51 lines
1.2 KiB
Dart
51 lines
1.2 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 LatestCourseProvider with ChangeNotifier {
|
|
final CourseService courseService;
|
|
LatestCourseProvider({required this.courseService}) {
|
|
getLatestCourse();
|
|
}
|
|
|
|
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> getLatestCourse() async {
|
|
try {
|
|
_state = ResultState.Loading;
|
|
notifyListeners();
|
|
List<CourseModel> course = await courseService.getLatestCourse();
|
|
if (course.isEmpty) {
|
|
_state = ResultState.NoData;
|
|
notifyListeners();
|
|
return _message = 'Empty Data';
|
|
} else {
|
|
_state = ResultState.HasData;
|
|
notifyListeners();
|
|
return _course = course;
|
|
}
|
|
} catch (e) {
|
|
_state = ResultState.Error;
|
|
notifyListeners();
|
|
return _message = 'Error --> $e';
|
|
}
|
|
}
|
|
}
|