forked from firka/student-legacy
60 lines
2.1 KiB
Dart
60 lines
2.1 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/note.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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class NoteProvider with ChangeNotifier {
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late List<Note> _notes;
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late BuildContext _context;
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List<Note> get notes => _notes;
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NoteProvider({
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List<Note> initialNotes = const [],
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required BuildContext context,
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}) {
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_notes = List.castFrom(initialNotes);
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_context = context;
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if (_notes.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 notes from the database
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if (userId != null) {
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var dbNotes = await Provider.of<DatabaseProvider>(_context, listen: false).userQuery.getNotes(userId: userId);
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_notes = dbNotes;
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notifyListeners();
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}
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}
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// Fetches Notes 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 Notes for User null";
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String iss = user.instituteCode;
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List? notesJson = await Provider.of<KretaClient>(_context, listen: false).getAPI(KretaAPI.notes(iss));
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if (notesJson == null) throw "Cannot fetch Notes for User ${user.id}";
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List<Note> notes = notesJson.map((e) => Note.fromJson(e)).toList();
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if (notes.isNotEmpty || _notes.isNotEmpty) await store(notes);
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}
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// Stores Notes in the database
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Future<void> store(List<Note> notes) async {
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User? user = Provider.of<UserProvider>(_context, listen: false).user;
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if (user == null) throw "Cannot store Notes for User null";
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String userId = user.id;
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await Provider.of<DatabaseProvider>(_context, listen: false).userStore.storeNotes(notes, userId: userId);
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_notes = notes;
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notifyListeners();
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}
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}
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