prasule/lib/api/walletmanager.dart

40 lines
1.2 KiB
Dart
Raw Normal View History

2023-09-08 11:50:21 +02:00
import 'dart:convert';
import 'dart:io';
import 'package:path_provider/path_provider.dart';
import 'package:prasule/api/wallet.dart';
class WalletManager {
static Future<List<String>> listWallets() async {
var path =
Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
if (!path.existsSync()) {
path.createSync();
}
return path.listSync().map((e) => e.path.split("/").last).toList();
}
static Future<Wallet> loadWallet(String name) async {
var path =
Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
var wallet = File("${path.path}/$name");
if (!path.existsSync()) {
path.createSync();
}
if (!wallet.existsSync()) {
return Future.error("Wallet does not exist");
}
return Wallet.fromJson(jsonDecode(wallet.readAsStringSync()));
}
static Future<void> saveWallet(Wallet w) async {
var path =
Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
var wallet = File("${path.path}/${w.name}");
if (!path.existsSync()) {
path.createSync();
}
wallet.writeAsStringSync(jsonEncode(w.toJson()));
}
}