import 'package:freezer/api/deezer.dart'; import 'package:freezer/api/definitions.dart'; import 'package:freezer/ui/details_screens.dart'; import 'package:json_annotation/json_annotation.dart'; import 'package:path_provider/path_provider.dart'; import 'package:path/path.dart' as p; import 'dart:io'; import 'dart:convert'; part 'cache.g.dart'; Cache cache; //Cache for miscellaneous things @JsonSerializable() class Cache { //ID's of tracks that are in library List libraryTracks = []; //Track ID of logged track, to prevent duplicates @JsonKey(ignore: true) String loggedTrackId; @JsonKey(defaultValue: []) List history = []; //Cache playlist sort type {id: sort} @JsonKey(defaultValue: {}) Map playlistSort; Cache({this.libraryTracks}); //Wrapper to test if track is favorite against cache bool checkTrackFavorite(Track t) { if (t.favorite != null && t.favorite) return true; if (libraryTracks == null || libraryTracks.length == 0) return false; return libraryTracks.contains(t.id); } //Save, load static Future getPath() async { return p.join((await getApplicationDocumentsDirectory()).path, 'metacache.json'); } static Future load() async { File file = File(await Cache.getPath()); //Doesn't exist, create new if (!(await file.exists())) { Cache c = Cache(); await c.save(); return c; } return Cache.fromJson(jsonDecode(await file.readAsString())); } Future save() async { File file = File(await Cache.getPath()); file.writeAsString(jsonEncode(this.toJson())); } //JSON factory Cache.fromJson(Map json) => _$CacheFromJson(json); Map toJson() => _$CacheToJson(this); }