public List <AccountDetailDTO> GetUserAccounts([FromBody] String userId) { AccountDetailDTO accountDetail; List <AccountDetailDTO> accountDetailList = new List <AccountDetailDTO>(); List <BankAccount> accountsList = _accountDBAccess.FindByUser(userId); foreach (BankAccount account in accountsList) { List <Transaction> accountTransactions = _transactionDBAccess.FindByAccount(account.BankAccountId); decimal balance = _businessService.GetAccountBalance(accountTransactions, account.InitialAmount); accountDetail = new AccountDetailDTO { AccountId = account.BankAccountId, Name = account.Name, InitialAmount = account.InitialAmount, Balance = balance, LastTransactionDate = accountTransactions.Count != 0 ? DateConverter.DateTimeToLong(accountTransactions.Last().TransactionDate) : 0, UserId = account.UserId }; accountDetailList.Add(accountDetail); } return(accountDetailList); }