21 lines
529 B
Dart
21 lines
529 B
Dart
import '../entities/transaction.dart';
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abstract class TransactionRepository {
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Future<SaleTransaction> save(SaleTransaction transaction);
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Future<List<SaleTransaction>> history({int limit = 50});
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Future<SaleTransaction?> findByInvoice(String invoiceNumber);
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/// Next invoice sequence for the current month.
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Future<int> nextInvoiceSequence();
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Future<void> park(ParkedBill bill);
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Future<List<ParkedBill>> parkedBills();
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Future<void> removeParked(String id);
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Future<double> salesTotalForDay(DateTime day);
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}
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