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              : }