public async Task <IHttpActionResult> Withdraw(int accountNumber, decimal amount, string currency)
{
var result = new BankResponseViewModel()
{
AccountNumber = accountNumber,
Successful = false
};
var account = await db.Accounts.Where(a => a.AccountNumber == accountNumber).FirstOrDefaultAsync();
var defaultCurrency = await db.Currencies.Where(c => c.CurrencyCode == "USD").Select(r => r.CurrencyCode).FirstOrDefaultAsync();
var accountCurrency = account.Currency.CurrencyCode;
var targetCurrency = currency;
var balance = account.Currency.CurrencyCode == defaultCurrency ? account.Balance :
ConvertToUSD(account.Currency.CurrencyCode, account.Balance);
var targetAmount = currency == defaultCurrency ? amount :
ConvertToUSD(currency, amount);
if (account == null)
{
result.Message = "Account not found.";
}
else if (amount <= 0)
{
result.Message = "Invalid ammount.";
}
else if (balance < targetAmount)
{
result.Message = "Insufficient balance.";
}
else
{
try
{
balance -= targetAmount;
account.Balance = account.Currency.CurrencyCode == defaultCurrency ? balance :
ConvertBackFromUSD(account.Currency.CurrencyCode, balance);
db.SaveChanges();
result.Successful = true;
result.Balance = account.Balance;
result.Currency = account.Currency.CurrencyCode;
}
catch (Exception ex)
{
result.Message = ex.Message;
}
}
return(Ok(result));
}
public async Task <IHttpActionResult> Balance(int accountNumber)
{
var account = await db.Accounts.Where(a => a.AccountNumber == accountNumber).FirstOrDefaultAsync();
var result = new BankResponseViewModel()
{
AccountNumber = accountNumber,
Successful = false
};
if (account == null)
{
result.Message = "Account not found.";
}
else
{
result.Successful = true;
result.Balance = account.Balance;
result.Currency = account.Currency.CurrencyCode;
}
return(Ok(result));
}
