Initial commit: Penyerahan final Source code Tugas Akhir

lib/providers/posting_qna_provider.dart

@@ -0,0 +1,94 @@
+import 'package:flutter/material.dart';
+import 'package:initial_folder/models/qna_model.dart';
+import 'package:initial_folder/services/qna_service.dart';
+
+enum ResultState { uninitilized, loading, failed, success }
+
+class PostingQnaProvider with ChangeNotifier {
+  QnaDataModel? _qnaDataModel;
+  QnaDataModel? get wishlistPostModel => _qnaDataModel;
+
+  setwishlistPostModel(QnaDataModel? qnaDataModel) {
+    _qnaDataModel = qnaDataModel;
+    notifyListeners();
+  }
+
+  ResultState _state = ResultState.uninitilized;
+
+  ResultState get state => _state;
+
+  //Posting QNA
+  Future<bool> postingQna(
+    String title,
+    String quest,
+    String idCourse,
+    String idLesson,
+  ) async {
+    try {
+      _state = ResultState.loading;
+      notifyListeners();
+
+      bool response =
+          await QnaService().postingQna(title, quest, idCourse, idLesson);
+      if (response) {
+        _state = ResultState.success;
+        notifyListeners();
+        return true;
+      } else {
+        _state = ResultState.failed;
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      _state = ResultState.failed;
+      notifyListeners();
+      return false;
+    }
+  }
+
+  //Update QNA
+  Future<bool> editQna(String idCourse, String quest, int idQna, String title, String idLesson) async {
+    try {
+      _state = ResultState.loading;
+      notifyListeners();
+
+      bool response = await QnaService().updateQna(idCourse, quest, idQna, title, idLesson);
+      if (response) {
+        _state = ResultState.success;
+        notifyListeners();
+        return true;
+      } else {
+        _state = ResultState.failed;
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      _state = ResultState.failed;
+      notifyListeners();
+      return false;
+    }
+  }
+
+  //Delete QNA
+  Future<bool> deleteQna(int idQna) async {
+    try {
+      _state = ResultState.loading;
+      notifyListeners();
+
+      bool response = await QnaService().deleteQna(idQna);
+      if (response) {
+        _state = ResultState.success;
+        notifyListeners();
+        return true;
+      } else {
+        _state = ResultState.failed;
+        notifyListeners();
+        return false;
+      }
+    } catch (e) {
+      _state = ResultState.failed;
+      notifyListeners();
+      return false;
+    }
+  }
+}