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dragon_ledger/lib/Tasks/generate_transactions_task.dart

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Dart

import 'package:drift/drift.dart';
import 'package:logger/logger.dart';
import '../Entities/drift_database.dart';
import '../Entities/time_frame_enum.dart';
import '../Repositories/recurring_transacation_repository.dart';
import '../Repositories/transaction_repository.dart';
import 'task.dart';
/// Generiert neue Transaktionen
/// anhand der erstellten wiederkehrenden Transaktionen
class GenerateTransactionsTask extends Task {
final TransactionRepository _transactionRepository = TransactionRepository();
final RecurringTransactionRepository _recurringTransactionRepository =
RecurringTransactionRepository();
final Logger _logger = Logger();
@override
Future<bool> execute() async {
_logger.i('Generating Transactions of recurring Transactions...');
final List<RecurringTransaction> recurringTransactions =
await _recurringTransactionRepository.findBy();
for (final recurringTransaction in recurringTransactions) {
_logger.i('Generating Transactions of $recurringTransaction...');
final List<Transaction> transactions = await _transactionRepository
.findBy(
recurringTransaction: recurringTransaction,
orderBy: 'dateDesc',
);
final Transaction? transaction = transactions.firstOrNull;
final DateTime date = (transaction != null)
? transaction.date!
: recurringTransaction.startDate!;
final DateTime nextTransactionDate;
switch (recurringTransaction.timeFrame) {
case TimeFrameEnum.daily:
nextTransactionDate = date.add(const Duration(days: 1));
case TimeFrameEnum.weekly:
nextTransactionDate = date.add(const Duration(days: 7));
case TimeFrameEnum.monthly:
nextTransactionDate = DateTime(date.year, date.month + 1, date.day);
case TimeFrameEnum.yearly:
nextTransactionDate = DateTime(date.year + 1, date.month, date.day);
}
if (DateTime.now().compareTo(nextTransactionDate) <= 0) {
// TODO: Nicht mit NOW, sondern Ende dieses Monats Vergleichen
final TransactionsCompanion transaction = TransactionsCompanion(
name: Value(recurringTransaction.name),
date: Value(nextTransactionDate),
amount: Value(recurringTransaction.amount),
checked: const Value(false),
accountId: Value(recurringTransaction.accountId),
recurringTransactionId: Value(recurringTransaction.id),
);
_logger.i(
'Adding transaction ${transaction.name} on ${transaction.date}',
);
await _transactionRepository.add(transaction);
}
}
_logger.i('Generating transactions completed.');
return true;
}
}