forked from firka/student-legacy
74 lines
2.8 KiB
Dart
74 lines
2.8 KiB
Dart
import 'package:filcnaplo/api/providers/user_provider.dart';
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import 'package:filcnaplo/api/providers/database_provider.dart';
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import 'package:filcnaplo/models/user.dart';
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import 'package:filcnaplo_kreta_api/client/api.dart';
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import 'package:filcnaplo_kreta_api/client/client.dart';
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import 'package:filcnaplo_kreta_api/models/absence.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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class AbsenceProvider with ChangeNotifier {
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late List<Absence> _absences;
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late BuildContext _context;
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List<Absence> get absences => _absences;
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AbsenceProvider({
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List<Absence> initialAbsences = const [],
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required BuildContext context,
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}) {
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_absences = List.castFrom(initialAbsences);
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_context = context;
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if (_absences.isEmpty) restore();
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}
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Future<void> restore() async {
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String? userId = Provider.of<UserProvider>(_context, listen: false).id;
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// Load absences from the database
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if (userId != null) {
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var dbAbsences = await Provider.of<DatabaseProvider>(_context, listen: false).userQuery.getAbsences(userId: userId);
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_absences = dbAbsences;
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await convertBySettings();
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}
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}
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// for renamed subjects
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Future<void> convertBySettings() async {
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final _database = Provider.of<DatabaseProvider>(_context, listen: false);
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Map<String, String> renamedSubjects = (await _database.query.getSettings(_database)).renamedSubjectsEnabled
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? await _database.userQuery.renamedSubjects(userId: Provider.of<UserProvider>(_context, listen: false).user!.id)
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: {};
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for (Absence absence in _absences) {
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absence.subject.renamedTo = renamedSubjects.isNotEmpty ? renamedSubjects[absence.subject.id] : null;
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}
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notifyListeners();
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}
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// Fetches Absences from the Kreta API then stores them in the database
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Future<void> fetch() async {
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User? user = Provider.of<UserProvider>(_context, listen: false).user;
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if (user == null) throw "Cannot fetch Absences for User null";
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String iss = user.instituteCode;
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List? absencesJson = await Provider.of<KretaClient>(_context, listen: false).getAPI(KretaAPI.absences(iss));
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if (absencesJson == null) throw "Cannot fetch Absences for User ${user.id}";
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List<Absence> absences = absencesJson.map((e) => Absence.fromJson(e)).toList();
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if (absences.isNotEmpty || _absences.isNotEmpty) await store(absences);
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}
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// Stores Absences in the database
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Future<void> store(List<Absence> absences) async {
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User? user = Provider.of<UserProvider>(_context, listen: false).user;
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if (user == null) throw "Cannot store Absences for User null";
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String userId = user.id;
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await Provider.of<DatabaseProvider>(_context, listen: false).userStore.storeAbsences(absences, userId: userId);
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_absences = absences;
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await convertBySettings();
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}
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}
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