freezer/lib/api/cache.dart

81 lines
2.2 KiB
Dart

import 'package:freezer/api/deezer.dart';
import 'package:freezer/api/definitions.dart';
import 'package:freezer/ui/details_screens.dart';
import 'package:freezer/ui/library.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<String> libraryTracks = [];
//Track ID of logged track, to prevent duplicates
@JsonKey(ignore: true)
String loggedTrackId;
@JsonKey(defaultValue: [])
List<Track> history = [];
//Cache playlist sort type {id: sort}
@JsonKey(defaultValue: {})
Map<String, SortType> playlistSort;
//Sort
@JsonKey(defaultValue: AlbumSortType.DEFAULT)
AlbumSortType albumSort;
@JsonKey(defaultValue: ArtistSortType.DEFAULT)
ArtistSortType artistSort;
@JsonKey(defaultValue: PlaylistSortType.DEFAULT)
PlaylistSortType libraryPlaylistSort;
@JsonKey(defaultValue: SortType.DEFAULT)
SortType trackSort;
//If download threads warning was shown
@JsonKey(defaultValue: false)
bool threadsWarning;
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<String> getPath() async {
return p.join((await getApplicationDocumentsDirectory()).path, 'metacache.json');
}
static Future<Cache> 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<String, dynamic> json) => _$CacheFromJson(json);
Map<String, dynamic> toJson() => _$CacheToJson(this);
}