121 lines
3 KiB
Dart
121 lines
3 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get_storage/get_storage.dart';
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import 'package:fluffychat/pangea/course_plans/courses/course_plan_model.dart';
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import 'package:fluffychat/pangea/course_plans/courses/get_localized_courses_request.dart';
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import 'package:fluffychat/widgets/matrix.dart';
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import 'course_plans_repo.dart';
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mixin CoursePlanProvider<T extends StatefulWidget> on State<T> {
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bool loadingCourse = true;
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Object? courseError;
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bool loadingTopics = false;
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Object? topicError;
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Map<String, Object?> activityErrors = {};
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CoursePlanModel? course;
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Future<void> _initStorage() async {
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final futures = [
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GetStorage.init("course_storage"),
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GetStorage.init("course_activity_storage"),
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GetStorage.init("course_location_media_storage"),
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GetStorage.init("course_location_storage"),
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GetStorage.init("course_media_storage"),
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GetStorage.init("course_topic_storage"),
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];
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await Future.wait(futures);
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}
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Future<void> loadCourse(String courseId) async {
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await _initStorage();
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setState(() {
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loadingCourse = true;
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courseError = null;
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course = null;
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});
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try {
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course = await CoursePlansRepo.get(
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GetLocalizedCoursesRequest(
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coursePlanIds: [courseId],
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l1: MatrixState.pangeaController.languageController.activeL1Code()!,
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),
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);
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} catch (e) {
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courseError = e;
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} finally {
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if (mounted) setState(() => loadingCourse = false);
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}
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}
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Future<void> loadTopics() async {
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setState(() {
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loadingTopics = true;
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topicError = null;
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});
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try {
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if (course == null) {
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throw Exception("Course is null");
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}
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final courseFutures = <Future>[
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course!.fetchMediaUrls(),
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course!.fetchTopics(),
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];
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await Future.wait(courseFutures);
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await _loadTopicsMedia();
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} catch (e) {
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topicError = e;
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} finally {
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if (mounted) setState(() => loadingTopics = false);
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}
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}
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Future<void> _loadTopicsMedia() async {
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final List<Future> futures = [];
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if (course == null) return;
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for (final topicId in course!.topicIds) {
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final topic = course!.loadedTopics[topicId];
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if (topic != null) {
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futures.add(topic.fetchLocationMedia());
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}
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}
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await Future.wait(futures);
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}
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Future<void> loadActivity(String topicId) async {
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setState(() {
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activityErrors[topicId] = null;
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});
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try {
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final topic = course?.loadedTopics[topicId];
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if (topic == null) {
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throw Exception("Topic is null");
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}
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await topic.fetchActivities();
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} catch (e) {
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activityErrors[topicId] = e;
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} finally {
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if (mounted) {
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setState(() {});
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}
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}
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}
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Future<void> loadAllActivities() async {
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if (course == null) return;
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final futures = <Future>[];
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for (final topicId in course!.topicIds) {
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futures.add(loadActivity(topicId));
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}
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await Future.wait(futures);
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}
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}
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