67 lines
2 KiB
Dart
67 lines
2 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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import 'package:prasule/main.dart';
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/// Used for [Wallet]-managing operations
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class WalletManager {
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/// Returns a list of all [Wallet]s
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static Future<List<Wallet>> listWallets() async {
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final path =
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Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
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if (!path.existsSync()) {
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path.createSync();
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}
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final wallets = <Wallet>[];
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for (final w
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in path.listSync().map((e) => e.path.split("/").last).toList()) {
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try {
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wallets.add(await loadWallet(w));
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} catch (e) {
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logger.e(e);
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// TODO: do something with unreadable wallets
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}
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}
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logger.i(wallets.length);
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return wallets;
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}
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/// Loads and returns a single [Wallet] by name
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static Future<Wallet> loadWallet(String name) async {
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final path =
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Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
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final 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(
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jsonDecode(wallet.readAsStringSync()) as Map<String, dynamic>,
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);
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}
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/// Converts [Wallet] to JSON and saves it to AppData
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static Future<bool> saveWallet(Wallet w) async {
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final path =
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Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
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final wallet = File("${path.path}/${w.name}");
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if (!path.existsSync()) {
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path.createSync();
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}
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// if (!wallet.existsSync()) return false;
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wallet.writeAsStringSync(jsonEncode(w.toJson()));
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return true;
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}
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/// Deletes the corresponding [Wallet] file
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static Future<void> deleteWallet(Wallet w) async {
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final path =
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Directory("${(await getApplicationDocumentsDirectory()).path}/wallets");
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File("${path.path}/${w.name}").deleteSync();
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}
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}
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