53 lines
1.5 KiB
Dart
53 lines
1.5 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:path_provider/path_provider.dart';
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import 'package:prasule/api/wallet.dart';
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class WalletManager {
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static Future<List<Wallet>> listWallets() async {
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var path =
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Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
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if (!path.existsSync()) {
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path.createSync();
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}
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var wallets = <Wallet>[];
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for (var w in path.listSync().map((e) => e.path.split("/").last).toList()) {
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wallets.add(await loadWallet(w));
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}
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return wallets;
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}
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static Future<Wallet> loadWallet(String name) async {
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var path =
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Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
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var wallet = File("${path.path}/$name");
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if (!path.existsSync()) {
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path.createSync();
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}
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if (!wallet.existsSync()) {
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return Future.error("Wallet does not exist");
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}
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return Wallet.fromJson(jsonDecode(wallet.readAsStringSync()));
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}
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static Future<bool> saveWallet(Wallet w) async {
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var path =
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Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
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var wallet = File("${path.path}/${w.name}");
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if (!path.existsSync()) {
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path.createSync();
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}
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if (wallet.existsSync()) return false;
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wallet.writeAsStringSync(jsonEncode(w.toJson()));
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return true;
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}
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static Future<void> deleteWallet(Wallet w) async {
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var path =
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Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
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var wallet = File("${path.path}/${w.name}");
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wallet.deleteSync();
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}
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}
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