Yimaru-Mobile/lib/services/course_service.dart

80 lines
2.0 KiB
Dart

import 'package:stacked/stacked.dart';
import 'package:yimaru_app/app/app.locator.dart';
import 'package:yimaru_app/services/api_service.dart';
import '../models/course_catalog.dart';
import '../models/course_lesson.dart';
import '../models/course_module.dart';
import '../models/course_unit.dart';
class CourseService with ListenableServiceMixin {
// Dependency injection
final _apiService = locator<ApiService>();
// Initialization
courseService() {
listenToReactiveValues([_catalogs]);
}
// Course catalogs
List<CourseCatalog> _catalogs = [];
List<CourseCatalog> get catalogs => _catalogs;
// Course units
List<CourseUnit> _units = [];
List<CourseUnit> get units => _units;
// Course modules
final List<CourseModule> _modules = [];
List<CourseModule> get modules => _modules;
// Course lessons
List<CourseLesson> _lessons = [];
List<CourseLesson> get lessons => _lessons;
// Course catalogs
Future<void> getCourseCatalogs() async {
_catalogs = await _apiService.getCourseCatalogs();
_catalogs.sort((a, b) => (a.sortOrder ?? 0).compareTo(b.sortOrder ?? 0));
notifyListeners();
}
// Course units
Future<void> getCourseUnits(int id) async {
_units = await _apiService.getCourseUnits(id);
_units.sort((a, b) => (a.sortOrder ?? 0).compareTo(b.sortOrder ?? 0));
notifyListeners();
}
// Course modules
Future<void> getCourseModules({
required int id,
required int index,
}) async {
List<CourseModule> modules = await _apiService.getCourseModules(id);
modules.sort(
(a, b) => (a.sortOrder ?? 0).compareTo(b.sortOrder ?? 0),
);
final updatedUnit = _units[index].copyWith(
modules: modules,
);
_units[index] = updatedUnit;
notifyListeners();
}
// Course units
Future<void> getCourseLessons(int id) async {
_lessons = await _apiService.getCourseLessons(id);
_lessons.sort((a, b) => (a.sortOrder ?? 0).compareTo(b.sortOrder ?? 0));
notifyListeners();
}
}