future<dynamic> getDetailCourse([_id]) async {
+    try {
+      _state = ResultState.Loading;
+      notifyListeners();
+      RatingCourseDetailModel detail =
+          await courseService.getRatingDetailCourse((_id != null) ? _id : id );
+
+      _state = ResultState.HasData;
+      _review = detail.dataReview;
+      notifyListeners();
+      return _detailRatingCourse = detail;
+    } catch (e) {
+      _state = ResultState.Error;
+      notifyListeners();
+      return _message = 'Error --> $e';
+    }
+  }
+
+  Future<dynamic> filterCourse(int rating) async {
+    try {
+      _state = ResultState.Loading;
+      notifyListeners();
+      RatingCourseDetailModel detail =
+      await courseService.getRatingDetailCourse(id);
+
+      _state = ResultState.HasData;
+      _review = detail.dataReview.where((element) => element.rating == rating.toString()).toList();
+      notifyListeners();
+
+      return _detailRatingCourse = detail;
+    } catch (e) {
+      _state = ResultState.Error;
+      notifyListeners();
+      return _message = 'Error --> $e';
+    }
+  }
+
+
+}