public async Task <WithdrawalResult> WithDraw(CreateWithdrawal withdrawalInfo)
{
_logger.LogInformation($"{nameof(AccountService)}.{nameof(WithDraw)} - {withdrawalInfo}");
Account account = await _unitOfWork.Accounts.FindByIdAsync(withdrawalInfo.AccountId);
if (account == null)
{
return(new WithdrawalResult(withdrawalInfo.AccountId, AccountStatus.Error, "Account id not be found", Currency.None, Amount.FromInput(withdrawalInfo.Amount.Value), Amount.None, Amount.None));
}
if (canWithDraw() == false)
{
return(new WithdrawalResult(withdrawalInfo.AccountId, AccountStatus.Error, "You've exceeded withdrawal limit or amount is greater than balance", Currency.None, Amount.FromInput(withdrawalInfo.Amount.Value), Amount.FromInput(account.Balance), Amount.FromInput(account.Balance)));
}
decimal oldBalance = account.Balance;
decimal newBalance = account.Balance - withdrawalInfo.Amount.Value;
account.Balance = newBalance;
await _unitOfWork.Accounts.UpdateAsync(account);
Transaction transaction = new Transaction {
AccountId = withdrawalInfo.AccountId, Type = TransactionType.Withdrawal.ToString(), Amount = withdrawalInfo.Amount.Value, Balance = account.Balance, Timestamp = DateTime.Now
};
await _unitOfWork.Transactions.AddAsync(transaction);
await _unitOfWork.Complete();
return(new WithdrawalResult(withdrawalInfo.AccountId, AccountStatus.Success, AccountStatus.Success.ToString(), Currency.FromInput(Currencies.GBP), Amount.FromInput(withdrawalInfo.Amount.Value), Amount.FromInput(oldBalance), Amount.FromInput(account.Balance)));
bool canWithDraw()
{
return(withdrawalInfo.Amount.Value <= account.Balance && account.Balance > 0);
}
}
public async Task <IActionResult> Withdraw(CreateWithdrawalRequest request, CancellationToken token)
{
_logger.LogInformation($"{nameof(AccountController)}.{nameof(Withdraw)} - {request}");
if (!ModelState.IsValid)
{
return(BadRequest($"Problem with CreateWithdrawalRequest"));
}
CreateWithdrawal withdraw = new CreateWithdrawal(request.AccountId, Amount.FromInput(request.Amount));
WithdrawalResult withdrawalResult = await _accountService.WithDraw(withdraw);
if (withdrawalResult.Status == AccountStatus.Error)
{
return(BadRequest($"{withdrawalResult.Message}"));
}
AccountWithdrawalResponse response = new AccountWithdrawalResponse(withdrawalResult.AccountId,
withdrawalResult.Amount.Value, withdrawalResult.OldBalance.Value, withdrawalResult.NewBalance.Value);
return(Ok(response));
}
