Line data    Source code

       1             : // Copyright 2023 The terCAD team. All rights reserved.
       2             : // Use of this source code is governed by a CC BY-NC-ND 4.0 license that can be found in the LICENSE file.
       3             : 
       4             : import 'package:app_finance/_classes/controller/encryption_handler.dart';
       5             : import 'package:app_finance/_classes/storage/transaction_log.dart';
       6             : 
       7             : abstract class AbstractProtocol {
       8           0 :   Future<List<int>> exportTransactions() async {
       9           0 :     List<int> codeUnits = [];
      10           0 :     await for (String line in TransactionLog.read()) {
      11           0 :       codeUnits.addAll(line.codeUnits);
      12           0 :       codeUnits.addAll('\n'.codeUnits);
      13             :     }
      14             :     return codeUnits;
      15             :   }
      16             : 
      17           0 :   void clearTransactions() => TransactionLog.clear();
      18             : 
      19           0 :   void importTransactions(List<int> codeUnits, [bool isEncrypted = true]) {
      20           0 :     List<String> lines = String.fromCharCodes(codeUnits).split('\n');
      21           0 :     for (String line in lines) {
      22           0 :       if (line.trim() == '') {
      23             :         continue;
      24             :       }
      25             :       try {
      26             :         if (isEncrypted) {
      27           0 :           line = EncryptionHandler.decrypt(line);
      28             :         }
      29           0 :         TransactionLog.save(line);
      30             :       } catch (e) {
      31             :         // ... ignore failures
      32             :       }
      33             :     }
      34             :   }
      35             : }