public void CreateStart(int userId) { var dbTransaction = new DBTransaction() { SenderUserId = null, ReceiverUserId = userId, Amount = 500, CreatedAt = DateTime.Now }; _transactionRepository.Create(dbTransaction); }
private decimal GetBalanceAfterApplyTransaction(int userId, DBTransaction dbTransaction) { var positiveTransaction = _transactionRepository .Find(transaction => (transaction.CreatedAt < dbTransaction.CreatedAt || transaction.CreatedAt == dbTransaction.CreatedAt && transaction.Id <= dbTransaction.Id) && transaction.ReceiverUserId == userId); var negativeTransaction = _transactionRepository .Find(transaction => (transaction.CreatedAt < dbTransaction.CreatedAt || transaction.CreatedAt == dbTransaction.CreatedAt && transaction.Id <= dbTransaction.Id) && transaction.SenderUserId == userId); return(positiveTransaction.Sum(transaction => transaction.Amount) - negativeTransaction.Sum(transaction => transaction.Amount)); }
private Transaction Map(DBTransaction dbTransaction) { return(AutoMapperConfiguration.Mapper.Map(dbTransaction, new Transaction())); }