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Vocasia-LMS-Mobile-apps--TA…/lib/providers/promo_course_provider.dart

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1.3 KiB
Dart

import 'package:flutter/material.dart';
import 'package:initial_folder/models/course_model.dart';
import 'package:initial_folder/services/course_service.dart';
enum ResultState { Loading, NoData, HasData, Error }
class PromoCourseProvider with ChangeNotifier {
final CourseService courseService;
PromoCourseProvider({required this.courseService}) {
getPromoCourse();
}
List<CourseModel> _course = [];
ResultState? _state;
String _message = '';
List<CourseModel> get result => _course;
ResultState? get state => _state;
String get message => _message;
set course(List<CourseModel> course) {
_course = course;
notifyListeners();
}
Future<dynamic> getPromoCourse() async {
try {
_state = ResultState.Loading;
notifyListeners();
List<CourseModel> course = await courseService.getPromoCourse();
if (course.isEmpty) {
_state = ResultState.NoData;
print("Tidak ada data promo dri api");
notifyListeners();
return _message = 'Empty Data';
} else {
_state = ResultState.HasData;
notifyListeners();
return _course = course;
}
} catch (e) {
_state = ResultState.Error;
notifyListeners();
return _message = 'Error --> $e';
}
}
}