fluffychat/lib/pangea/course_plans/courses/course_plan_model.dart
2025-12-15 11:35:37 -05:00

135 lines
4.5 KiB
Dart

import 'package:collection/collection.dart';
import 'package:fluffychat/pangea/common/config/environment.dart';
import 'package:fluffychat/pangea/course_plans/course_info_batch_request.dart';
import 'package:fluffychat/pangea/course_plans/course_media/course_media_repo.dart';
import 'package:fluffychat/pangea/course_plans/course_media/course_media_response.dart';
import 'package:fluffychat/pangea/course_plans/course_topics/course_topic_model.dart';
import 'package:fluffychat/pangea/course_plans/course_topics/course_topic_repo.dart';
import 'package:fluffychat/pangea/course_plans/course_topics/course_topic_translation_request.dart';
import 'package:fluffychat/pangea/languages/language_model.dart';
import 'package:fluffychat/pangea/languages/p_language_store.dart';
import 'package:fluffychat/pangea/learning_settings/language_level_type_enum.dart';
import 'package:fluffychat/widgets/matrix.dart';
/// Represents a course plan in the course planner response.
class CoursePlanModel {
final String uuid;
final String targetLanguage;
final String languageOfInstructions;
final LanguageLevelTypeEnum cefrLevel;
final String title;
final String description;
final List<String> topicIds;
final List<String> mediaIds;
final DateTime updatedAt;
final DateTime createdAt;
CoursePlanModel({
required this.targetLanguage,
required this.languageOfInstructions,
required this.cefrLevel,
required this.title,
required this.description,
required this.uuid,
required this.topicIds,
required this.mediaIds,
required this.updatedAt,
required this.createdAt,
});
LanguageModel? get targetLanguageModel =>
PLanguageStore.byLangCode(targetLanguage);
LanguageModel? get baseLanguageModel =>
PLanguageStore.byLangCode(languageOfInstructions);
String get targetLanguageDisplay =>
targetLanguageModel?.langCode.toUpperCase() ??
targetLanguage.toUpperCase();
/// Deserialize from JSON
factory CoursePlanModel.fromJson(Map<String, dynamic> json) {
return CoursePlanModel(
targetLanguage: json['target_language'] as String,
languageOfInstructions: json['language_of_instructions'] as String,
cefrLevel: LanguageLevelTypeEnum.fromString(json['cefr_level']),
title: json['title'] as String,
description: json['description'] as String,
uuid: json['uuid'] as String,
topicIds: (json['topic_ids'] as List<dynamic>?)
?.map((e) => e as String)
.toList() ??
[],
mediaIds: (json['media_ids'] as List<dynamic>?)
?.map((e) => e as String)
.toList() ??
[],
updatedAt: DateTime.parse(json['updated_at'] as String),
createdAt: DateTime.parse(json['created_at'] as String),
);
}
/// Serialize to JSON
Map<String, dynamic> toJson() {
return {
'target_language': targetLanguage,
'language_of_instructions': languageOfInstructions,
'cefr_level': cefrLevel.string,
'title': title,
'description': description,
'uuid': uuid,
'topic_ids': topicIds,
'media_ids': mediaIds,
'updated_at': updatedAt.toIso8601String(),
'created_at': createdAt.toIso8601String(),
};
}
bool get topicListComplete => topicIds.length == loadedTopics.length;
Map<String, CourseTopicModel> get loadedTopics => CourseTopicRepo.getCached(
TranslateTopicRequest(
topicIds: topicIds,
l1: MatrixState.pangeaController.userController.userL1Code!,
),
).topics;
Set<String> get activityIDs =>
loadedTopics.values.expand((topic) => topic.activityIds).toSet();
Future<Map<String, CourseTopicModel>> fetchTopics() async {
final resp = await CourseTopicRepo.get(
TranslateTopicRequest(
topicIds: topicIds,
l1: MatrixState.pangeaController.userController.userL1Code!,
),
uuid,
);
return resp.topics;
}
bool get mediaListComplete =>
mediaIds.length == loadedMediaUrls.mediaUrls.length;
CourseMediaResponse get loadedMediaUrls => CourseMediaRepo.getCached(
CourseInfoBatchRequest(
batchId: uuid,
uuids: mediaIds,
),
);
Future<CourseMediaResponse> fetchMediaUrls() => CourseMediaRepo.get(
CourseInfoBatchRequest(
batchId: uuid,
uuids: mediaIds,
),
);
String? get imageUrl => loadedMediaUrls.mediaUrls.isEmpty
? loadedTopics.values
.lastWhereOrNull((topic) => topic.imageUrl != null)
?.imageUrl
: "${Environment.cmsApi}${loadedMediaUrls.mediaUrls.first.url}";
}