Yimaru-Mobile/lib/ui/views/learn_lesson/learn_lesson_viewmodel.dart

46 lines
1.3 KiB
Dart

import 'package:stacked/stacked.dart';
import 'package:stacked_services/stacked_services.dart';
import 'package:yimaru_app/app/app.router.dart';
import 'package:yimaru_app/ui/common/enmus.dart';
import '../../../app/app.locator.dart';
import '../../../models/lesson.dart';
import '../../../services/api_service.dart';
import '../../../services/status_checker_service.dart';
class LearnLessonViewModel extends BaseViewModel {
// Dependency injection
final _apiService = locator<ApiService>();
final _statusChecker = locator<StatusCheckerService>();
final _navigationService = locator<NavigationService>();
// Learn lessons
List<Lesson> _lessons = [];
List<Lesson> get lessons => _lessons;
// Navigation
void pop() => _navigationService.back();
Future<void> navigateToLearnLessonDetail(Lesson lesson) async =>
await _navigationService.navigateToLearnLessonDetailView(lesson: lesson);
// Remote api call
// Learn modules
Future<void> getLessons(int id) async => await runBusyFuture(_getLessons(id),
busyObject: StateObjects.learnLessons);
Future<void> _getLessons(int id) async {
if (_lessons.isEmpty) {
if (await _statusChecker.checkConnection()) {
_lessons = await _apiService.getLessons(id);
_lessons.sort(
(a, b) => (a.displayOrder ?? 0).compareTo(b.displayOrder ?? 0));
}
}
}
}